<title>cc65 function reference
<author><url url="mailto:uz@cc65.org" name="Ullrich von Bassewitz">,<newline>
<url url="mailto:greg.king5@verizon.net" name="Greg King">
-<date>2017-09-02
<abstract>
cc65 is a C compiler for 6502 based systems. This function reference describes
</itemize>
+<sect1><tt/accelerator.h/<label id="accelerator.h"><p>
+
+<itemize>
+<item><ref id="detect_c128" name="detect_c128">
+<item><ref id="detect_c64dtv" name="detect_c64dtv">
+<item><ref id="detect_c65" name="detect_c65">
+<item><ref id="detect_chameleon" name="detect_chameleon">
+<item><ref id="detect_scpu" name="detect_scpu">
+<item><ref id="detect_turbomaster" name="detect_turbomaster">
+<item><ref id="get_c128_speed" name="get_c128_speed">
+<item><ref id="get_c64dtv_speed" name="get_c64dtv_speed">
+<item><ref id="get_c65_speed" name="get_c65_speed">
+<item><ref id="get_chameleon_speed" name="get_chameleon_speed">
+<item><ref id="get_scpu_speed" name="get_scpu_speed">
+<item><ref id="get_turbomaster_speed" name="get_turbomaster_speed">
+<item><ref id="set_c128_speed" name="set_c128_speed">
+<item><ref id="set_c64dtv_speed" name="set_c64dtv_speed">
+<item><ref id="set_c65_speed" name="set_c65_speed">
+<item><ref id="set_chameleon_speed" name="set_chameleon_speed">
+<item><ref id="set_scpu_speed" name="set_scpu_speed">
+<item><ref id="set_turbomaster_speed" name="set_turbomaster_speed">
+</itemize>
+
+
<sect1><tt/apple2.h/<label id="apple2.h"><p>
<itemize>
<item>_dos_type
<item><ref id="get_ostype" name="get_ostype">
<item>rebootafterexit
-<item>textframe
-<item>textframexy
<item><ref id="videomode" name="videomode">
</itemize>
<sect1><tt/atmos.h/<label id="atmos.h"><p>
<itemize>
+<item><ref id="atmos_explode" name="atmos_explode">
<item><ref id="atmos_load" name="atmos_load">
+<item><ref id="atmos_ping" name="atmos_ping">
<item><ref id="atmos_save" name="atmos_save">
-<!-- <item><ref id="atmos_explode" name="atmos_explode"> -->
-<!-- <item><ref id="atmos_ping" name="atmos_ping"> -->
-<!-- <item><ref id="atmos_shoot" name="atmos_shoot"> -->
-<!-- <item><ref id="atmos_tick" name="atmos_tick"> -->
-<!-- <item><ref id="atmos_tock" name="atmos_tock"> -->
-<!-- <item><ref id="atmos_zap" name="atmos_zap"> -->
+<item><ref id="atmos_shoot" name="atmos_shoot">
+<item><ref id="atmos_tick" name="atmos_tick">
+<item><ref id="atmos_tock" name="atmos_tock">
+<item><ref id="atmos_zap" name="atmos_zap">
</itemize>
-(incomplete)
-
<sect1><tt/c128.h/<label id="c128.h"><p>
<itemize>
<item><ref id="c64mode" name="c64mode">
<item><ref id="fast" name="fast">
+<item><ref id="isfast" name="isfast">
<item><ref id="slow" name="slow">
<item><ref id="toggle_videomode" name="toggle_videomode">
<item><ref id="videomode" name="videomode">
<sect1><tt/c16.h/<label id="c16.h"><p>
+<itemize>
+<item><ref id="fast" name="fast">
+<item><ref id="isfast" name="isfast">
+<item><ref id="slow" name="slow">
+</itemize>
+
(incomplete)
<item><ref id="cbm_k_readst" name="cbm_k_readst">
<item><ref id="cbm_k_save" name="cbm_k_save">
<item><ref id="cbm_k_scnkey" name="cbm_k_scnkey">
+<item><ref id="cbm_k_second" name="cbm_k_second">
<item><ref id="cbm_k_setlfs" name="cbm_k_setlfs">
<item><ref id="cbm_k_setnam" name="cbm_k_setnam">
<item><ref id="cbm_k_talk" name="cbm_k_talk">
+<item><ref id="cbm_k_tksa" name="cbm_k_tksa">
<item><ref id="cbm_k_udtim" name="cbm_k_udtim">
<item><ref id="cbm_k_unlsn" name="cbm_k_unlsn">
+<item><ref id="cbm_k_untlk" name="cbm_k_untlk">
<!-- <item><ref id="cbm_load" name="cbm_load"> -->
<!-- <item><ref id="cbm_open" name="cbm_open"> -->
<!-- <item><ref id="cbm_opendir" name="cbm_opendir"> -->
<!-- <item><ref id="cbm_save" name="cbm_save"> -->
<!-- <item><ref id="cbm_write" name="cbm_write"> -->
<!-- <item><ref id="get_tv" name="get_tv"> -->
+<item><ref id="waitvsync" name="waitvsync">
<item><ref id="kbrepeat" name="kbrepeat">
</itemize>
<item><ref id="chline" name="chline">
<item><ref id="chlinexy" name="chlinexy">
<item><ref id="clrscr" name="clrscr">
+<item><ref id="cpeekc" name="cpeekc">
+<item><ref id="cpeekcolor" name="cpeekcolor">
+<item><ref id="cpeekrevers" name="cpeekrevers">
+<item><ref id="cpeeks" name="cpeeks">
<item><ref id="cprintf" name="cprintf">
<item><ref id="cputc" name="cputc">
<item><ref id="cputcxy" name="cputcxy">
(incomplete)
+<sect1><tt/device.h/<label id="device.h"><p>
+
+<itemize>
+<item><ref id="getcurrentdevice" name="getcurrentdevice">
+<item><ref id="getdevicedir" name="getdevicedir">
+<item><ref id="getfirstdevice" name="getfirstdevice">
+<item><ref id="getnextdevice" name="getnextdevice">
+</itemize>
+
+
<sect1><tt/dio.h/<label id="dio.h"><p>
<url url="dio.html" name="Low-level disk I/O API">.
<item><ref id="telldir" name="telldir">
</itemize>
-(incomplete)
-
<sect1><tt/em.h/<label id="em.h"><p>
+This header file contains definitions for extended memory access,
+see also <tt>testcode/lib/em-test.c</tt> and <tt>samples/multidemo.c</tt>.
+
<itemize>
<item><ref id="em_commit" name="em_commit">
<item><ref id="em_copyfrom" name="em_copyfrom">
<sect1><tt/gamate.h/<label id="gamate.h"><p>
-<!-- <itemize> -->
+<itemize>
<!-- <item><ref id="get_tv" name="get_tv"> -->
-<!-- <item><ref id="waitvblank" name="waitvblank"> -->
-<!-- </itemize> -->
+<item><ref id="waitvsync" name="waitvsync">
+</itemize>
(incomplete)
<sect1><tt/geos.h/<label id="geos.h"><p>
-(incomplete)
+<url url="geos.html" name="GEOS API">.
<sect1><tt/joystick.h/<label id="joystick.h"><p>
<sect1><tt/nes.h/<label id="nes.h"><p>
-<!-- <itemize> -->
+<itemize>
<!-- <item><ref id="get_tv" name="get_tv"> -->
-<!-- <item><ref id="waitvsync" name="waitvsync"> -->
-<!-- </itemize> -->
+<item><ref id="waitvsync" name="waitvsync">
+</itemize>
(incomplete)
<sect1><tt/pce.h/<label id="pce.h"><p>
-<!-- <itemize> -->
+<itemize>
<!-- <item><ref id="get_tv" name="get_tv"> -->
-<!-- <item><ref id="waitvblank" name="waitvblank"> -->
-<!-- </itemize> -->
+<item><ref id="waitvsync" name="waitvsync">
+</itemize>
(incomplete)
<sect1><tt/plus4.h/<label id="plus4.h"><p>
+<itemize>
+<item><ref id="fast" name="fast">
+<item><ref id="isfast" name="isfast">
+<item><ref id="slow" name="slow">
+</itemize>
+
(incomplete)
<sect1><tt/serial.h/<label id="serial.h"><p>
-The <tt/serial.h/ header file contains definitions for initializing serial
-communication.
+This header file contains definitions for initializing serial
+communication, see also <tt>testcode/lib/ser-test.c</tt>.
<itemize>
<item><ref id="ser_close" name="ser_close">
<item><ref id="signal" name="signal">
</itemize>
+<sect1><tt/specialmath.h/<label id="specialmath.h"><p>
+
+<itemize>
+<item><ref id="_mul20" name="_mul20">
+<item><ref id="_mul40" name="_mul40">
+</itemize>
<sect1><tt/stdarg.h/<label id="stdarg.h"><p>
<item><ref id="strlen" name="strlen">
<item><ref id="strlower" name="strlower">
<item><ref id="strlwr" name="strlwr">
+<item><ref id="strncasecmp" name="strncasecmp">
<item><ref id="strncat" name="strncat">
<item><ref id="strncmp" name="strncmp">
<item><ref id="strncpy" name="strncpy">
+<item><ref id="strnicmp" name="strnicmp">
+<item><ref id="strpbrk" name="strpbrk">
<item><ref id="strqtok" name="strqtok">
<item><ref id="strrchr" name="strrchr">
<item><ref id="strspn" name="strspn">
<item><ref id="strupr" name="strupr">
</itemize>
+
+<sect1><tt/telestrat.h/<label id="telestrat.h"><p>
+
+<itemize>
+<item><ref id="atmos_explode" name="explode">
+<item><ref id="atmos_ping" name="ping">
+<item><ref id="atmos_shoot" name="shoot">
+<item><ref id="atmos_zap" name="zap">
+<!-- <item><ref id="kbdclick1" name="kbdclick1"> -->
+<!-- <item><ref id="oups" name="oups"> -->
+</itemize>
+
(incomplete)
<sect1><tt/tgi.h/<label id="tgi.h"><p>
-<itemize>
-<item><ref id="tgi_arc" name="tgi_arc">
-<item><ref id="tgi_bar" name="tgi_bar">
-<item><ref id="tgi_circle" name="tgi_circle">
-<item><ref id="tgi_clear" name="tgi_clear">
-<item><ref id="tgi_done" name="tgi_done">
-<item><ref id="tgi_ellipse" name="tgi_ellipse">
-<item><ref id="tgi_free_vectorfont" name="tgi_free_vectorfont">
-<item><ref id="tgi_getaspectratio" name="tgi_getaspectratio">
-<item><ref id="tgi_getcolor" name="tgi_getcolor">
-<item><ref id="tgi_getcolorcount" name="tgi_getcolorcount">
-<item><ref id="tgi_getdefpalette" name="tgi_getdefpalette">
-<item><ref id="tgi_geterror" name="tgi_geterror">
-<item><ref id="tgi_geterrormsg" name="tgi_geterrormsg">
-<item><ref id="tgi_getmaxcolor" name="tgi_getmaxcolor">
-<item><ref id="tgi_getmaxx" name="tgi_getmaxx">
-<item><ref id="tgi_getmaxy" name="tgi_getmaxy">
-<item><ref id="tgi_getpagecount" name="tgi_getpagecount">
-<item><ref id="tgi_getpalette" name="tgi_getpalette">
-<item><ref id="tgi_getpixel" name="tgi_getpixel">
-<item><ref id="tgi_gettextheight" name="tgi_gettextheight">
-<item><ref id="tgi_gettextwidth" name="tgi_gettextwidth">
-<item><ref id="tgi_getxres" name="tgi_getxres">
-<item><ref id="tgi_getyres" name="tgi_getyres">
-<item><ref id="tgi_gotoxy" name="tgi_gotoxy">
-<item><ref id="tgi_init" name="tgi_init">
-<item><ref id="tgi_install" name="tgi_install">
-<item><ref id="tgi_install_vectorfont" name="tgi_install_vectorfont">
-<item><ref id="tgi_ioctl" name="tgi_ioctl">
-<item><ref id="tgi_line" name="tgi_line">
-<item><ref id="tgi_lineto" name="tgi_lineto">
-<item><ref id="tgi_load_driver" name="tgi_load_driver">
-<item><ref id="tgi_load_vectorfont" name="tgi_load_vectorfont">
-<item><ref id="tgi_outtext" name="tgi_outtext">
-<item><ref id="tgi_outtextxy" name="tgi_outtextxy">
-<item><ref id="tgi_setaspectratio" name="tgi_setaspectratio">
-<item><ref id="tgi_setcolor" name="tgi_setcolor">
-<item><ref id="tgi_setdrawpage" name="tgi_setdrawpage">
-<item><ref id="tgi_setpalette" name="tgi_setpalette">
-<item><ref id="tgi_setpixel" name="tgi_setpixel">
-<item><ref id="tgi_setviewpage" name="tgi_setviewpage">
-<item><ref id="tgi_settextscale" name="tgi_settextscale">
-<item><ref id="tgi_settextstyle" name="tgi_settextstyle">
-<item><ref id="tgi_uninstall" name="tgi_uninstall">
-<item><ref id="tgi_unload" name="tgi_unload">
-</itemize>
+<url url="tgi.html" name="Tiny Graphics Interface">.
+
<sect1><tt/time.h/<label id="time.h"><p>
<itemize>
-<!-- <item><ref id="_systime" name="_systime"> -->
<!-- <item><ref id="asctime" name="asctime"> -->
<item><ref id="clock" name="clock">
+<item><ref id="clock_getres" name="clock_getres">
+<item><ref id="clock_gettime" name="clock_gettime">
+<item><ref id="clock_settime" name="clock_settime">
<!-- <item><ref id="ctime" name="ctime"> -->
<!-- <item><ref id="gmtime" name="gmtime"> -->
<!-- <item><ref id="localtime" name="localtime"> -->
<itemize>
<!-- <item><ref id="chdir" name="chdir"> -->
<item><ref id="exec" name="exec">
-<!-- <item><ref id="getcwd" name="getcwd"> -->
+<item><ref id="getcwd" name="getcwd">
<item><ref id="getopt" name="getopt">
<!-- <item><ref id="lseek" name="lseek"> -->
<!-- <item><ref id="mkdir" name="mkdir"> -->
</descrip>
</quote>
+<sect1>_mul20<label id="_mul20"><p>
+
+<quote>
+<descrip>
+<tag/Function/Multiplies argument by 20.
+<tag/Header/<tt/<ref id="specialmath.h" name="specialmath.h">/
+<tag/Declaration/<tt/unsigned int __fastcall__ _mul20(unsigned char value);/
+<tag/Description/Speed optimized function to multiply an 8 bit unsigned value by 20 to get a 16 bit result.
+<tag/Availability/cc65
+</descrip>
+</quote>
+
+<sect1>_mul40<label id="_mul40"><p>
+
+<quote>
+<descrip>
+<tag/Function/Multiplies argument by 40.
+<tag/Header/<tt/<ref id="specialmath.h" name="specialmath.h">/
+<tag/Declaration/<tt/unsigned int __fastcall__ _mul40(unsigned char value);/
+<tag/Description/Speed optimized function to multiply an 8 bit unsigned value by 40 to get a 16 bit result.
+<tag/Availability/cc65
+</descrip>
+</quote>
<sect1>_poserror<label id="_poserror"><p>
</quote>
+<sect1>atmos_explode<label id="atmos_explode"><p>
+
+<quote>
+<descrip>
+<tag/Function/Bomb sound effect.
+<tag/Header/<tt/<ref id="atmos.h" name="atmos.h">/
+<tag/Declaration/<tt/void __fastcall__ atmos_explode(void);/
+<tag/Description/<tt/atmos_explode/ plays the BASIC sound.
+<tag/Notes/<itemize>
+<item>The function is available only as a fastcall function; so, it may be used
+only in the presence of a prototype.
+</itemize>
+<tag/Availability/cc65
+<tag/See also/
+<ref id="atmos_ping" name="atmos_ping">,
+<ref id="atmos_shoot" name="atmos_shoot">,
+<ref id="atmos_tick" name="atmos_tick">,
+<ref id="atmos_tock" name="atmos_tock">,
+<ref id="atmos_zap" name="atmos_zap">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
<sect1>atmos_load<label id="atmos_load"><p>
<quote>
</quote>
+<sect1>atmos_ping<label id="atmos_ping"><p>
+
+<quote>
+<descrip>
+<tag/Function/Bell or ricochet sound effect.
+<tag/Header/<tt/<ref id="atmos.h" name="atmos.h">/
+<tag/Declaration/<tt/void __fastcall__ atmos_ping(void);/
+<tag/Description/<tt/atmos_ping/ plays the BASIC sound.
+<tag/Notes/<itemize>
+<item>The function is available only as a fastcall function; so, it may be used
+only in the presence of a prototype.
+</itemize>
+<tag/Availability/cc65
+<tag/See also/
+<ref id="atmos_explode" name="atmos_explode">,
+<ref id="atmos_shoot" name="atmos_shoot">,
+<ref id="atmos_tick" name="atmos_tick">,
+<ref id="atmos_tock" name="atmos_tock">,
+<ref id="atmos_zap" name="atmos_zap">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
<sect1>atmos_save<label id="atmos_save"><p>
<quote>
</quote>
+<sect1>atmos_shoot<label id="atmos_shoot"><p>
+
+<quote>
+<descrip>
+<tag/Function/Pistol sound effect.
+<tag/Header/<tt/<ref id="atmos.h" name="atmos.h">/
+<tag/Declaration/<tt/void __fastcall__ atmos_shoot(void);/
+<tag/Description/<tt/atmos_shoot/ plays the BASIC sound.
+<tag/Notes/<itemize>
+<item>The function is available only as a fastcall function; so, it may be used
+only in the presence of a prototype.
+</itemize>
+<tag/Availability/cc65
+<tag/See also/
+<ref id="atmos_explode" name="atmos_explode">,
+<ref id="atmos_ping" name="atmos_ping">,
+<ref id="atmos_tick" name="atmos_tick">,
+<ref id="atmos_tock" name="atmos_tock">,
+<ref id="atmos_zap" name="atmos_zap">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>atmos_tick<label id="atmos_tick"><p>
+
+<quote>
+<descrip>
+<tag/Function/High-pitch click.
+<tag/Header/<tt/<ref id="atmos.h" name="atmos.h">/
+<tag/Declaration/<tt/void __fastcall__ atmos_tick(void);/
+<tag/Description/<tt/atmos_tick/ plays the system sound.
+<tag/Notes/<itemize>
+<item>The function is available only as a fastcall function; so, it may be used
+only in the presence of a prototype.
+</itemize>
+<tag/Availability/cc65
+<tag/See also/
+<ref id="atmos_explode" name="atmos_explode">,
+<ref id="atmos_ping" name="atmos_ping">,
+<ref id="atmos_shoot" name="atmos_shoot">,
+<ref id="atmos_tock" name="atmos_tock">,
+<ref id="atmos_zap" name="atmos_zap">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>atmos_tock<label id="atmos_tock"><p>
+
+<quote>
+<descrip>
+<tag/Function/Low-pitch click.
+<tag/Header/<tt/<ref id="atmos.h" name="atmos.h">/
+<tag/Declaration/<tt/void __fastcall__ atmos_tock(void);/
+<tag/Description/<tt/atmos_tock/ plays the system sound.
+<tag/Notes/<itemize>
+<item>The function is available only as a fastcall function; so, it may be used
+only in the presence of a prototype.
+</itemize>
+<tag/Availability/cc65
+<tag/See also/
+<ref id="atmos_explode" name="atmos_explode">,
+<ref id="atmos_ping" name="atmos_ping">,
+<ref id="atmos_shoot" name="atmos_shoot">,
+<ref id="atmos_tick" name="atmos_tick">,
+<ref id="atmos_zap" name="atmos_zap">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>atmos_zap<label id="atmos_zap"><p>
+
+<quote>
+<descrip>
+<tag/Function/Raygun sound effect.
+<tag/Header/<tt/<ref id="atmos.h" name="atmos.h">/
+<tag/Declaration/<tt/void __fastcall__ atmos_zap(void);/
+<tag/Description/<tt/atmos_zap/ plays the BASIC sound.
+<tag/Notes/<itemize>
+<item>The function is available only as a fastcall function; so, it may be used
+only in the presence of a prototype.
+</itemize>
+<tag/Availability/cc65
+<tag/See also/
+<ref id="atmos_explode" name="atmos_explode">,
+<ref id="atmos_ping" name="atmos_ping">,
+<ref id="atmos_shoot" name="atmos_shoot">,
+<ref id="atmos_tick" name="atmos_tick">,
+<ref id="atmos_tock" name="atmos_tock">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
<sect1>atoi<label id="atoi"><p>
<quote>
</itemize>
<tag/Availability/cc65
<tag/See also/
-<ref id="cbm_k_unlsn" name="cbm_k_unlsn">,
+<ref id="cbm_k_unlsn" name="cbm_k_unlsn">
<tag/Example/None.
</descrip>
</quote>
</quote>
+<sect1>cmb_k_second<label id="cbm_k_second"><p>
+
+<quote>
+<descrip>
+<tag/Function/Send secondary address for LISTEN.
+<tag/Header/<tt/<ref id="cbm.h" name="cbm.h">/
+<tag/Declaration/<tt/void __fastcall__ cbm_k_second (unsigned char addr);/
+<tag/Description/This function is used to send a secondary address to an I/O
+device after a call to LISTEN is made, and the device is commanded to LISTEN.
+<tag/Notes/<itemize>
+<item>The function is only available as fastcall function, so it may
+only be used in presence of a prototype.
+<item>The function can only be called after a call to LISTEN.
+<item>The function will not work after a TALK.
+<item>When a secondary address is to be sent to a device on the serial bus,
+the address must first be ORed with $60.
+</itemize>
+<tag/Availability/cc65
+<tag/See also/
+<ref id="cbm_k_listen" name="cbm_k_listen">
+<tag/Exampe/None.
+</descrip>
+</quote>
+
+
<sect1>cbm_k_setlfs<label id="cbm_k_setlfs"><p>
<quote>
</quote>
+<sect1>cbm_k_tksa<label id="cbm_k_tksa"><p>
+
+<quote>
+<descrip>
+<tag/Function/Send TALK secondary address to serial bus
+<tag/Header/<tt/<ref id="cbm.h" name="cbm.h">/
+<tag/Declaration/<tt/void __fastcall__ cbm_k_tksa (unsigned char addr);/
+<tag/Description/This function transmits a secondary address on the serial bus for a TALK device.
+<tag/Notes/<itemize>
+<item>The function is only available as fastcall function, so it may
+only be used in presence of a prototype.
+<item>The function can only be called after a call to TALK.
+<item>The function will not work after a LISTEN.
+</itemize>
+<tag/Availability/cc65
+<tag/See also/
+<ref id="cbm_k_talk" name="cbm_k_talk">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
<sect1>cbm_k_udtim<label id="cbm_k_udtim"><p>
<quote>
function is normally used after the host computer is finished sending data
to external devices. Sending the UNLISTEN commands the listening devices
to get off the serial bus so it can be used for other purposes.
-<tag/Notes/<itemize>
-<item>
-</itemize>
<tag/Availability/cc65
<tag/See also/
<ref id="cbm_k_listen" name="cbm_k_listen">
</quote>
+<sect1>cbm_k_untlk<label id="cbm_k_untlk"><p>
+
+<quote>
+<descrip>
+<tag/Function/Send an UNTALK command
+<tag/Header/<tt/<ref id="cbm.h" name="cbm.h">/
+<tag/Declaration/<tt/void cbm_k_untlk (void);/
+<tag/Description/This function commands all devices on the serial bus to
+stop sending data to the host computer (i.e., UNTALK). Calling this
+function results in an UNTALK command being transmitted on the serial
+bus. Only devices previously commanded to TALK are affected. This
+function is normally used after the host computer is finished listening to data
+from an external device. Sending the UNTALK commands the sending devices
+to get off the serial bus so it can be used for other purposes.
+<tag/Availability/cc65
+<tag/See also/
+<ref id="cbm_k_talk" name="cbm_k_talk">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
<sect1>cclear<label id="cclear"><p>
<quote>
</quote>
+<sect1>clock_getres<label id="clock_getres"><p>
+
+<quote>
+<descrip>
+<tag/Function/Determine the realtime clock resolution.
+<tag/Header/<tt/<ref id="time.h" name="time.h">/
+<tag/Declaration/<tt/int __fastcall__ clock_getres (clockid_t clock_id, struct timespec *res);/
+<tag/Description/The <tt/clock_getres/ function finds the resolution (precision)
+of the realtime clock. <tt/clock_id/ has to be <tt/CLOCK_REALTIME/. If <tt/res/
+is not <tt/NULL/, the resolution of the realtime clock is stored in the location
+pointed to by <tt/res/. If <tt/res/ is <tt/NULL/, the clock resolution is not returned.
+If the <tt/tp/ argument of <tt/<ref id="clock_settime" name="clock_settime">/ is not
+a multiple of <tt/res/, then the value is truncated to a multiple of <tt/res/. On
+success, zero is returned. On error, -1 is returned and <tt/errno/ is set to an
+error code describing the reason for the failure.
+<tag/Notes/<itemize>
+<item>The function is only available as fastcall function, so it may only
+be used in presence of a prototype.
+<item>Depending on the target either the <tt/tv_sec/ or the <tt/tv_nsec/
+field of the <tt/struct timespec/ returned is zero.
+</itemize>
+<tag/Availability/POSIX 1003.1
+<tag/See also/
+<ref id="clock_gettime" name="clock_gettime">,
+<ref id="clock_settime" name="clock_settime">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>clock_gettime<label id="clock_gettime"><p>
+
+<quote>
+<descrip>
+<tag/Function/Get the time from the realtime clock.
+<tag/Header/<tt/<ref id="time.h" name="time.h">/
+<tag/Declaration/<tt/int __fastcall__ clock_gettime (clockid_t clock_id, struct timespec *tp);/
+<tag/Description/The <tt/clock_gettime/ function retrieves the time since the 1970-01-01 00:00:00
+measured in nanoseconds. <tt/clock_id/ has to be <tt/CLOCK_REALTIME/. On success, zero is
+returned. On error, -1 is returned and <tt/errno/ is set to an error code describing the
+reason for the failure.
+<tag/Notes/<itemize>
+<item>The function is only available as fastcall function, so it may only
+be used in presence of a prototype.
+<item>Many platforms supported by cc65 do not have a realtime clock, so the
+retrieved value may not be valid. See also the platform-specific information.
+</itemize>
+<tag/Availability/POSIX 1003.1
+<tag/See also/
+<ref id="clock_getres" name="clock_getres">,
+<ref id="clock_settime" name="clock_settime">,
+<ref id="time" name="time">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>clock_settime<label id="clock_settime"><p>
+
+<quote>
+<descrip>
+<tag/Function/Set the time on the realtime clock.
+<tag/Header/<tt/<ref id="time.h" name="time.h">/
+<tag/Declaration/<tt/int __fastcall__ clock_settime (clockid_t clock_id, const struct timespec *tp);/
+<tag/Description/The <tt/clock_settime/ function sets the time since the 1970-01-01 00:00:00
+measured in nanoseconds. <tt/clock_id/ has to be <tt/CLOCK_REALTIME/. On success, zero is
+returned. On error, -1 is returned and <tt/errno/ is set to an error code describing the
+reason for the failure.
+<tag/Notes/<itemize>
+<item>The function is only available as fastcall function, so it may only
+be used in presence of a prototype.
+<item>Many platforms supported by cc65 do not have a realtime clock, so
+setting the time may not work. See also the platform-specific information.
+</itemize>
+<tag/Availability/POSIX 1003.1
+<tag/See also/
+<ref id="clock_getres" name="clock_getres">,
+<ref id="clock_gettime" name="clock_gettime">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
<sect1>clrscr<label id="clrscr"><p>
<quote>
</quote>
-<sect1>c
reat<label id="creat"><p>
+<sect1>c
peekc<label id="cpeekc"><p>
<quote>
<descrip>
-<tag/Function/Create a file.
-<tag/Header/<tt/<ref id="fcntl.h" name="fcntl.h">/
-<tag/Declaration/<tt/int __fastcall__ creat (const char* name, unsigned mode);/
-<tag/Description/<tt/creat/ creates a new file and returns the file descriptor
-associated with it. On error, -1 is returned and an error code is stored in
-<tt/errno/.
+<tag/Function/Get a character from the display memory.
+<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
+<tag/Declaration/<tt/char cpeekc (void);/
+<tag/Description/The function gets the character that's at the current location
+of the cursor in the display screen RAM. That character is converted, if
+needed, into the encoding that can be passed to <tt/cputc()/.
<tag/Notes/<itemize>
-<item><tt/creat/ is identical to calling <tt/<ref id="open" name="open">/ with
-<tt/flags/ equal to <tt/O_WRONLY | O_CREAT | O_TRUNC/.
+<item>Conio peek functions don't have <tt/cpeek...xy()/ versions. That was
+done to make it obvious that peeking doesn't move the cursor in any way. Your
+program must place the cursor where it wants to peek before it calls any of
+those functions.
+</itemize>
+<tag/Availability/cc65
+<tag/See also/
+<ref id="cpeekcolor" name="cpeekcolor">,
+<ref id="cpeekrevers" name="cpeekrevers">,
+<ref id="cpeeks" name="cpeeks">,
+<ref id="cputc" name="cputc">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>cpeekcolor<label id="cpeekcolor"><p>
+
+<quote>
+<descrip>
+<tag/Function/Get a color from the display memory.
+<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
+<tag/Declaration/<tt/unsigned char cpeekcolor (void);/
+<tag/Description/The function gets the color number that's at the current
+location of the cursor in the display screen RAM. That number can be passed to
+<tt/textcolor()/.
+<tag/Notes/<itemize>
+<item>Conio peek functions don't have <tt/cpeek...xy()/ versions. That was
+done to make it obvious that peeking doesn't move the cursor in any way. Your
+program must place the cursor where it wants to peek before it calls any of
+those functions.
+</itemize>
+<tag/Availability/cc65
+<tag/See also/
+<ref id="cpeekc" name="cpeekc">,
+<ref id="cpeekrevers" name="cpeekrevers">,
+<ref id="cpeeks" name="cpeeks">,
+<ref id="cputc" name="cputc">,
+<ref id="textcolor" name="textcolor">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>cpeekrevers<label id="cpeekrevers"><p>
+
+<quote>
+<descrip>
+<tag/Function/Get a reverse-character attribute from the display memory.
+<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
+<tag/Declaration/<tt/unsigned char cpeekrevers (void);/
+<tag/Description/The function gets the "reverse-mode" attribute of the
+character that's at the current location of the cursor in the display screen
+RAM. It returns a boolean value (0/1) that can be passed to <tt/revers()/.
+<tag/Notes/<itemize>
+<item>Conio peek functions don't have <tt/cpeek...xy()/ versions. That was
+done to make it obvious that peeking doesn't move the cursor in any way. Your
+program must place the cursor where it wants to peek before it calls any of
+those functions.
+</itemize>
+<tag/Availability/cc65
+<tag/See also/
+<ref id="cpeekc" name="cpeekc">,
+<ref id="cpeekcolor" name="cpeekcolor">,
+<ref id="cpeeks" name="cpeeks">,
+<ref id="cputc" name="cputc">,
+<ref id="revers" name="revers">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>cpeeks<label id="cpeeks"><p>
+
+<quote>
+<descrip>
+<tag/Function/Get a string from the display memory.
+<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
+<tag/Declaration/<tt/void __fastcall__ cpeeks (char* s, unsigned length);/
+<tag/Description/The function gets a fixed-length string ('\0'-terminated) of
+characters that start at the current location of the cursor in the display
+screen RAM. Those characters are converted, if needed, into the encoding that
+can be passed to <tt/cputs()/. The first argument must point to a RAM area
+that's large enough to hold "length + 1" bytes.
+<tag/Notes/<itemize>
+<item>Conio peek functions don't have <tt/cpeek...xy()/ versions. That was
+done to make it obvious that peeking doesn't move the cursor in any way. Your
+program must place the cursor where it wants to peek before it calls any of
+those functions.
+<item>The function is available as only a fastcall function;
+so, it may be used only in the presence of a prototype.
+</itemize>
+<tag/Availability/cc65
+<tag/See also/
+<ref id="cpeekc" name="cpeekc">,
+<ref id="cpeekcolor" name="cpeekcolor">,
+<ref id="cpeekrevers" name="cpeekrevers">,
+<ref id="cputc" name="cputc">,
+<ref id="cputs" name="cputs">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>creat<label id="creat"><p>
+
+<quote>
+<descrip>
+<tag/Function/Create a file.
+<tag/Header/<tt/<ref id="fcntl.h" name="fcntl.h">/
+<tag/Declaration/<tt/int __fastcall__ creat (const char* name, unsigned mode);/
+<tag/Description/<tt/creat/ creates a new file and returns the file descriptor
+associated with it. On error, -1 is returned and an error code is stored in
+<tt/errno/.
+<tag/Notes/<itemize>
+<item><tt/creat/ is identical to calling <tt/<ref id="open" name="open">/ with
+<tt/flags/ equal to <tt/O_WRONLY | O_CREAT | O_TRUNC/.
<item>The function is only available as fastcall function, so it may only
be used in presence of a prototype.
</itemize>
</quote>
+<sect1>detect_c128<label id="detect_c128"><p>
+
+<quote>
+<descrip>
+<tag/Function/Check if a C128 CPU is the current CPU.
+<tag/Header/<tt/<ref id="accelerator.h" name="accelerator.h">/
+<tag/Declaration/<tt/unsigned char detect_c128 (void);/
+<tag/Description/The function returns a 1 if a C128 CPU is the current CPU.
+<tag/Notes/<itemize>
+<item>The function is specific to the C64 and C128.
+</itemize>
+<tag/Availability/cc65 (not all platforms)
+<tag/See also/
+<ref id="get_c128_speed" name="get_c128_speed">,
+<ref id="set_c128_speed" name="set_c128_speed">,
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>detect_c64dtv<label id="detect_c64dtv"><p>
+
+<quote>
+<descrip>
+<tag/Function/Check for the presence of the C64DTV.
+<tag/Header/<tt/<ref id="accelerator.h" name="accelerator.h">/
+<tag/Declaration/<tt/unsigned char detect_c64dtv (void);/
+<tag/Description/The function returns a 1 if a C64DTV has been detected.
+<tag/Notes/<itemize>
+<item>The function is specific to the C64.
+</itemize>
+<tag/Availability/cc65 (not all platforms)
+<tag/See also/
+<ref id="get_c64dtv_speed" name="get_c64dtv_speed">,
+<ref id="set_c64dtv_speed" name="set_c64dtv_speed">,
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>detect_c65<label id="detect_c65"><p>
+
+<quote>
+<descrip>
+<tag/Function/Check for the presence of a C65/C64DX in C64 mode.
+<tag/Header/<tt/<ref id="accelerator.h" name="accelerator.h">/
+<tag/Declaration/<tt/unsigned char detect_c65 (void);/
+<tag/Description/The function returns a 1 if a C65/C64DX in C64 mode has been detected.
+<tag/Notes/<itemize>
+<item>The function is specific to the C64.
+</itemize>
+<tag/Availability/cc65 (not all platforms)
+<tag/See also/
+<ref id="get_c65_speed" name="get_c65_speed">,
+<ref id="set_c65_speed" name="set_c65_speed">,
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>detect_chameleon<label id="detect_chameleon"><p>
+
+<quote>
+<descrip>
+<tag/Function/Check for the presence of the C64 Chameleon cartridge.
+<tag/Header/<tt/<ref id="accelerator.h" name="accelerator.h">/
+<tag/Declaration/<tt/unsigned char detect_chameleon (void);/
+<tag/Description/The function returns a 1 if a C64 Chameleon cartridge has been detected.
+<tag/Notes/<itemize>
+<item>The function is specific to the C64.
+</itemize>
+<tag/Availability/cc65 (not all platforms)
+<tag/See also/
+<ref id="get_chameleon_speed" name="get_chameleon_speed">,
+<ref id="set_chameleon_speed" name="set_chameleon_speed">,
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>detect_scpu<label id="detect_scpu"><p>
+
+<quote>
+<descrip>
+<tag/Function/Check for the presence of the C64/C128 SuperCPU cartridge.
+<tag/Header/<tt/<ref id="accelerator.h" name="accelerator.h">/
+<tag/Declaration/<tt/unsigned char detect_scpu (void);/
+<tag/Description/The function returns a 1 if a SuperCPU cartridge has been detected.
+<tag/Notes/<itemize>
+<item>The function is specific to the C128 and C64.
+</itemize>
+<tag/Availability/cc65 (not all platforms)
+<tag/See also/
+<ref id="get_scpu_speed" name="get_scpu_speed">,
+<ref id="set_scpu_speed" name="set_scpu_speed">,
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>detect_turbomaster<label id="detect_turbomaster"><p>
+
+<quote>
+<descrip>
+<tag/Function/Check for the presence of the C64 Turbo Master cartridge.
+<tag/Header/<tt/<ref id="accelerator.h" name="accelerator.h">/
+<tag/Declaration/<tt/unsigned char detect_turbomaster (void);/
+<tag/Description/The function returns a 1 if a C64 Turbo Master cartridge has been detected.
+<tag/Notes/<itemize>
+<item>The function is specific to the C64.
+</itemize>
+<tag/Availability/cc65 (not all platforms)
+<tag/See also/
+<ref id="get_turbomaster_speed" name="get_turbomaster_speed">,
+<ref id="set_turbomaster_speed" name="set_turbomaster_speed">,
+<tag/Example/None.
+</descrip>
+</quote>
+
+
<sect1>div<label id="div"><p>
<quote>
<tag/Availability/cc65
<tag/Example/<verb>
/* Hello World */
-#include <stdio.h>
-#include <unistd.h>
-#include <cc65.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <cc65.h>
int main(void)
{
printf("Hello World\n");
<descrip>
<tag/Function/Load and initialize an extended memory driver.
<tag/Header/<tt/<ref id="em.h" name="em.h">/
-<tag/Declaration/<tt/void __fastcall__ em_load_driver (const char* name);/
+<tag/Declaration/<tt/unsigned char __fastcall__ em_load_driver (const char* name);/
<tag/Description/Load an extended memory driver into memory and initialize
it. The function returns an error code that tells if all this has been
successful.
<quote>
<descrip>
-<tag/Function/Switch the C128 into 2MHz mode.
-<tag/Header/<tt/<ref id="c128.h" name="c128.h">/
+<tag/Function/Switch the CPU into fast mode (C128: 2MHz mode, C16/Plus4: double clock mode).
+<tag/Header/<tt/<ref id="c128.h" name="c128.h">,
+<ref id="c16.h" name="c16.h">, <ref id="plus4.h" name="plus4.h">/
<tag/Declaration/<tt/void fast (void);/
-<tag/Description/The function will switch the clock of the C128 to 2MHz. This
-will nearly double the speed compared to slow mode.
+<tag/Description/The function will switch the clock of the CPU to fast mode. For the C128
+target it means switching the CPU into 2MHz mode. For the C16/Plus4 target it means
+switching the CPU into double clock mode.
<tag/Notes/<itemize>
-<item>The function is specific to the C128.
-<item>2MHz clock will not work in 40 column mode.
+<item>The function is specific to the C128, C16 and Plus4.
+<item>On the C128 the 2MHz clock will not work in 40 column mode.
</itemize>
-<tag/Availability/C128
+<tag/Availability/cc65 (not all platforms)
<tag/See also/
+<ref id="isfast" name="isfast">,
<ref id="slow" name="slow">,
-<ref id="toggle_videomode" name="toggle_videomode">,
-<ref id="videomode" name="videomode">
<tag/Example/None.
</descrip>
</quote>
</quote>
-<sect1>get
cpu<label id="getcpu"><p>
+<sect1>get
_c128_speed<label id="get_c128_speed"><p>
<quote>
<descrip>
-<tag/Function/Determine on which CPU the program is running.
-<tag/Header/<tt/<ref id="6502.h" name="6502.h">/
-<tag/Declaration/<tt/unsigned char getcpu (void);/
-<tag/Description/The function checks on which CPU the code is running. It
-returns one of the constants<itemize>
-<item><tt/CPU_6502/
-<item><tt/CPU_65C02/
-<item><tt/CPU_65816/
-</itemize>
+<tag/Function/Get the current speed of the C128 CPU.
+<tag/Header/<tt/<ref id="accelerator.h" name="accelerator.h">/
+<tag/Declaration/<tt/unsigned char get_c128_speed (void);/
+<tag/Description/The function returns the current speed of the C128 CPU.
<tag/Notes/<itemize>
-<item>Other, more exotic CPU types are not disinguished.
+<item>The function is specific to the C64 and C128.
+<item>The function does not check if the C128 CPU is the current CPU.
+<item>See the accelerator.h header for the speed definitions.
</itemize>
-<tag/Availability/cc65
+<tag/Availability/cc65 (not all platforms)
+<tag/See also/
+<ref id="detect_c128" name="detect_c128">,
+<ref id="set_c128_speed" name="set_c128_speed">,
<tag/Example/None.
</descrip>
</quote>
-<sect1>get
env<label id="getenv"><p>
+<sect1>get
_c64dtv_speed<label id="get_c64dtv_speed"><p>
<quote>
<descrip>
-<tag/Function/Return a value from the environment.
-<tag/Header/<tt/<ref id="stdlib.h" name="stdlib.h">/
-<tag/Declaration/<tt/char* __fastcall__ getenv (const char* name);/
-<tag/Description/The function searches the environment for an entry that
-matches <tt/name/ and returns its value. The environment consists of a list
-of strings in the form <tt/name=value/. If there is no match, <tt/getenv/
-returns <tt/NULL/.
+<tag/Function/Get the current speed of the C64DTV.
+<tag/Header/<tt/<ref id="accelerator.h" name="accelerator.h">/
+<tag/Declaration/<tt/unsigned char get_c64dtv_speed (void);/
+<tag/Description/The function returns the current speed of the C64DTV.
<tag/Notes/<itemize>
-<item>What exactly is stored in the environment depends on the machine the
-program is running on.
-<item>The function is only available as fastcall function, so it may only
-be used in presence of a prototype.
+<item>The function is specific to the C64.
+<item>The function does not check for the presence of the C64DTV.
+<item>See the accelerator.h header for the speed definitions.
</itemize>
-<tag/Availability/ISO 9899
+<tag/Availability/cc65 (not all platforms)
+<tag/See also/
+<ref id="detect_c64dtv" name="detect_c64dtv">,
+<ref id="set_c64dtv_speed" name="set_c64dtv_speed">,
<tag/Example/None.
</descrip>
</quote>
-<sect1>get
opt<label id="getopt"><p>
+<sect1>get
_c65_speed<label id="get_c65_speed"><p>
<quote>
<descrip>
-<tag/Function/Parse command line options.
-<tag/Header/<tt/<ref id="unistd.h" name="unistd.h">/
-<tag/Declaration/<tt/int __fastcall__ getopt (int argc, char* const* argv,
-const char* optstring);/
-<tag/Description/The function parses command line arguments, <tt/argc/ and
-<tt/argv/ are the argument count and array passed to <tt/main/. <tt/optstring/
-is a string that contains command line option characters. If a character in
-<tt/optstring/ is followed by a colon, the option requires an argument. An
-option on the command line is recognized if it is one of the option characters
-preceeded by a '-'.
-<tt/getopt/ must be called repeatedly. It will return each option character
-found on the command line and <tt/EOF/ (-1) if there is no other option. An
-option argument is placed in <tt/optarg/, the index of the next element on the
-command line to be processed is placed in <tt/optind/.
+<tag/Function/Get the current speed of the C65/C64DX in C64 mode.
+<tag/Header/<tt/<ref id="accelerator.h" name="accelerator.h">/
+<tag/Declaration/<tt/unsigned char get_c65_speed (void);/
+<tag/Description/The function returns the current speed of the C65/C64DX in C64 mode.
<tag/Notes/<itemize>
-<item>The implementation will not reorder options. A non option on the command
-line will terminate option processing. All remaining arguments are not
-recognized as options, even if the start with a '-' character.
-<item>The function is only available as fastcall function, so it may only
-be used in presence of a prototype.
+<item>The function is specific to the C64.
+<item>The function does not check for the presence of a C65/C64DX in C64 mode.
+<item>See the accelerator.h header for the speed definitions.
</itemize>
-<tag/Availability/POSIX.2
+<tag/Availability/cc65 (not all platforms)
+<tag/See also/
+<ref id="detect_c65" name="detect_c65">,
+<ref id="set_c65_speed" name="set_c65_speed">,
<tag/Example/None.
</descrip>
</quote>
-<sect1>g
otox<label id="gotox"><p>
+<sect1>g
et_chameleon_speed<label id="get_chameleon_speed"><p>
<quote>
<descrip>
-<tag/Function/Move the text mode cursor to a new X position.
-<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
-<tag/Declaration/<tt/void __fastcall__ gotox (unsigned char x);/
-<tag/Description/The function moves the text mode cursor to the specified X
-position while leaving the Y position untouched. The leftmost position on the
-screen has the coordinate 0.
+<tag/Function/Get the current speed of the C64 Chameleon cartridge.
+<tag/Header/<tt/<ref id="accelerator.h" name="accelerator.h">/
+<tag/Declaration/<tt/unsigned char get_chameleon_speed (void);/
+<tag/Description/The function returns the current speed of the C64 Chameleon cartridge.
<tag/Notes/<itemize>
-<item>The function is only available as fastcall function, so it may
-only be used in presence of a prototype.
-<item>Invalid values for the X position (out of screen coordinates) may
-lead to undefined behaviour.
+<item>The function is specific to the C64.
+<item>The function does not check for the presence of the C64 Chameleon cartridge.
+<item>See the accelerator.h header for the speed definitions.
</itemize>
-<tag/Availability/cc65
+<tag/Availability/cc65 (not all platforms)
<tag/See also/
-<ref id="gotoy" name="gotoy">,
-<ref id="gotoxy" name="gotoxy">,
-<ref id="wherex" name="wherex">,
-<ref id="wherey" name="wherey">
+<ref id="detect_chameleon" name="detect_chameleon">,
+<ref id="set_chameleon_speed" name="set_chameleon_speed">,
<tag/Example/None.
</descrip>
</quote>
-<sect1>g
otoxy<label id="gotoxy"><p>
+<sect1>g
et_scpu_speed<label id="get_scpu_speed"><p>
<quote>
<descrip>
-<tag/Function/Move the text mode cursor to a new position.
-<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
-<tag/Declaration/<tt/void __fastcall__ gotoxy (unsigned char x, unsigned char y);/
-<tag/Description/The function moves the text mode cursor to the specified
-position. The leftmost position on the screen has the X coordinate 0, the
-topmost line has the Y coordinate 0.
+<tag/Function/Get the current speed of the C64/C128 SuperCPU cartridge.
+<tag/Header/<tt/<ref id="accelerator.h" name="accelerator.h">/
+<tag/Declaration/<tt/unsigned char get_scpu_speed (void);/
+<tag/Description/The function returns the current speed of the SuperCPU cartridge.
<tag/Notes/<itemize>
-<item>The function is only available as fastcall function, so it may only be
-used in presence of a prototype.
-<item>Invalid values for any of both coordinates (out of screen positions) may
-lead to undefined behaviour.
+<item>The function is specific to the C128 and C64.
+<item>The function does not check for the presence of the cartridge.
+<item>See the accelerator.h header for the speed definitions.
</itemize>
-<tag/Availability/cc65
+<tag/Availability/cc65 (not all platforms)
<tag/See also/
-<ref id="gotox" name="gotox">,
-<ref id="gotoy" name="gotoy">,
-<ref id="wherex" name="wherex">,
-<ref id="wherey" name="wherey">
+<ref id="detect_scpu" name="detect_scpu">,
+<ref id="set_scpu_speed" name="set_scpu_speed">,
<tag/Example/None.
</descrip>
</quote>
-<sect1>g
otoy<label id="gotoy"><p>
+<sect1>g
et_turbomaster_speed<label id="get_turbomaster_speed"><p>
<quote>
<descrip>
-<tag/Function/Move the text mode cursor to a new Y position.
-<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
-<tag/Declaration/<tt/void __fastcall__ gotoy (unsigned char x);/
-<tag/Description/The function moves the text mode cursor to the specified Y
-position while leaving the X position untouched. The uppermost position on the
-screen has the coordinate 0.
+<tag/Function/Get the current speed of the C64 Turbo Master cartridge.
+<tag/Header/<tt/<ref id="accelerator.h" name="accelerator.h">/
+<tag/Declaration/<tt/unsigned char get_turbomaster_speed (void);/
+<tag/Description/The function returns the current speed of the C64 Turbo Master cartridge.
<tag/Notes/<itemize>
-<item>The function is only available as fastcall function, so it may
-only be used in presence of a prototype.
-<item>Invalid values for the Y position (out of screen coordinates) may lead
-to undefined behaviour.
+<item>The function is specific to the C64.
+<item>The function does not check for the presence of the C64 Turbo Master cartridge.
+<item>See the accelerator.h header for the speed definitions.
</itemize>
-<tag/Availability/cc65
+<tag/Availability/cc65 (not all platforms)
<tag/See also/
-<ref id="gotox" name="gotox">,
-<ref id="gotoxy" name="gotoxy">,
-<ref id="wherex" name="wherex">,
-<ref id="wherey" name="wherey">
+<ref id="detect_turbomaster" name="detect_turbomaster">,
+<ref id="set_turbomaster_speed" name="set_turbomaster_speed">,
<tag/Example/None.
</descrip>
</quote>
-
-<sect1>isalnum<label id="isalnum"><p>
+<sect1>getcpu<label id="getcpu"><p>
<quote>
<descrip>
-<tag/Function/Check if a given character is a letter or digit.
-<tag/Header/<tt/<ref id="ctype.h" name="ctype.h">/
-<tag/Declaration/<tt/int __fastcall__ isalnum (int c);/
-<tag/Description/The function returns a non zero value if the given argument
-is a letter or digit. The return value is zero if the character is anything
-else.
-<tag/Notes/<itemize>
+<tag/Function/Determine on which CPU the program is running.
+<tag/Header/<tt/<ref id="6502.h" name="6502.h">/
+<tag/Declaration/<tt/unsigned char getcpu (void);/
+<tag/Description/The function checks on which CPU the code is running. It
+returns one of the constants<itemize>
+<item><tt/CPU_6502/
+<item><tt/CPU_65C02/
+<item><tt/CPU_65816/
+<item><tt/CPU_4510/
+<item><tt/CPU_65SC02/
+<item><tt/CPU_65CE02/
+<item><tt/CPU_HUC6280/
+<item><tt/CPU_2A0x/
+</itemize>
+<tag/Notes/<itemize>
+<item>Other, more exotic CPU types are not disinguished.
+</itemize>
+<tag/Availability/cc65
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>getcurrentdevice<label id="getcurrentdevice"><p>
+
+<quote>
+<descrip>
+<tag/Function/Get current device.
+<tag/Header/<tt/<ref id="device.h" name="device.h">/
+<tag/Declaration/<tt/unsigned char getcurrentdevice (void);/
+<tag/Description/The function returns the current device.
+It allows to access the current device with the <ref id="dio.h"
+name="Low-level disk I/O API"> or <ref id="cbm.h" name="cbm_* I/O
+functions"> requiring a 'device' parameter.
+<tag/Availability/cc65
+<tag/See also/
+<ref id="getdevicedir" name="getdevicedir">,
+<ref id="getfirstdevice" name="getfirstdevice">,
+<ref id="getnextdevice" name="getnextdevice">
+<tag/Example/<verb>
+dio_open (getcurrentdevice ());
+</verb>
+</descrip>
+</quote>
+
+
+<sect1>getcwd<label id="getcwd"><p>
+
+<quote>
+<descrip>
+<tag/Function/Get current working directory.
+<tag/Header/<tt/<ref id="unistd.h" name="unistd.h">/
+<tag/Declaration/<tt/char* __fastcall__ getcwd (char* buf, size_t size);/
+<tag/Description/The function will return the current working directory.
+<tag/Notes/<itemize>
+<item>The function is only available as fastcall function, so it may only
+be used in presence of a prototype.
+</itemize>
+<tag/Availability/POSIX 1003.1
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>getdevicedir<label id="getdevicedir"><p>
+
+<quote>
+<descrip>
+<tag/Function/Get device directory.
+<tag/Header/<tt/<ref id="device.h" name="device.h">/
+<tag/Declaration/<tt/char* __fastcall__ getdevicedir (unsigned char device, char* buf, size_t size);/
+<tag/Description/The function returns the directory representing <tt/device/.
+It allows to access the device on filesystem level by calling chdir() with
+the directory returned.
+<tag/Notes/<itemize>
+<item>Calling getdevicedir() <em/does/ check for a (formatted) disk in a
+floppy-disk-type device and returns NULL if that check fails.
+<item>The function is only available as fastcall function, so it may only
+be used in presence of a prototype.
+</itemize>
+<tag/Availability/cc65
+<tag/See also/
+<ref id="getcwd" name="getcwd">,
+<ref id="getcurrentdevice" name="getcurrentdevice">,
+<ref id="getfirstdevice" name="getfirstdevice">,
+<ref id="getnextdevice" name="getnextdevice">
+<tag/Example/<verb>
+chdir (getdevicedir (device, buf, sizeof buf));
+</verb>
+cf. <tt/samples/enumdevdir.c/
+</descrip>
+</quote>
+
+
+<sect1>getenv<label id="getenv"><p>
+
+<quote>
+<descrip>
+<tag/Function/Return a value from the environment.
+<tag/Header/<tt/<ref id="stdlib.h" name="stdlib.h">/
+<tag/Declaration/<tt/char* __fastcall__ getenv (const char* name);/
+<tag/Description/The function searches the environment for an entry that
+matches <tt/name/ and returns its value. The environment consists of a list
+of strings in the form <tt/name=value/. If there is no match, <tt/getenv/
+returns <tt/NULL/.
+<tag/Notes/<itemize>
+<item>What exactly is stored in the environment depends on the machine the
+program is running on.
+<item>The function is only available as fastcall function, so it may only
+be used in presence of a prototype.
+</itemize>
+<tag/Availability/ISO 9899
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>getfirstdevice<label id="getfirstdevice"><p>
+
+<quote>
+<descrip>
+<tag/Function/Get first device.
+<tag/Header/<tt/<ref id="device.h" name="device.h">/
+<tag/Declaration/<tt/unsigned char getfirstdevice (void);/
+<tag/Description/The function returns the first device.
+The constant <tt/INVALID_DEVICE/ indicates no device.
+<tag/Notes/<itemize>
+<item>Calling getfirstdevice() does <em/not/ turn on the motor of a
+drive-type device and does <em/not/ check for a disk in the drive.
+</itemize>
+<tag/Availability/cc65
+<tag/See also/
+<ref id="getcurrentdevice" name="getcurrentdevice">,
+<ref id="getdevicedir" name="getdevicedir">,
+<ref id="getnextdevice" name="getnextdevice">
+<tag/Example/<verb>
+unsigned char dev = getfirstdevice ();
+while (dev != INVALID_DEVICE) {
+ printf ("%d\n", dev);
+ dev = getnextdevice (dev);
+ }
+</verb>
+</descrip>
+</quote>
+
+
+<sect1>getnextdevice<label id="getnextdevice"><p>
+
+<quote>
+<descrip>
+<tag/Function/Get next device.
+<tag/Header/<tt/<ref id="device.h" name="device.h">/
+<tag/Declaration/<tt/unsigned char __fastcall__ getnextdevice (unsigned char device);/
+<tag/Description/The function returns the next device after <tt/device/.
+The constant <tt/INVALID_DEVICE/ indicates no further device.
+<tag/Notes/<itemize>
+<item>Calling getnextdevice() does <em/not/ turn on the motor of a
+drive-type device and does <em/not/ check for a disk in the drive.
+<item>The function is only available as fastcall function, so it may only
+be used in presence of a prototype.
+</itemize>
+<tag/Availability/cc65
+<tag/See also/
+<ref id="getcurrentdevice" name="getcurrentdevice">,
+<ref id="getdevicedir" name="getdevicedir">,
+<ref id="getfirstdevice" name="getfirstdevice">
+<tag/Example/<verb>
+unsigned char dev = getfirstdevice ();
+while (dev != INVALID_DEVICE) {
+ printf ("%d\n", dev);
+ dev = getnextdevice (dev);
+ }
+</verb>
+</descrip>
+</quote>
+
+
+<sect1>getopt<label id="getopt"><p>
+
+<quote>
+<descrip>
+<tag/Function/Parse command line options.
+<tag/Header/<tt/<ref id="unistd.h" name="unistd.h">/
+<tag/Declaration/<tt/int __fastcall__ getopt (int argc, char* const* argv,
+const char* optstring);/
+<tag/Description/The function parses command line arguments, <tt/argc/ and
+<tt/argv/ are the argument count and array passed to <tt/main/. <tt/optstring/
+is a string that contains command line option characters. If a character in
+<tt/optstring/ is followed by a colon, the option requires an argument. An
+option on the command line is recognized if it is one of the option characters
+preceeded by a '-'.
+<tt/getopt/ must be called repeatedly. It will return each option character
+found on the command line and <tt/EOF/ (-1) if there is no other option. An
+option argument is placed in <tt/optarg/, the index of the next element on the
+command line to be processed is placed in <tt/optind/.
+<tag/Notes/<itemize>
+<item>The implementation will not reorder options. A non option on the command
+line will terminate option processing. All remaining arguments are not
+recognized as options, even if the start with a '-' character.
+<item>The function is only available as fastcall function, so it may only
+be used in presence of a prototype.
+</itemize>
+<tag/Availability/POSIX.2
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>gotox<label id="gotox"><p>
+
+<quote>
+<descrip>
+<tag/Function/Move the text mode cursor to a new X position.
+<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
+<tag/Declaration/<tt/void __fastcall__ gotox (unsigned char x);/
+<tag/Description/The function moves the text mode cursor to the specified X
+position while leaving the Y position untouched. The leftmost position on the
+screen has the coordinate 0.
+<tag/Notes/<itemize>
+<item>The function is only available as fastcall function, so it may
+only be used in presence of a prototype.
+<item>Invalid values for the X position (out of screen coordinates) may
+lead to undefined behaviour.
+</itemize>
+<tag/Availability/cc65
+<tag/See also/
+<ref id="gotoy" name="gotoy">,
+<ref id="gotoxy" name="gotoxy">,
+<ref id="wherex" name="wherex">,
+<ref id="wherey" name="wherey">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>gotoxy<label id="gotoxy"><p>
+
+<quote>
+<descrip>
+<tag/Function/Move the text mode cursor to a new position.
+<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
+<tag/Declaration/<tt/void __fastcall__ gotoxy (unsigned char x, unsigned char y);/
+<tag/Description/The function moves the text mode cursor to the specified
+position. The leftmost position on the screen has the X coordinate 0, the
+topmost line has the Y coordinate 0.
+<tag/Notes/<itemize>
+<item>The function is only available as fastcall function, so it may only be
+used in presence of a prototype.
+<item>Invalid values for any of both coordinates (out of screen positions) may
+lead to undefined behaviour.
+</itemize>
+<tag/Availability/cc65
+<tag/See also/
+<ref id="gotox" name="gotox">,
+<ref id="gotoy" name="gotoy">,
+<ref id="wherex" name="wherex">,
+<ref id="wherey" name="wherey">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>gotoy<label id="gotoy"><p>
+
+<quote>
+<descrip>
+<tag/Function/Move the text mode cursor to a new Y position.
+<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
+<tag/Declaration/<tt/void __fastcall__ gotoy (unsigned char x);/
+<tag/Description/The function moves the text mode cursor to the specified Y
+position while leaving the X position untouched. The uppermost position on the
+screen has the coordinate 0.
+<tag/Notes/<itemize>
+<item>The function is only available as fastcall function, so it may
+only be used in presence of a prototype.
+<item>Invalid values for the Y position (out of screen coordinates) may lead
+to undefined behaviour.
+</itemize>
+<tag/Availability/cc65
+<tag/See also/
+<ref id="gotox" name="gotox">,
+<ref id="gotoxy" name="gotoxy">,
+<ref id="wherex" name="wherex">,
+<ref id="wherey" name="wherey">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>isalnum<label id="isalnum"><p>
+
+<quote>
+<descrip>
+<tag/Function/Check if a given character is a letter or digit.
+<tag/Header/<tt/<ref id="ctype.h" name="ctype.h">/
+<tag/Declaration/<tt/int __fastcall__ isalnum (int c);/
+<tag/Description/The function returns a non zero value if the given argument
+is a letter or digit. The return value is zero if the character is anything
+else.
+<tag/Notes/<itemize>
<item>When compiling with <tt/-Os/ the function is actually a macro. The
inline sequence generated by the macro will not work correctly for values
outside the range 0..255. <em/Note:/ The constant <tt/EOF/ is not part of
</quote>
+<sect1>isfast<label id="isfast"><p>
+
+<quote>
+<descrip>
+<tag/Function/Check if the CPU is in fast mode (C128: 2MHz mode, C16/Plus4: double clock mode).
+<tag/Header/<tt/<ref id="c128.h" name="c128.h">,
+<ref id="c16.h" name="c16.h">, <ref id="plus4.h" name="plus4.h">/
+<tag/Declaration/<tt/unsigned char isfast (void);/
+<tag/Description/The function returns a 1 if the CPU is in fast mode (C128: 2MHz mode, C16/Plus4: double clock mode).
+<tag/Notes/<itemize>
+<item>The function is specific to the C128, C16 and Plus4.
+</itemize>
+<tag/Availability/cc65 (not all platforms)
+<tag/See also/
+<ref id="fast" name="fast">,
+<ref id="slow" name="slow">,
+<tag/Example/None.
+</descrip>
+</quote>
+
+
<sect1>isgraph<label id="isgraph"><p>
<quote>
before a call to <tt/set_brk/.
<tag/Notes/<itemize>
<item>The break vector is reset on program termination, so it's not strictly
-necessary to call this function as a part of your clean-up when exitting the program.
+necessary to call this function as a part of your clean-up when exiting the program.
</itemize>
<tag/Availability/cc65
<tag/See also/
<tag/Description/<tt/reset_irq/ resets the C level interrupt request vector.
<tag/Notes/<itemize>
<item>The interrupt vector is reset on program termination, so it's not strictly
-necessary to call this function as a part of your clean-up when exitting the program.
+necessary to call this function as a part of your clean-up when exiting the program.
</itemize>
<tag/Availability/cc65
<tag/See also/
otherwise the <tt/BRK/ instruction will get executed over and over again.
<item>The break vector is reset on program termination, so it's not strictly
necessary to call <tt/<ref id="reset_brk" name="reset_brk">/ as a part of your
-clean-up when exitting the program.
+clean-up when exiting the program.
</itemize>
<tag/Availability/cc65
<tag/See also/
it.
<item>The interrupt vector is reset on program termination, so it's not strictly
necessary to call <tt/<ref id="reset_irq" name="reset_irq">/ as a part of your
-clean-up when exitting the program.
+clean-up when exiting the program.
</itemize>
<tag/Availability/cc65
<tag/See also/
</quote>
-<sect1>set
jmp<label id="setjmp"><p>
+<sect1>set
_c128_speed<label id="set_c128_speed"><p>
<quote>
<descrip>
-<tag/Function/Save the context for use with <tt/longjmp/.
-<tag/Header/<tt/<ref id="setjmp.h" name="setjmp.h">/
-<tag/Declaration/<tt/int __fastcall__ setjmp (jmp_buf buf);/
-<tag/Description/The <tt/setjmp/ function saves the current context in <tt/buf/
-for subsequent use by the <tt/<ref id="longjmp" name="longjmp">/ function and
-returns zero.
+<tag/Function/Set the current speed of a C128 CPU.
+<tag/Header/<tt/<ref id="accelerator.h" name="accelerator.h">/
+<tag/Declaration/<tt/unsigned char __fastcall__ set_c128_speed (unsigned char speed);/
+<tag/Description/The function returns the speed after trying to set the speed of the C128 CPU.
<tag/Notes/<itemize>
-<item>The function is only available as fastcall function, so it may only
-be used in presence of a prototype.
-<item><tt/setjmp/ is actually a macro as required by the ISO standard.
+<item>The function is specific to the C64 and C128.
+<item>The function does not check if the C128 CPU is the current CPU.
+<item>See the accelerator.h header for the speed definitions.
+</itemize>
+<tag/Availability/cc65 (not all platforms)
+<tag/See also/
+<ref id="detect_c128" name="detect_c128">,
+<ref id="get_c128_speed" name="get_c128_speed">,
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>set_c64dtv_speed<label id="set_c64dtv_speed"><p>
+
+<quote>
+<descrip>
+<tag/Function/Set the current speed of the C64DTV.
+<tag/Header/<tt/<ref id="accelerator.h" name="accelerator.h">/
+<tag/Declaration/<tt/unsigned char __fastcall__ set_c64dtv_speed (unsigned char speed);/
+<tag/Description/The function returns the speed after trying to set the speed of the C64DTV.
+<tag/Notes/<itemize>
+<item>The function is specific to the C64.
+<item>The function does not check for the presence of the C64DTV.
+<item>See the accelerator.h header for the speed definitions.
+</itemize>
+<tag/Availability/cc65 (not all platforms)
+<tag/See also/
+<ref id="detect_c64dtv" name="detect_c64dtv">,
+<ref id="get_c64dtv_speed" name="get_c64dtv_speed">,
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>set_c65_speed<label id="set_c65_speed"><p>
+
+<quote>
+<descrip>
+<tag/Function/Set the current speed of the C65/C64DX in C64 mode.
+<tag/Header/<tt/<ref id="accelerator.h" name="accelerator.h">/
+<tag/Declaration/<tt/unsigned char __fastcall__ set_c65_speed (unsigned char speed);/
+<tag/Description/The function returns the speed after trying to set the speed of the C65/C64DX in C64 mode.
+<tag/Notes/<itemize>
+<item>The function is specific to the C64.
+<item>The function does not check for the presence of a C65/C64DX in C64 mode.
+<item>See the accelerator.h header for the speed definitions.
+</itemize>
+<tag/Availability/cc65 (not all platforms)
+<tag/See also/
+<ref id="detect_c65" name="detect_c65">,
+<ref id="get_c65_speed" name="get_c65_speed">,
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>set_chameleon_speed<label id="set_chameleon_speed"><p>
+
+<quote>
+<descrip>
+<tag/Function/Set the current speed of the C64 Chameleon cartridge.
+<tag/Header/<tt/<ref id="accelerator.h" name="accelerator.h">/
+<tag/Declaration/<tt/unsigned char __fastcall__ set_chameleon_speed (unsigned char speed);/
+<tag/Description/The function returns the speed after trying to set the speed of the C64 Chameleon cartridge.
+<tag/Notes/<itemize>
+<item>The function is specific to the C64.
+<item>The function does not check for the presence of the C64 Chameleon cartridge.
+<item>See the accelerator.h header for the speed definitions.
+</itemize>
+<tag/Availability/cc65 (not all platforms)
+<tag/See also/
+<ref id="detect_chameleon" name="detect_chameleon">,
+<ref id="get_chameleon_speed" name="get_chameleon_speed">,
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>set_scpu_speed<label id="set_scpu_speed"><p>
+
+<quote>
+<descrip>
+<tag/Function/Set the current speed of the C64/C128 SuperCPU cartridge.
+<tag/Header/<tt/<ref id="accelerator.h" name="accelerator.h">/
+<tag/Declaration/<tt/unsigned char __fastcall__ set_scpu_speed (unsigned char speed);/
+<tag/Description/The function returns the speed after trying to set the speed of the SuperCPU cartridge.
+<tag/Notes/<itemize>
+<item>The function is specific to the C128 and C64.
+<item>The function does not check for the presence of the cartridge.
+<item>See the accelerator.h header for the speed definitions.
+</itemize>
+<tag/Availability/cc65 (not all platforms)
+<tag/See also/
+<ref id="detect_scpu" name="detect_scpu">,
+<ref id="get_scpu_speed" name="get_scpu_speed">,
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>set_turbomaster_speed<label id="set_turbomaster_speed"><p>
+
+<quote>
+<descrip>
+<tag/Function/Set the current speed of the C64 Turbo Master cartridge.
+<tag/Header/<tt/<ref id="accelerator.h" name="accelerator.h">/
+<tag/Declaration/<tt/unsigned char __fastcall__ set_turbomaster_speed (unsigned char speed);/
+<tag/Description/The function returns the speed after trying to set the speed of the C64 Turbo Master cartridge.
+<tag/Notes/<itemize>
+<item>The function is specific to the C64.
+<item>The function does not check for the presence of the C64 Turbo Master cartridge.
+<item>See the accelerator.h header for the speed definitions.
+</itemize>
+<tag/Availability/cc65 (not all platforms)
+<tag/See also/
+<ref id="detect_turbomaster" name="detect_turbomaster">,
+<ref id="get_turbomaster_speed" name="get_turbomaster_speed">,
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>setjmp<label id="setjmp"><p>
+
+<quote>
+<descrip>
+<tag/Function/Save the context for use with <tt/longjmp/.
+<tag/Header/<tt/<ref id="setjmp.h" name="setjmp.h">/
+<tag/Declaration/<tt/int __fastcall__ setjmp (jmp_buf buf);/
+<tag/Description/The <tt/setjmp/ function saves the current context in <tt/buf/
+for subsequent use by the <tt/<ref id="longjmp" name="longjmp">/ function and
+returns zero.
+<tag/Notes/<itemize>
+<item>The function is only available as fastcall function, so it may only
+be used in presence of a prototype.
+<item><tt/setjmp/ is actually a macro as required by the ISO standard.
<item><tt/setjmp/ will not save the signal context.
</itemize>
<tag/Availability/ISO 9899
<quote>
<descrip>
-<tag/Function/Switch the C128 into 1MHz mode.
-<tag/Header/<tt/<ref id="c128.h" name="c128.h">/
+<tag/Function/Switch the CPU into slow mode (C128: 1MHz mode, C16/Plus4: single clock mode).
+<tag/Header/<tt/<ref id="c128.h" name="c128.h">,
+<ref id="c16.h" name="c16.h">, <ref id="plus4.h" name="plus4.h">/
<tag/Declaration/<tt/void slow (void);/
-<tag/Description/The function will switch the clock of the C128 to 1MHz. This
-will halve the speed compared to fast mode.
+<tag/Description/The function will switch the clock of the CPU to slow mode. for the C128
+target it means switching the CPU into 1MHz mode. for the C16/Plus4 target it means
+switching the CPU into single clock mode.
<tag/Notes/<itemize>
-<item>The function is specific to the C128.
+<item>The function is specific to the C128, C16 and Plus4.
</itemize>
-<tag/Availability/C128
+<tag/Availability/cc65 (not all platforms)
<tag/See also/
<ref id="fast" name="fast">,
-<ref id="toggle_videomode" name="toggle_videomode">,
-<ref id="videomode" name="videomode">
+<ref id="isfast" name="isfast">,
<tag/Example/None.
</descrip>
</quote>
</itemize>
<tag/Availability/ISO 9899
<tag/See also/
+<ref id="strpbrk" name="strpbrk">,
<ref id="strqtok" name="strqtok">,
<ref id="strspn" name="strspn">,
<ref id="strstr" name="strstr">,
</quote>
+<sect1>strncasecmp<label id="strncasecmp"><p>
+
+<quote>
+<descrip>
+<tag/Function/Compare two strings case insensitive.
+<tag/Header/<tt/<ref id="string.h" name="string.h">/
+<tag/Declaration/<tt/int __fastcall__ strncasecmp (const char* s1, const char* s2, size_t count);/
+<tag/Description/The <tt/strncasecmp/ function compares the two strings passed
+as parameters without case sensitivity. It returns a value that is less than
+zero if <tt/s1/ is less than <tt/s2/, zero if <tt/s1/ is the same as <tt/s2/,
+and a value greater than zero if <tt/s1/ is greater than <tt/s2/.
+<tag/Notes/<itemize>
+<item>The function is only available as fastcall function, so it may only
+be used in presence of a prototype.
+<item>The function is not available in strict ANSI mode.
+</itemize>
+<tag/Availability/cc65
+<tag/See also/
+<ref id="strcmp" name="strcmp">,
+<ref id="strcoll" name="strcoll">,
+<ref id="stricmp" name="stricmp">,
+<ref id="strncmp" name="strncmp">,
+<ref id="strxfrm" name="strxfrm">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
<sect1>strncat<label id="strncat"><p>
<quote>
</quote>
+<sect1>strnicmp<label id="strnicmp"><p>
+
+<quote>
+<descrip>
+<tag/Function/Compare two strings case insensitive.
+<tag/Header/<tt/<ref id="string.h" name="string.h">/
+<tag/Declaration/<tt/int __fastcall__ strnicmp (const char* s1, const char* s2, size_t count);/
+<tag/Description/The <tt/strnicmp/ function compares the two strings passed as
+parameters without case sensitivity. It returns a value that is less than zero
+if <tt/s1/ is less than <tt/s2/, zero if <tt/s1/ is the same as <tt/s2/, and a
+value greater than zero if <tt/s1/ is greater than <tt/s2/.
+<tag/Notes/<itemize>
+<item>The function is only available as fastcall function, so it may only
+be used in presence of a prototype.
+<item>The function is not available in strict ANSI mode.
+</itemize>
+<tag/Availability/cc65
+<tag/See also/
+<ref id="strcasecmp" name="strcasecmp">,
+<ref id="strcmp" name="strcmp">,
+<ref id="strcoll" name="strcoll">,
+<ref id="strncmp" name="strncmp">,
+<ref id="strxfrm" name="strxfrm">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>strpbrk<label id="strpbrk"><p>
+
+<quote>
+<descrip>
+<tag/Function/Find a character in a string, from a set of characters.
+<tag/Header/<tt/<ref id="string.h" name="string.h">/
+<tag/Declaration/<tt/char* __fastcall__ strpbrk (const char* str, const char* set);/
+<tag/Description/<tt/strpbrk()/ searches within <tt/str/ for the first
+occurance of any character from <tt/set/. It returns a pointer to that
+character if found; otherwise, it returns <tt/NULL/.
+<tag/Notes/<itemize>
+<item>The function is available only as a fastcall function;
+so, it should be used only in the presence of a prototype.
+</itemize>
+<tag/Availability/ISO 9899
+<tag/See also/
+<ref id="strchr" name="strchr">,
+<ref id="strcspn" name="strcspn">,
+<ref id="strqtok" name="strqtok">,
+<ref id="strspn" name="strspn">,
+<ref id="strtok" name="strtok">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
<sect1>strqtok<label id="strqtok"><p>
<quote>
<tag/Availability/cc65
<tag/See also/
<ref id="strcspn" name="strcspn">,
-<!-- <ref id="strpbrk" name="strpbrk">, -->
+<ref id="strpbrk" name="strpbrk">,
<ref id="strspn" name="strspn">,
<ref id="strtok" name="strtok">
<tag/Example/None.
<tag/Availability/ISO 9899
<tag/See also/
<ref id="strcspn" name="strcspn">,
+<ref id="strpbrk" name="strpbrk">,
<ref id="strstr" name="strstr">
<tag/Example/None.
</descrip>
<tag/Availability/ISO 9899
<tag/See also/
<ref id="strcspn" name="strcspn">,
-<!-- <ref id="strpbrk" name="strpbrk">, -->
+<ref id="strpbrk" name="strpbrk">,
<ref id="strqtok" name="strqtok">,
<ref id="strspn" name="strspn">
<tag/Example/None.
</quote>
-<sect1>t
gi_arc<label id="tgi_arc"><p>
+<sect1>t
ime<label id="time"><p>
<quote>
<descrip>
-<tag/Function/Draw an elliptic arc in the current color.
-<tag/Header/<tt/<ref id="tgi.h" name="tgi.h">/
-<tag/Declaration/<tt/void __fastcall__ tgi_arc (int x, int y,
-unsigned char rx, unsigned char ry, unsigned sa, unsigned ea);/
-<tag/Description/The function draws an elliptic arc with center at x/y and
-radii rx/ry using the current drawing color. The arc covers the angle
-between sa and ea (startangle and endangle), which must be in the range
-0..360.
+<tag/Function/Get the time.
+<tag/Header/<tt/<ref id="time.h" name="time.h">/
+<tag/Declaration/<tt/time_t __fastcall__ time (time_t* t);/
+<tag/Description/The function returns the time since the 1970-01-01 00:00:00
+measured in seconds. If the pointer <tt/t/ is not <tt/NULL/, the function
+result will also be stored there. If no time is available, <tt/(time_t)-1/ is
+returned and an error code is stored in <tt/errno/.
<tag/Notes/<itemize>
-<item>The function is only available as fastcall function, so it may only
-be used in presence of a prototype.
-<item>The function behaves unexpectedly or may crash if the angles are out
-of range.
+<item>The function is only available as fastcall function, so it may
+only be used in presence of a prototype.
+<item>Many platforms supported by cc65 do not have a realtime clock, so the
+returned value may not be valid.
</itemize>
-<tag/Availability/cc65
+<tag/Availability/ISO 9899
<tag/See also/
-<ref id="tgi_bar" name="tgi_bar">,
-<ref id="tgi_circle" name="tgi_circle">,
-<ref id="tgi_ellipse" name="tgi_ellipse">,
-<ref id="tgi_pieslice" name="tgi_pieslice">,
-<ref id="tgi_setcolor" name="tgi_setcolor">
-<tag/Example/<verb>
-/* Draw the upper half of an ellipse */
-tgi_setcolor(TGI_COLOR_BLUE);
-tgi_arc (50, 50, 40, 20, 0, 180);
-</verb>
+<ref id="clock" name="clock">,
+<ref id="clock_gettime" name="clock_gettime">
+<tag/Example/None.
</descrip>
</quote>
-<sect1>t
gi_bar<label id="tgi_bar"><p>
+<sect1>t
oggle_videomode<label id="toggle_videomode"><p>
<quote>
<descrip>
-<tag/Function/The function fills a rectangle on the drawpage with the current
-color.
-<tag/Header/<tt/<ref id="tgi.h" name="tgi.h">/
-<tag/Declaration/<tt/void __fastcall__ tgi_bar (int x1, int y1, int x2, int y2);/
-<tag/Description/The function fills a rectangle on the drawpage with the current
-color.
+<tag/Function/Toggle between 40 and 80 column mode.
+<tag/Header/<tt/<ref id="c128.h" name="c128.h">/
+<tag/Declaration/<tt/void toggle_videomode (void);/
+<tag/Description/Toggle between 40 and 80 column mode. The settings for the
+old mode (cursor position, color and so on) are saved and restored together
+with the mode.
<tag/Notes/<itemize>
-<item>The function is only available as fastcall function, so it may only
-be used in presence of a prototype.
+<item>The function is specific to the C128.
+<item>This function is deprecated. Please use <ref id="videomode"
+name="videomode"> instead!
</itemize>
-<tag/Availability/cc65
-<tag/See also/Other tgi function
-<tag/Example/<verb>
-tgi_setcolor(TGI_COLOR_GREEN);
-tgi_bar(10, 10, 100, 60);
-</verb>
+<tag/Availability/C128
+<tag/See also/
+<ref id="fast" name="fast">,
+<ref id="isfast" name="isfast">,
+<ref id="slow" name="slow">,
+<ref id="videomode" name="videomode">
+<tag/Example/None.
</descrip>
</quote>
-<sect1>t
gi_circle<label id="tgi_circle"><p>
+<sect1>t
olower<label id="tolower"><p>
<quote>
<descrip>
-<tag/Function/The function draws a circle in the current color.
-<tag/Header/<tt/<ref id="tgi.h" name="tgi.h">/
-<tag/Declaration/<tt/void __fastcall__ tgi_circle (int x, int y, unsigned char radius);/
-<tag/Description/The function draws a circle in the current color.
+<tag/Function/Convert a character into its lower case representation.
+<tag/Header/<tt/<ref id="ctype.h" name="ctype.h">/
+<tag/Declaration/<tt/int __fastcall__ tolower (int c);/
+<tag/Description/The function returns the given character converted to lower
+case. If the given character is not a letter, it is returned unchanged.
<tag/Notes/<itemize>
-<item>The function is only available as fastcall function, so it may only
-be used in presence of a prototype.
+<item>The function is only available as fastcall function, so it may
+only be used in presence of a prototype.
</itemize>
-<tag/Availability/cc65
+<tag/Availability/ISO 9899
<tag/See also/
-<ref id="tgi_arc" name="tgi_arc">,
-<ref id="tgi_bar" name="tgi_bar">,
-<ref id="tgi_ellipse" name="tgi_ellipse">,
-<ref id="tgi_pieslice" name="tgi_pieslice">,
-<ref id="tgi_setcolor" name="tgi_setcolor">
-<tag/Example/<verb>
-tgi_setcolor(TGI_COLOR_BLACK);
-tgi_circle(50, 40, 40);
-</verb>
-</descrip>
-</quote>
-
-
-<sect1>tgi_clear<label id="tgi_clear"><p>
-
-<quote>
-<descrip>
-<tag/Function/Clear the drawpage
-<tag/Header/<tt/<ref id="tgi.h" name="tgi.h">/
-<tag/Declaration/<tt/void tgi_clear (void);/
-<tag/Description/Clear the drawpage
-<tag/Availability/cc65
-<tag/See also/Other tgi functions
+<ref id="islower" name="islower">,
+<ref id="isupper" name="isupper">,
+<ref id="toupper" name="toupper">
<tag/Example/None.
</descrip>
</quote>
-<sect1>t
gi_done<label id="tgi_done"><p>
+<sect1>t
oupper<label id="toupper"><p>
<quote>
<descrip>
-<tag/Function/End graphics mode, switch back to text mode.
-Will NOT uninstall or unload the driver!
-<tag/Header/<tt/<ref id="tgi.h" name="tgi.h">/
-<tag/Declaration/<tt/void tgi_done (void);/
-<tag/Description/End graphics mode, switch back to text mode.
-Will NOT uninstall or unload the driver!
-<tag/Availability/cc65
-<tag/See also/Other tgi functions
+<tag/Function/Convert a character into its upper case representation.
+<tag/Header/<tt/<ref id="ctype.h" name="ctype.h">/
+<tag/Declaration/<tt/int __fastcall__ toupper (int c);/
+<tag/Description/The function returns the given character converted to upper
+case. If the given character is not a letter, it is returned unchanged.
+<tag/Notes/<itemize>
+<item>The function is only available as fastcall function, so it may
+only be used in presence of a prototype.
+</itemize>
+<tag/Availability/ISO 9899
+<tag/See also/
+<ref id="islower" name="islower">,
+<ref id="isupper" name="isupper">,
+<ref id="tolower" name="tolower">
<tag/Example/None.
</descrip>
</quote>
-<sect1>
tgi_ellipse<label id="tgi_ellipse"><p>
+<sect1>
ultoa<label id="ultoa"><p>
<quote>
<descrip>
-<tag/Function/The function draws an ellipse in the current color.
-<tag/Header/<tt/<ref id="tgi.h" name="tgi.h">/
-<tag/Declaration/<tt/void __fastcall__ tgi_ellipse (int x, int y, unsigned char rx, unsigned char ry);/
-<tag/Description/The function draws an ellipse at position x/y with radii
-rx and ry, using the current drawing color.
+<tag/Function/Convert an unsigned long integer into a string.
+<tag/Header/<tt/<ref id="stdlib.h" name="stdlib.h">/
+<tag/Declaration/<tt/char* __fastcall__ ultoa (unsigned long val, char* buf, int radix);/
+<tag/Description/<tt/itoa/ converts the unsigned long integer <tt/val/ into a
+string using <tt/radix/ as the base.
<tag/Notes/<itemize>
-<item>The function is only available as fastcall function, so it may only
-be used in presence of a prototype.
+<item>There are no provisions to prevent a buffer overflow.
+<item>The function is non standard, so it is not available in strict ANSI mode.
+You should probably use <tt/sprintf/ instead.
+<item>The function is only available as fastcall function, so it may only be
+used in presence of a prototype.
</itemize>
<tag/Availability/cc65
<tag/See also/
-<ref id="tgi_arc" name="tgi_arc">,
-<ref id="tgi_bar" name="tgi_bar">,
-<ref id="tgi_circle" name="tgi_circle">,
-<ref id="tgi_pieslice" name="tgi_pieslice">,
-<ref id="tgi_setcolor" name="tgi_setcolor">
-<tag/Example/<verb>
-tgi_setcolor(TGI_COLOR_RED);
-tgi_ellipse (50, 40, 40, 20);
-</verb>
+<ref id="atoi" name="atoi">,
+<ref id="atol" name="atol">,
+<ref id="itoa" name="itoa">,
+<ref id="ltoa" name="ltoa">,
+<ref id="utoa" name="utoa">
+<tag/Example/None.
</descrip>
</quote>
-<sect1>tgi_free_vectorfont<label id="tgi_free_vectorfont"><p>
-
-<quote>
-<descrip>
-<tag/Function/Free a vector font that was previously loaded into memory.
-<tag/Header/<tt/<ref id="tgi.h" name="tgi.h">/
-<tag/Declaration/<tt/void __fastcall__ tgi_free_vectorfont (const tgi_vectorfont* font);/
-<tag/Description/Free a vector font that was previously loaded into memory.
-<tag/Notes/<itemize>
-<item>The function is only available as fastcall function, so it may only
-be used in presence of a prototype.
-</itemize>
-<tag/Availability/cc65
-<tag/See also/
-<ref id="tgi_load_vectorfont" name="tgi_load_vectorfont">,
-<ref id="tgi_install_vectorfont" name="tgi_install_vectorfont">
-<tag/Example/None.
-</descrip>
-</quote>
-
-
-<sect1>tgi_getaspectratio<label id="tgi_getaspectratio"><p>
-
-<quote> <descrip> <tag/Function/Return the pixel aspect ratio.
-<tag/Header/<tt/<ref id="tgi.h" name="tgi.h">/
-<tag/Declaration/<tt/unsigned tgi_getaspectratio (void);/
-<tag/Description/The function returns the pixel aspect ratio for the current
-driver and display as an 8.8 fixed point value. It may be used to correct
-geometric shapes so they look correct on the display. As an example, a circle
-with a radius of 100 pixels may look elliptic on some driver/display
-combinations if the aspect ratio is not 1.00.
-<tag/Notes/<itemize>
-<item>The aspect ratio is encoded in the TGI driver which assumes a "standard"
-monitor for the given platform. The aspect ratio may be wrong if another
-monitor is used.
-<item>No TGI function will use the aspect ratio. It is up to the programmer to
-make use of it.
-<item>The <ref id="tgi_setaspectratio" name="tgi_setaspectratio"> function can
-be used to change the aspect ratio for a loaded driver. The value is not reset
-by <ref id="tgi_init" name="tgi_init">, so if a driver is linked statically to
-an application, switching into and out of graphics mode will not restore the
-original aspect ratio.
-</itemize>
-<tag/Availability/cc65
-<tag/See also/
-<ref id="tgi_setaspectratio" name="tgi_setaspectratio">
-<tag/Example/None.
-</descrip>
-</quote>
-
-
-<sect1>tgi_getcolor<label id="tgi_getcolor"><p>
-
-<quote>
-<descrip>
-<tag/Function/Return the current drawing color.
-<tag/Header/<tt/<ref id="tgi.h" name="tgi.h">/
-<tag/Declaration/<tt/unsigned char tgi_getcolor (void);/
-<tag/Description/The actual color is an index to a palette. During tgi_init
-you will get a default palette. The number of colors depend on the platform.
-All platforms recognize at least TGI_COLOR_BLACK and TGI_COLOR_WHITE. But some
-platforms have many more predefined colors. If you paint using TGI_COLOR_GREEN
-and then you change the green of the palette to blue using tgi_setpalette then
-after this painting in TGI_COLOR_GREEN will actually be blue.
-<tag/Availability/cc65
-<tag/See also/Other tgi functions
-<tag/Example/<verb>
-color = tgi_getcolor();
-</verb>
-</descrip>
-</quote>
-
-
-<sect1>tgi_getcolorcount<label id="tgi_getcolorcount"><p>
-
-<quote>
-<descrip>
-<tag/Function/Get the number of available colors.
-<tag/Header/<tt/<ref id="tgi.h" name="tgi.h">/
-<tag/Declaration/<tt/unsigned char tgi_getcolorcount (void);/
-<tag/Description/Tgi platforms use indexed color palettes. This function
-returns the number of entries we can use in the palette.
-<tag/Availability/cc65
-<tag/See also/Other tgi functions
-<tag/Example/<verb>
-if (tgi_getcolorcount() == 2) {
- printf("Only monochrome graphics is supported\n");
-}
-</verb>
-</descrip>
-</quote>
-
-
-<sect1>tgi_getdefpalette<label id="tgi_getdefpalette"><p>
-
-<quote>
-<descrip>
-<tag/Function/Get the palette installed by default.
-<tag/Header/<tt/<ref id="tgi.h" name="tgi.h">/
-<tag/Declaration/<tt/const unsigned char* tgi_getdefpalette (void);/
-<tag/Description/The tgi driver has a default palette that is active at startup.
-The named colors TGI_COLOR_BLACK, TGI_COLOR_WHITE, TGI_COLOR_RED... need this
-palette to work correctly.
-<tag/Availability/cc65
-<tag/See also/Other tgi functions
-<tag/Example/None.
-</descrip>
-</quote>
-
-
-<sect1>tgi_geterror<label id="tgi_geterror"><p>
-
-<quote>
-<descrip>
-<tag/Function/Return the error code for the last operation.
-This will also clear the error.
-<tag/Header/<tt/<ref id="tgi.h" name="tgi.h">/
-<tag/Declaration/<tt/unsigned char tgi_geterror (void);/
-<tag/Description/Return the error code for the last operation.
-This will also clear the error.
-<tag/Availability/cc65
-<tag/See also/Other tgi functions
-<tag/Example/None.
-</descrip>
-</quote>
-
-
-<sect1>tgi_geterrormsg<label id="tgi_geterrormsg"><p>
-
-<quote>
-<descrip>
-<tag/Function/Get an error message describing the error.
-<tag/Header/<tt/<ref id="tgi.h" name="tgi.h">/
-<tag/Declaration/<tt/const char* __fastcall__ tgi_geterrormsg (unsigned char code);/
-<tag/Description/Get an error message describing the error.
-<tag/Notes/<itemize>
-<item>The function is only available as fastcall function, so it may only
-be used in presence of a prototype.
-</itemize>
-<tag/Availability/cc65
-<tag/See also/Other tgi functions
-<tag/Example/None.
-</descrip>
-</quote>
-
-
-<sect1>tgi_getmaxcolor<label id="tgi_getmaxcolor"><p>
-
-<quote>
-<descrip>
-<tag/Function/Get the highest index of the palette.
-<tag/Header/<tt/<ref id="tgi.h" name="tgi.h">/
-<tag/Declaration/<tt/unsigned char tgi_getmaxcolor (void);/
-<tag/Description/Get the highest index of the palette.
-<tag/Availability/cc65
-<tag/See also/Other tgi functions
-<tag/Example/None.
-</descrip>
-</quote>
-
-
-<sect1>tgi_getmaxx<label id="tgi_getmaxx"><p>
-
-<quote>
-<descrip>
-<tag/Function/Get the maximum x coordinate that can be used on this screen.
-<tag/Header/<tt/<ref id="tgi.h" name="tgi.h">/
-<tag/Declaration/<tt/unsigned tgi_getmaxx (void);/
-<tag/Description/Get the maximum x coordinate that can be used on this screen.
-<tag/Availability/cc65
-<tag/See also/Other tgi functions
-<tag/Example/None.
-</descrip>
-</quote>
-
-
-<sect1>tgi_getmaxy<label id="tgi_getmaxy"><p>
-
-<quote>
-<descrip>
-<tag/Function/Get the maximum y coordinate that can be used on this screen.
-<tag/Header/<tt/<ref id="tgi.h" name="tgi.h">/
-<tag/Declaration/<tt/unsigned tgi_getmaxy (void);/
-<tag/Description/Get the maximum y coordinate that can be used on this screen.
-<tag/Availability/cc65
-<tag/See also/Other tgi functions
-<tag/Example/None.
-</descrip>
-</quote>
-
-
-<sect1>tgi_getpagecount<label id="tgi_getpagecount"><p>
-
-<quote>
-<descrip>
-<tag/Function/Return the number of screen pages available.
-<tag/Header/<tt/<ref id="tgi.h" name="tgi.h">/
-<tag/Declaration/<tt/unsigned tgi_getpagecount (void);/
-<tag/Description/Return the number of screen pages available.
-<tag/Availability/cc65
-<tag/See also/
-<ref id="tgi_setdrawpage" name="tgi_setdrawpage">,
-<ref id="tgi_setviewpage" name="tgi_setviewpage">
-<tag/Example/None.
-</descrip>
-</quote>
-
-
-<sect1>tgi_getpalette<label id="tgi_getpalette"><p>
-
-<quote>
-<descrip>
-<tag/Function/Get the palette installed.
-<tag/Header/<tt/<ref id="tgi.h" name="tgi.h">/
-<tag/Declaration/<tt/const unsigned char* tgi_getpalette (void);/
-<tag/Description/Get the palette installed.
-<tag/Availability/cc65
-<tag/See also/Other tgi functions
-<tag/Example/None.
-</descrip>
-</quote>
-
-
-<sect1>tgi_getpixel<label id="tgi_getpixel"><p>
-
-<quote>
-<descrip>
-<tag/Function/Get the color of a pixel from the viewpage.
-<tag/Header/<tt/<ref id="tgi.h" name="tgi.h">/
-<tag/Declaration/<tt/unsigned char __fastcall__ tgi_getpixel (int x, int y);/
-<tag/Description/Get the color of a pixel from the viewpage.
-<tag/Notes/<itemize>
-<item>The function is only available as fastcall function, so it may only
-be used in presence of a prototype.
-</itemize>
-<tag/Availability/cc65
-<tag/See also/Other tgi functions.
-<tag/Example/None.
-</descrip>
-</quote>
-
-
-<sect1>tgi_getxres<label id="tgi_getxres"><p>
-
-<quote>
-<descrip>
-<tag/Function/Get number of horisontal pixels on the screen.
-<tag/Header/<tt/<ref id="tgi.h" name="tgi.h">/
-<tag/Declaration/<tt/unsigned tgi_getxres (void);/
-<tag/Description/Get number of horisontal pixels on the screen.
-This is same as tgi_maxx()+1.
-<tag/Availability/cc65
-<tag/See also/Other tgi functions.
-<tag/Example/None.
-</descrip>
-</quote>
-
-
-<sect1>tgi_getyres<label id="tgi_getyres"><p>
-
-<quote>
-<descrip>
-<tag/Function/Get number of vertical pixels on the screen.
-<tag/Header/<tt/<ref id="tgi.h" name="tgi.h">/
-<tag/Declaration/<tt/unsigned tgi_getyres (void);/
-<tag/Description/Get number of vertical pixels on the screen.
-This is same as tgi_maxy()+1.
-<tag/Availability/cc65
-<tag/See also/Other tgi functions.
-<tag/Example/None.
-</descrip>
-</quote>
-
-
-<sect1>tgi_gotoxy<label id="tgi_gotoxy"><p>
-
-<quote>
-<descrip>
-<tag/Function/Set graphics cursor at x, y.
-<tag/Header/<tt/<ref id="tgi.h" name="tgi.h">/
-<tag/Declaration/<tt/void __fastcall__ tgi_gotoxy (int x, int y);/
-<tag/Description/Set graphics cursor at x, y.
-<tag/Notes/<itemize>
-<item>The function is only available as fastcall function, so it may only
-be used in presence of a prototype.
-</itemize>
-<tag/Availability/cc65
-<tag/See also/Other tgi functions.
-<tag/Example/None.
-</descrip>
-</quote>
-
-
-<sect1>tgi_init<label id="tgi_init"><p>
-
-<quote>
-<descrip>
-<tag/Function/Initialize the already loaded graphics driver.
-<tag/Header/<tt/<ref id="tgi.h" name="tgi.h">/
-<tag/Declaration/<tt/void tgi_init (void);/
-<tag/Description/The tgi_init function will set the default palette to the
-hardware.
-<tag/Notes/<itemize>
-<item><tt/tgi_init/ will not clear the screen. This allows switching between
-text and graphics mode on platforms that have separate memory areas for the
-screens. If you want the screen cleared, call <tt/<ref id="tgi_clear"
-name="tgi_clear">/ after <tt/tgi_init/.
-</itemize>
-<tag/Availability/cc65
-<tag/See also/Other tgi functions.
-<tag/Example/<verb>
-tgi_install(tgi_static_stddrv); //Include the driver statically instead of loading it.
-tgi_init(); //Set up the default palette and clear the screen.
-</verb>
-</descrip>
-</quote>
-
-
-<sect1>tgi_install<label id="tgi_install"><p>
-
-<quote>
-<descrip>
-<tag/Function/Install an already loaded driver and return an error code.
-<tag/Header/<tt/<ref id="tgi.h" name="tgi.h">/
-<tag/Declaration/<tt/unsigned char __fastcall__ tgi_install (void* driver);/
-<tag/Description/The function installs a driver that was already loaded into
-memory (or linked statically to the program). It returns an error code
-(<tt/TGI_ERR_OK/ in case of success).
-<tag/Notes/<itemize>
-<item>The function is only available as fastcall function, so it may only be
-used in presence of a prototype.
-</itemize>
-<tag/Availability/cc65
-<tag/See also/
-<ref id="tgi_load_driver" name="tgi_load_driver">,
-<ref id="tgi_uninstall" name="tgi_uninstall">,
-<ref id="tgi_unload" name="tgi_unload">
-<tag/Example/<verb>
-tgi_install(tgi_static_stddrv); //Include the driver statically instead of loading it.
-tgi_init(); //Set up the default palette and clear the screen.
-</verb>
-</descrip>
-</quote>
-
-
-<sect1>tgi_install_vectorfont<label id="tgi_install_vectorfont"><p>
-
-<quote>
-<descrip>
-<tag/Function/Install an already loaded driver and return an error code.
-<tag/Header/<tt/<ref id="tgi.h" name="tgi.h">/
-<tag/Declaration/<tt/void __fastcall__ tgi_install_vectorfont (const tgi_vectorfont* font);/
-<tag/Description/
-Install a vector font for use. More than one vector font can be loaded,
-but only one can be active. This function is used to tell which one. Call
-with a NULL pointer to uninstall the currently installed font.
-<tag/Notes/<itemize>
-<item>The function is only available as fastcall function, so it may only be
-used in presence of a prototype.
-</itemize>
-<tag/Availability/cc65
-<tag/See also/
-<ref id="tgi_load_vectorfont" name="tgi_load_vectorfont">,
-<ref id="tgi_free_vectorfont" name="tgi_free_vectorfont">
-<tag/Example/None.
-</descrip>
-</quote>
-
-
-<sect1>tgi_ioctl<label id="tgi_ioctl"><p>
-
-<quote>
-<descrip>
-<tag/Function/Platform dependent code extensions.
-<tag/Header/<tt/<ref id="tgi.h" name="tgi.h">/
-<tag/Declaration/<tt/unsigned __fastcall__ tgi_ioctl (unsigned char code, void* data);/
-<tag/Description/Some platforms have extra display hardware that is not
-supported by standard tgi functions. You can extend the driver to support
-this extra hardware using tgi_ioctl functions.
-<tag/Notes/<itemize>
-<item>The function is only available as fastcall function, so it may only
-be used in presence of a prototype.
-<item>These functions are not easily portable to other cc65 platforms.
-</itemize>
-<tag/Availability/cc65
-<tag/See also/Other tgi functions.
-<tag/Example/<verb>
-#define tgi_sprite(spr) tgi_ioctl(0, (void*)(spr))
-#define tgi_flip() tgi_ioctl(1, (void*)0)
-#define tgi_setbgcolor(bgcol) tgi_ioctl(2, (void*)(bgcol))
-#define tgi_setframerate(rate) tgi_ioctl(3, (void*)(rate))
-#define tgi_busy() tgi_ioctl(4, (void*)0)
-#define tgi_updatedisplay() tgi_ioctl(4, (void*)1)
-if (!tgi_busy()) {
- tgi_sprite(&background);
- tgi_setcolor(TGI_COLOR_BLUE);
- tgi_outttextxy(20,40,"Hello World");
- tgi_updatedisplay();
-}
-</verb>
-</descrip>
-</quote>
-
-
-<sect1>tgi_line<label id="tgi_line"><p>
-
-<quote>
-<descrip>
-<tag/Function/Draw a line in the current drawing color.
-The graphics cursor will be set to x2/y2 by this call.
-<tag/Header/<tt/<ref id="tgi.h" name="tgi.h">/
-<tag/Declaration/<tt/void __fastcall__ tgi_line (int x1, int y1, int x2, int y2);/
-<tag/Description/Draw a line in the current drawing color.
-The graphics cursor will be set to x2/y2 by this call.
-<tag/Notes/<itemize>
-<item>The function is only available as fastcall function, so it may only
-be used in presence of a prototype.
-</itemize>
-<tag/Availability/cc65
-<tag/See also/Other tgi functions.
-<tag/Example/None.
-</descrip>
-</quote>
-
-
-<sect1>tgi_lineto<label id="tgi_lineto"><p>
-
-<quote>
-<descrip>
-<tag/Function/Draw a line in the current drawing color from the graphics
-cursor to the new end point. The graphics cursor will be updated to x2/y2.
-<tag/Header/<tt/<ref id="tgi.h" name="tgi.h">/
-<tag/Declaration/<tt/void __fastcall__ tgi_lineto (int x2, int y2);/
-<tag/Description/Draw a line in the current drawing color from the graphics
-cursor to the new end point. The graphics cursor will be updated to x2/y2.
-<tag/Notes/<itemize>
-<item>The function is only available as fastcall function, so it may only
-be used in presence of a prototype.
-</itemize>
-<tag/Availability/cc65
-<tag/See also/Other tgi functions.
-<tag/Example/None.
-</descrip>
-</quote>
-
-
-<sect1>tgi_load_driver<label id="tgi_load_driver"><p>
-
-<quote>
-<descrip>
-<tag/Function/Load and install the given driver.
-<tag/Header/<tt/<ref id="tgi.h" name="tgi.h">/
-<tag/Declaration/<tt/void __fastcall__ tgi_load_driver (const char *name);/
-<tag/Description/Load and install the driver by name.
-Will just load the driver and check if loading was successful.
-Will not switch to graphics mode.
-<tag/Notes/<itemize>
-<item>The function is only available as fastcall function, so it may only
-be used in presence of a prototype.
-</itemize>
-<tag/Availability/cc65
-<tag/See also/Other tgi functions.
-<tag/Example/None.
-</descrip>
-</quote>
-
-
-<sect1>tgi_load_vectorfont<label id="tgi_load_vectorfont"><p>
-
-<quote>
-<descrip>
-<tag/Function/Load the given vector font.
-<tag/Header/<tt/<ref id="tgi.h" name="tgi.h">/
-<tag/Declaration/<tt/const tgi_vectorfont* __fastcall__ tgi_load_vectorfont (const char* name);/
-<tag/Description/
-Load a vector font into memory and return it. In case of errors, NULL is
-returned and an error is set, which can be retrieved using tgi_geterror.
-To use the font, it has to be installed using tgi_install_vectorfont.
-<tag/Notes/<itemize>
-<item>The function is only available as fastcall function, so it may only
-be used in presence of a prototype.
-</itemize>
-<tag/Availability/cc65
-<tag/See also/
-<ref id="tgi_install_vectorfont" name="tgi_install_vectorfont">,
-<ref id="tgi_free_vectorfont" name="tgi_free_vectorfont">
-<tag/Example/None.
-</descrip>
-</quote>
-
-
-<sect1>tgi_outtext<label id="tgi_outtext"><p>
-
-<quote>
-<descrip>
-<tag/Function/Output text at the current graphics cursor position.
-The graphics cursor is moved to the end of the text.
-<tag/Header/<tt/<ref id="tgi.h" name="tgi.h">/
-<tag/Declaration/<tt/void __fastcall__ tgi_outtext (const char* s);/
-<tag/Description/Output text at the current graphics cursor position.
-The graphics cursor is moved to the end of the text.
-<tag/Notes/<itemize>
-<item>The function is only available as fastcall function, so it may only
-be used in presence of a prototype.
-</itemize>
-<tag/Availability/cc65
-<tag/See also/Other tgi functions.
-<tag/Example/None.
-</descrip>
-</quote>
-
-
-<sect1>tgi_outtextxy<label id="tgi_outtextxy"><p>
-
-<quote>
-<descrip>
-<tag/Function/Output text at the given cursor position.
-The graphics cursor is moved to the end of the text.
-<tag/Header/<tt/<ref id="tgi.h" name="tgi.h">/
-<tag/Declaration/<tt/void __fastcall__ tgi_outtextxy (int x, int y, const char* s);/
-<tag/Description/Output text at the given cursor position.
-The graphics cursor is moved to the end of the text.
-<tag/Notes/<itemize>
-<item>The function is only available as fastcall function, so it may only
-be used in presence of a prototype.
-</itemize>
-<tag/Availability/cc65
-<tag/See also/Other tgi functions.
-<tag/Example/None.
-</descrip>
-</quote>
-
-
-<sect1>tgi_pieslice<label id="tgi_pieslice"><p>
-
-<quote>
-<descrip>
-<tag/Function/Draw an elliptic pie slice in the current color.
-<tag/Header/<tt/<ref id="tgi.h" name="tgi.h">/
-<tag/Declaration/<tt/void __fastcall__ tgi_pie slice (int x, int y,
-unsigned char rx, unsigned char ry, unsigned sa, unsigned ea);/
-<tag/Description/The function draws an elliptic pie slice with center at x/y
-and radii rx/ry using the current drawing color. The pie slice covers the angle
-between sa and ea (startangle and endangle), which must be in the range
-0..360.
-<tag/Notes/<itemize>
-<item>The function is only available as fastcall function, so it may only
-be used in presence of a prototype.
-<item>The function behaves unexpectedly or may crash if the angles are out
-of range.
-</itemize>
-<tag/Availability/cc65
-<tag/See also/
-<ref id="tgi_bar" name="tgi_arc">,
-<ref id="tgi_bar" name="tgi_bar">,
-<ref id="tgi_circle" name="tgi_circle">,
-<ref id="tgi_ellipse" name="tgi_ellipse">,
-<ref id="tgi_setcolor" name="tgi_setcolor">
-<tag/Example/<verb>
-/* Draw the closed upper half of an ellipse */
-tgi_setcolor(TGI_COLOR_BLUE);
-tgi_pieslice (50, 50, 40, 20, 0, 180);
-</verb>
-</descrip>
-</quote>
-
-
-<sect1>tgi_setaspectratio<label id="tgi_setaspectratio"><p>
-
-<quote> <descrip> <tag/Function/Set the pixel aspect ratio.
-<tag/Header/<tt/<ref id="tgi.h" name="tgi.h">/
-<tag/Declaration/<tt/void __fastcall__ tgi_setaspectratio (unsigned ratio);/
-<tag/Description/The function sets the pixel aspect ratio for the current
-driver and display. The argument is an 8.8 fixed point value. The aspect ratio
-may be used to correct geometric shapes so they look correct on a given
-display. As an example, a circle with a radius of 100 pixels may look elliptic
-on some driver/display combinations if the aspect ratio is not 1.00.
-<tag/Notes/<itemize>
-<item>The aspect ratio is encoded in the TGI driver which assumes a "standard"
-monitor for the given platform. The aspect ratio may be wrong if another
-monitor is used.
-<item>No TGI function will use the aspect ratio. It is up to the programmer to
-make use of it.
-<item>The <tt/tgi_setaspectratio/ function can be used to change the aspect
-ratio for a loaded driver. The value is not reset by <ref id="tgi_init"
-name="tgi_init">, so if a driver is linked statically to an application,
-switching into and out of graphics mode will not restore the original aspect
-ratio.
-<item>The function is available only as a fastcall function; so, it may be used
-only in the presence of a prototype.
-</itemize>
-<tag/Availability/cc65
-<tag/See also/
-<ref id="tgi_getaspectratio" name="tgi_getaspectratio">
-<tag/Example/None.
-</descrip>
-</quote>
-
-
-<sect1>tgi_setcolor<label id="tgi_setcolor"><p>
-
-<quote>
-<descrip>
-<tag/Function/Set color to be used in future draw operations.
-<tag/Header/<tt/<ref id="tgi.h" name="tgi.h">/
-<tag/Declaration/<tt/void __fastcall__ tgi_setcolor (unsigned char color);/
-<tag/Description/Set color to be used in future draw operations.
-<tag/Notes/<itemize>
-<item>The function is only available as fastcall function, so it may only
-be used in presence of a prototype.
-</itemize>
-<tag/Availability/cc65
-<tag/See also/Other tgi functions.
-<tag/Example/<verb>
-tgi_setcolor(TGI_COLOR_BLACK);
-tgi_bar(0,0,30,30);
-tgi_setcolor(TGI_COLOR_WHITE);
-tgi_bar(10,10,20,20);
-</verb>
-</descrip>
-</quote>
-
-<sect1>tgi_setdrawpage<label id="tgi_setdrawpage"><p>
-
-<quote>
-<descrip>
-<tag/Function/Set the page for drawing.
-<tag/Header/<tt/<ref id="tgi.h" name="tgi.h">/
-<tag/Declaration/<tt/void __fastcall__ tgi_setdrawpage (unsigned char page);/
-<tag/Description/If the drawpage and the viewpage are the same then all drawing
-is seen immediately as it is drawn. For double buffered games you can set the
-drawpage to a different page than the viewpage. This lets you draw the next
-screen in the background and when the screen is ready you display it.
-<tag/Notes/<itemize>
-<item>The function is only available as fastcall function, so it may only
-be used in presence of a prototype.
-</itemize>
-<tag/Availability/cc65
-<tag/See also/Other tgi functions.
-<tag/Example/<verb>
-tgi_setdrawpage(1);
-tgi_outtextxy(10, 10, "Hello World");
-tgi_setviewpage(1); // Show page 1
-tgi_setdrawpage(0);
-tgi_outtextxy(10, 10, "Creating next frame");
-...
-tgi_setviewpage(0); // Show page 0
-</verb>
-</descrip>
-</quote>
-
-<sect1>tgi_setpalette<label id="tgi_setpalette"><p>
-
-<quote>
-<descrip>
-<tag/Function/Set the palette (not available with all drivers/hardware).
-Palette is a pointer to as many entries as there are colors.
-<tag/Header/<tt/<ref id="tgi.h" name="tgi.h">/
-<tag/Declaration/<tt/void __fastcall__ tgi_setpalette (const unsigned char* palette);/
-<tag/Description/Set the palette (not available with all drivers/hardware).
-Palette is a pointer to as many entries as there are colors.
-<tag/Notes/<itemize>
-<item>The function is only available as fastcall function, so it may only
-be used in presence of a prototype.
-</itemize>
-<tag/Availability/cc65
-<tag/See also/Other tgi functions.
-<tag/Example/None.
-</descrip>
-</quote>
-
-<sect1>tgi_setpixel<label id="tgi_setpixel"><p>
-
-<quote>
-<descrip>
-<tag/Function/Plot a pixel on the drawpage with the current color.
-<tag/Header/<tt/<ref id="tgi.h" name="tgi.h">/
-<tag/Declaration/<tt/void __fastcall__ tgi_setpixel (int x, int y);/
-<tag/Description/Plot a pixel on the drawpage with the current color.
-<tag/Notes/<itemize>
-<item>The function is only available as fastcall function, so it may only
-be used in presence of a prototype.
-</itemize>
-<tag/Availability/cc65
-<tag/See also/Other tgi functions.
-<tag/Example/None.
-</descrip>
-</quote>
-
-<sect1>tgi_setviewpage<label id="tgi_setviewpage"><p>
-
-<quote>
-<descrip>
-<tag/Function/Set page to be visible on screen.
-<tag/Header/<tt/<ref id="tgi.h" name="tgi.h">/
-<tag/Declaration/<tt/void __fastcall__ tgi_setviewpage (unsigned char page);/
-<tag/Description/If the drawpage and the viewpage are the same then all drawing
-is seen immediately as it is drawn. For double buffered games you can set the
-drawpage to a different page than the viewpage. This lets you draw the next
-screen in the background and when the screen is ready you display it.
-<tag/Notes/<itemize>
-<item>The function is only available as fastcall function, so it may only
-be used in presence of a prototype.
-</itemize>
-<tag/Availability/cc65
-<tag/See also/Other tgi functions.
-<tag/Example/<verb>
-tgi_setdrawpage(1);
-tgi_outtextxy(10, 10, "Hello World");
-tgi_setviewpage(1); // Show page 1
-tgi_setdrawpage(0);
-tgi_outtextxy(10, 10, "Creating next frame");
-...
-tgi_setviewpage(0); // Show page 0
-</verb>
-</descrip>
-</quote>
-
-<sect1>tgi_gettextheight<label id="tgi_gettextheight"><p>
-
-<quote>
-<descrip>
-<tag/Function/Calculate the height of the text in pixels according to
-the current text style.
-<tag/Header/<tt/<ref id="tgi.h" name="tgi.h">/
-<tag/Declaration/<tt/unsigned __fastcall__ tgi_gettextheight (const char* s);/
-<tag/Description/Calculate the height of the text in pixels according to
-the current text style.
-<tag/Notes/<itemize>
-<item>The function is only available as fastcall function, so it may only
-be used in presence of a prototype.
-</itemize>
-<tag/Availability/cc65
-<tag/See also/Other tgi functions.
-<tag/Example/None.
-</descrip>
-</quote>
-
-<sect1>tgi_settextscale<label id="tgi_settextscale"><p>
-
-<quote>
-<descrip>
-<tag/Function/Set the scaling for text output.
-<tag/Header/<tt/<ref id="tgi.h" name="tgi.h">/
-<tag/Declaration/<tt/void __fastcall__ tgi_settextscale (unsigned width, unsigned height);/
-<tag/Description/
-Set the scaling for text output. The scaling factors for width and height
-are 8.8 fixed point values. This means that $100 = 1 $200 = 2 etc.
-<tag/Notes/<itemize>
-<item>The function is only available as fastcall function, so it may only
-be used in presence of a prototype.
-</itemize>
-<tag/Availability/cc65
-<tag/See also/
-<ref id="tgi_settextstyle" name="tgi_settextstyle">
-<tag/Example/None.
-</descrip>
-</quote>
-
-<sect1>tgi_settextstyle<label id="tgi_settextstyle"><p>
-
-<quote>
-<descrip>
-<tag/Function/Set the style for text output.
-<tag/Header/<tt/<ref id="tgi.h" name="tgi.h">/
-<tag/Declaration/<tt/void __fastcall__ tgi_settextstyle (unsigned char magx, unsigned char magy, unsigned char dir, unsigned char font);/
-<tag/Description/Set the style for text output.
-<tag/Notes/<itemize>
-<item>The function is only available as fastcall function, so it may only
-be used in presence of a prototype.
-</itemize>
-<tag/Availability/cc65
-<tag/See also/
-<ref id="tgi_settextscale" name="tgi_settextscale">
-<tag/Example/None.
-</descrip>
-</quote>
-
-<sect1>tgi_gettextwidth<label id="tgi_gettextwidth"><p>
-
-<quote>
-<descrip>
-<tag/Function/Calculate the width of the text in pixels according to the current text style.
-<tag/Header/<tt/<ref id="tgi.h" name="tgi.h">/
-<tag/Declaration/<tt/unsigned __fastcall__ tgi_gettextwidth (const char* s);/
-<tag/Description/Calculate the width of the text in pixels according to the current text style.
-<tag/Notes/<itemize>
-<item>The function is only available as fastcall function, so it may only
-be used in presence of a prototype.
-</itemize>
-<tag/Availability/cc65
-<tag/See also/Other tgi functions.
-<tag/Example/None.
-</descrip>
-</quote>
-
-<sect1>tgi_uninstall<label id="tgi_uninstall"><p>
-
-<quote>
-<descrip>
-<tag/Function/Uninstall the currently loaded driver but do not unload it.
-Will call tgi_done if necessary.
-<tag/Header/<tt/<ref id="tgi.h" name="tgi.h">/
-<tag/Declaration/<tt/void tgi_uninstall (void);/
-<tag/Description/Uninstall the currently loaded driver but do not unload it.
-Will call tgi_done if necessary.
-<tag/Availability/cc65
-<tag/See also/Other tgi functions.
-<tag/Example/None.
-</descrip>
-</quote>
-
-<sect1>tgi_unload<label id="tgi_unload"><p>
-
-<quote>
-<descrip>
-<tag/Function/Uninstall, then unload the currently loaded driver.
-Will call tgi_done if necessary.
-<tag/Header/<tt/<ref id="tgi.h" name="tgi.h">/
-<tag/Declaration/<tt/void tgi_unload (void);/
-<tag/Description/Uninstall, then unload the currently loaded driver.
-Will call tgi_done if necessary.
-<tag/Availability/cc65
-<tag/See also/Other tgi functions.
-<tag/Example/None.
-</descrip>
-</quote>
-
-<sect1>time<label id="time"><p>
-
-<quote>
-<descrip>
-<tag/Function/Get the time.
-<tag/Header/<tt/<ref id="time.h" name="time.h">/
-<tag/Declaration/<tt/time_t __fastcall__ time (time_t* t);/
-<tag/Description/The function returns the time since the 1970-01-01 00:00:00
-measured in seconds. If the pointer <tt/t/ is not <tt/NULL/, the function
-result will also be stored there. If no time is available, <tt/(time_t)-1/ is
-returned and <tt/errno/ is set to <tt/ENOSYS/.
-<tag/Notes/<itemize>
-<item>The function is only available as fastcall function, so it may
-only be used in presence of a prototype.
-<item>Many platforms supported by cc65 do not have a realtime clock, so the
-returned value may not be valid.
-</itemize>
-<tag/Availability/ISO 9899
-<tag/See also/
-<ref id="clock" name="clock">
-<tag/Example/None.
-</descrip>
-</quote>
-
-
-<sect1>toggle_videomode<label id="toggle_videomode"><p>
-
-<quote>
-<descrip>
-<tag/Function/Toggle between 40 and 80 column mode.
-<tag/Header/<tt/<ref id="c128.h" name="c128.h">/
-<tag/Declaration/<tt/void toggle_videomode (void);/
-<tag/Description/Toggle between 40 and 80 column mode. The settings for the
-old mode (cursor position, color and so on) are saved and restored together
-with the mode.
-<tag/Notes/<itemize>
-<item>The function is specific to the C128.
-<item>This function is deprecated. Please use <ref id="videomode"
-name="videomode"> instead!
-</itemize>
-<tag/Availability/C128
-<tag/See also/
-<ref id="fast" name="fast">,
-<ref id="slow" name="slow">,
-<ref id="videomode" name="videomode">
-<tag/Example/None.
-</descrip>
-</quote>
-
-
-<sect1>tolower<label id="tolower"><p>
-
-<quote>
-<descrip>
-<tag/Function/Convert a character into its lower case representation.
-<tag/Header/<tt/<ref id="ctype.h" name="ctype.h">/
-<tag/Declaration/<tt/int __fastcall__ tolower (int c);/
-<tag/Description/The function returns the given character converted to lower
-case. If the given character is not a letter, it is returned unchanged.
-<tag/Notes/<itemize>
-<item>The function is only available as fastcall function, so it may
-only be used in presence of a prototype.
-</itemize>
-<tag/Availability/ISO 9899
-<tag/See also/
-<ref id="islower" name="islower">,
-<ref id="isupper" name="isupper">,
-<ref id="toupper" name="toupper">
-<tag/Example/None.
-</descrip>
-</quote>
-
-
-<sect1>toupper<label id="toupper"><p>
-
-<quote>
-<descrip>
-<tag/Function/Convert a character into its upper case representation.
-<tag/Header/<tt/<ref id="ctype.h" name="ctype.h">/
-<tag/Declaration/<tt/int __fastcall__ toupper (int c);/
-<tag/Description/The function returns the given character converted to upper
-case. If the given character is not a letter, it is returned unchanged.
-<tag/Notes/<itemize>
-<item>The function is only available as fastcall function, so it may
-only be used in presence of a prototype.
-</itemize>
-<tag/Availability/ISO 9899
-<tag/See also/
-<ref id="islower" name="islower">,
-<ref id="isupper" name="isupper">,
-<ref id="tolower" name="tolower">
-<tag/Example/None.
-</descrip>
-</quote>
-
-
-<sect1>ultoa<label id="ultoa"><p>
-
-<quote>
-<descrip>
-<tag/Function/Convert an unsigned long integer into a string.
-<tag/Header/<tt/<ref id="stdlib.h" name="stdlib.h">/
-<tag/Declaration/<tt/char* __fastcall__ ultoa (unsigned long val, char* buf, int radix);/
-<tag/Description/<tt/itoa/ converts the unsigned long integer <tt/val/ into a
-string using <tt/radix/ as the base.
-<tag/Notes/<itemize>
-<item>There are no provisions to prevent a buffer overflow.
-<item>The function is non standard, so it is not available in strict ANSI mode.
-You should probably use <tt/sprintf/ instead.
-<item>The function is only available as fastcall function, so it may only be
-used in presence of a prototype.
-</itemize>
-<tag/Availability/cc65
-<tag/See also/
-<ref id="atoi" name="atoi">,
-<ref id="atol" name="atol">,
-<ref id="itoa" name="itoa">,
-<ref id="ltoa" name="ltoa">,
-<ref id="utoa" name="utoa">
-<tag/Example/None.
-</descrip>
-</quote>
-
-
-<sect1>unlink<label id="unlink"><p>
+<sect1>unlink<label id="unlink"><p>
<quote>
<descrip>
<tag/Availability/C128 and enhanced Apple //e
<tag/See also/
<ref id="fast" name="fast">,
+<ref id="isfast" name="isfast">,
<ref id="slow" name="slow">,
<ref id="toggle_videomode" name="toggle_videomode">
<tag/Example/None.
</quote>
+<sect1>waitvsync<label id="waitvsync"><p>
+
+<quote>
+<descrip>
+<tag/Function/Wait until the start of the next frame.
+<tag/Header/
+<tt/<ref id="cbm.h" name="cbm.h">/,
+<tt/<ref id="gamate.h" name="gamate.h">/,
+<tt/<ref id="nes.h" name="nes.h">/,
+<tt/<ref id="pce.h" name="pce.h">/
+<tag/Declaration/<tt/void waitvsync (void);/
+<tag/Description/Wait for vertical sync to reduce flickering.
+<tag/Availability/Platforms above
+<tag/Example/None.
+</descrip>
+</quote>
+
+
<sect1>wherex<label id="wherex"><p>
<quote>
projects / cc65 / blobdiff