<article>
<title>cc65 function reference
-<author><url url="mailto:uz@cc65.org" name="Ullrich von Bassewitz">
-<date>2016-08-07
+<author><url url="mailto:uz@cc65.org" name="Ullrich von Bassewitz">,<newline>
+<url url="mailto:greg.king5@verizon.net" name="Greg King">
+<date>2018-02-06
<abstract>
cc65 is a C compiler for 6502 based systems. This function reference describes
<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>
<!-- <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>
<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)
<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="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>
</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>
</descrip>
</quote>
-<sect1>kbrepeat<label id="kbrepeat"><p>
-
-<quote>
-<descrip>
-<tag/Function/Set keyboard repeat mode
-<tag/Header/<tt/<ref id="cbm.h" name="cbm.h">/
-<tag/Declaration/<tt/unsigned char __fastcall__ kbrepeat (unsigned char mode);/
-<tag/Description/This function changes which keys have automatic repeat when
-being hold down for a certain time. Possible values are KBREPEAT_CURSOR (repeat
-only cursor-related keys), KBREPEAT_NONE (no repeat for any keys) and
-KBREPEAT_ALL (repeat all keys). The old mode is returned so it can be restored
-later.
-<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/Example/None.
-</descrip>
-</quote>
<sect1>cclear<label id="cclear"><p>
</quote>
+<sect1>cpeekc<label id="cpeekc"><p>
+
+<quote>
+<descrip>
+<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>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>
<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");
</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.
+<tag/Notes/<itemize>
+<item>
+</itemize>
+<tag/Availability/cc65
+<tag/See also/
+<ref id="getdevicedir" name="getdevicedir">,
+<ref id="getfirstdevice" name="getfirstdevice">,
+<ref id="getnextdevice" name="getnextdevice">
+<tag/Example/<verb>
+puts (getdevicedir (getcurrentdevice (), buf, sizeof buf));
+</verb>
+</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 current directory of <tt/device/.
+<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="getcwd" name="getcwd">,
+<ref id="getcurrentdevice" name="getcurrentdevice">,
+<ref id="getfirstdevice" name="getfirstdevice">,
+<ref id="getnextdevice" name="getnextdevice">
+<tag/Example/<verb>
+puts (getdevicedir (getcurrentdevice (), buf, sizeof buf));
+</verb>
+</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 value 255 indicates no device.
+<tag/Notes/<itemize>
+<item>
+</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 != 255) {
+ 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 value 255 indicates no further device.
+<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="getcurrentdevice" name="getcurrentdevice">,
+<ref id="getdevicedir" name="getdevicedir">,
+<ref id="getfirstdevice" name="getfirstdevice">
+<tag/Example/<verb>
+unsigned char dev = getfirstdevice ();
+while (dev != 255) {
+ printf ("%d\n", dev);
+ dev = getnextdevice (dev);
+ }
+</verb>
+</descrip>
+</quote>
+
+
<sect1>getenv<label id="getenv"><p>
<quote>
</quote>
-<sect1>
labs<label id="labs"><p>
+<sect1>
kbrepeat<label id="kbrepeat"><p>
<quote>
<descrip>
-<tag/Function/Returns the absolute value of a long integer.
-<tag/Header/<tt/<ref id="stdlib.h" name="stdlib.h">/
-<tag/Declaration/<tt/long __fastcall__ labs (long v);/
+<tag/Function/Set the keyboard repeat mode.
+<tag/Header/<tt/<ref id="cbm.h" name="cbm.h">/
+<tag/Declaration/<tt/unsigned char __fastcall__ kbrepeat (unsigned char mode);/
+<tag/Description/This function changes which keys have automatic repeat when
+being held down for a certain time. Possible values are <tt/KBREPEAT_CURSOR/
+(repeat only cursor-related keys), <tt/KBREPEAT_NONE/ (no repeat for any
+keys), and <tt/KBREPEAT_ALL/ (repeat all keys). The old mode is returned, so
+it can be restored later.
+<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/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>labs<label id="labs"><p>
+
+<quote>
+<descrip>
+<tag/Function/Returns the absolute value of a long integer.
+<tag/Header/<tt/<ref id="stdlib.h" name="stdlib.h">/
+<tag/Declaration/<tt/long __fastcall__ labs (long v);/
<tag/Description/<tt/labs/ returns the absolute value of the argument passed to
the function.
<tag/Notes/<itemize>
</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>strqtok<label id="strqtok"><p>
<quote>
</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 <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>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">
+<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="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>
+<ref id="islower" name="islower">,
+<ref id="isupper" name="isupper">,
+<ref id="toupper" name="toupper">
+<tag/Example/None.
</descrip>
</quote>
-<sect1>t
gi_clear<label id="tgi_clear"><p>
+<sect1>t
oupper<label id="toupper"><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
+<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_done<label id="tgi_done"><p>
+<sect1>
ultoa<label id="ultoa"><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/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/Other tgi functions
+<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>
tgi_ellipse<label id="tgi_ellipse"><p>
+<sect1>
unlink<label id="unlink"><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/Delete a file.
+<tag/Header/<tt/<ref id="unistd.h" name="unistd.h">/
+<tag/Declaration/<tt/int __fastcall__ unlink (const char* name);/
+<tag/Description/<tt/unlink/ deletes the file with the given name. 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 use of this function is discouraged. Please use <tt/<ref id="remove"
+name="remove">/ instead, which is a native ANSI C function and does the same.
+<item>This function is not available on all cc65 targets (depends on the
+availability of file I/O).
<item>The function is only available as fastcall function, so it may only
be used in presence of a prototype.
+<item>Instead of <tt/unlink/, <tt/<ref id="remove" name="remove">/ should be
+used, which has the same semantics, but is more portable, because it conforms
+to the ISO C standard.
</itemize>
-<tag/Availability/cc65
+<tag/Availability/POSIX 1003.1
<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);
+<ref id="remove" name="remove">
+<tag/Example/
+<verb>
+#include <stdio.h>
+#include <unistd.h>
+
+#define FILENAME "helloworld"
+
+if (unlink (FILENAME) == 0) {
+ printf ("We deleted %s successfully\n", FILENAME);
+} else {
+ printf ("There was a problem deleting %s\n", FILENAME);
+}
</verb>
</descrip>
</quote>
-<sect1>
tgi_free_vectorfont<label id="tgi_free_vectorfont"><p>
+<sect1>
utoa<label id="utoa"><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/Function/Convert an unsigned integer into a string.
+<tag/Header/<tt/<ref id="stdlib.h" name="stdlib.h">/
+<tag/Declaration/<tt/char* __fastcall__ utoa (unsigned val, char* buf, int radix);/
+<tag/Description/<tt/itoa/ converts the unsigned 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_load_vectorfont" name="tgi_load_vectorfont">,
-<ref id="tgi_install_vectorfont" name="tgi_install_vectorfont">
+<ref id="atoi" name="atoi">,
+<ref id="atol" name="atol">,
+<ref id="itoa" name="itoa">,
+<ref id="ltoa" name="ltoa">,
+<ref id="ultoa" name="ultoa">
<tag/Example/None.
</descrip>
</quote>
-<sect1>
tgi_getaspectratio<label id="tgi_getaspectratio"><p>
+<sect1>
vcprintf<label id="vcprintf"><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.
+<quote>
+<descrip>
+<tag/Function/Formatted output to the console.
+<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
+<tag/Declaration/<tt/int __fastcall__ vcprintf (const char* format, va_list ap);/
+<tag/Description/The arguments specified as a <tt/va_list/ are converted to
+text where necessary and formatted according to the format string given. The
+resulting string is output to the console. <tt/vcprintf/ supports the same
+format specifiers as <tt/vprintf/. <!-- <tt/<ref id="vprintf" name="vprintf">/. -->
<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.
+<item>Like all other <tt/conio/ output functions, <tt/vcprintf/ distinguishes
+between <tt/\r/ and <tt/\n/.
+<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_setaspectratio" name="tgi_setaspectratio">
+<ref id="cprintf" name="cprintf">,
+<ref id="cputc" name="cputc">,
+<ref id="cputcxy" name="cputcxy">,
+<ref id="cputs" name="cputs">,
+<ref id="cputsxy" name="cputsxy">
<tag/Example/None.
</descrip>
</quote>
-<sect1>
tgi_getcolor<label id="tgi_getcolor"><p>
+<sect1>
videomode<label id="videomode"><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>
+<tag/Function/Switch to either 40 or 80 column mode.
+<tag/Header/<tt/<ref id="apple2enh.h" name="apple2enh.h">,
+<ref id="c128.h" name="c128.h">/
+<tag/Declaration/<tt/unsigned __fastcall__ videomode (unsigned Mode);/
+<tag/Description/Switch to 40 or 80 column mode depending on the argument. If
+the requested mode is already active, nothing happens. The old mode is returned
+from the call.
+<tag/Notes/<itemize>
+<item>The function is specific to the C128 and enhanced Apple //e.
+<item>This function replaces <ref id="toggle_videomode"
+name="toggle_videomode">.
+<item>The function is only available as fastcall function, so it may only be
+used in presence of a prototype.
+</itemize>
+<tag/Availability/C128 and enhanced Apple //e
+<tag/See also/
+<ref id="fast" name="fast">,
+<ref id="slow" name="slow">,
+<ref id="toggle_videomode" name="toggle_videomode">
+<tag/Example/None.
</descrip>
</quote>
-<sect1>
tgi_getcolorcount<label id="tgi_getcolorcount"><p>
+<sect1>
waitvsync<label id="waitvsync"><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>
-
-<quote>
-<descrip>
-<tag/Function/Delete a file.
-<tag/Header/<tt/<ref id="unistd.h" name="unistd.h">/
-<tag/Declaration/<tt/int __fastcall__ unlink (const char* name);/
-<tag/Description/<tt/unlink/ deletes the file with the given name. 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 use of this function is discouraged. Please use <tt/<ref id="remove"
-name="remove">/ instead, which is a native ANSI C function and does the same.
-<item>This function is not available on all cc65 targets (depends on the
-availability of file I/O).
-<item>The function is only available as fastcall function, so it may only
-be used in presence of a prototype.
-<item>Instead of <tt/unlink/, <tt/<ref id="remove" name="remove">/ should be
-used, which has the same semantics, but is more portable, because it conforms
-to the ISO C standard.
-</itemize>
-<tag/Availability/POSIX 1003.1
-<tag/See also/
-<ref id="remove" name="remove">
-<tag/Example/
-<verb>
-#include <stdio.h>
-#include <unistd.h>
-
-#define FILENAME "helloworld"
-
-if (unlink (FILENAME) == 0) {
- printf ("We deleted %s successfully\n", FILENAME);
-} else {
- printf ("There was a problem deleting %s\n", FILENAME);
-}
-</verb>
-</descrip>
-</quote>
-
-
-<sect1>utoa<label id="utoa"><p>
-
-<quote>
-<descrip>
-<tag/Function/Convert an unsigned integer into a string.
-<tag/Header/<tt/<ref id="stdlib.h" name="stdlib.h">/
-<tag/Declaration/<tt/char* __fastcall__ utoa (unsigned val, char* buf, int radix);/
-<tag/Description/<tt/itoa/ converts the unsigned 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="ultoa" name="ultoa">
-<tag/Example/None.
-</descrip>
-</quote>
-
-
-<sect1>vcprintf<label id="vcprintf"><p>
-
-<quote>
-<descrip>
-<tag/Function/Formatted output to the console.
-<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
-<tag/Declaration/<tt/int __fastcall__ vcprintf (const char* format, va_list ap);/
-<tag/Description/The arguments specified as a <tt/va_list/ are converted to
-text where necessary and formatted according to the format string given. The
-resulting string is output to the console. <tt/vcprintf/ supports the same
-format specifiers as <tt/vprintf/. <!-- <tt/<ref id="vprintf" name="vprintf">/. -->
-<tag/Notes/<itemize>
-<item>Like all other <tt/conio/ output functions, <tt/vcprintf/ distinguishes
-between <tt/\r/ and <tt/\n/.
-<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="cprintf" name="cprintf">,
-<ref id="cputc" name="cputc">,
-<ref id="cputcxy" name="cputcxy">,
-<ref id="cputs" name="cputs">,
-<ref id="cputsxy" name="cputsxy">
-<tag/Example/None.
-</descrip>
-</quote>
-
-
-<sect1>videomode<label id="videomode"><p>
-
-<quote>
-<descrip>
-<tag/Function/Switch to either 40 or 80 column mode.
-<tag/Header/<tt/<ref id="apple2enh.h" name="apple2enh.h">,
-<ref id="c128.h" name="c128.h">/
-<tag/Declaration/<tt/unsigned __fastcall__ videomode (unsigned Mode);/
-<tag/Description/Switch to 40 or 80 column mode depending on the argument. If
-the requested mode is already active, nothing happens. The old mode is returned
-from the call.
-<tag/Notes/<itemize>
-<item>The function is specific to the C128 and enhanced Apple //e.
-<item>This function replaces <ref id="toggle_videomode"
-name="toggle_videomode">.
-<item>The function is only available as fastcall function, so it may only be
-used in presence of a prototype.
-</itemize>
-<tag/Availability/C128 and enhanced Apple //e
-<tag/See also/
-<ref id="fast" name="fast">,
-<ref id="slow" name="slow">,
-<ref id="toggle_videomode" name="toggle_videomode">
+<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>
projects / cc65 / blobdiff