<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>2017-12-09
+<date>2018-02-07
<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>
<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)
(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/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)
<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>
-(incomplete)
-
<sect1><tt/telestrat.h/<label id="telestrat.h"><p>
<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"> -->
</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");
<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_c128_speed<label id="get_c128_speed"><p>
+
+<quote>
+<descrip>
+<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>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="set_c128_speed" name="set_c128_speed">,
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>get_c64dtv_speed<label id="get_c64dtv_speed"><p>
+
+<quote>
+<descrip>
+<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>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="set_c64dtv_speed" name="set_c64dtv_speed">,
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>get_c65_speed<label id="get_c65_speed"><p>
+
+<quote>
+<descrip>
+<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 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="set_c65_speed" name="set_c65_speed">,
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>get_chameleon_speed<label id="get_chameleon_speed"><p>
+
+<quote>
+<descrip>
+<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 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="set_chameleon_speed" name="set_chameleon_speed">,
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>get_scpu_speed<label id="get_scpu_speed"><p>
+
+<quote>
+<descrip>
+<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 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="set_scpu_speed" name="set_scpu_speed">,
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>get_turbomaster_speed<label id="get_turbomaster_speed"><p>
+
+<quote>
+<descrip>
+<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 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="set_turbomaster_speed" name="set_turbomaster_speed">,
+<tag/Example/None.
+</descrip>
+</quote>
+
<sect1>getcpu<label id="getcpu"><p>
<quote>
<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.
</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>
</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>
</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>
</quote>
+<sect1>set_c128_speed<label id="set_c128_speed"><p>
+
+<quote>
+<descrip>
+<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 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>
<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>
</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>
<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.
<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.
projects / cc65 / blobdiff