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Changed c128 accelerator code and documention to include both C64 and C128 support.

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Marco van den Heuvel
2018-04-23 19:25:11 -07:00
parent 28f26991ac
commit cc2bcb8a4d
8 changed files with 114 additions and 73 deletions
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20
include/accelerator.h
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@@ -137,11 +137,11 @@ extern unsigned char detect_c64dtv (void);
*/
/* C128 in C64 mode */
/* C128 8502 CPU */
extern unsigned char __fastcall__ set_c128_speed (unsigned char speed);
/* Set the speed of the C128 CPU, using SPEED_SLOW will switch to
/* Set the speed of the C128 8502 CPU, using SPEED_SLOW will switch to
* 1 Mhz (slow) mode, SPEED_2X or SPEED_FAST will switch to 2Mhz (fast) mode.
*
* Note that any value higher or equal to SPEED_2X will switch to fast mode.
@@ -149,29 +149,29 @@ extern unsigned char __fastcall__ set_c128_speed (unsigned char speed);
* This function will return the actual speed the CPU is at after trying
* to set the requested speed, to my knowledge the switching should not fail.
*
* This function does not check for the presence of a C128 in C64 mode,
* make sure you use 'detect_c128();' before using.
* This function does not check if the C128 CPU is the current CPU, make sure
* you use 'detect_c128();' before using.
*/
extern unsigned char get_c128_speed (void);
/* Get the speed of the C128 CPU.
/* Get the speed of the C128 8502 CPU.
*
* Possible return values:
* SPEED_SLOW : Slow mode
* SPEED_2X : Fast mode
*
* This function does not check for the presence of a C128 in C64 mode,
* make sure you use 'detect_c128();' before using.
* This function does not check if the C128 CPU is the current CPU, make sure
* you use 'detect_c128();' before using.
*/
extern unsigned char detect_c128 (void);
/* Check for the presence of a C128 in C64 mode.
/* Check if the C128 CPU is the current CPU.
*
* Possible return values:
* 0x00 : C128 in C64 mode not present
* 0x01 : C128 in C64 mode present
* 0x00 : C128 CPU is not the current CPU
* 0x01 : C128 CPU is the current CPU
*/
/* End of accelerator.h */