// This is part of Pico Library\r
\r
// (c) Copyright 2004 Dave, All rights reserved.\r
-// (c) Copyright 2006 notaz, All rights reserved.\r
+// (c) Copyright 2006,2007 notaz, All rights reserved.\r
// Free for non-commercial use.\r
\r
// For commercial use, separate licencing terms must be obtained.\r
#include "ym2612.h"\r
#include "sn76496.h"\r
\r
-#if defined(_USE_MZ80)\r
-#include "../../cpu/mz80/mz80.h"\r
-#elif defined(_USE_DRZ80)\r
-#include "../../cpu/DrZ80/drz80.h"\r
-#elif defined(_USE_CZ80)\r
-#include "../../cpu/cz80/cz80.h"\r
-#endif\r
-\r
#include "../PicoInt.h"\r
#include "../cd/pcm.h"\r
#include "mix.h"\r
int PsndLen_exc_cnt=0;\r
short *PsndOut=NULL; // PCM data buffer\r
\r
-// from ym2612.c\r
-extern int *ym2612_dacen;\r
-extern INT32 *ym2612_dacout;\r
-void YM2612TimerHandler(int c,int cnt);\r
-\r
// sn76496\r
extern int *sn76496_regs;\r
\r
{(UINT16) -1,(UINT16) -1,NULL}\r
};\r
\r
+int mz80_run(int cycles)\r
+{\r
+ int ticks_pre = mz80GetElapsedTicks(0);\r
+ mz80exec(cycles);\r
+ return mz80GetElapsedTicks(0) - ticks_pre;\r
+}\r
+\r
#elif defined(_USE_DRZ80)\r
\r
-static struct DrZ80 drZ80;\r
+struct DrZ80 drZ80;\r
\r
static unsigned int DrZ80_rebasePC(unsigned short a)\r
{\r
Cz80_Init(&CZ80);\r
Cz80_Set_Fetch(&CZ80, 0x0000, 0x1fff, (UINT32)Pico.zram); // main RAM\r
Cz80_Set_Fetch(&CZ80, 0x2000, 0x3fff, (UINT32)Pico.zram - 0x2000); // mirror\r
- Cz80_Set_ReadB(&CZ80, (UINT8 (*)(UINT32 address))z80_read);\r
+ Cz80_Set_ReadB(&CZ80, (UINT8 (*)(UINT32 address))z80_read); // unused (hacked in)\r
Cz80_Set_WriteB(&CZ80, z80_write);\r
Cz80_Set_INPort(&CZ80, z80_in);\r
Cz80_Set_OUTPort(&CZ80, z80_out);\r
Pico.m.z80_fakeval = 0; // for faking when Z80 is disabled\r
}\r
\r
-PICO_INTERNAL void z80_resetCycles(void)\r
-{\r
-#if defined(_USE_MZ80)\r
- mz80GetElapsedTicks(1);\r
-#endif\r
-}\r
-\r
-PICO_INTERNAL void z80_int(void)\r
-{\r
-#if defined(_USE_MZ80)\r
- mz80int(0);\r
-#elif defined(_USE_DRZ80)\r
- drZ80.z80irqvector = 0xFF; // default IRQ vector RST opcode\r
- drZ80.Z80_IRQ = 1;\r
-#elif defined(_USE_CZ80)\r
- Cz80_Set_IRQ(&CZ80, 0, HOLD_LINE);\r
-#endif\r
-}\r
-\r
-// returns number of cycles actually executed\r
-PICO_INTERNAL int z80_run(int cycles)\r
-{\r
-#if defined(_USE_MZ80)\r
- int ticks_pre = mz80GetElapsedTicks(0);\r
- mz80exec(cycles);\r
- return mz80GetElapsedTicks(0) - ticks_pre;\r
-#elif defined(_USE_DRZ80)\r
- return cycles - DrZ80Run(&drZ80, cycles);\r
-#elif defined(_USE_CZ80)\r
- return Cz80_Exec(&CZ80, cycles);\r
-#else\r
- return cycles;\r
-#endif\r
-}\r
\r
PICO_INTERNAL void z80_pack(unsigned char *data)\r
{\r