RaySollium99/picodrive
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optimizations, fixes, hacks, psp, ...

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@295 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2007-11-15 23:01:20 +00:00
parent 8022f53da6
commit b542be4686
37 changed files with 928 additions and 548 deletions
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60
Pico/sound/sound.c
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@ -1,7 +1,7 @@
// This is part of Pico Library
// (c) Copyright 2004 Dave, All rights reserved.
// (c) Copyright 2006 notaz, All rights reserved.
// (c) Copyright 2006,2007 notaz, All rights reserved.
// Free for non-commercial use.
// For commercial use, separate licencing terms must be obtained.
@ -11,14 +11,6 @@
#include "ym2612.h"
#include "sn76496.h"
#if defined(_USE_MZ80)
#include "../../cpu/mz80/mz80.h"
#elif defined(_USE_DRZ80)
#include "../../cpu/DrZ80/drz80.h"
#elif defined(_USE_CZ80)
#include "../../cpu/cz80/cz80.h"
#endif
#include "../PicoInt.h"
#include "../cd/pcm.h"
#include "mix.h"
@ -36,11 +28,6 @@ int PsndLen_exc_add=0; // this is for non-integer sample counts per line, eg. 22
int PsndLen_exc_cnt=0;
short *PsndOut=NULL; // PCM data buffer
// from ym2612.c
extern int *ym2612_dacen;
extern INT32 *ym2612_dacout;
void YM2612TimerHandler(int c,int cnt);
// sn76496
extern int *sn76496_regs;
@ -306,9 +293,16 @@ static struct z80PortWrite mz80_io_write[]={
{(UINT16) -1,(UINT16) -1,NULL}
};
int mz80_run(int cycles)
{
int ticks_pre = mz80GetElapsedTicks(0);
mz80exec(cycles);
return mz80GetElapsedTicks(0) - ticks_pre;
}
#elif defined(_USE_DRZ80)
static struct DrZ80 drZ80;
struct DrZ80 drZ80;
static unsigned int DrZ80_rebasePC(unsigned short a)
{
@ -379,7 +373,7 @@ PICO_INTERNAL void z80_init(void)
Cz80_Init(&CZ80);
Cz80_Set_Fetch(&CZ80, 0x0000, 0x1fff, (UINT32)Pico.zram); // main RAM
Cz80_Set_Fetch(&CZ80, 0x2000, 0x3fff, (UINT32)Pico.zram - 0x2000); // mirror
Cz80_Set_ReadB(&CZ80, (UINT8 (*)(UINT32 address))z80_read);
Cz80_Set_ReadB(&CZ80, (UINT8 (*)(UINT32 address))z80_read); // unused (hacked in)
Cz80_Set_WriteB(&CZ80, z80_write);
Cz80_Set_INPort(&CZ80, z80_in);
Cz80_Set_OUTPort(&CZ80, z80_out);
@ -405,40 +399,6 @@ PICO_INTERNAL void z80_reset(void)
Pico.m.z80_fakeval = 0; // for faking when Z80 is disabled
}
PICO_INTERNAL void z80_resetCycles(void)
{
#if defined(_USE_MZ80)
mz80GetElapsedTicks(1);
#endif
}
PICO_INTERNAL void z80_int(void)
{
#if defined(_USE_MZ80)
mz80int(0);
#elif defined(_USE_DRZ80)
drZ80.z80irqvector = 0xFF; // default IRQ vector RST opcode
drZ80.Z80_IRQ = 1;
#elif defined(_USE_CZ80)
Cz80_Set_IRQ(&CZ80, 0, HOLD_LINE);
#endif
}
// returns number of cycles actually executed
PICO_INTERNAL int z80_run(int cycles)
{
#if defined(_USE_MZ80)
int ticks_pre = mz80GetElapsedTicks(0);
mz80exec(cycles);
return mz80GetElapsedTicks(0) - ticks_pre;
#elif defined(_USE_DRZ80)
return cycles - DrZ80Run(&drZ80, cycles);
#elif defined(_USE_CZ80)
return Cz80_Exec(&CZ80, cycles);
#else
return cycles;
#endif
}
PICO_INTERNAL void z80_pack(unsigned char *data)
{