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basic psp snd + cz80

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@280 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2007-10-26 20:08:13 +00:00
parent 8ab3e3c1cf
commit a4221917e1
16 changed files with 5127 additions and 62 deletions
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35
Pico/sound/sound.c
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@ -15,6 +15,8 @@
#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"
@ -329,7 +331,6 @@ static void DrZ80_irq_callback()
{
drZ80.Z80_IRQ = 0; // lower irq when accepted
}
#endif
// z80 functionality wrappers
@ -353,7 +354,6 @@ PICO_INTERNAL void z80_init(void)
mz80SetContext(&z80);
#elif defined(_USE_DRZ80)
memset(&drZ80, 0, sizeof(struct DrZ80));
drZ80.z80_rebasePC=DrZ80_rebasePC;
drZ80.z80_rebaseSP=DrZ80_rebaseSP;
@ -364,6 +364,14 @@ PICO_INTERNAL void z80_init(void)
drZ80.z80_in =DrZ80_in;
drZ80.z80_out =DrZ80_out;
drZ80.z80_irq_callback=DrZ80_irq_callback;
#elif defined(_USE_CZ80)
memset(&CZ80, 0, sizeof(CZ80));
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_WriteB(&CZ80, z80_write);
#endif
}
@ -380,6 +388,8 @@ PICO_INTERNAL void z80_reset(void)
drZ80.Z80IM = 0; // 1?
drZ80.Z80PC = drZ80.z80_rebasePC(0);
drZ80.Z80SP = drZ80.z80_rebaseSP(0x2000); // 0xf000 ?
#elif defined(_USE_CZ80)
Cz80_Reset(&CZ80);
#endif
Pico.m.z80_fakeval = 0; // for faking when Z80 is disabled
}
@ -398,6 +408,8 @@ PICO_INTERNAL void z80_int(void)
#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
}
@ -410,6 +422,8 @@ PICO_INTERNAL int z80_run(int 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
@ -427,13 +441,17 @@ PICO_INTERNAL void z80_pack(unsigned char *data)
drZ80.Z80PC = drZ80.z80_rebasePC(drZ80.Z80PC-drZ80.Z80PC_BASE);
drZ80.Z80SP = drZ80.z80_rebaseSP(drZ80.Z80SP-drZ80.Z80SP_BASE);
memcpy(data+4, &drZ80, 0x54);
#elif defined(_USE_CZ80)
*(int *)data = 0x00007a43; // "Cz"
memcpy(data+4, &CZ80, (INT32)&CZ80.BasePC - (INT32)&CZ80);
printf("size: %i (%x)\n", (INT32)&CZ80.BasePC - (INT32)&CZ80, (INT32)&CZ80.BasePC - (INT32)&CZ80); // FIXME rm
#endif
}
PICO_INTERNAL void z80_unpack(unsigned char *data)
{
#if defined(_USE_MZ80)
if(*(int *)data == 0x00005A6D) { // "mZ" save?
if (*(int *)data == 0x00005A6D) { // "mZ" save?
struct mz80context mz80;
mz80GetContext(&mz80);
memcpy(&mz80.z80clockticks, data+4, sizeof(mz80)-5*4);
@ -443,7 +461,7 @@ PICO_INTERNAL void z80_unpack(unsigned char *data)
z80_int();
}
#elif defined(_USE_DRZ80)
if(*(int *)data == 0x015A7244) { // "DrZ" v1 save?
if (*(int *)data == 0x015A7244) { // "DrZ" v1 save?
memcpy(&drZ80, data+4, 0x54);
// update bases
drZ80.Z80PC = drZ80.z80_rebasePC(drZ80.Z80PC-drZ80.Z80PC_BASE);
@ -453,6 +471,13 @@ PICO_INTERNAL void z80_unpack(unsigned char *data)
drZ80.Z80IM = 1;
z80_int(); // try to goto int handler, maybe we won't execute trash there?
}
#elif defined(_USE_CZ80)
if (*(int *)data == 0x00007a43) // "Cz" save?
memcpy(&CZ80, data+4, (INT32)&CZ80.BasePC - (INT32)&CZ80);
else {
z80_reset();
z80_int();
}
#endif
}
@ -468,6 +493,8 @@ PICO_INTERNAL void z80_debug(char *dstr)
{
#if defined(_USE_DRZ80)
sprintf(dstr, "Z80 state: PC: %04x SP: %04x\n", drZ80.Z80PC-drZ80.Z80PC_BASE, drZ80.Z80SP-drZ80.Z80SP_BASE);
#elif defined(_USE_CZ80)
sprintf(dstr, "Z80 state: PC: %04x SP: %04x\n", CZ80.PC - CZ80.BasePC, CZ80.SP.W);
#endif
}
#endif