RaySollium99/picodrive
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1.14 release

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@29 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2007-02-05 22:23:19 +00:00
parent 4f265db776
commit 1cd356a33d
7 changed files with 74 additions and 41 deletions
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58
Pico/cd/Memory.c
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@ -43,7 +43,7 @@ static u32 m68k_reg_read16(u32 a)
goto end;
case 2:
d = (Pico_mcd->s68k_regs[a]<<8) | (Pico_mcd->s68k_regs[a+1]&0xc7);
dprintf("m68k_regs r3: %02x @%06x", (u8)d, SekPc);
dprintf("m68k_regs r3: %02x @%06x", (u8)d, SekPcS68k);
goto end;
case 4:
d = Pico_mcd->s68k_regs[4]<<8;
@ -59,7 +59,8 @@ static u32 m68k_reg_read16(u32 a)
goto end;
case 0xC:
dprintf("m68k stopwatch timer read");
break;
d = Pico_mcd->m.timer_stopwatch >> 16;
goto end;
}
if (a < 0x30) {
@ -123,9 +124,6 @@ static void m68k_reg_write8(u32 a, u32 d)
return;
case 0xe:
//dprintf("m68k: comm flag: %02x", d);
//dprintf("s68k @ %06x", SekPcS68k);
Pico_mcd->s68k_regs[0xe] = d;
return;
}
@ -218,6 +216,10 @@ static void s68k_reg_write8(u32 a, u32 d)
dprintf("s68k set stopwatch timer");
Pico_mcd->m.timer_stopwatch = 0;
return;
case 0xe:
Pico_mcd->s68k_regs[0Xf] = (d>>1) | (d<<7); // ror8, Gens note: Dragons lair
Pico_mcd->m.timer_stopwatch = 0;
return;
case 0x31:
dprintf("s68k set int3 timer: %02x", d);
Pico_mcd->m.timer_int3 = d << 16;
@ -247,9 +249,9 @@ static void s68k_reg_write8(u32 a, u32 d)
return;
}
if ((a&0x1f0) == 0x10 || a == 0x0e || (a >= 0x38 && a < 0x42))
if ((a&0x1f0) == 0x10 || (a >= 0x38 && a < 0x42))
{
dprintf("m68k: invalid write @ %02x?", a);
dprintf("s68k: invalid write @ %02x?", a);
return;
}
@ -813,7 +815,7 @@ u8 PicoReadS68k8(u32 a)
// word RAM (2M area)
if ((a&0xfc0000)==0x080000) { // 080000-0bffff
dprintf("s68k_wram2M r8: [%06x] @%06x", a, SekPc);
dprintf("s68k_wram2M r8: [%06x] @%06x", a, SekPcS68k);
if (Pico_mcd->s68k_regs[3]&4) { // 1M mode?
// TODO (decode)
dprintf("(decode)");
@ -827,7 +829,7 @@ u8 PicoReadS68k8(u32 a)
// word RAM (1M area)
if ((a&0xfe0000)==0x0c0000 && (Pico_mcd->s68k_regs[3]&4)) { // 0c0000-0dffff
dprintf("s68k_wram1M r8: [%06x] @%06x", a, SekPc);
dprintf("s68k_wram1M r8: [%06x] @%06x", a, SekPcS68k);
a=((a&0x1fffe)<<1)|(a&1);
if (!(Pico_mcd->s68k_regs[3]&1)) a+=2;
d = Pico_mcd->word_ram[a^1];
@ -837,7 +839,7 @@ u8 PicoReadS68k8(u32 a)
// PCM
if ((a&0xff8000)==0xff0000) {
dprintf("s68k_pcm r8: [%06x] @%06x", a, SekPc);
dprintf("s68k_pcm r8: [%06x] @%06x", a, SekPcS68k);
a &= 0x7fff;
if (a >= 0x2000)
d = Pico_mcd->pcm_ram_b[Pico_mcd->pcm.bank][(a>>1)&0xfff];
@ -892,7 +894,7 @@ u16 PicoReadS68k16(u32 a)
// word RAM (2M area)
if ((a&0xfc0000)==0x080000) { // 080000-0bffff
dprintf("s68k_wram2M r16: [%06x] @%06x", a, SekPc);
dprintf("s68k_wram2M r16: [%06x] @%06x", a, SekPcS68k);
if (Pico_mcd->s68k_regs[3]&4) { // 1M mode?
// TODO (decode)
dprintf("(decode)");
@ -906,7 +908,7 @@ u16 PicoReadS68k16(u32 a)
// word RAM (1M area)
if ((a&0xfe0000)==0x0c0000 && (Pico_mcd->s68k_regs[3]&4)) { // 0c0000-0dffff
dprintf("s68k_wram1M r16: [%06x] @%06x", a, SekPc);
dprintf("s68k_wram1M r16: [%06x] @%06x", a, SekPcS68k);
a=((a&0x1fffe)<<1);
if (!(Pico_mcd->s68k_regs[3]&1)) a+=2;
d = *(u16 *)(Pico_mcd->word_ram+a);
@ -916,7 +918,7 @@ u16 PicoReadS68k16(u32 a)
// bram
if ((a&0xff0000)==0xfe0000) {
dprintf("s68k_bram r16: [%06x] @%06x", a, SekPc);
dprintf("s68k_bram r16: [%06x] @%06x", a, SekPcS68k);
a = (a>>1)&0x1fff;
d = Pico_mcd->bram[a++]; // Gens does little endian here, and so do we..
d|= Pico_mcd->bram[a++] << 8;
@ -926,7 +928,7 @@ u16 PicoReadS68k16(u32 a)
// PCM
if ((a&0xff8000)==0xff0000) {
dprintf("s68k_pcm r16: [%06x] @%06x", a, SekPc);
dprintf("s68k_pcm r16: [%06x] @%06x", a, SekPcS68k);
a &= 0x7fff;
if (a >= 0x2000)
d = Pico_mcd->pcm_ram_b[Pico_mcd->pcm.bank][(a>>1)&0xfff];
@ -976,7 +978,7 @@ u32 PicoReadS68k32(u32 a)
// word RAM (2M area)
if ((a&0xfc0000)==0x080000) { // 080000-0bffff
dprintf("s68k_wram2M r32: [%06x] @%06x", a, SekPc);
dprintf("s68k_wram2M r32: [%06x] @%06x", a, SekPcS68k);
if (Pico_mcd->s68k_regs[3]&4) { // 1M mode?
// TODO (decode)
dprintf("(decode)");
@ -990,7 +992,7 @@ u32 PicoReadS68k32(u32 a)
// word RAM (1M area)
if ((a&0xfe0000)==0x0c0000 && (Pico_mcd->s68k_regs[3]&4)) { // 0c0000-0dffff
dprintf("s68k_wram1M r32: [%06x] @%06x", a, SekPc);
dprintf("s68k_wram1M r32: [%06x] @%06x", a, SekPcS68k);
a=((a&0x1fffe)<<1);
if (!(Pico_mcd->s68k_regs[3]&1)) a+=2;
d = *(u16 *)(Pico_mcd->word_ram+a) << 16;
@ -1001,7 +1003,7 @@ u32 PicoReadS68k32(u32 a)
// PCM
if ((a&0xff8000)==0xff0000) {
dprintf("s68k_pcm r32: [%06x] @%06x", a, SekPc);
dprintf("s68k_pcm r32: [%06x] @%06x", a, SekPcS68k);
a &= 0x7fff;
if (a >= 0x2000) {
a >>= 1;
@ -1024,7 +1026,7 @@ u32 PicoReadS68k32(u32 a)
// bram
if ((a&0xff0000)==0xfe0000) {
dprintf("s68k_bram r32: [%06x] @%06x", a, SekPc);
dprintf("s68k_bram r32: [%06x] @%06x", a, SekPcS68k);
a = (a>>1)&0x1fff;
d = Pico_mcd->bram[a++] << 16; // middle endian? TODO: verify against Fusion..
d|= Pico_mcd->bram[a++] << 24;
@ -1074,7 +1076,7 @@ void PicoWriteS68k8(u32 a,u8 d)
// word RAM (2M area)
if ((a&0xfc0000)==0x080000) { // 080000-0bffff
dprintf("s68k_wram2M w8: [%06x] %02x @%06x", a, d, SekPc);
dprintf("s68k_wram2M w8: [%06x] %02x @%06x", a, d, SekPcS68k);
if (Pico_mcd->s68k_regs[3]&4) { // 1M mode?
// TODO (decode)
dprintf("(decode)");
@ -1088,7 +1090,7 @@ void PicoWriteS68k8(u32 a,u8 d)
// word RAM (1M area)
if ((a&0xfe0000)==0x0c0000 && (Pico_mcd->s68k_regs[3]&4)) { // 0c0000-0dffff
if (d)
dprintf("s68k_wram1M w8: [%06x] %02x @%06x", a, d, SekPc);
dprintf("s68k_wram1M w8: [%06x] %02x @%06x", a, d, SekPcS68k);
a=((a&0x1fffe)<<1)|(a&1);
if (!(Pico_mcd->s68k_regs[3]&1)) a+=2;
*(u8 *)(Pico_mcd->word_ram+(a^1))=d;
@ -1137,6 +1139,10 @@ void PicoWriteS68k16(u32 a,u16 d)
if (a >= 0x50 && a < 0x68)
gfx_cd_write(a, d);
else {
if (a == 0xe) { // special case, 2 byte writes would be handled differently
Pico_mcd->s68k_regs[0xf] = d;
return;
}
s68k_reg_write8(a, d>>8);
s68k_reg_write8(a+1,d&0xff);
}
@ -1145,7 +1151,7 @@ void PicoWriteS68k16(u32 a,u16 d)
// word RAM (2M area)
if ((a&0xfc0000)==0x080000) { // 080000-0bffff
dprintf("s68k_wram2M w16: [%06x] %04x @%06x", a, d, SekPc);
dprintf("s68k_wram2M w16: [%06x] %04x @%06x", a, d, SekPcS68k);
if (Pico_mcd->s68k_regs[3]&4) { // 1M mode?
// TODO (decode)
dprintf("(decode)");
@ -1159,7 +1165,7 @@ void PicoWriteS68k16(u32 a,u16 d)
// word RAM (1M area)
if ((a&0xfe0000)==0x0c0000 && (Pico_mcd->s68k_regs[3]&4)) { // 0c0000-0dffff
if (d)
dprintf("s68k_wram1M w16: [%06x] %04x @%06x", a, d, SekPc);
dprintf("s68k_wram1M w16: [%06x] %04x @%06x", a, d, SekPcS68k);
a=((a&0x1fffe)<<1);
if (!(Pico_mcd->s68k_regs[3]&1)) a+=2;
*(u16 *)(Pico_mcd->word_ram+a)=d;
@ -1178,7 +1184,7 @@ void PicoWriteS68k16(u32 a,u16 d)
// bram
if ((a&0xff0000)==0xfe0000) {
dprintf("s68k_bram w16: [%06x] %04x @%06x", a, d, SekPc);
dprintf("s68k_bram w16: [%06x] %04x @%06x", a, d, SekPcS68k);
a = (a>>1)&0x1fff;
Pico_mcd->bram[a++] = d; // Gens does little endian here, an so do we..
Pico_mcd->bram[a++] = d >> 8;
@ -1223,7 +1229,7 @@ void PicoWriteS68k32(u32 a,u32 d)
// word RAM (2M area)
if ((a&0xfc0000)==0x080000) { // 080000-0bffff
dprintf("s68k_wram2M w32: [%06x] %08x @%06x", a, d, SekPc);
dprintf("s68k_wram2M w32: [%06x] %08x @%06x", a, d, SekPcS68k);
if (Pico_mcd->s68k_regs[3]&4) { // 1M mode?
// TODO (decode)
dprintf("(decode)");
@ -1238,7 +1244,7 @@ void PicoWriteS68k32(u32 a,u32 d)
// word RAM (1M area)
if ((a&0xfe0000)==0x0c0000 && (Pico_mcd->s68k_regs[3]&4)) { // 0c0000-0dffff
if (d)
dprintf("s68k_wram1M w32: [%06x] %08x @%06x", a, d, SekPc);
dprintf("s68k_wram1M w32: [%06x] %08x @%06x", a, d, SekPcS68k);
a=((a&0x1fffe)<<1);
if (!(Pico_mcd->s68k_regs[3]&1)) a+=2;
*(u16 *)(Pico_mcd->word_ram+a) = d>>16;
@ -1263,7 +1269,7 @@ void PicoWriteS68k32(u32 a,u32 d)
// bram
if ((a&0xff0000)==0xfe0000) {
dprintf("s68k_bram w32: [%06x] %08x @%06x", a, d, SekPc);
dprintf("s68k_bram w32: [%06x] %08x @%06x", a, d, SekPcS68k);
a = (a>>1)&0x1fff;
Pico_mcd->bram[a++] = d >> 16; // middle endian? verify?
Pico_mcd->bram[a++] = d >> 24;