RaySollium99/picodrive
1
0
Fork 0
mirror of https://github.com/RaySollium99/picodrive.git synced 2025-09-05 15:27:46 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

region detection, cd states wip, fixes, stuff

Browse source 
git-svn-id: file:///home/notaz/opt/svn/PicoDrive@25 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2007-01-28 22:51:16 +00:00
parent cb0316e4c5
commit 51a902ae25
26 changed files with 520 additions and 291 deletions
Download patch file Download diff file Expand all files Collapse all files

26
Pico/cd/LC89510.c
View file

@ -15,8 +15,6 @@
#define CDC_DMA_SPEED 256
int CDC_Decode_Reg_Read; // 2 context?
static void CDD_Reset(void)
{
@ -55,7 +53,7 @@ static void CDC_Reset(void)
Pico_mcd->cdc.IFCTRL = 0;
Pico_mcd->cdc.CTRL.N = 0;
CDC_Decode_Reg_Read = 0;
Pico_mcd->cdd.CDC_Decode_Reg_Read = 0;
Pico_mcd->scd.Status_CDC &= ~0x08;
}
@ -259,7 +257,7 @@ unsigned char CDC_Read_Reg(void)
case 0x1: // IFSTAT
cdprintf("CDC read reg 01 = %.2X", Pico_mcd->cdc.IFSTAT);
CDC_Decode_Reg_Read |= (1 << 1); // Reg 1 (decoding)
Pico_mcd->cdd.CDC_Decode_Reg_Read |= (1 << 1); // Reg 1 (decoding)
Pico_mcd->s68k_regs[5] = 0x2;
return Pico_mcd->cdc.IFSTAT;
@ -278,42 +276,42 @@ unsigned char CDC_Read_Reg(void)
case 0x4: // HEAD0
cdprintf("CDC read reg 04 = %.2X", Pico_mcd->cdc.HEAD.B.B0);
CDC_Decode_Reg_Read |= (1 << 4); // Reg 4 (decoding)
Pico_mcd->cdd.CDC_Decode_Reg_Read |= (1 << 4); // Reg 4 (decoding)
Pico_mcd->s68k_regs[5] = 0x5;
return Pico_mcd->cdc.HEAD.B.B0;
case 0x5: // HEAD1
cdprintf("CDC read reg 05 = %.2X", Pico_mcd->cdc.HEAD.B.B1);
CDC_Decode_Reg_Read |= (1 << 5); // Reg 5 (decoding)
Pico_mcd->cdd.CDC_Decode_Reg_Read |= (1 << 5); // Reg 5 (decoding)
Pico_mcd->s68k_regs[5] = 0x6;
return Pico_mcd->cdc.HEAD.B.B1;
case 0x6: // HEAD2
cdprintf("CDC read reg 06 = %.2X", Pico_mcd->cdc.HEAD.B.B2);
CDC_Decode_Reg_Read |= (1 << 6); // Reg 6 (decoding)
Pico_mcd->cdd.CDC_Decode_Reg_Read |= (1 << 6); // Reg 6 (decoding)
Pico_mcd->s68k_regs[5] = 0x7;
return Pico_mcd->cdc.HEAD.B.B2;
case 0x7: // HEAD3
cdprintf("CDC read reg 07 = %.2X", Pico_mcd->cdc.HEAD.B.B3);
CDC_Decode_Reg_Read |= (1 << 7); // Reg 7 (decoding)
Pico_mcd->cdd.CDC_Decode_Reg_Read |= (1 << 7); // Reg 7 (decoding)
Pico_mcd->s68k_regs[5] = 0x8;
return Pico_mcd->cdc.HEAD.B.B3;
case 0x8: // PTL
cdprintf("CDC read reg 08 = %.2X", Pico_mcd->cdc.PT.B.L);
CDC_Decode_Reg_Read |= (1 << 8); // Reg 8 (decoding)
Pico_mcd->cdd.CDC_Decode_Reg_Read |= (1 << 8); // Reg 8 (decoding)
Pico_mcd->s68k_regs[5] = 0x9;
return Pico_mcd->cdc.PT.B.L;
case 0x9: // PTH
cdprintf("CDC read reg 09 = %.2X", Pico_mcd->cdc.PT.B.H);
CDC_Decode_Reg_Read |= (1 << 9); // Reg 9 (decoding)
Pico_mcd->cdd.CDC_Decode_Reg_Read |= (1 << 9); // Reg 9 (decoding)
Pico_mcd->s68k_regs[5] = 0xA;
return Pico_mcd->cdc.PT.B.H;
@ -332,21 +330,21 @@ unsigned char CDC_Read_Reg(void)
case 0xC: // STAT0
cdprintf("CDC read reg 12 = %.2X", Pico_mcd->cdc.STAT.B.B0);
CDC_Decode_Reg_Read |= (1 << 12); // Reg 12 (decoding)
Pico_mcd->cdd.CDC_Decode_Reg_Read |= (1 << 12); // Reg 12 (decoding)
Pico_mcd->s68k_regs[5] = 0xD;
return Pico_mcd->cdc.STAT.B.B0;
case 0xD: // STAT1
cdprintf("CDC read reg 13 = %.2X", Pico_mcd->cdc.STAT.B.B1);
CDC_Decode_Reg_Read |= (1 << 13); // Reg 13 (decoding)
Pico_mcd->cdd.CDC_Decode_Reg_Read |= (1 << 13); // Reg 13 (decoding)
Pico_mcd->s68k_regs[5] = 0xE;
return Pico_mcd->cdc.STAT.B.B1;
case 0xE: // STAT2
cdprintf("CDC read reg 14 = %.2X", Pico_mcd->cdc.STAT.B.B2);
CDC_Decode_Reg_Read |= (1 << 14); // Reg 14 (decoding)
Pico_mcd->cdd.CDC_Decode_Reg_Read |= (1 << 14); // Reg 14 (decoding)
Pico_mcd->s68k_regs[5] = 0xF;
return Pico_mcd->cdc.STAT.B.B2;
@ -357,7 +355,7 @@ unsigned char CDC_Read_Reg(void)
Pico_mcd->cdc.IFSTAT |= 0x20; // decoding interrupt flag cleared
if ((Pico_mcd->cdc.CTRL.B.B0 & 0x80) && (Pico_mcd->cdc.IFCTRL & 0x20))
{
if ((CDC_Decode_Reg_Read & 0x73F2) == 0x73F2)
if ((Pico_mcd->cdd.CDC_Decode_Reg_Read & 0x73F2) == 0x73F2)
Pico_mcd->cdc.STAT.B.B3 = 0x80;
}
return ret;