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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30
Pico/cd/LC89510.c
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@ -114,6 +114,13 @@ void Update_CDC_TRansfer(int which)
for (len = length; len > 0; len--, src+=2, dest+=2)
*dest = (src[0]<<8) | src[1];
{ // debug
unsigned char *b1 = Pico_mcd->word_ram + dep;
unsigned char *b2 = (unsigned char *)dest - 8;
dprintf("%02x %02x %02x %02x .. %02x %02x %02x %02x",
b1[0], b1[1], b1[4], b1[5], b2[0], b2[1], b2[4], b2[5]);
}
}
else
{
@ -124,6 +131,13 @@ void Update_CDC_TRansfer(int which)
for (len = length; len > 0; len--, src+=2, dest++)
*dest = (src[0]<<8) | src[1];
{ // debug
unsigned char *b1 = Pico_mcd->word_ram + dep;
unsigned char *b2 = (unsigned char *)dest - 4;
dprintf("%02x %02x %02x %02x .. %02x %02x %02x %02x",
b1[0], b1[1], b1[2], b1[3], b2[0], b2[1], b2[2], b2[3]);
}
}
}
else if (which == 4) // PCM RAM
@ -132,7 +146,7 @@ void Update_CDC_TRansfer(int which)
dest = (unsigned char *) Ram_PCM;
dep = ((DMA_Adr & 0x03FF) << 2) + PCM_Chip.Bank;
#else
cdprintf("CD DMA # %04x -> PCD TODO", Pico_mcd->cdc.DAC.N);
cdprintf("CD DMA # %04x -> PCM TODO", Pico_mcd->cdc.DAC.N);
#endif
}
else if (which == 5) // PRG RAM
@ -144,12 +158,26 @@ void Update_CDC_TRansfer(int which)
for (len = length; len > 0; len--, src+=2, dest++)
*dest = (src[0]<<8) | src[1];
{ // debug
unsigned char *b1 = Pico_mcd->prg_ram + dep;
unsigned char *b2 = (unsigned char *)dest - 4;
dprintf("%02x %02x %02x %02x .. %02x %02x %02x %02x",
b1[0], b1[1], b1[2], b1[3], b2[0], b2[1], b2[2], b2[3]);
}
}
length <<= 1;
Pico_mcd->cdc.DAC.N = (Pico_mcd->cdc.DAC.N + length) & 0xFFFF;
if (Pico_mcd->scd.Status_CDC & 0x08) Pico_mcd->cdc.DBC.N -= length;
else Pico_mcd->cdc.DBC.N = 0;
// update DMA_Adr
length >>= 2;
if (which != 4) length >>= 1;
DMA_Adr += length;
Pico_mcd->s68k_regs[0xA] = DMA_Adr >> 8;
Pico_mcd->s68k_regs[0xB] = DMA_Adr;
}