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Re-organisation of video emulation.

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This commit is contained in:
TomW 2013-06-24 20:42:35 +01:00
commit 58085bcc87
86 changed files with 8087 additions and 7229 deletions
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11
src/dma.c
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@ -213,7 +213,7 @@ void dma_page_write(uint16_t addr, uint8_t val, void *priv)
{
/* if (!(addr&0xF))
{*/
pclog("Write page %03X %02X %04X:%04X\n",addr,val,CS,pc);
// pclog("Write page %03X %02X %04X:%04X\n",addr,val,CS,pc);
// if (val==0x29 && pc==0xD25) output=1;
// }
dmapages[addr&0xF]=val;
@ -258,12 +258,12 @@ uint8_t _dma_read(uint32_t addr)
{
switch (addr&0xFFFF8000)
{
case 0xA0000: case 0xA8000:
/* case 0xA0000: case 0xA8000:
return video_read_a000(addr, NULL);
case 0xB0000:
return video_read_b000(addr, NULL);
case 0xB8000:
return video_read_b800(addr, NULL);
return video_read_b800(addr, NULL);*/
}
if (isram[addr>>16]) return ram[addr];
return 0xff;
@ -271,9 +271,10 @@ uint8_t _dma_read(uint32_t addr)
void _dma_write(uint32_t addr, uint8_t val)
{
pclog("_dma_write %08X %02X\n", addr, val);
switch (addr&0xFFFF8000)
{
case 0xA0000: case 0xA8000:
/* case 0xA0000: case 0xA8000:
video_write_a000(addr,val, NULL);
return;
case 0xB0000:
@ -284,7 +285,7 @@ void _dma_write(uint32_t addr, uint8_t val)
return;
case 0xC0000: case 0xC8000: case 0xD0000: case 0xD8000:
case 0xE0000: case 0xE8000: case 0xF0000: case 0xF8000:
return;
return;*/
}
if (isram[addr >> 16])
ram[addr] = val;