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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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34
src/vid_tkd8001_ramdac.c
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@ -7,29 +7,29 @@
static int tkd8001_state=0;
static uint8_t tkd8001_ctrl;
void tkd8001_ramdac_out(uint16_t addr, uint8_t val, void *priv)
void tkd8001_ramdac_out(uint16_t addr, uint8_t val, tkd8001_ramdac_t *ramdac, svga_t *svga)
{
// pclog("OUT RAMDAC %04X %02X %04X:%04X\n",addr,val,CS,pc);
switch (addr)
{
case 0x3C6:
if (tkd8001_state == 4)
if (ramdac->state == 4)
{
tkd8001_state = 0;
tkd8001_ctrl = val;
switch (val>>5)
ramdac->state = 0;
ramdac->ctrl = val;
switch (val >> 5)
{
case 0: case 1: case 2: case 3:
bpp = 8;
svga->bpp = 8;
break;
case 5:
bpp = 15;
svga->bpp = 15;
break;
case 6:
bpp = 24;
svga->bpp = 24;
break;
case 7:
bpp = 16;
svga->bpp = 16;
break;
}
return;
@ -37,28 +37,28 @@ void tkd8001_ramdac_out(uint16_t addr, uint8_t val, void *priv)
// tkd8001_state = 0;
break;
case 0x3C7: case 0x3C8: case 0x3C9:
tkd8001_state = 0;
ramdac->state = 0;
break;
}
svga_out(addr, val, NULL);
svga_out(addr, val, svga);
}
uint8_t tkd8001_ramdac_in(uint16_t addr, void *priv)
uint8_t tkd8001_ramdac_in(uint16_t addr, tkd8001_ramdac_t *ramdac, svga_t *svga)
{
// pclog("IN RAMDAC %04X %04X:%04X\n",addr,CS,pc);
switch (addr)
{
case 0x3C6:
if (tkd8001_state == 4)
if (ramdac->state == 4)
{
//tkd8001_state = 0;
return tkd8001_ctrl;
return ramdac->ctrl;
}
tkd8001_state++;
ramdac->state++;
break;
case 0x3C7: case 0x3C8: case 0x3C9:
tkd8001_state = 0;
ramdac->state = 0;
break;
}
return svga_in(addr, NULL);
return svga_in(addr, svga);
}