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Mach64 changes :

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- No longer crashes PCem when remapping (mostly seen when changing resolution in Windows)
- Added PCI registers
- Added LFB emulation (PCI only)
- Source pattern modes now work correctly
- Vsync flag now emulated correctly
- Scrolling in accelerator modes now works correctly

Also disabled some debug.
This commit is contained in:
TomW 2013-10-12 16:20:27 +01:00
commit 1c623fe1fc
6 changed files with 293 additions and 83 deletions
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8
src/vid_ics2595.c
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@ -15,12 +15,12 @@ static int ics2595_div[4] = {8, 4, 2, 1};
void ics2595_write(ics2595_t *ics2595, int strobe, int dat)
{
pclog("ics2595_write : %i %i\n", strobe, dat);
// pclog("ics2595_write : %i %i\n", strobe, dat);
if (strobe)
{
if ((dat & 8) && !ics2595->oldfs3) /*Data clock*/
{
pclog(" - new dat %i\n", dat & 4);
// pclog(" - new dat %i\n", dat & 4);
switch (ics2595->state)
{
case ICS2595_IDLE:
@ -35,13 +35,13 @@ void ics2595_write(ics2595_t *ics2595, int strobe, int dat)
if (ics2595->pos == 20)
{
int d, n, l;
pclog("ICS2595_WRITE : dat %08X\n", ics2595->dat);
// pclog("ICS2595_WRITE : dat %08X\n", ics2595->dat);
l = (ics2595->dat >> 2) & 0xf;
n = ((ics2595->dat >> 7) & 255) + 257;
d = ics2595_div[(ics2595->dat >> 16) & 3];
ics2595->clocks[l] = (14318181.8 * ((double)n / 46.0)) / (double)d;
pclog("ICS2595 clock set - L %i N %i D %i freq = %f\n", l, n, d, (14318181.8 * ((double)n / 46.0)) / (double)d);
// pclog("ICS2595 clock set - L %i N %i D %i freq = %f\n", l, n, d, (14318181.8 * ((double)n / 46.0)) / (double)d);
ics2595->state = ICS2595_IDLE;
}
break;