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Video optimisations. Fixed VRAM mask on S3.

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This commit is contained in:
TomW 2013-07-09 19:30:53 +01:00
commit f431e74917
19 changed files with 372 additions and 234 deletions
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2
src/808x.c
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@ -812,14 +812,12 @@ static void setsbc16(uint16_t a, uint16_t b)
if (((a&0xF)-(b&0xF))&0x10) flags|=A_FLAG;
}
int totaldiff = 0;
int current_diff = 0;
void clockhardware()
{
int diff = cycdiff - cycles - current_diff;
current_diff += diff;
totaldiff += diff;
pit.c[0] -= diff;
pit.c[1] -= diff;
if (ppi.pb & 1) pit.c[2] -= diff;