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games/snes: fix flickering sprite bug

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This commit is contained in:
aiju 2014-03-15 10:06:18 +01:00
parent 442d17ab18
commit 55ea9a80b1
1 changed files with 2 additions and 4 deletions
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6
sys/src/games/snes/mem.c
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@ -203,12 +203,10 @@ regwrite(u16int p, u8int v)
}
switch(p){
case 0x2102:
oamaddr &= 0x200;
oamaddr |= v << 1;
oamaddr = (reg[0x2103] & 1) << 9 | v << 1;
break;
case 0x2103:
oamaddr &= 0x1fe;
oamaddr |= (v & 1) << 9;
oamaddr = (v & 1) << 9 | reg[0x2102];
break;
case 0x2104:
if((oamaddr & 1) == 0)