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games/nes: fixed reload flags

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This commit is contained in:
aiju 2014-02-25 23:18:26 +01:00
parent d8489586ec
commit 1a67cd2c44
1 changed files with 6 additions and 4 deletions
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10
sys/src/games/nes/apu.c
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@ -80,9 +80,10 @@ doenv(void)
if(i == 2)
continue;
m = mem[0x4000 + 4 * i];
if((apuctr[RELOAD] & (1<<i)) != 0)
if((apuctr[RELOAD] & (1<<i)) != 0){
*a = 0xf0 | m & 0x0f;
else if((*a & 0x0f) == 0){
apuctr[RELOAD] &= ~(1<<i);
}else if((*a & 0x0f) == 0){
*a |= m & 0x0f;
if((*a & 0xf0) == 0){
if((m & 0x20) != 0)
@ -93,9 +94,10 @@ doenv(void)
(*a)--;
}
a = apuctr + TRILIN;
if((*a & 0x80) != 0)
if((apuctr[RELOAD] & (1<<2)) != 0){
*a = mem[0x4008];
else if(*a != 0)
apuctr[RELOAD] &= ~(1<<2);
}else if(*a != 0)
(*a)--;
}