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games/nes: it's too late to write code

--- a/sys/src/games/nes/apu.c

+++ b/sys/src/games/nes/apu.c

@@ -94,11 +94,12 @@

 			(*a)--;

 	}

 	a = apuctr + TRILIN;

-	if((apuctr[RELOAD] & (1<<2)) != 0){

-		*a = mem[0x4008];

-		apuctr[RELOAD] &= ~(1<<2);

-	}else if(*a != 0)

+	if((apuctr[RELOAD] & (1<<2)) != 0)

+		*a = mem[0x4008] & 0x7f;

+	else if(*a != 0)

 		(*a)--;

+	if((mem[0x4008] & 0x80) == 0)

+		apuctr[RELOAD] &= ~(1<<2);

 }

 void