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GB: Fix keys

This commit is contained in:
Jeffrey Pfau 2016-01-21 01:11:29 -08:00
parent 06f47c8d2c
commit a2e32b61c2
1 changed files with 2 additions and 2 deletions
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4
src/gb/io.c
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@ -100,10 +100,10 @@ void GBIOWrite(struct GB* gb, unsigned address, uint8_t value) {
static uint8_t _readKeys(struct GB* gb) {
uint8_t keys = *gb->keySource;
switch (gb->memory.io[REG_JOYP] & 0x30) {
case 0x10:
case 0x20:
keys >>= 4;
break;
case 0x20:
case 0x10:
break;
default:
// ???