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GBA Hardware: Count bytes for ALARM1 properly

This commit is contained in:
Vicki Pfau 2017-04-04 18:10:50 -07:00
parent 9567a8632f
commit 4b7390cc35
2 changed files with 6 additions and 0 deletions
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2
include/mgba/internal/gba/hardware.h
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@ -71,6 +71,8 @@ DECL_BITS(RTCCommandData, Command, 4, 3);
DECL_BIT(RTCCommandData, Reading, 7); DECL_BIT(RTCCommandData, Reading, 7);
DECL_BITFIELD(RTCStatus2, uint8_t); DECL_BITFIELD(RTCStatus2, uint8_t);
DECL_BITS(RTCStatus2, INT1, 0, 4);
DECL_BIT(RTCStatus2, INT2, 6);
#pragma pack(push, 1) #pragma pack(push, 1)
struct GBARTC { struct GBARTC {

4
src/gba/hardware.c
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@ -224,6 +224,10 @@ void GBARTCProcessByte(struct GBARTC* rtc, struct mRTCSource* source) {
break; break;
case RTC_FORCE_IRQ: case RTC_FORCE_IRQ:
break; break;
case RTC_ALARM1:
if (RTCStatus2GetINT1(rtc->status2) == 4) {
rtc->bytesRemaining = 3;
}
} }
} else { } else {
mLOG(GBA_HW, WARN, "Invalid RTC command byte: %02X", rtc->bits); mLOG(GBA_HW, WARN, "Invalid RTC command byte: %02X", rtc->bits);