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#include "dolphin/os/OSResetSW.h"
#include "dolphin/os/OS.h"
#include "dolphin/os/OSReset.h"
u8 GameChoice AT_ADDRESS(OS_BASE_CACHED | 0x30E3);
void __OSResetSWInterruptHandler(__OSInterrupt interrupt, OSContext* context);
static OSResetCallback ResetCallback;
static BOOL Down;
static BOOL LastState;
static OSTime HoldUp;
static OSTime HoldDown;
void __OSResetSWInterruptHandler(__OSInterrupt interrupt, OSContext* context) {
OSResetCallback callback;
HoldDown = __OSGetSystemTime();
while (__OSGetSystemTime() - HoldDown < OSMicrosecondsToTicks(100) &&
!(__PIRegs[0] & 0x00010000)) {
;
}
if (!(__PIRegs[0] & 0x00010000)) {
LastState = Down = TRUE;
__OSMaskInterrupts(OS_INTERRUPTMASK_PI_RSW);
if (ResetCallback) {
callback = ResetCallback;
ResetCallback = NULL;
callback();
}
}
__PIRegs[0] = 2;
}
BOOL OSGetResetButtonState(void) {
BOOL enabled = OSDisableInterrupts();
BOOL state;
OSTime now = __OSGetSystemTime();
u32 reg = __PIRegs[0];
if (!(reg & 0x00010000)) {
if (!Down) {
Down = TRUE;
state = HoldUp ? TRUE : FALSE;
HoldDown = now;
} else {
state = HoldUp || (OSMicrosecondsToTicks(100) < now - HoldDown)
? TRUE
: FALSE;
}
} else if (Down) {
Down = FALSE;
state = LastState;
if (state) {
HoldUp = now;
} else {
HoldUp = 0;
}
} else if (HoldUp && (now - HoldUp < OSMillisecondsToTicks(40))) {
state = TRUE;
} else {
state = FALSE;
HoldUp = 0;
}
LastState = state;
if (GameChoice & 0x3F) {
OSTime fire = (GameChoice & 0x3F) * 60;
fire = __OSStartTime + OSSecondsToTicks(fire);
if (fire < now) {
now -= fire;
now = OSTicksToSeconds(now) / 2;
if ((now & 1) == 0) {
state = TRUE;
} else {
state = FALSE;
}
}
}
OSRestoreInterrupts(enabled);
return state;
}
BOOL OSGetResetSwitchState(void) {
return OSGetResetButtonState();
}
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