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GB: Improve reset reliability

This commit is contained in:
Jeffrey Pfau 2016-02-19 22:59:36 -08:00
parent 0557caad98
commit 8071a52505
4 changed files with 27 additions and 11 deletions
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4
src/gb/audio.c
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@ -56,6 +56,7 @@ void GBAudioReset(struct GBAudio* audio) {
audio->nextCh1 = 0;
audio->nextCh2 = 0;
audio->nextCh3 = 0;
audio->fadeCh3 = 0;
audio->nextCh4 = 0;
audio->ch1 = (struct GBAudioChannel1) { .envelope = { .dead = 2 } };
audio->ch2 = (struct GBAudioChannel2) { .envelope = { .dead = 2 } };
@ -66,6 +67,9 @@ void GBAudioReset(struct GBAudio* audio) {
audio->frame = 0;
audio->nextSample = 0;
audio->sampleInterval = 128;
audio->lastLeft = 0;
audio->lastRight = 0;
audio->clock = 0;
audio->volumeRight = 0;
audio->volumeLeft = 0;
audio->ch1Right = false;

31
src/gb/memory.c
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@ -56,16 +56,6 @@ void GBMemoryInit(struct GB* gb) {
gb->memory.mbcType = GB_MBC_NONE;
gb->memory.mbc = 0;
gb->memory.dmaNext = INT_MAX;
gb->memory.dmaRemaining = 0;
gb->memory.hdmaNext = INT_MAX;
gb->memory.hdmaRemaining = 0;
memset(gb->memory.hram, 0, sizeof(gb->memory.hram));
gb->memory.sramAccess = false;
gb->memory.rtcAccess = false;
gb->memory.rtcLatched = 0;
gb->memory.rtc = NULL;
GBIOInit(gb);
@ -89,7 +79,26 @@ void GBMemoryReset(struct GB* gb) {
gb->memory.sramCurrentBank = 0;
gb->memory.sramBank = gb->memory.sram;
memset(&gb->video.oam, 0, sizeof(gb->video.oam));
gb->memory.ime = false;
gb->memory.ie = 0;
gb->memory.dmaNext = INT_MAX;
gb->memory.dmaRemaining = 0;
gb->memory.dmaSource = 0;
gb->memory.dmaDest = 0;
gb->memory.hdmaNext = INT_MAX;
gb->memory.hdmaRemaining = 0;
gb->memory.hdmaSource = 0;
gb->memory.hdmaDest = 0;
gb->memory.isHdma = false;
gb->memory.sramAccess = false;
gb->memory.rtcAccess = false;
gb->memory.activeRtcReg = 0;
gb->memory.rtcLatched = 0;
memset(&gb->memory.rtcRegs, 0, sizeof(gb->memory.rtcRegs));
memset(&gb->memory.hram, 0, sizeof(gb->memory.hram));
const struct GBCartridge* cart = (const struct GBCartridge*) &gb->memory.rom[0x100];
switch (cart->type) {

2
src/gb/timer.c
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@ -12,6 +12,8 @@ void GBTimerReset(struct GBTimer* timer) {
timer->nextDiv = GB_DMG_DIV_PERIOD; // TODO: GBC differences
timer->nextTima = INT_MAX;
timer->nextEvent = GB_DMG_DIV_PERIOD;
timer->eventDiff = 0;
timer->timaPeriod = 1024;
}
int32_t GBTimerProcessEvents(struct GBTimer* timer, int32_t cycles) {

1
src/gb/video.c
View File

@ -62,6 +62,7 @@ void GBVideoReset(struct GBVideo* video) {
video->renderer->vram = video->vram;
memset(&video->oam, 0, sizeof(video->oam));
video->renderer->oam = &video->oam;
memset(&video->palette, 0, sizeof(video->palette));
video->renderer->deinit(video->renderer);
video->renderer->init(video->renderer, video->p->model);