diff --git a/src/gb/audio.c b/src/gb/audio.c
index f16f909b4..b26850b3a 100644
--- a/src/gb/audio.c
+++ b/src/gb/audio.c
@@ -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;
diff --git a/src/gb/memory.c b/src/gb/memory.c
index 1e82efbf6..6fe4144cc 100644
--- a/src/gb/memory.c
+++ b/src/gb/memory.c
@@ -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) {
diff --git a/src/gb/timer.c b/src/gb/timer.c
index f9a05beeb..881632205 100644
--- a/src/gb/timer.c
+++ b/src/gb/timer.c
@@ -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) {
diff --git a/src/gb/video.c b/src/gb/video.c
index e9a0758c4..cb06dce48 100644
--- a/src/gb/video.c
+++ b/src/gb/video.c
@@ -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);