Catch all memory allocation failures

src/dma.c

@@ -35,7 +35,8 @@ void DMA_init(uint16_t size, uint16_t capacity)
     if (dmaQueues) MEM_free(dmaQueues);
     // allocate DMA queue
     dmaQueues = MEM_alloc(queueSize * sizeof(DMAOpInfo));
-
+	if (!dmaQueues) SYS_die("Out of memory creating DMA queue!");
+
     // clear queue
     DMA_clearQueue();
 }

src/entity.c

@@ -817,12 +817,9 @@ Entity *entity_create(int32_t x, int32_t y, uint16_t type, uint16_t flags) {
 	// Allocate memory and start applying values
 	uint8_t sprite_count = npc_info[type].sprite_count;
 	Entity *e = MEM_alloc(sizeof(Entity) + sizeof(VDPSprite) * sprite_count);
-	if(!e) { 
-		// If the allocation failed, stop with a meaningful message
-		// instead of leaving the game crash later
-		SYS_die("Not enough memory to create new entity!");
-	}
+	if(!e) SYS_die("Out of memory creating new entity!");
 	memset(e, 0, sizeof(Entity) + sizeof(VDPSprite) * sprite_count);
+
 	e->x = x;
 	e->y = y;
 	e->sprite_count = sprite_count;

src/stage.c

@@ -65,7 +65,7 @@ void stage_load(uint16_t id) {
 	VDP_setEnable(FALSE);
 
 	// Prevents an issue where a column of the previous map would get drawn over the new one
-	DMA_flushQueue();
+	DMA_clearQueue();
 
 	input_update(); // Prevent menu from opening after loading save
 	stageID = id;
@@ -279,9 +279,11 @@ void stage_load_blocks() {
 	stageHeight = PXM[6] + (PXM[7] << 8);
 	PXM += 8;
 	stageBlocks = MEM_alloc(stageWidth * stageHeight);
+	if(!stageBlocks) SYS_die("Out of memory loading stage layout!");
 	memcpy(stageBlocks, PXM, stageWidth * stageHeight);
 	// Multiplication table for stage rows
 	stageTable = MEM_alloc(stageHeight * 2);
+	if(!stageTable) SYS_die("Out of memory creating stage table!");
 	uint16_t blockTotal = 0;
 	for(uint16_t y = 0; y < stageHeight; y++) {
 		stageTable[y] = blockTotal;