all repos — mgba @ 1838cc0597ed00d5293134eb6af64f83493c889c

mGBA Game Boy Advance Emulator

src/gba/gba-io.c (view raw)

 1#include "gba-io.h"
 2
 3void GBAIOWrite(struct GBA* gba, uint32_t address, uint16_t value) {
 4	switch (address) {
 5	case REG_WAITCNT:
 6		GBAAdjustWaitstates(&gba->memory, value);
 7		break;
 8	default:
 9		GBALog(GBA_LOG_STUB, "Stub I/O register write: %03x", address);
10		break;
11	}
12	gba->memory.io[address >> 1] = value;
13}
14
15uint16_t GBAIORead(struct GBA* gba, uint32_t address) {
16	switch (address) {
17	case REG_WAITCNT:
18		// Handled transparently by registers
19		break;
20	default:
21		GBALog(GBA_LOG_STUB, "Stub I/O register read: %03x", address);
22		break;
23	}
24	return gba->memory.io[address >> 1];
25}