M src/gba/gba-bios.c → src/gba/gba-bios.c

@@ -116,7 +116,8 @@ }
 
 void GBASwi16(struct ARMCore* cpu, int immediate) {
 	struct GBA* gba = (struct GBA*) cpu->master;
-	GBALog(gba, GBA_LOG_DEBUG, "SWI: %02x", immediate);
+	GBALog(gba, GBA_LOG_SWI, "SWI: %02X r0: %08X r1: %08X r2: %08X r3: %08X",
+		immediate, cpu->gprs[0], cpu->gprs[1], cpu->gprs[2], cpu->gprs[3]);
 
 	if (gba->memory.fullBios) {
 		ARMRaiseSWI(cpu);

M src/gba/gba.h → src/gba/gba.h

@@ -43,7 +43,10 @@ GBA_LOG_INFO = 0x08,
 	GBA_LOG_DEBUG = 0x10,
 	GBA_LOG_STUB = 0x20,
 
-	GBA_LOG_GAME_ERROR = 0x100
+	GBA_LOG_GAME_ERROR = 0x100,
+	GBA_LOG_SWI = 0x200,
+
+	GBA_LOG_ALL = 0x33F
 };
 
 enum GBAKey {