Disable overclock before booting game

metroid-maniac · Apr 3, 2024 · 730a197 · 730a197
1 parent 99f927e
commit 730a197
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diff --git a/SCFW_Kernel_GBA/source/main.c b/SCFW_Kernel_GBA/source/main.c
@@ -18,6 +18,7 @@ char *stpcpy(char*, char*);
 int strcasecmp(char*, char*);
 
 bool overclock_ewram();
+void restore_ewram_clocks();
 
 void tryAgain() {
 	iprintf("Critical failure.\nPress A to restart.");
@@ -361,6 +362,9 @@ void selectFile(char *path) {
 
 		sc_mode(SC_RAM_RO);
 		REG_IME = 0;
+
+		restore_ewram_clocks();
+
 		if (settings.biosboot)
 			__asm volatile("swi 0x26");
 		else

diff --git a/SCFW_Kernel_GBA/source/overclock_ewram.c b/SCFW_Kernel_GBA/source/overclock_ewram.c
@@ -24,4 +24,8 @@ IWRAM_CODE bool overclock_ewram() {
 
 	REG_IME = ime;
 	return success;
+}
+
+IWRAM_CODE void restore_ewram_clocks() {
+	MEMCNT = 0x0D000020;
 }