Disable SD prompt after first TWLMenu++ boot on DSi

DS-Homebrew · May 23, 2024 · 614a8fa · 614a8fa
1 parent 8329580
commit 614a8fa
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Showing 2 changed files with 5 additions and 3 deletions.
diff --git a/booter/arm7/source/main.c b/booter/arm7/source/main.c
@@ -109,6 +109,8 @@ int main() {
 
 	setPowerButtonCB(powerButtonCB);
 
+	*(u8*)0x0280FFFF = i2cReadRegister(0x4A, 0x71);
+
 	// Keep the ARM7 mostly idle
 	while (!exitflag) {
 		if ((REG_KEYINPUT & (KEY_SELECT | KEY_START | KEY_L | KEY_R)) == 0) {

diff --git a/booter/arm9/source/main.cpp b/booter/arm9/source/main.cpp
@@ -202,10 +202,10 @@ int main(int argc, char **argv) {
 	extern const DISC_INTERFACE __my_io_dsisd;
 	const bool fatInited = fatMountSimple("sd", &__my_io_dsisd);
 
-	*(u32*)0x0CFFFD0C = 0x47444943; // 'CIDG'
-	while (*(u32*)0x0CFFFD0C != 0) { swiDelay(100); }
+	if (*(u8*)0x0280FFFF != 0x01) {
+		*(u32*)0x0CFFFD0C = 0x47444943; // 'CIDG'
+		while (*(u32*)0x0CFFFD0C != 0) { swiDelay(100); }
 
-	{
 		DC_FlushRange((void*)0x02810000, 16);
 
 		const u16 manufID = *(u16*)0x0281000E;