Update main.c

DS-Homebrew · Dec 8, 2024 · 349c3f6 · 349c3f6
1 parent f1c821c
commit 349c3f6
Showing 1 changed file with 9 additions and 3 deletions.
diff --git a/3dssplash/arm7/source/main.c b/3dssplash/arm7/source/main.c
@@ -86,6 +86,8 @@ int main() {
 	*(u16*)0x02FFFC36 = *(u16*)0x0800015E;	// Header CRC16
 	*(u32*)0x02FFFC38 = *(u32*)0x0800000C;	// Game Code
 
+	*(u32*)0x02FFFDF0 = REG_SCFG_EXT;
+
 	// clear sound registers
 	dmaFillWords(0, (void*)0x04000400, 0x100);
 
@@ -124,22 +126,26 @@ int main() {
 
 	// 01: Fade Out
 	// 02: Return
-	// 03: status (Bit 0: hasRegulableBacklight, Bit 1: scfgEnabled, Bit 2: REG_SNDEXTCNT, Bit 3: isDSPhat, Bit 4: i2cBricked)
+	// 03: status (Bit 0: hasRegulableBacklight, Bit 1: scfgSdmmcEnabled, Bit 2: REG_SNDEXTCNT, Bit 3: isDSPhat, Bit 4: i2cBricked)
 
 
 	// 03: Status: Init/Volume/Battery/SD
 	// https://problemkaputt.de/gbatek.htm#dsii2cdevice4ahbptwlchip
 	// Battery is 7 bits -- bits 0-7
 	// Volume is 00h to 1Fh = 5 bits -- bits 8-12
 	// SD status -- bits 13-14
-	// Init status -- bits 15-18 (Bit 0 (15): hasRegulableBacklight, Bit 1 (16): scfgEnabled, Bit 2 (17): REG_SNDEXTCNT, Bit 3 (18): isDSPhat, Bit 4 (19): i2cBricked)
+	// Init status -- bits 15-18 (Bit 0 (15): hasRegulableBacklight, Bit 1 (16): scfgSdmmcEnabled, Bit 2 (17): REG_SNDEXTCNT, Bit 3 (18): isDSPhat, Bit 4 (19): i2cBricked)
+
+	*(vu32*)0x4004820 = 0x8B7F0305;
 
 	u8 initStatus = (BIT_SET(!!(REG_SNDEXTCNT), SNDEXTCNT_BIT)
-									| BIT_SET(!!(REG_SCFG_EXT), REGSCFG_BIT)
+									| BIT_SET(*(vu32*)0x4004820, SCFGSDMMC_BIT)
 									| BIT_SET(!!(pmBacklight & BIT(4) || pmBacklight & BIT(5) || pmBacklight & BIT(6) || pmBacklight & BIT(7)), BACKLIGHT_BIT)
 									| BIT_SET(isPhat(), DSPHAT_BIT)
 									| BIT_SET(i2cBricked, I2CBRICKED_BIT));
 
+	*(vu32*)0x4004820 = 0;
+
 	status = (status & ~INIT_MASK) | ((initStatus << INIT_OFF) & INIT_MASK);
 	fifoSendValue32(FIFO_USER_03, status);