From 50b41435f4d0c15bb39c39c96ab0e4103a5f144d Mon Sep 17 00:00:00 2001
From: RocketRobz <bobesh8@gmail.com>
Date: Mon, 17 Feb 2020 01:02:12 -0700
Subject: [PATCH] DSi/3DS: Now runs without an SD card

---
 arm7/source/main.c   | 1 +
 arm9/source/main.cpp | 4 +++-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/arm7/source/main.c b/arm7/source/main.c
index 05500c7..65f8c58 100644
--- a/arm7/source/main.c
+++ b/arm7/source/main.c
@@ -141,6 +141,7 @@ int main() {
 			sdmmc_nand_cid((u32*)0x2FFD7BC);	// Get eMMC CID
 			*(u32*)(0x2FFFD0C) = 0;
 		}
+		*(u8*)(0x2FFFD08) = ((*(vu32*)(0x400481C) & BIT(3)) || !(*(vu32*)(0x400481C) & BIT(5)));	// Set if there's no SD inserted
 		resyncClock();
 		swiWaitForVBlank();
 	}
diff --git a/arm9/source/main.cpp b/arm9/source/main.cpp
index 8015240..d0358ed 100644
--- a/arm9/source/main.cpp
+++ b/arm9/source/main.cpp
@@ -200,7 +200,9 @@ int main(int argc, char **argv) {
 		if (keysHeld() & KEY_Y) {
 			yHeld = true;
 		}
-		sdMounted = sdMount();
+		if (*(u8*)(0x2FFFD08) == 0) {
+			sdMounted = sdMount();
+		}
 		ramdrive1Mount();
 		*(vu32*)(0x0DFFFE0C) = 0x474D3969;		// Check for 32MB of RAM
 		if (*(vu32*)(0x0DFFFE0C) == 0x474D3969) {