B4DS: Play music in *Yummy Yummy Cooking Jam* with 16MB+ RAM expansion inserted

Author: RocketRobz

retail/bootloader/source/arm7/dsi2ds_patches.c

@@ -28383,7 +28383,7 @@ void patchDSiModeToDSMode(cardengineArm9* ce9, const tNDSHeader* ndsHeader) {
 	}
 
 	// Yummy Yummy Cooking Jam (USA)
-	// Music is disabled
+	// Requires Slot-2 RAM expansion up to 16MB or more (Standard Memory Expansion Pak is not enough) for music playback
 	else if (strcmp(romTid, "KYUE") == 0) {
 		useSharedFont = twlFontFound;
 		*(u32*)0x0200508C = 0xE1A00000; // nop
@@ -28395,7 +28395,11 @@ void patchDSiModeToDSMode(cardengineArm9* ce9, const tNDSHeader* ndsHeader) {
 			*(u32*)0x020271F4 = *(u32*)0x02004FC0;
 		}
 		patchUserSettingsReadDSiWare(0x02028360);
-		*(u32*)0x020639A4 = 0xE12FFF1E; // bx lr
+		if (largeS2RAM) {
+			*(u32*)0x0205E524 = (s2FlashcardId == ezFlash) ? 0xE3A00408 : 0xE3A00409; // mov r0, (s2FlashcardId == ezFlash) ? #0x08000000 : #0x09000000
+		} else {
+			*(u32*)0x020639A4 = 0xE12FFF1E; // bx lr (Disable music)
+		}
 		setBL(0x02069A78, (u32)dsiSaveOpen);
 		setBL(0x02069AB4, (u32)dsiSaveRead);
 		setBL(0x02069ACC, (u32)dsiSaveRead);
@@ -28416,7 +28420,7 @@ void patchDSiModeToDSMode(cardengineArm9* ce9, const tNDSHeader* ndsHeader) {
 	}
 
 	// Yummy Yummy Cooking Jam (Europe, Australia)
-	// Music is disabled
+	// Requires Slot-2 RAM expansion up to 16MB or more (Standard Memory Expansion Pak is not enough) for music playback
 	else if (strcmp(romTid, "KYUV") == 0) {
 		useSharedFont = twlFontFound;
 		*(u32*)0x0200148C = 0xE1A00000; // nop
@@ -28428,7 +28432,11 @@ void patchDSiModeToDSMode(cardengineArm9* ce9, const tNDSHeader* ndsHeader) {
 			*(u32*)0x020235C8 = *(u32*)0x020013C0;
 		}
 		patchUserSettingsReadDSiWare(0x02024734);
-		*(u32*)0x0205FD48 = 0xE12FFF1E; // bx lr
+		if (largeS2RAM) {
+			*(u32*)0x0205A8C8 = (s2FlashcardId == ezFlash) ? 0xE3A00408 : 0xE3A00409; // mov r0, (s2FlashcardId == ezFlash) ? #0x08000000 : #0x09000000
+		} else {
+			*(u32*)0x0205FD48 = 0xE12FFF1E; // bx lr (Disable music)
+		}
 		setBL(0x02065E1C, (u32)dsiSaveOpen);
 		setBL(0x02065E58, (u32)dsiSaveRead);
 		setBL(0x02065E70, (u32)dsiSaveRead);

retail/bootloader/source/arm7/main.arm7.c

@@ -702,8 +702,9 @@ static bool isROMLoadableInRAM(const tDSiHeader* dsiHeader, const tNDSHeader* nd
 	 || (strncmp(romTid, "KXC", 3) == 0 && s2FlashcardId != 0x5A45) // Castle Conqueror: Heroes 2
 	 || (strncmp(romTid, "KQ9", 3) == 0 && s2FlashcardId != 0x5A45) // The Legend of Zelda: Four Swords: Anniversary Edition
 	 || (strncmp(romTid, "KEV", 3) == 0 && s2FlashcardId != 0x5A45) // Space Invaders Extreme Z
-	 || (strncmp(romTid, "K97", 3) == 0 && s2FlashcardId != 0x5A45) // Sutanoberuzu: Kono Hareta Sora no Shita de
-	 || (strncmp(romTid, "K98", 3) == 0 && s2FlashcardId != 0x5A45) // Sutanoberuzu: Shirogane no Torikago
+	 || (strncmp(romTid, "K97", 3) == 0 && s2FlashcardId != 0x5A45) // Star Novels: Kono Haretasora no Shitade
+	 || (strncmp(romTid, "K98", 3) == 0 && s2FlashcardId != 0x5A45) // Star Novels: Shirogane no Torikago
+	 || (strncmp(romTid, "KYU", 3) == 0 && s2FlashcardId != 0x5A45) // Yummy Yummy Cooking Jam
 	 || (strncmp(romTid, "UOR", 3) != 0
 	 && strncmp(romTid, "KPP", 3) != 0 // Pop Island
 	 && strncmp(romTid, "KPF", 3) != 0) // Pop Island: Paperfield