B4DS: Add support for *Academy Tic-Tac-Toe*

Requires DS Debug console
DS-Homebrew · Jan 11, 2024 · 35b6978 · 35b6978
1 parent 1ccbd78
commit 35b6978
Show file tree

Hide file tree

Showing 3 changed files with 26 additions and 0 deletions.
diff --git a/retail/arm9/include/dsiwaresSetForBootloader.h b/retail/arm9/include/dsiwaresSetForBootloader.h
@@ -38,6 +38,7 @@ static const char dsiWareForBootloader1[][4] = {
 	"KCZ", // Absolute Chess (bootloaderi-exclusive)
 	"KA8", // Absolute Reversi (bootloaderi-exclusive)
 	"KXG", // Abyss
+	"KT3", // Academy Tic-Tac-Toe
 	"KQK", // Ace Mathician
 	"KAC", // Advanced Circuits
 	"K5H", // Ah! Heaven

diff --git a/retail/bootloader/source/arm7/dsi2ds_patches.c b/retail/bootloader/source/arm7/dsi2ds_patches.c
@@ -2112,6 +2112,23 @@ void patchDSiModeToDSMode(cardengineArm9* ce9, const tNDSHeader* ndsHeader) {
 		*(u32*)(0x02070920+offsetChange) = 0xE1A00000; // nop
 	}
 
+	// Academy Tic-Tac-Toe (USA)
+	// Academy Tic-Tac-Toe: Noughts and Crosses (Europe, Australia)
+	// Saving not supported due to a weird bug
+	// Requires 8MB of RAM
+	else if (strncmp(romTid, "KT3", 3) == 0 && extendedMemory) {
+		u8 offsetChange = (romTid[3] == 'E') ? 0 : 0x78;
+
+		*(u32*)0x02005098 = 0xE1A00000; // nop (Disable NFTR font loading from TWLNAND)
+		*(u32*)0x02005128 = 0xE1A00000; // nop
+		*(u32*)0x02005140 = 0xE1A00000; // nop
+		*(u32*)(0x02039378-offsetChange) = 0xE1A00000; // nop
+		*(u32*)(0x0203CCF0-offsetChange) = 0xE1A00000; // nop
+		patchInitDSiWare(0x020420A0-offsetChange, heapEnd);
+		*(u32*)(0x0204242C-offsetChange) = *(u32*)0x02004FD0;
+		patchUserSettingsReadDSiWare(0x0204356C-offsetChange);
+	}
+
 	// Ace Mathician (USA)
 	// Saving not supported due to using more than one file in filesystem
 	else if (strcmp(romTid, "KQKE") == 0) {
@@ -5264,6 +5281,7 @@ void patchDSiModeToDSMode(cardengineArm9* ce9, const tNDSHeader* ndsHeader) {
 	}*/
 
 	// Boom Boom Squaries (USA)
+	// Saving not supported due to a weird bug
 	else if (strcmp(romTid, "KBME") == 0) {
 		*(u32*)0x02005150 = 0xE1A00000; // nop (Disable NFTR font loading from TWLNAND)
 		*(u32*)0x020051CC = 0xE1A00000; // nop
@@ -5292,6 +5310,7 @@ void patchDSiModeToDSMode(cardengineArm9* ce9, const tNDSHeader* ndsHeader) {
 	}
 
 	// Boom Boom Squaries (Europe, Australia)
+	// Saving not supported due to a weird bug
 	else if (strcmp(romTid, "KBMV") == 0) {
 		*(u32*)0x02005150 = 0xE1A00000; // nop (Disable NFTR font loading from TWLNAND)
 		*(u32*)0x020051CC = 0xE1A00000; // nop

diff --git a/retail/bootloaderi/source/arm7/patch_common.c b/retail/bootloaderi/source/arm7/patch_common.c
@@ -1378,6 +1378,12 @@ void dsiWarePatch(cardengineArm9* ce9, const tNDSHeader* ndsHeader) {
 		setBL(0x02031AC4+offsetChange, (u32)dsiSaveClose);
 	}
 
+	// Academy Tic-Tac-Toe (USA)
+	// Academy Tic-Tac-Toe: Noughts and Crosses (Europe, Australia)
+	else if (strncmp(romTid, "KT3", 3) == 0 && !twlFontFound) {
+		*(u32*)0x02005098 = 0xE1A00000; // nop (Disable NFTR font loading from TWLNAND)
+	}
+
 	// Advanced Circuits (USA)
 	// Advanced Circuits (Europe, Australia)
 	else if (strncmp(romTid, "KAC", 3) == 0 && saveOnFlashcard) {