rudimentary matching decompilation of NitroMain

1 files changed, 151 insertions, 0 deletions

diff --git a/src/main.c b/src/main.c
new file mode 100644
index 00000000..844d069d
--- /dev/null
+++ b/src/main.c
@@ -0,0 +1,151 @@
+
+typedef unsigned char u8;
+typedef unsigned short u16;
+typedef unsigned long u32;
+typedef signed char s8;
+typedef signed short s16;
+typedef signed long s32;
+
+struct Unk2106FA0
+{
+  s32 unk0;
+  s32 unk4;
+  s32 unk8;
+  s32 unkC;
+  s32 unk10;
+  s32 unk14;
+  s32 unk18;
+  s32 unk1C;
+  s32 unk20;
+};
+
+struct Unk21C48B8
+{
+  void (*unk0)(s32);
+  s32 unk4;
+  s32 unk8;
+  s32 unkC;
+  s32 unk10;
+  s32 unk14;
+  s32 unk18;
+  s32 unk1C;
+  s32 unk20;
+  s32 unk24;
+  s32 unk28;
+  s32 unk2C;
+  s32 unk30;
+  s32 unk34;
+  s32 unk38;
+  u8 filler3C[0xC];
+  s32 unk48;
+  u8 filler4C[0x20];
+  s32 unk6C;
+};
+
+extern struct Unk2106FA0 gUnknown2106FA0;
+extern struct Unk2106FA0 gUnknown2106FA0_2; // same as the first one, it's referenced twice in the constant pool...
+extern struct Unk2106FA0 gUnknown2106FB8;
+extern struct Unk21C48B8 gUnknown21C48B8;
+
+extern s32 gUnk027FFC20;
+extern struct { 
+  s32 unk0;
+  s32 unk4;
+  u8 unk8;
+} gUnk021C4918;
+
+extern void FUN_020D50D8();
+extern void FUN_020C9C0C();
+extern void FUN_02016438(s32);
+
+extern const s32 CONST_3F; // 0x0000003F
+extern const s32 CONST_34; // 0x00000034
+
+extern struct Unk21DBE18 gUnk021DBE18; 
+extern struct Unk21DBE18 gUnk021D76C8;
+
+
+void NitroMain(void)
+{
+	FUN_02016014();
+	FUN_02016148();
+	FUN_020163BC();
+	FUN_02016438(0);
+
+	FUN_020D50D8(&gUnknown2106FA0_2, 0); // should be blx please
+
+	FUN_02022294();
+	FUN_0201259C();
+	FUN_02000DF4();
+	FUN_02002C14();
+	FUN_02002C50(0, 3);
+	FUN_02002C50(1, 3);
+	FUN_02002C50(3, 3);
+	gUnknown2106FA0.unk18 = -1;
+	gUnknown2106FA0.unk20 = FUN_0202254C();
+	FUN_02003B98(FUN_02029EF8(gUnknown2106FA0.unk20), FUN_02023900(gUnknown2106FA0.unk20));
+	FUN_02020AFC();
+	if (FUN_020337E8(3) == 3)
+		FUN_02034188(3, 0);
+	if (FUN_020227FC(gUnknown2106FA0.unk20) == 0)
+	{
+		FUN_02089D90(0);
+	}
+	else
+	{
+		switch (gUnk027FFC20)
+		{
+		case 0:
+			gUnknown2106FA0.unk1C = 0;
+			FUN_02000E7C(&CONST_3F, &gUnk021DBE18);
+			break;
+		case 1:
+			gUnknown2106FA0.unk1C = 1;
+			FUN_02000E7C(&CONST_34, &gUnk021D76C8);
+			break;
+		default:
+			FUN_02020C2C();
+			break;
+		}
+	}
+	gUnknown21C48B8.unk6C = 1;
+	gUnknown21C48B8.unk30 = 0;
+	FUN_02000FA4();
+	FUN_0200A2AC();
+	FUN_02015E30();
+	gUnknown2106FA0.unk4 = 0;
+	for (;;)
+	{
+		FUN_02000EE8();
+		FUN_02000FE8();
+		FUN_02016464();
+		if ((gUnknown21C48B8.unk38 & 0x30C) == 0x30C && !gUnk021C4918.unk8) // soft reset?
+		{
+			FUN_02000F18(0); // soft reset?
+		}
+		if (FUN_0202FB80())
+		{
+			FUN_02000E0C();
+			FUN_0201B5CC(gUnknown21C48B8.unk18);
+			FUN_0201B5CC(gUnknown21C48B8.unk24);
+			if (!gUnknown21C48B8.unk30)
+			{
+				FUN_020C9C0C(1, 1);
+				gUnknown21C48B8.unk2C++;
+			}
+		}
+		FUN_020125D4();
+		FUN_02015E60();
+		FUN_020222C4();
+		FUN_0201B5CC(gUnknown21C48B8.unk24);
+		FUN_020C9C0C(1, 1);
+		gUnknown21C48B8.unk2C++;
+		gUnknown21C48B8.unk30 = 0;
+		FUN_0200A318();
+		FUN_0200E2D8();
+		if (gUnknown21C48B8.unk0)
+			gUnknown21C48B8.unk0(gUnknown21C48B8.unk4);
+		FUN_02003C10();
+		FUN_0201B5CC(gUnknown21C48B8.unk20);
+	}
+}
\ No newline at end of file