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);
	}
}