push ebp
		mov ebp, esp

		mov eax, dim
		mul dim
		mov ebx, image
		mov ecx, 0

		Begin:
			cmp ecx, eax
			jg End
			mov dl, byte ptr[ebx + ecx * 1]
			cmp dl, threshold
			jae Above
			cmp dl, threshold
			jb Below
			Above:
				mov dl, 0xFF
				mov byte ptr[ebx + ecx * 1], dl
				inc ecx
				jmp Begin
			Below:
				mov dl, 0x00
				mov byte ptr[ebx + ecx], dl
				inc ecx
				jmp Begin


		End:

		mov esp, ebp
		pop ebp


		ret