overflow.mas

/ overflow.mas
/ example of an integer overflow
/ The OutReg is an 8-bit register. This means it can only handle numbers
/ between [0, (2^8 - 1)], and since data is represented in two's complement,
/ only numbers between [-2^7, (2^7-1)] can be represented.
/ anything exceeding this range will cause an overflow.
/ 0xFF will display as -1 in decimal

		ORG			0
		LOAD		X		/ LOAD X into AC
		ADD			Y		/ ADD Y	to AC
		OUTPUT				/ OUTPUT AC
		HALT
X,		HEX			FE		/ variable declaration
Y,		HEX			1		/ variable declaration