CoMPare Memory

NAME
	CMPM -- Compare memory

SYNOPSIS
	CMPM	(Ay)+,(Ax)+

	Size = (Byte, Word, Long)

FUNCTION
	Subtracts the source operand from the destination operand
	and sets the condition codes according to the result. The destination
	operand is NOT changed. Operands are always addressed with the
	postincrement mode.

FORMAT
	-----------------------------------------------------------------
	|15 |14 |13 |12 |11 |10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
	|---|---|---|---|-----------|---|-------|---|---|---|-----------|
	| 1 | 0 | 1 | 1 |Ax REGISTER| 1 | SIZE  | 0 | 0 | 1 |Ay REGISTER|
	----------------------------------------=========================
	                                                  <ea>

SIZE
	00->one Byte operation
	01->one Word operation
	10->one Long operation

REGISTER
	Ax register specifies destination operand (for post-incrementation).
	Ay register specifies source operand.

RESULT
	X - Not affected
	N - Set if the result is negative. Cleared otherwise.
	Z - Set if the result is zero. Cleared otherwise.
	V - Set if an overflow occours. Cleared otherwise.
	C - Set if a borrow occours. Cleared otherwise.

SEE ALSO
	CMP  CMPI CMPA CMP2
	TST  CHK  CHK2