CoMPare Immediate

NAME
	CMPI -- Compare immediate

SYNOPSIS
	CMP	#<data>,<ea>

	Size = (Byte, Word, Long)

FUNCTION
	Subtracts the source operand from the destination operand and sets
	the condition codes according to the result. The destination is
	NOT changed. The size of the immediate data matches the operation
	size.

FORMAT
	                                                  <ea>
	----------------------------------------=========================
	|15 |14 |13 |12 |11 |10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
	|---|---|---|---|---|---|---|---|-------|-----------|-----------|
	| 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | SIZE  |    MODE   | REGISTER  |
	|-------------------------------|-------------------------------|
	|         16 BITS DATA          |         8 BITS DATA           |
	|---------------------------------------------------------------|
	|                          32 BITS DATA                         |
	-----------------------------------------------------------------

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

REGISTER
	<ea> specifies destination operand, addressing modes allowed are:
	--------------------------------- -------------------------------
	|Addressing Mode|Mode| Register | |Addressing Mode|Mode|Register|
	|-------------------------------| |-----------------------------|
	|      Dn       |000 |N reg. Dn| |    Abs.W      |111 |  000   |
	|-------------------------------| |-----------------------------|
	|      An       | -  |    -     | |    Abs.L      |111 |  001   |
	|-------------------------------| |-----------------------------|
	|     (An)      |010 |N reg. An| |   (d16,PC)    |111 |  010   |
	|-------------------------------| |-----------------------------|
	|     (An)+     |011 |N reg. An| |   (d8,PC,Xi)  |111 |  011   |
	|-------------------------------| |-----------------------------|
	|    -(An)      |100 |N reg. An| |   (bd,PC,Xi)  |111 |  011   |
	|-------------------------------| |-----------------------------|
	|    (d16,An)   |101 |N reg. An| |([bd,PC,Xi],od)|111 |  011   |
	|-------------------------------| |-----------------------------|
	|   (d8,An,Xi)  |110 |N reg. An| |([bd,PC],Xi,od)|111 |  011   |
	|-------------------------------| |-----------------------------|
	|   (bd,An,Xi)  |110 |N reg. An| |    #data      | -  |   -    |
	|-------------------------------| -------------------------------
	|([bd,An,Xi]od) |110 |N reg. An|
	|-------------------------------|
	|([bd,An],Xi,od)|110 |N reg. An|
	---------------------------------

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  CMPA CMPM CMP2
	TST  CHK  CHK2

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