NAME	CMPA -- Compare address
SYNOPSIS	CMPA <ea>,An Size = (Word, Long)
FUNCTION	Subtracts the source operand from the destination address register and sets the condition codes according to the result. The address register is NOT changed. Word sized source operands are sign extended to long for comparison.
FORMAT	15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 1 0 1 1 REGISTER OP-MODE MODE REGISTER   <ea>
OP-MODE	011 16 bits operation. 111 32 bits operation.
REGISTER	The address register specifies destination An. <ea> specifies source operand, addressing modes allowed are: Addressing Mode Mode Register Dn 000 No reg. Dn An 001 No reg. An (An) 010 No reg. An (An)+ 011 No reg. An -(An) 100 No reg. An (d16,An) 101 No reg. An (d8,An,Xi) 110 No reg. An (bd,An,Xi) 110 No reg. An ([bd,An,Xi]od) 110 No reg. An ([bd,An],Xi,od) 110 No reg. An Addressing Mode Mode Register Abs.W 111 000 Abs.L 111 001 (d16,PC) 111 010 (d8,PC,Xi) 111 011 (bd,PC,Xi) 111 011 ([bd,PC,Xi],od) 111 011 ([bd,PC],Xi,od) 111 011 #data 111 100
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.

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