NAME	SUBA -- Subtract address
SYNOPSIS	SUBA <ea>,An Size = (Word, Long)
FUNCTION	Subtracts source operand to destination operand. Source operand with a Word size is extended to 32 bits before operation. Result is stored to destination's place.
FORMAT	1 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 0 0 1 REGISTER OP-MODE MODE REGISTER   <ea> OP-MODE Indicates operation lenght: 011 -> one Word operation: source operand is extended to 32 bits 111 -> one Long operation
REGISTER	<ea> is source, allowed addressing modes 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	None.

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