SUBI Instruction

Subtracts a constant from an effective address.

ADDRESS METHODS: Dn, (An), (An)+, -(An), x(An), x(An,xr.s), x.w, x.l

DATA LENGTH: Byte, word, longword

FLAGS:	X - Set if a loan was required from the most significant bit, otherwise 0.
	N - S
	Z - S
	C - Same as X
	V - S

SYNTAX: SUBI #x,<ea>

Most assemblers automatically choose SUBI if the source operand to an SUB instruction is a constant.