Motorola CPU32 Reference Manual page 114

CMP
Compare
CMP
Effective Address field - Specifies the source operand. All addressing modes are allowed as
shown:
Addressing Mode Mode Register Addressing Mode Mode Register
Dn 000 Reg. number: Dn (xxx).W 111 000
An*
001 Reg. number: An (xxx).L 111 001
(An)
010
Reg. number: An
#(data)
111 100
(An)
+
Q11 Reg. number: An
-(An) 100 Reg. number: An
(d16, An)
101 Reg. number: An
(d16, PC)
111 010
(d8, An, Xn)
110 Reg. number: An
(d8, PC, Xn)
111 011
(bd, An, Xn) 110 Reg. number: An (bd, PC, Xn) 111
011
*Word and long only
NOTE
CMPA is used when the destination is an address register. CMPI is used when
the source is immediate data. CMPM is used for memory-to-memory compares.
Most assemblers automatically make the distinction.
CPU32 REFERENCE MANUAL
INSTRUCTION SET MOTOROLA
4-61
III