Motorola CPU32 Reference Manual page 166

MULS
Signed Multiply
MULS
Instruction Format (word form):
15 14 13 12 11 10
9
8 7
6
5 4 3
2
o
1 1 0 0
REGISTER
1 1 1
EFFECTIVr ADDRESS
MODE REGISTER
Instruction Fields:
Register field - Specifies a data register as the destination.
Effective Address field - Specifies the source operand. Only data addressing modes are
allowed as shown:
Addressing Mode Mode
Dn
000
An
-
(An)
010
(An) +
011
-(An)
100
(d16. An)
101
(ds. An. Xn)
110
(bd. An. Xn)
110
CPU32 REFERENCE MANUAL
Register Addressing Mode
Reg. number: Dn (xxx).W
-
(xxx).L
Reg. number: An
#(data)
Reg. number: An
Reg. number: An
Reg. number: An
(d16. PC)
Reg. number: An (dS. PC. Xn)
Reg. number: An (bd. PC. Xn)
INSTRUCTION SET
Mode
111
111
111
111
111
111
Register
000
001
100
010
011
011
MOTOROLA
4-113