Motorola CPU32 Reference Manual page 208

SUBQ
Subtract Quick
SUBQ
Instruction Fields:
Data field - Three bits of immediate data; 1-7 represent immediate values of 1-7, and 0
represents 8.
Size field - Specifies the size of the operation:
00 - Byte operation
01 - Word operation
10 - Long operation
Effective Address field - Specifies the destination location. Only alterable addressing modes are
allowed as shown:
Addressing Mode Mode
On 000
An*
-
(An) 010
(An) + 011
-(An) 100
(d16, An)
101
(da, An, Xn)
110
(bd, An, Xn) 110
*Word and long only
CPU32 REFERENCE MANUAL
Register Addressing Mode
Reg. number: On (xxx).W
-
(xxx).L
Reg. number: An
#(data)
Reg. number: An
Reg. number: An
Reg. number: An
(d16, PC)
Reg. number: An
(da, PC, Xn)
Reg. number: An
(bd, PC, Xn)
INSTRUCTION SET
Mode
111
111
-
-
-
-
Register
000
001
-
-
-
-
MOTOROLA
4-155
III