Motorola CPU32 Reference Manual page 198

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 address-
ing modes are allowed as shown:
Addressing Mode
Dn
An*
(An)
(An) +
– (An)
(d , An)
16
(d , An, Xn)
8
(bd, An, Xn)
*Word and long only
MOTOROLA
4-150
Subtract Quick
Mode Register
000 Reg. number: Dn
— —
010 Reg. number: An
011 Reg. number: An
100 Reg. number: An
101 Reg. number: An
110 Reg. number: An
110 Reg. number: An
INSTRUCTION SET
Addressing Mode Mode
(xxx).W 111
(xxx).L 111
#〈data〉 —
(d , PC)
—
16
(d , PC, Xn)
—
8
(bd, PC, Xn) —
REFERENCE MANUAL
SUBQ
Register
000
001
—
—
—
—
CPU32