NBCD
Instruction Fields:
Effective Address field — Specifies the destination operand. Only data alterable
addressing modes are allowed as shown:
Addressing Mode
Dn
An
(An)
(An) +
– (An)
(d
, An)
16
(d
, An, Xn)
8
(bd, An, Xn)
MOTOROLA
4-114
Negate Decimal with Extend
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
NBCD
Register
000
001
—
—
—
—
CPU32