MC68HC11P2 Datasheet, PDF (226/268 Pages) Motorola, Inc – Microcontrollers

Freescale Semiconductor, Inc.
CPU Core and Instruction Set
Table 11-2. Instruction set (Sheet 4 of 8)
Mnemonic
Operation
CPX (opr) Compare IX with memory (16-
bit)
CPY (opr) Compare IY with memory (16-
bit)
DAA
DEC (opr)
Decimal adjust A
Decrement memory byte
DECA
DECB
DES
DEX
DEY
EORA (opr)
Decrement accumulator A
Decrement accumulator B
Decrement stack pointer
Decrement index register X
Decrement index register Y
Exclusive OR A with memory
EORB (opr) Exclusive OR B with memory
FDIV
IDIV
INC (opr)
Fractional divide, 16 by 16
Integer divide, 16 by 16
Increment memory byte
INCA
INCB
INS
INX
INY
JMP (opr)
Increment accumulator A
Increment accumulator B
Increment stack pointer
Increment index register X
Increment index register Y
Jump
JSR (opr)
Jump to subroutine
Description
IX – (M:M+1)
IY – (M:M+1)
adjust sum to BCD
M–1⇒M
A–1⇒A
B–1⇒B
SP – 1 ⇒ SP
IX – 1 ⇒ IX
IY – 1 ⇒ IY
A⊕M⇒A
B⊕M⇒A
D / IX ⇒ IX; r ⇒ D
D / IX ⇒ IX; r ⇒ D
M+1⇒M
A+1⇒A
B+1⇒B
SP + 1 ⇒ SP
IX + 1 ⇒ IX
IY + 1 ⇒ IY
see Figure 11-2
see Figure 11-2
Addressing
mode
IMM
DIR
EXT
IND, X
IND, Y
IMM
DIR
EXT
IND, X
IND, Y
INH
EXT
IND, X
IND, Y
A INH
B INH
INH
INH
INH
A IMM
A DIR
A EXT
A IND, X
A IND, Y
B IMM
B DIR
B EXT
B IND, X
B IND, Y
INH
INH
EXT
IND, X
IND, Y
A INH
B INH
INH
INH
INH
EXT
IND, X
IND, Y
DIR
Opcode
8C
9C
BC
AC
CDAC
18 8C
18 9C
18 BC
1A AC
18 AC
19
7A
6A
18 6A
4A
5A
34
09
18 09
88
98
B8
A8
18 A8
C8
D8
F8
E8
18 E8
03
02
7C
6C
18 6C
4C
5C
31
08
18 08
7E
6E
18 6E
9D
Instruction
Operand
jj kk
dd
hh ll
ff
ff
jj kk
dd
hh ll
ff
ff
—
hh ll
ff
ff
—
—
—
—
—
ii
dd
hh ll
ff
ff
ii
dd
hh ll
ff
ff
—
—
hh ll
ff
ff
—
—
—
—
—
hh ll
ff
ff
dd
Cycles
4
5
6
6
7
5
6
7
7
7
2
6
6
7
2
2
3
3
4
2
3
4
4
5
2
3
4
4
5
41
41
6
6
7
2
2
3
3
4
3
3
4
5
Condition codes
SXH I NZVC
————∅∅∅∅
————∅∅∅∅
————∅∅ ? ∅
————∅∅∅—
————∅∅∅—
————∅∅∅—
————————
—————∅——
—————∅——
————∅∅ 0 —
————∅∅ 0 —
—————∅∅∅
—————∅ 0 ∅
————∅∅∅—
————∅∅∅—
————∅∅∅—
————————
—————∅——
—————∅——
————————
————————
Technical Data
CPU Core and Instruction Set
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Go to: www.freescale.com
MC68HC11P2 — Rev 1.0