Table 7-1. instruction set summary (sheet 5 of 6) – Freescale Semiconductor MC68HC908MR32 User Manual

Page 88

Advertising
background image

Central Processor Unit (CPU)

MC68HC908MR32 • MC68HC908MR16 Data Sheet, Rev. 6.1

88

Freescale Semiconductor

PULA

Pull A from Stack

SP

← (SP + 1); Pull (A)

– – – – – – INH

86

2

PULH

Pull H from Stack

SP

← (SP + 1); Pull (H)

– – – – – – INH

8A

2

PULX

Pull X from Stack

SP

← (SP + 1); Pull (X)

– – – – – – INH

88

2

ROL opr
ROLA
ROLX
ROL opr,X
ROL ,X
ROL opr,SP

Rotate Left through Carry

 – –   

DIR
INH
INH
IX1
IX
SP1

39
49
59
69
79

9E69

dd

ff

ff

4
1
1
4
3
5

ROR opr
RORA
RORX
ROR opr,X
ROR ,X
ROR opr,SP

Rotate Right through Carry

 – –   

DIR
INH
INH
IX1
IX
SP1

36
46
56
66
76

9E66

dd

ff

ff

4
1
1
4
3
5

RSP

Reset Stack Pointer

SP

← $FF

– – – – – – INH

9C

1

RTI

Return from Interrupt

SP

← (SP) + 1; Pull (CCR)

SP

← (SP) + 1; Pull (A)

SP

← (SP) + 1; Pull (X)

SP

← (SP) + 1; Pull (PCH)

SP

← (SP) + 1; Pull (PCL)

      INH

80

7

RTS

Return from Subroutine

SP

← SP + 1; Pull (PCH)

SP

← SP + 1; Pull (PCL)

– – – – – – INH

81

4

SBC #opr
SBC opr
SBC opr
SBC opr,X
SBC opr,X
SBC ,X
SBC opr,SP
SBC opr,SP

Subtract with Carry

A

← (A) – (M) – (C)

 – –   

IMM
DIR
EXT
IX2
IX1
IX
SP1
SP2

A2
B2
C2
D2
E2
F2

9EE2
9ED2

ii
dd
hh ll
ee ff
ff

ff
ee ff

2
3
4
4
3
2
4
5

SEC

Set Carry Bit

C

← 1

– – – – – 1 INH

99

1

SEI

Set Interrupt Mask

I

← 1

– – 1 – – – INH

9B

2

STA opr
STA opr
STA opr,X
STA opr,X
STA ,X
STA opr,SP
STA opr,SP

Store A in M

M

← (A)

0 – –

  –

DIR
EXT
IX2
IX1
IX
SP1
SP2

B7
C7
D7
E7
F7

9EE7
9ED7

dd
hh ll
ee ff
ff

ff
ee ff

3
4
4
3
2
4
5

STHX opr

Store H:X in M

(M:M + 1)

← (H:X)

0 – –

  – DIR

35

dd

4

STOP

Enable Interrupts, Stop Processing,
Refer to MCU Documentation

I

← 0; Stop Processing

– – 0 – – – INH

8E

1

STX opr
STX opr
STX opr,X
STX opr,X
STX ,X
STX opr,SP
STX opr,SP

Store X in M

M

← (X)

0 – –

  –

DIR
EXT
IX2
IX1
IX
SP1
SP2

BF
CF
DF
EF
FF

9EEF
9EDF

dd
hh ll
ee ff
ff

ff
ee ff

3
4
4
3
2
4
5

SUB #opr
SUB opr
SUB opr
SUB opr,X
SUB opr,X
SUB ,X
SUB opr,SP
SUB opr,SP

Subtract A

← (A) – (M)

 – –   

IMM
DIR
EXT
IX2
IX1
IX
SP1
SP2

A0
B0
C0
D0
E0
F0

9EE0
9ED0

ii
dd
hh ll
ee ff
ff

ff
ee ff

2
3
4
4
3
2
4
5

Table 7-1. Instruction Set Summary (Sheet 5 of 6)

Source

Form

Operation

Description

Effect

on CCR

Addre

s

s

Mode

Op

co

de

Op

era

n

d

C

y

cl

es

V H I N Z C

C

b0

b7

b0

b7

C

Advertising
This manual is related to the following products: