MC68HC908LB8_05 Datasheet, PDF (77/234 Pages) Freescale Semiconductor, Inc – M68HC08 Microcontrollers

Instruction Set Summary
Source
Form
SBC #opr
SBC opr
SBC opr
SBC opr,X
SBC opr,X
SBC ,X
SBC opr,SP
SBC opr,SP
SEC
SEI
STA opr
STA opr
STA opr,X
STA opr,X
STA ,X
STA opr,SP
STA opr,SP
STHX opr
STOP
STX opr
STX opr
STX opr,X
STX opr,X
STX ,X
STX opr,SP
STX opr,SP
SUB #opr
SUB opr
SUB opr
SUB opr,X
SUB opr,X
SUB ,X
SUB opr,SP
SUB opr,SP
SWI
TAP
TAX
TPA
TST opr
TSTA
TSTX
TST opr,X
TST ,X
TST opr,SP
TSX
TXA
TXS
Table 7-1. Instruction Set Summary (Sheet 6 of 7)
Operation
Subtract with Carry
Set Carry Bit
Set Interrupt Mask
Store A in M
Store H:X in M
Enable Interrupts, Stop Processing,
Refer to MCU Documentation
Store X in M
Subtract
Software Interrupt
Transfer A to CCR
Transfer A to X
Transfer CCR to A
Test for Negative or Zero
Transfer SP to H:X
Transfer X to A
Transfer H:X to SP
Description
A ← (A) – (M) – (C)
C←1
I←1
M ← (A)
(M:M + 1) ← (H:X)
I ← 0; Stop Processing
M ← (X)
A ← (A) – (M)
PC ← (PC) + 1; Push (PCL)
SP ← (SP) – 1; Push (PCH)
SP ← (SP) – 1; Push (X)
SP ← (SP) – 1; Push (A)
SP ← (SP) – 1; Push (CCR)
SP ← (SP) – 1; I ← 1
PCH ← Interrupt Vector High Byte
PCL ← Interrupt Vector Low Byte
CCR ← (A)
X ← (A)
A ← (CCR)
(A) – $00 or (X) – $00 or (M) – $00
H:X ← (SP) + 1
A ← (X)
(SP) ← (H:X) – 1
Effect
on CCR
VH I NZC
IMM
DIR
EXT

–
–



IX2
IX1
IX
SP1
SP2
– – – – – 1 INH
– – 1 – – – INH
DIR
EXT
IX2
0 – –   – IX1
IX
SP1
SP2
0 – –   – DIR
– – 0 – – – INH
DIR
EXT
IX2
0 – –   – IX1
IX
SP1
SP2
IMM
DIR
EXT

–
–



IX2
IX1
IX
SP1
SP2
– – 1 – – – INH
      INH
– – – – – – INH
– – – – – – INH
DIR
INH
0
–
–


–
INH
IX1
IX
SP1
– – – – – – INH
– – – – – – INH
– – – – – – INH
A2 ii
2
B2 dd 3
C2 hh ll 4
D2 ee ff 4
E2 ff
3
F2
2
9EE2 ff
4
9ED2 ee ff 5
99
1
9B
2
B7 dd 3
C7 hh ll 4
D7 ee ff 4
E7 ff
3
F7
2
9EE7 ff
4
9ED7 ee ff 5
35 dd 4
8E
1
BF dd 3
CF hh ll 4
DF ee ff 4
EF ff
3
FF
2
9EEF ff
4
9EDF ee ff 5
A0 ii
2
B0 dd 3
C0 hh ll 4
D0 ee ff 4
E0 ff
3
F0
2
9EE0 ff
4
9ED0 ee ff 5
83
9
84
2
97
1
85
1
3D dd 3
4D
1
5D
1
6D ff
3
7D
2
9E6D ff
4
95
2
9F
1
94
2
MC68HC908LB8 Data Sheet, Rev. 1
Freescale Semiconductor
77