
Instruction Set
Technical Data
MC68HC05C8A
MC68HCL05C8A
MC68HSC05C8A
—
Rev. 5.0
114
Instruction Set
MOTOROLA
BHS
rel
Branch if Higher or Same
PC
←
(PC) + 2 +
rel
C = 0
— — — — —
REL
24
rr
3
BIH
rel
Branch if IRQ Pin High
PC
←
(PC) + 2 +
rel
IRQ = 1
— — — — —
REL
2F
rr
3
BIL
rel
Branch if IRQ Pin Low
PC
←
(PC) + 2 +
rel
IRQ = 0
— — — — —
REL
2E
rr
3
BIT #
opr
BIT
opr
BIT
opr
BIT
opr
,X
BIT
opr
,X
BIT ,X
Bit Test Accumulator with Memory Byte
(A)
∧
(M)
— —
—
IMM
DIR
EXT
IX2
IX1
IX
A5
B5
C5
D5
E5
F5
ii
dd
hh ll
ee ff
ff
2
3
4
5
4
3
BLO
rel
Branch if Lower (Same as BCS)
PC
←
(PC) + 2 +
rel
C = 1
— — — — —
REL
25
rr
3
BLS
rel
Branch if Lower or Same
PC
←
(PC) + 2 +
rel
C
∨
Z = 1
— — — — —
REL
23
rr
3
BMC
rel
Branch if Interrupt Mask Clear
PC
←
(PC) + 2 +
rel
I = 0
— — — — —
REL
2C
rr
3
BMI
rel
Branch if Minus
PC
←
(PC) + 2 +
rel
N = 1
— — — — —
REL
2B
rr
3
BMS
rel
Branch if Interrupt Mask Set
PC
←
(PC) + 2 +
rel
I = 1
— — — — —
REL
2D
rr
3
BNE
rel
Branch if Not Equal
PC
←
(PC) + 2 +
rel
Z = 0
— — — — —
REL
26
rr
3
BPL
rel
Branch if Plus
PC
←
(PC) + 2 +
rel
N = 0
— — — — —
REL
2A
rr
3
BRA
rel
Branch Always
PC
←
(PC) + 2 +
rel
1 = 1
— — — — —
REL
20
rr
3
BRCLR
n opr rel
Branch if Bit n Clear
PC
←
(PC) + 2 +
rel
Mn = 0
— — — —
DIR (b0)
DIR (b1)
DIR (b2)
DIR (b3)
DIR (b4)
DIR (b5)
DIR (b6)
DIR (b7)
01
03
05
07
09
0B
0D
0F
dd rr
dd rr
dd rr
dd rr
dd rr
dd rr
dd rr
dd rr
5
5
5
5
5
5
5
5
BRN
rel
Branch Never
PC
←
(PC) + 2 +
rel
1 = 0
— — — — —
REL
21
rr
3
BRSET
n opr rel
Branch if Bit n Set
PC
←
(PC) + 2 +
rel
Mn = 1
— — — —
DIR (b0)
DIR (b1)
DIR (b2)
DIR (b3)
DIR (b4)
DIR (b5)
DIR (b6)
DIR (b7)
00
02
04
06
08
0A
0C
0E
dd rr
dd rr
dd rr
dd rr
dd rr
dd rr
dd rr
dd rr
5
5
5
5
5
5
5
5
BSET
n opr
Set Bit n
Mn
←
1
— — — — —
DIR (b0)
DIR (b1)
DIR (b2)
DIR (b3)
DIR (b4)
DIR (b5)
DIR (b6)
DIR (b7)
10
12
14
16
18
1A
1C
1E
dd
dd
dd
dd
dd
dd
dd
dd
5
5
5
5
5
5
5
5
BSR
rel
Branch to Subroutine
PC
←
(PC) + 2; push (PCL)
SP
←
(SP)
–
1; push (PCH)
SP
←
(SP)
–
1
PC
←
(PC) +
rel
— — — — —
REL
AD
rr
6
Table 12-6. Instruction Set Summary (Sheet 2 of 6)
Source
Form
Operation
Description
Effect
on CCR
A
M
O
O
C
H I N Z C