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808SA
808SA INSTRUCTION SET SUMMARY (Cont'd)
Table 5·3
Instruction
Code
(1)
Mnemonic
Description
D7
D6
D5
D4
D3
D2
D1
DO
Page
S81
Subtract
immediate
5·8
from
A
with
borrow
LOGICAL
ANA
r •
And
register
with
A
5·9
XRA
r
Exclusive
a R
register
5·10
with
A
ORA
r a R
register
with
A
5·10
CMPr
Compare
register
with
A
5·11
ANA
M
And
memory
with
A
5·10
XRA
M
Exclusive
OR
memory
5·10
with
A
ORA
M
OR
memory
with
A
5·11
CMPM
Compare
memory
with
A
5·11
ANI
And
immediate
with
A
5·10
XRI
Exclusive
a R
immediate
5·10
with
A
ORI
OR
immediate
with
A
5·11
CPI
Compare
immediate
5·11
with
A
ROTATE
RLC
Rotate A
left
5·11
NOTES:
1.
DOS
or
SSS:
B
000,
COOl,
0
010,
EOll, H
100,
L
101,
Memory
110,
A
111.
2.
Two
possible
cycle
times.
(S/12)
indicate
instruction
cycles
dependent
on
condition
flags
.
• All mnemonics copyrighted © Intel Corporation 1976.
5-22
Mnemonic
Description
RRC
Rotate
A
right
RAL
Rotate
A
left
through
carry
RAR
Rotate
A
right
through
carry
SPECIALS
CMA
Complement
A
STC
Set
carry
CMC
Complement
carry
DAA
Decimal
adjust
A
CONTROL
EI
Enable
Interrupts
01
Disable
Interrupt
NOP
No·operation
HLT
Halt
NEW
BOB5A
INSTRUCTIONS
RIM
SIM
Read
Interrupt
Mask
Set
Interrupt
Mask
Instruction
Code
(1)
07 06
05
D4
03 02
01
00
Page
5·12
5·12
5·12
5·12
5·12
5·12
5·9
5·17
5·17
5·17
5·17
5·17
5·18