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Processor Control
CLC
=
Clear Carry
STC
=
Set Carry
1 ....
_"_'_,_,0_0_0
......
1
I
11111001
CMC
=
Complement Carry
NOP
=
No Operation
I
11110101
1
1 ....
_' ° _°_' ° _°_°°
_
CLD
=
Clear Direction
STD
=
Set Direction
_ _ ,,_,_,_,,_0_0
.......
1 1
11111101
CLI
=
Clear Interrupt
STI
=
Set Interrupt
1 ....
_"_'_,_,0_,_0
1
I
11111011
HLT
=
Halt
WAIT
=
Wait
_____ "_'_'0_'_0_0
.......
1 I
10011011
LOCK
=
Bus lock prefix
ESC
=
Escape (to 8087)
1 .....
_"_'_,0_0_0_0
1
I
11011xxx
I
mod xxx
r/ml
Instruction Set
6-23
-
- Quick Links:
- Section 1. System Board
- 64/256K System Board
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