195
Instruction Tables Section 5-6
5-6-2 CPM1/CPM1A Function Codes
The following table lists the CPM1/CPM1A instructions that have fixed func-
tion codes. Each instruction is listed by mnemonic and by instruction name.
Use the numbers in the leftmost column as the left digit and the number in the
column heading as the right digit of the function code.
Left
digit
Right digit
0123456789
0
NOP
NO
OPERATION
END
END
IL
INTERLOCK
ILC
INTERLOCK
CLEAR
JMP
JUMP
JME
JUMP END
(@) FAL
FAILURE
ALARM AND
RESET
FALS
SEVERE
FAILURE
ALARM
STEP
STEP
DEFINE
SNXT
STEP START
1
SFT
SHIFT
REGISTER
KEEP
KEEP
CNTR
REVERSIBLE
COUNTER
DIFU
DIFFERENTI-
ATE UP
DIFD
DIFFERENTI-
ATE DOWN
TIMH
HIGH-
SPEED
TIMER
(@) WSFT
WORD SHIFT
(@) ASFT
ASYNCHRO-
NOUS SHIFT
REGISTER
--- ---
2
CMP
COMPARE
(@) MOV
MOVE
(@) MVN
MOVE NOT
(@) BIN
BCD TO
BINARY
(@) BCD
BINARY TO
BCD
(@) ASL
SHIFT LEFT
(@) ASR
SHIFT RIGHT
(@) ROL
ROTATE LEFT
(@) ROR
ROTATE
RIGHT
(@) COM
COMPLE-
MENT
3
(@) ADD
BCD ADD
(@) SUB
BCD
SUBTRACT
(@) MUL
BCD
MULTIPLY
(@) DIV
BCD
DIVIDE
(@) ANDW
LOGICAL
AND
(@) ORW
LOGICAL OR
(@) XORW
EXCLUSIVE
OR
(@) XNRW
EXCLUSIVE
NOR
(@) INC
INCREMENT
(@) DEC
DECREMENT
4
(@) STC
SET CARRY
(@) CLC
CLEAR
CARRY
--- --- --- --- (@) MSG
MESSAGE
DISPLAY
--- --- ---
5
(@) ADB
BINARY ADD
(@) SBB
BINARY SUB-
TRACT
(@) MLB
BINARY MUL-
TIPLY
(@) DVB
BINARY
DIVIDE
(@) ADDL
DOUBLE BCD
ADD
(@) SUBL
DOUBLE BCD
SUBTRACT
(@) MULL
DOUBLE BCD
MULTIPLY
(@) DIVL
DOUBLE BCD
DIVIDE
--- ---
6
CMPL
DOUBLE
COMPARE
(@) INI
MODE CON-
TROL
(@) PRV
HIGH-SPEED
COUNTER PV
READ
(@) CTBL
COMPARI-
SON TABLE
LOAD
--- --- --- (@) BCNT
BIT
COUNTER
(@) BCMP
BLOCK COM-
PA R E
(@) STIM
INTERVAL
TIMER
7
(@) XFER
BLOCK
TRANSFER
(@) BSET
BLOCK SET
--- (@) XCHG
DATA
EXCHANGE
(@) SLD
ONE DIGIT
SHIFT LEFT
(@) SRD
ONE DIGIT
SHIFT RIGHT
(@) MLPX
4-TO-16
DECODER
(@) DMPX
16-TO-4
ENCODER
(@) SDEC
7-SEGMENT
DECODER
---
8
(@) DIST
SINGLE
WORD
DISTRIBUTE
(@) COLL
DATA
COLLECT
(@) MOVB
MOVE BIT
(@) MOVD
MOVE DIGIT
(@) SFTR
REVERSIBLE
SHIFT REG-
ISTER
(@) TCMP
TABLE
COMPARE
(@) ASC
ASCII
CONVERT
--- --- (@) INT
INTERRUPT
CONTROL
9
--- (@) SBS
SUBROUTINE
ENTRY
SBN
SUBROUTINE
DEFINE
RET
SUBROUTINE
RETURN
--- --- --- (@) IORF
I/O
REFRESH
--- (@) MCRO
MACRO