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7-6
Section
Instruction Tables
371
7-6-2 CPM2A/CPM2C Function Codes
The following table lists the CPM2A/CPM2C
(including the CPM2C-S) instruc-
tions that have fixed function 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
di it
Right digit
digit
0
1
2
3
4
5
6
7
8
9
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
REVERS-
IBLE
COUNTER
DIFU
DIFFER-
ENTIATE UP
DIFD
DIFFER-
ENTIATE
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
DECRE-
MENT
4
(@) STC
SET CARRY
(@) CLC
CLEAR
CARRY
---
---
---
---
(@) MSG
MESSAGE
DISPLAY
(@) RXD
RECEIVE
(@) TXD
TRANSMIT
---
5
(@) ADB
BINARY ADD
(@) SBB
BINARY
SUBTRACT
(@) MLB
BINARY
MULTIPLY
(@) DVB
BINARY
DIVIDE
(@) ADDL
DOUBLE
BCD ADD
(@) SUBL
DOUBLE
BCD
SUBTRACT
(@) MULL
DOUBLE
BCD
MULTIPLY
(@) DIVL
DOUBLE
BCD
DIVIDE
(@) BINL
DOUBLE
BCD-TO-
DOUBLE
BINARY
(@) BCDL
DOUBLE
BINARY-TO-
DOUBLE
BCD
6
CMPL
DOUBLE
COMPARE
(@) INI
MODE CON-
TROL
(@) PRV
HIGH-
SPEED
COUNTER
PV READ
(@) CTBL
COMPARI-
SON TABLE
LOAD
(@) SPED
SPEED OUT-
PUT
(@) PULS
SET PULSES
(@) SCL
SCALING
(@) BCNT
BIT COUNT-
ER
(@) BCMP
BLOCK
COMPARE
(@) 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
REVERS-
IBLE SHIFT
REGISTER
(@) TCMP
TABLE
COMPARE
(@) ASC
ASCII
CONVERT
---
---
(@) INT
INTERRUPT
CONTROL
9
---
(@) SBS
SUBROU-
TINE
ENTRY
SBN
SUBROU-
TINE
DEFINE
RET
SUBROU-
TINE
RETURN
---
---
---
(@) IORF
I/O
REFRESH
---
(@) MCRO
MACRO
Note
The shaded areas are function codes to which expansion instructions are allo-
cated by default or to which the user can allocate expansion instructions. The
following expansion instructions are available in addition to the ones listed
above with default function codes.
Mnemonic
Name
Mnemonic
Name
(@)ACC
ACCELERATION CONTROL
(@)SCL3
BCD TO SIGNED BINARY
SCALING
AVG
AVERAGE VALUE
(@)SEC
HOURS TO SECONDS
(@)FCS
FCS CALCULATE
(@)SRCH
DATA SEARCH
(@)HEX
ASCII-TO-HEXADECIMAL
(@)STUP
CHANGE RS-232C SETUP
(@)HMS
SECONDS TO HOURS
(@)SUM
SUM CALCULATE
(@)MAX
FIND MAXIMUM
SYNC
SYNCHRONIZED PULSE
CONTROL
(@)MIN
FIND MINIMUM
TIML
LONG TIMER
(@)NEG
2’S COMPLEMENT
TMHH
VERY HIGH-SPEED TIMER
PID
PID CONTROL
ZCP
AREA RANGE COMPARE
(@)PWM
PULSE WITH VARIABLE DUTY
RATIO
ZCPL
DOUBLE AREA RANGE
COMPARE
(@)SCL2
SIGNED BINARY TO BCD
SCALING
CO