Omron CJ1G-CPU series, Programming Manual

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100
Conversion Instructions Section 3-10
2’S COMPLE-
MENT
NEG
@NEG
160
Output
Required
DOUBLE 2’S
COMPLEMENT
NEGL
@NEGL
161
Output
Required
16-BIT TO 32-BIT
SIGNED BINARY
SIGN
@SIGN
600
Output
Required
Instruction
Mnemonic
Code
Symbol/Operand Function Location
Execution
condition
S: Source word
R: Result word
NEG(160)
S
R
Calculates the 2's complement of a word of hexadecimal data.
2's complement
(Comp 1)
(R) (S)
S: 1st source
word
R: 1st result word
NEGL(161)
S
R
Calculates the 2's complement of two words of hexadecimal data.
2's complement
(Comp 1)
(S+1, S) (R+1, R)
S: Source word
R: 1st result word
SIGN(600)
S
R
Expands a 16-bit signed binary value to its 32-bit equivalent.
D+1 D
D = Contents of S
MSB = 0:
0000 Hex
MSB = 1:
FFFF Hex
S
MSB