48
Instruction Functions Section 2-2
ROTATE RIGHT
WITHOUT
CARRY
RRNC
@RRNC
575
Output
Required
387
DOUBLE
ROTATE RIGHT
WITHOUT
CARRY
RRNL
@RRNL
577
Output
Required
388
ONE DIGIT SHIFT
LEFT
SLD
@SLD
074
Output
Required
390
ONE DIGIT SHIFT
RIGHT
SRD
@SRD
075
Output
Required
392
SHIFT N-BIT
DATA LEFT
NSFL
@NSFL
578
Output
Required
393
SHIFT N-BIT
DATA RIGHT
NSFR
@NSFR
579
Output
Required
395
Instruction
Mnemonic
Code
Symbol/Operand Function Location
Execution
condition
Page
RRNC(575)
Wd
Wd: Word
Wd
Shifts all Wd bits one bit to the right not including the Carry Flag (CY).
The contents of the rightmost bit of Wd shifts to the leftmost bit and to
the Carry Flag (CY).
RRNL(577)
Wd
Wd: Word
Wd+1 Wd
Shifts all Wd and Wd +1 bits one bit to the right not including the Carry
Flag (CY). The contents of the rightmost bit of Wd +1 is shifted to the
leftmost bit of Wd, and to the Carry Flag (CY).
SLD(074)
St
E
St: Starting word
E: End word
ES
Lost
t
Shifts data by one digit (4 bits) to the left.
SRD(075)
St
E
St: Starting word
E: End word
ESt
Lost
Shifts data by one digit (4 bits) to the right.
NSFL(578)
D
C
N
D: Beginning
word for shift
C: Beginning bit
N: Shift data
len
th
Shifts one bit to the left
Shifts the specified number of bits to the left.
N−1 bit
N−1 bit
NSFR(579)
D
C
N
N: Shift data
length
C: Beginning bit
D: Beginning
word for shift
Shifts one bit to the righ