Filter
Top Products
MSM80C154S/83C154S/85C154HVS
266
20. CJNE A, #data, code address
(Compare immediate data to accumulator, jump if not equal)
10110100
70
Instruction code
#data
Relative offset
Operations
Number of bytes
Number of cycles
Flags
(PSW)
Description
: Byte 1
R7 R6 R5 R4 R3 R2 R1 R0
70
Byte 3
(PC)←(PC)+3
IF (A)≠#data
THEN
(PC)←(PC)+relative offset
IF (A)<#data
THEN
(C)←1
ELSE
(C)←0
:
C AC F0 RS1 RS0 OV F1 P
•
:
:
:
The accumulator contents are compared with an immediate
data value, and control is shifted to a relative jump address if
the compared data is not equal. If the compared data is equal,
control is shifted to the next address following this instruction.
The carry flag is set to 1 if the immediate data value is greater
than the accumulator contents, but is set to 0 if otherwise.
:
3
2
I7 I6 I5 I4 I3 I2 I1 I0
70
Byte 2