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MSM80C154S/83C154S/85C154HVS
294
42. JB bit address, code address (Jump if bit is set)
00100000
70
Instruction code
Bit address
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 (bit address)=1
THEN
(PC)←(PC)+relative offset
:
C AC F0 RS1 RS0 OV F1 P
:
:
:
Control is shifted to a relative jump address if the specified bit
address content is 1.
Control is shifted to the next address following this instruction if
the content is 0.
:
3
2
b7 b6 b5 b4 b3 b2 b1 b0
70
Byte 2