Sonic Alert msm85c154hvs Clock Radio User Manual


 
DESCRIPTION OF INSTRUCTIONS
355
96. SJMP code address (Short jump)
10000000
70
Instruction code
Relative offset
Operations
Number of bytes
Number of cycles
Flags
(PSW)
Description
: Byte 1
(PC)(PC)+2
(PC)(PC)+relative offset
:
C AC F0 RS1 RS0 OV F1 P
:
:
:
Relative offset jump data is added/subtracted to/from the
program counter contents following an increment. The program
counter contents are updated, and control is then shifted to the
updated address. The range in which relative jumps can be
executed by this instruction is +127 to –128 in respect to the
incremented program counter contents. There is no page field
restrictions.
:
2
2
R7 R6 R5 R4 R3 R2 R1 R0
70
Byte 2