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A-75
INSTRUCTION SET REFERENCE
Binary Mode Source Mode
Not Taken Taken Not Taken Taken
Bytes: 33 22
States: 25 14
Hex Code in: Binary Mode = [A5][Encoding]
Source Mode = [Encoding]
Operation: JSGE
(PC) ← (PC) + 2
IF [(N) = (OV)]
THEN (PC) ← (PC) + rel
JSL rel
Function: Jump if less than (signed)
Description: If the N flag and the OV flag have different values, branch to the address specified;
otherwise proceed with the next instruction. The branch destination is computed by adding
the signed relative displacement in the second instruction byte to the PC, after incrementing
the PC twice.
Flags:
Example: The instruction
JSL LABEL1
causes program execution to continue at LABEL1 if the N flag and the OV flag have different
values.
Binary Mode Source Mode
Not Taken Taken Not Taken Taken
Bytes: 33 22
States: 25 14
Hex Code in: Binary Mode = [A5][Encoding]
Source Mode = [Encoding]
Operation: JSL
(PC) ← (PC) + 2
IF (N) ≠ (OV)
THEN (PC) ← (PC) + rel
[Encoding] 0 1 0 1 1 0 0 0 rel. addr
CY AC OV N Z
—— ! ! !
[Encoding] 0 1 0 0 1 0 0 0 rel. addr