INSTRUCTION DESCRIPTIONS
A - 116 INSTRUCTION SET DETAILS MOTOROLA
Operation: Assembler Syntax:
0xxx ➞ PC JMP xxx
ea ➞ PC JMP ea
Description: Jump to the location in program memory given by the instruction’s effective
address. All memory alterable addressing modes may be used for the effective address.
A Fast Short Jump addressing mode may also be used. The 12-bit data is zero extended
to form the effective address.
Restrictions: A JMP instruction used within a DO loop cannot begin at the address LA
within that DO loop.
A JMP instruction cannot be repeated using the REP instruction.
Example: :
JMP (R1+N1) ;jump to program address P:(R1+N1)
:
Explanation of Example: In this example, program execution is transferred to the pro-
gram address P:(R1+N1).
Condition Codes:
The condition codes are not affected by this instruction.
Instruction Format:
JMP xxx
Opcode:
JMP Jump JMP
MR CCR
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
LF DM T ** S1 S0 I1 I0 S L E U N Z V C
23 16 15 8 7 0
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