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CHAPTER 6 DETAILED RULES FOR EXECUTION INSTRUCTIONS
6.81 XCHW (eXCHange Word Data Accumulator and Program
Counter)
Exchange the word data of PC for that of A.
■ XCHW (eXCHange Word Data Accumulator and Program Counter)
Operation
(PC) ← (A) (word transfer)
(A) ← (PC) +1 (word addition, word transfer)
Assembler format
XCHW A, PC
Condition code (CCR)
+: Changed by executing instruction
-: Not changed
N: Not changed
Z: Not changed
V: Not changed
C: Not changed
Number of execution cycles: 3
Byte count: 1
OP code: F4
NZVC
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