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CHAPTER 6 DETAILED RULES FOR EXECUTION INSTRUCTIONS
6.18 CALLV (CALL Vectored subroutine)
Branch to the vector address (VA) of vct. Return to the instruction next to this one by
using the RET instruction of the branch subroutine. The vector address (VA) indicated
by VCT is shown on the next page.
■ CALLV (CALL Vectored subroutine)
Operation
(SP) ← (SP) - 2 (Word subtraction), ((SP)) ← (PC) (Word transfer)
(PC) ← (VA)
Assembler format
CALLV #vct
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: 7
Byte count: 1
OP code: E8 to EF
NZVC
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