Fujitsu F2MC-8FX Manual Do Utilizador

CHAPTER 6 DETAILED RULES FOR EXECUTION INSTRUCTIONS

6.17 CALL (CALL subroutine)

Branch to address of ext. Return to the instruction next to this one by using the RET
instruction of the branch subroutine.

■

CALL (CALL subroutine)

Operation

(SP)

← (SP) - 2 (Word subtraction), ((SP)) ← (PC) (Word transfer)

(PC)

← ext

Assembler format

CALL ext

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: 6

Byte count: 3

OP code: 31