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4524_M Datasheet, PDF (150/310 Pages) Renesas Technology Corp – 4-BIT CISC SINGLE-CHIP MICROCOMPUTER 720 FAMILY / 4500 SERIES | |||
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4524 Group
HARDWARE
INSTRUCTIONS
Skip condition
Datailed description
â
â Branch within a page : Branches to address a in the identical page.
â
â Branch out of a page : Branches to address a in page p.
â
â Branch out of a page : Branches to address (DR2 DR1 DR0 A3 A2 A1 A0)2 specified by registers D and A in
page p.
â
â Call the subroutine in page 2 : Calls the subroutine at address a in page 2.
â
â Call the subroutine : Calls the subroutine at address a in page p.
â
â Call the subroutine : Calls the subroutine at address (DR2 DR1 DR0 A3 A2 A1 A0)2 specified by registers D
and A in page p.
â
â Returns from interrupt service routine to main routine.
Returns each value of data pointer (X, Y, Z), carry flag, skip status, NOP mode status by the continuous de-
scription of the LA/LXY instruction, register A and register B to the states just before interrupt.
â
â Returns from subroutine to the routine called the subroutine.
Skip at uncondition â Returns from subroutine to the routine called the subroutine, and skips the next instruction at uncondition.
Rev.2.00 Aug, 06 2004
REJ09B0107-0200Z
1-137
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