4501_M Datasheet, PDF (107/212 Pages) Renesas Technology Corp – 4-BIT CISC SINGLE-CHIP MICROCOMPUTER 4500 SERIES

4501 Group
HARDWARE
INSTRUCTIONS
Skip condition
Datailed description
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– Branch within a page : Branches to address a in the identical page.
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– Branch out of a page : Branches to address a in page p.
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– 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.
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– Call the subroutine in page 2 : Calls the subroutine at address a in page 2.
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– Call the subroutine : Calls the subroutine at address a in page p.
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– 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.
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– 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.
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– Returns from subroutine to the routine called the subroutine.
Skip at uncondition – Returns from subroutine to the routine called the subroutine, and skips the next instruction at uncondition.
Rev.2.01 Feb 07, 2005
REJ09B0192-0201
1-95