Mercurial > public > hwos_code
view src/isr.inc @ 588:bf0c76e9b01b
Sync safety stop countdown output
author | heinrichsweikamp |
---|---|
date | Sat, 10 Mar 2018 15:39:33 +0100 (2018-03-10) |
parents | 11d4fc797f74 |
children | ca4556fb60b9 |
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;============================================================================= ; ; File isr.inc ; ; ; Copyright (c) 2011, JD Gascuel, HeinrichsWeikamp, all right reserved. ;============================================================================= ; HISTORY ; 2011-08-06 : [mH] moving from OSTC code SAFE_2BYTE_COPY MACRO from, to local retry retry: movff from+1,WREG ; High byte in W. movff WREG,to+1 ; and destination. movff from+0,to+0 ; Copy low byte. movff from+1,TABLAT ; another bank-safe read. xorwf TABLAT,W ; High byte changed ? bnz retry ENDM