git.sur5r.net Git - cc65/blob - libsrc/geos-common/common/zerobss.s

   1 ;
   2 ; Maciej 'YTM/Elysium' Witkowiak <ytm@elysium.pl>
   3 ; 23.12.2002
   4 ;
   5 ; Zero the bss segment.
   6 ;
   7
   8             .export zerobss
   9             .import __BSS_RUN__, __BSS_SIZE__
  10
  11             .include "jumptab.inc"
  12             .include "geossym.inc"
  13
  14 zerobss:
  15         lda #<__BSS_SIZE__
  16         ldx #>__BSS_SIZE__
  17         sta r0L
  18         stx r0H
  19         lda #<__BSS_RUN__
  20         ldx #>__BSS_RUN__
  21         sta r1L
  22         stx r1H
  23         jmp ClearRam