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own versions of some common routines, fillram and movedata equal to memset

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and memcpy


git-svn-id: svn://svn.cc65.org/cc65/trunk@789 b7a2c559-68d2-44c3-8de9-860c34a00d81
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izydorst
2001-07-15 16:09:50 +00:00
parent 66bcf9ac4e
commit 8e97e1f4b7
14 changed files with 160 additions and 26 deletions
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27
libsrc/geos/common/copydata.s Normal file
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;
; Maciej 'YTM/Elysium' Witkowiak 15.07.2001
;
; Copy the data segment from the LOAD to the RUN location
;
.export copydata
.import __DATA_LOAD__, __DATA_RUN__, __DATA_SIZE__
.include "../inc/geossym.inc"
.include "../inc/jumptab.inc"
copydata:
lda #<__DATA_SIZE__ ; no need to check if it is == 0
ldx #>__DATA_SIZE__
sta r2L
stx r2H
lda #<__DATA_RUN__
ldx #>__DATA_RUN__
sta r1L
stx r1H
lda #<__DATA_LOAD__
ldx #>__DATA_LOAD__
sta r0L
stx r0H
jmp MoveData