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cc65/libsrc/geos-common/common/copydata.s

29 lines
605 B
ArmAsm

;
; 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 "geossym.inc"
.include "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