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cc65/libsrc/geos-common/graph/initdrawwindow.s

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;
; Maciej 'YTM/Alliance' Witkowiak
;
; 29.10.99
; 11.03.2000
; void InitDrawWindow (struct window *myWindow);
.importzp ptr4
.export _InitDrawWindow
.include "geossym.inc"
_InitDrawWindow: ; a/x is a struct window*
sta ptr4
stx ptr4+1
ldy #0
copyWin:lda (ptr4),y
sta r2L,y
iny
cpy #6
bne copyWin
rts