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37 lines
857 B
ArmAsm
37 lines
857 B
ArmAsm
;
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; Ullrich von Bassewitz, 2003-04-13
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;
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; void cvlinexy (unsigned char x, unsigned char y, unsigned char length);
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; void cvline (unsigned char length);
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;
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.export _cvlinexy, _cvline
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.import rvs, display_conio, update_adscr
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.import popax
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.include "telestrat.inc"
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_cvlinexy:
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pha ; Save the length
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jsr popax ; Get X and Y
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sta SCRY ; Store Y
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stx SCRX ; Store X
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jsr update_adscr
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pla ; Restore the length and run into _cvline
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_cvline:
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tax ; Is the length zero?
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beq @L9 ; Jump if done
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@L1:
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lda #'|'
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ora rvs
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jsr display_conio
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@L2: dex
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bne @L1
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@L9: rts
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