cc65/libsrc/pce/gotoxy.s

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;
; void gotoxy (unsigned char x, unsigned char y);
;
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.export _gotoxy
.import popa, plot
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.include "pce.inc"
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_gotoxy:
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sta CURS_Y ; Set Y
jsr popa ; Get X
sta CURS_X ; Set X
jmp plot ; Set the cursor position
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;-------------------------------------------------------------------------------
; force the init constructor to be imported
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.import initconio
conio_init = initconio
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