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13482984ca
About all CONIO functions offering a <...>xy variant call popa _gotoxy By providing an internal gotoxy variant that starts with a popa all those CONIO function can be shortened by 3 bytes. As soon as program calls more than one CONIO function this means an overall code size reduction.
26 lines
623 B
ArmAsm
26 lines
623 B
ArmAsm
;
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; void gotoxy (unsigned char x, unsigned char y);
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;
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.export gotoxy, _gotoxy
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.import popa, plot
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.include "gamate.inc"
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.include "extzp.inc"
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gotoxy:
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jsr popa ; Get X
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_gotoxy:
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sta CURS_Y ; Set Y
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jsr popa ; Get X
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sta CURS_X ; Set X
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jmp plot ; Set the cursor position
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;-------------------------------------------------------------------------------
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; force the init constructor to be imported
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.import initconio
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conio_init = initconio
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