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32 lines
973 B
ArmAsm
32 lines
973 B
ArmAsm
;
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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 soft80_cvline, soft80_cvlinexy
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.import popa, _gotoxy, soft80_putchar, soft80_newline
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.importzp tmp1
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.include "c64.inc"
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.include "soft80.inc"
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soft80_cvlinexy:
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pha ; Save the length
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jsr popa ; Get y
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jsr _gotoxy ; Call this one, will pop params
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pla ; Restore the length and run into soft80_cvlinexy
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soft80_cvline:
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cmp #0 ; Is the length zero?
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beq L9 ; Jump if done
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sta tmp1
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L1: lda #CH_VLINE ; Vertical bar, petscii code
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jsr soft80_putchar ; Write, no cursor advance
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jsr soft80_newline ; Advance cursor to next line
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dec tmp1
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bne L1
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L9: rts
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