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cc65/libsrc/conio/cputs.s

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;
; Ullrich von Bassewitz, 06.08.1998
;
2017-06-28 18:43:31 +00:00
; void cputsxy (unsigned char x, unsigned char y, const char* s);
; void cputs (const char* s);
;
.export _cputsxy, _cputs
.import gotoxy, _cputc
.importzp ptr1, tmp1
_cputsxy:
sta ptr1 ; Save s for later
stx ptr1+1
jsr gotoxy ; Set cursor, pop x and y
jmp L0 ; Same as cputs...
_cputs: sta ptr1 ; Save s
stx ptr1+1
L0: ldy #0
L1: lda (ptr1),y
beq L9 ; Jump if done
iny
sty tmp1 ; Save offset
jsr _cputc ; Output char, advance cursor
ldy tmp1 ; Get offset
bne L1 ; Next char
inc ptr1+1 ; Bump high byte
bne L1
; Done
L9: rts