mirror of https://github.com/cc65/cc65.git
54 lines
1.4 KiB
ArmAsm
54 lines
1.4 KiB
ArmAsm
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; Ullrich von Bassewitz, 06.08.1998
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;
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; void cputsxy (unsigned char x, unsigned char y, const char* s);
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; void cputs (const char* s);
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;
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.export _cputsxy, _cputs
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.import gotoxy, _cputc
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.importzp ptr1, tmp1
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.macpack cpu
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_cputsxy:
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sta ptr1 ; Save s for later
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stx ptr1+1
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jsr gotoxy ; Set cursor, pop x and y
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.if (.cpu .bitand CPU_ISET_65SC02)
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bra L0 ; Same as cputs...
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.else
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jmp L0 ; Same as cputs...
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.endif
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_cputs: sta ptr1 ; Save s
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stx ptr1+1
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.if (.cpu .bitand CPU_ISET_65SC02)
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L0: lda (ptr1) ; (5)
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beq L9 ; (7) Jump if done
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jsr _cputc ; (13) Output char, advance cursor
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inc ptr1 ; (18) Bump low byte
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bne L0 ; (20) Next char
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inc ptr1+1 ; (25) Bump high byte
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bne L0
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.else
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L0: ldy #0 ; (2)
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L1: lda (ptr1),y ; (7)
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beq L9 ; (9) Jump if done
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iny
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sty tmp1 ; (14) Save offset
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jsr _cputc ; (20) Output char, advance cursor
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ldy tmp1 ; (23) Get offset
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bne L1 ; (25) Next char
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inc ptr1+1 ; (30) Bump high byte
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bne L1
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.endif
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; Done
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L9: rts
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