61 lines
1.0 KiB
ArmAsm
61 lines
1.0 KiB
ArmAsm
;
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; Oleg A. Odintsov, Moscow, 2024
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; Konstantin Fedorov, 12.06.2025
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;
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; void __fastcall__ cputcxy (unsigned char x, unsigned char y, char c);
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; void __fastcall__ cputc (char c);
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;
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.import COUT
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.export _cputcxy, _cputc, newline, putchar,putchardirect
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.import gotoxy, VTABZ
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.include "agat.inc"
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_cputcxy:
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pha
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jsr gotoxy
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pla
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_cputc:
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cmp #$0D ; Test for \r = carriage return
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bne notleft
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ldy #$00
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sty CH
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rts
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notleft:
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cmp #$0A ; Test for \n = line feed
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beq newline
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putchar:
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ldy CH
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sta (BASL),Y
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iny
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lda TATTR
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bmi wch ; Skip if t64
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sta (BASL),Y
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iny
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wch:
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sty CH
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cpy WNDWDTH
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bcc noend
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ldy #$00
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sty CH
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newline:
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inc CV
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lda CV
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cmp WNDBTM
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bcc :+
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lda WNDTOP
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sta CV
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: jmp VTABZ
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noend:
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rts
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putchardirect:
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ldy CH
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sta (BASL),Y
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lda TATTR
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bmi :+
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iny
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sta (BASL),Y
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: rts
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