.export _cpeekchar .export _cpeekcharxy .import _gotoxy .include "plus4.inc" .segment "CODE" _cpeekcharxy: jsr _gotoxy ; Set cursor _cpeekchar: ldy CURS_X lda (SCREEN_PTR),y ; get char ldx #0 and #$7f ; 0 - $1f +$40 ; $20 - $3f ; $40 - $7e +$80 cmp #$1f bcs @sk1 ;; clc adc #$40 rts @sk1: cmp #$40 bcc @end clc adc #$80 @end: rts