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ti/lcd: add support for backspace
Also, fix visual glitch on line wrap.
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@ -153,13 +153,6 @@ lcdSendGlyph:
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ld a, (LCD_CURCOL)
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call lcdSetCol
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; let's increase (and wrap) col now
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inc a
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ld (LCD_CURCOL), a
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cp 16
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jr nz, .skip
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call lcdLinefeed
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.skip:
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ld b, FNT_HEIGHT
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.loop:
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ld a, (hl)
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@ -167,6 +160,14 @@ lcdSendGlyph:
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call lcdData
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djnz .loop
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; Increase column and wrap if necessary
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ld a, (LCD_CURCOL)
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inc a
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ld (LCD_CURCOL), a
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cp 16
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jr nz, .skip
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call lcdLinefeed
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.skip:
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pop hl
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pop bc
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pop af
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@ -240,6 +241,8 @@ lcdClrScr:
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lcdPutC:
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cp ASCII_LF
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jp z, lcdLinefeed
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cp ASCII_BS
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jr z, .bs
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push hl
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call fntGet
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jr nz, .end
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@ -247,3 +250,11 @@ lcdPutC:
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.end:
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pop hl
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ret
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.bs:
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ld a, (LCD_CURCOL)
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or a
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ret z ; going back one line is too complicated.
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; not implemented yet
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dec a
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ld (LCD_CURCOL), a
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ret
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