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Handle backspace on serial input and output better. Better solutions are welcome.

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This commit is contained in:
Austin Clements 2009-09-30 22:32:50 -04:00
parent bab819ed8d
commit 29d8c2eebb
1 changed files with 7 additions and 1 deletions
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8
console.c
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@ -163,7 +163,12 @@ consputc(int c)
; ;
} }
uartputc(c); if (c == BACKSPACE) {
uartputc('\b');
uartputc(' ');
uartputc('\b');
} else
uartputc(c);
cgaputc(c); cgaputc(c);
} }
@ -198,6 +203,7 @@ consoleintr(int (*getc)(void))
} }
break; break;
case C('H'): // Backspace case C('H'): // Backspace
case '\x7f':
if(input.e != input.w){ if(input.e != input.w){
input.e--; input.e--;
consputc(BACKSPACE); consputc(BACKSPACE);