From 29d8c2eebbce0274a50558bffc94099083a2cb16 Mon Sep 17 00:00:00 2001
From: Austin Clements <amdragon@mit.edu>
Date: Wed, 30 Sep 2009 22:32:50 -0400
Subject: [PATCH] Handle backspace on serial input and output better. Better
solutions are welcome.
---
console.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/console.c b/console.c
index f7a6590..16d0e7a 100644
--- a/console.c
+++ b/console.c
@@ -163,7 +163,12 @@ consputc(int c)
;
}
- uartputc(c);
+ if (c == BACKSPACE) {
+ uartputc('\b');
+ uartputc(' ');
+ uartputc('\b');
+ } else
+ uartputc(c);
cgaputc(c);
}
@@ -198,6 +203,7 @@ consoleintr(int (*getc)(void))
}
break;
case C('H'): // Backspace
+ case '\x7f':
if(input.e != input.w){
input.e--;
consputc(BACKSPACE);
--
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