From: Austin Clements <amdragon@mit.edu>
Date: Thu, 1 Oct 2009 02:32:50 +0000 (-0400)
Subject: Handle backspace on serial input and output better.  Better solutions are welcome.
X-Git-Url: https://git.devinivas.org/?a=commitdiff_plain;h=29d8c2eebbce0274a50558bffc94099083a2cb16;p=cs3210-lab1.git

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

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);