Merge branch 'master' of git+ssh://amsterdam.csail.mit.edu/home/am0/6.828/xv6

1 files changed, 10 insertions, 1 deletions

diff --git a/console.c b/console.c
index 0613a47..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);
@@ -205,6 +211,9 @@ consoleintr(int (*getc)(void))
       break;
     default:
       if(c != 0 && input.e-input.r < INPUT_BUF){
+        // The serial port produces 0x13, not 0x10
+        if(c == '\r')
+          c = '\n';
         input.buf[input.e++ % INPUT_BUF] = c;
         consputc(c);
         if(c == '\n' || c == C('D') || input.e == input.r+INPUT_BUF){