Get cgaputc and consputc back on the same page

08eef9ea · Austin Clements · 5bf11c50 · 08eef9ea
--- a/console.c
+++ b/console.c
@@ -136,8 +136,7 @@ cgaputc(int c)
  if(c == '\n')
    pos += 80 - pos%80;
  else if(c == BACKSPACE){
-    if(pos > 0)
-      crt[--pos] = ' ' | 0x0700;
+    if(pos > 0) --pos;
  } else
    crt[pos++] = (c&0xff) | 0x0700;  // black on white
  
@@ -164,15 +163,12 @@ consputc(int c)
  }

  if(c == BACKSPACE){
-    uartputc('\b');
-    uartputc(' ');
-    uartputc('\b');
+    uartputc('\b'); uartputc(' '); uartputc('\b');
  } else
    uartputc(c);
  cgaputc(c);
 }

-//PAGEBREAK: 50
 #define INPUT_BUF 128
 struct {
  struct spinlock lock;