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-rw-r--r--console.c8
1 files changed, 2 insertions, 6 deletions
diff --git a/console.c b/console.c
index a3cdf96..e7ed248 100644
--- 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;