Changeset e8a9dc3 in mainline for arch/ia32/src/drivers/ega.c

Timestamp:

2005-12-10T16:37:20Z (19 years ago)

Author:

Ondrej Palkovsky <ondrap@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

e5fcf00

Parents:

f7f6f25

Message:

Added support for backspace

• printing '\b' should move the cursor one char to the left
• backspace key should return '\b' to application

File:

• arch/ia32/src/drivers/ega.c (modified) (1 diff)

arch/ia32/src/drivers/ega.c

@@ -100 +100 @@
 
         switch (ch) {
-            case '\n':
+        case '\n':
                 ega_cursor = (ega_cursor + ROW) - ega_cursor % ROW;
                 break;
-            case '\t':
+        case '\t':
                 ega_cursor = (ega_cursor + 8) - ega_cursor % 8;
                 break; 
-            default:
+        case '\b':
+                if (ega_cursor % ROW)
+                        ega_cursor--;
+                break;
+        default:
                 ega_display_char(ch);
                 ega_cursor++;