From b7b4b42f19edcdc751688b691ad985d2e6fd91ff Mon Sep 17 00:00:00 2001
From: Ian Moffett <ian@osmora.org>
Date: Sun, 12 May 2024 19:31:02 -0400
Subject: kernel: vcons: Support ASCII_BS for backspace
Signed-off-by: Ian Moffett <ian@osmora.org>
---
sys/dev/vcons/vcons_io.c | 6 ++++++
1 file changed, 6 insertions(+)
(limited to 'sys/dev/vcons')
diff --git a/sys/dev/vcons/vcons_io.c b/sys/dev/vcons/vcons_io.c
index 4c0151a..f4e693e 100644
--- a/sys/dev/vcons/vcons_io.c
+++ b/sys/dev/vcons/vcons_io.c
@@ -69,6 +69,12 @@ vcons_process_output(struct vcons_screen *scr, int c)
case ASCII_HT:
vcons_expand_tab(scr);
break;
+ case ASCII_BS:
+ if (cursor->xpos > 0) {
+ scr->cpy_x--;
+ cursor->xpos -= FONT_WIDTH;
+ }
+ break;
default:
return -1;
}
--
cgit v1.2.3