kernel: cons: Clear entire screen on demand

- Flush the entire output buffer
- Wipe the whole screen with "bg"
- The entire console will now be cleared when a "\033[H" sequence is
  encountered

Signed-off-by: Ian Moffett <ian@osmora.org>

1 files changed, 1 insertions, 2 deletions

diff --git a/sys/dev/cons/cons_ansi.c b/sys/dev/cons/cons_ansi.c
index 4403f9c..ab1f22a 100644
--- a/sys/dev/cons/cons_ansi.c
+++ b/sys/dev/cons/cons_ansi.c
@@ -90,8 +90,7 @@ ansi_feed(struct ansi_state *statep, char c)
         return c;
     case 2:
         if (c == 'H') {
-            cons_reset_cursor(&g_root_scr);
-            ansi_reset(statep);
+            cons_clear_scr(&g_root_scr, g_root_scr.bg);
             return ANSI_UPDATE_CURSOR;
         }
         break;