kernel: ansi: Clear screen with "\033[2J"

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

1 files changed, 10 insertions, 1 deletions

diff --git a/sys/dev/cons/cons_ansi.c b/sys/dev/cons/cons_ansi.c
index e00bdc9..69146b7 100644
--- a/sys/dev/cons/cons_ansi.c
+++ b/sys/dev/cons/cons_ansi.c
@@ -99,8 +99,17 @@ ansi_feed(struct ansi_state *statep, char c)
         statep->prev = c;
         return c;
     case 2:
-        if (c == 'H') {
+        if (c == '2') {
+            statep->csi = 3;
+            statep->prev = c;
+            return c;
+        }
+        break;
+    case 3:
+        /* Did we get '\033[2J' ? */
+        if (statep->prev == '2' && c == 'J') {
             cons_clear_scr(scr, g_root_scr.bg);
+            ansi_reset(statep);
             return ANSI_UPDATE_CURSOR;
         }
         break;