xterm altscr/normscr

useful for terminal graphics

1 files changed, 3 insertions, 0 deletions

diff --git a/jefs.fs b/jefs.fs
index 567b3aa..65c2a99 100644
--- a/jefs.fs
+++ b/jefs.fs
@@ -443,6 +443,9 @@ make old-termios old-termios# allot
 \ }}}
 : raw  backup-termios termios dup raw-iflag dup raw-oflag dup raw-lflag
 	dup raw-cflag TCSETSF stdin ioctl ;
+
+: altscr  CSI ." ?1049h" ;
+: normscr  CSI ." ?1049l" ;
 \ }}}
 
 \ TIME {{{