From 8222e2485f40db26aa6755e3096c2b91a99a098b Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@linux.intel.com>
Date: Sat, 23 May 2015 00:12:25 +0100
Subject: [PATCH] trs80: still trying to fix tty switch

---
 Kernel/platform-trs80/devtty.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Kernel/platform-trs80/devtty.c b/Kernel/platform-trs80/devtty.c
index 338d7365..284446eb 100644
--- a/Kernel/platform-trs80/devtty.c
+++ b/Kernel/platform-trs80/devtty.c
@@ -98,9 +98,15 @@ void tty_putc(uint8_t minor, unsigned char c)
     else {
         irq = di();
         if (curtty != minor -1) {
+            /* Kill the cursor as we are changing the memory buffers. If
+               we don't do this the next cursor_off will hit the wrong
+               buffer */
+            cursor_off();
             vt_save(&ttysave[curtty]);
             curtty = minor - 1;
             vt_load(&ttysave[curtty]);
+            /* Fix up the cursor */
+            cursor_on(ttysave[curtty].cursory, ttysave[curtty].cursorx);
        }
        vtoutput(&c, 1);
        irqrestore(irq);
-- 
2.34.1