From dbf4e07b954d92fb72dbd2b025e04654dbacff21 Mon Sep 17 00:00:00 2001
From: Kelvin Sherlock <ksherlock@gmail.com>
Date: Sun, 26 Sep 2021 19:44:12 -0400
Subject: [PATCH] save restore cursor

---
 vt100.esc.S | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/vt100.esc.S b/vt100.esc.S
index 6da2c5b..4a37730 100644
--- a/vt100.esc.S
+++ b/vt100.esc.S
@@ -133,9 +133,22 @@ vt100_esc ent
 
 
 esc_7 ; save cursor position, graphic rendition, and character set.
+
+	lda x
+	sta saved_x
+	lda y
+	sta saved_y
+
 	rts
 esc_8 ; restore cursor position, graphic rendition, and character set.
-	rts 
+
+* TODO - how does this interact with DECOM?
+
+	lda saved_x
+	sta x
+	lda saved_y
+	sta y
+	jmp recalc_cursor
 
 esc_eq ; enter alternate keypad mode
 	lda #$80