From 1803967a9e150afa597c3ffc7090909105dd1102 Mon Sep 17 00:00:00 2001
From: Peter Ferrie <peter.ferrie@gmail.com>
Date: Tue, 17 Mar 2020 19:46:01 -0700
Subject: [PATCH] try to fix IIc+ VBL

---
 src/hw.vbl.a      | 3 ++-
 src/hw.vbl.init.a | 4 +++-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/hw.vbl.a b/src/hw.vbl.a
index 27d20be89..0a461fc74 100644
--- a/src/hw.vbl.a
+++ b/src/hw.vbl.a
@@ -16,8 +16,9 @@ WaitForVBL_iie            ; IIe/IIgs have a relatively sane VBL
 -        bit   $C019
 patch_VBL_iigs1
          bpl   -
-patch_VBL_iic
+patch_VBL_iic1
 -        lda   $C019      ; $c019 bit 7 is sticky, reset it (SMC->#$70 for IIc)
+patch_VBL_iic2
 patch_VBL_iigs2
          bmi   -
 WaitForVBL_nop            ; II/II+ have no easy VBL
diff --git a/src/hw.vbl.init.a b/src/hw.vbl.init.a
index b0d3381bd..79c2d73ec 100644
--- a/src/hw.vbl.init.a
+++ b/src/hw.vbl.init.a
@@ -37,7 +37,9 @@ BuildVBLFunction
          rts
 @build_iic
          lda   #$70
-         sta   patch_VBL_iic+1
+         sta   patch_VBL_iic1+1
+         lda   #$60
+         sta   patch_VBL_iic2
          lda   #$EA
          sta   UnwaitForVBL
          rts