From 45cdd3bdb13e76524a10c2aaec8cd97208d0ae8a Mon Sep 17 00:00:00 2001
From: Dagen Brock <digarok@users.noreply.github.com>
Date: Sun, 15 Mar 2020 16:32:11 -0500
Subject: [PATCH] minor documentation bug fixed (#133)

`$C05a` was incorrectly referred to as enabling VBL polling, which is actually the function of `$C05B`

> C05A=   If IOUDIS on: Disable VBL Interrupts
---
 src/fx/hw.vbl.a | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/fx/hw.vbl.a b/src/fx/hw.vbl.a
index 197813bcf..e1c3013d7 100644
--- a/src/fx/hw.vbl.a
+++ b/src/fx/hw.vbl.a
@@ -68,6 +68,6 @@ UnwaitForVBL
          bpl   -
          lda   $C070      ; $c019 bit 7 is sticky, reset it
          sta   $C07F      ; enable access to VBL register
-         sta   $C05A      ; enable VBL polling
+         sta   $C05A      ; disable VBL polling
          sta   $C07E      ; disable access to VBL register
          rts