From 70d2c91f03dd4e2b90dd2419e060bbb220747dd9 Mon Sep 17 00:00:00 2001
From: Brooke Vibber <bvibber@pobox.com>
Date: Mon, 30 Dec 2024 03:56:35 -0800
Subject: [PATCH] fix bank switch on xl/xe

was accidentally enabling basic rom :D

5m46s - 11.759 ms/px - 800xl
5m30s - 11.215 ms/px - 130xe
---
 mandel.s | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mandel.s b/mandel.s
index 8517685..9f594e8 100644
--- a/mandel.s
+++ b/mandel.s
@@ -397,11 +397,11 @@ viewport_oy:
 ;.align 256 ; warning - if not aligned this will cost an extra cycle sometimes
 bank_switch_table:
     .repeat 256, i
-        .byte ((i & $c0) >> 4) | $e1
+        .byte ((i & $c0) >> 4) | $e3
     .endrepeat
 
 .macro bank_switch bank
-    lda #((bank << 2) | $e1)
+    lda #((bank << 2) | $e3)
     sta PORTB
 .endmacro