From 5e3714e921d415796ac33a28fbf2ca58979077c1 Mon Sep 17 00:00:00 2001
From: zsknight <>
Date: Sun, 20 May 2001 00:46:47 +0000
Subject: [PATCH] Fixed Wordtris (reading from 002100) Implemented William's
 Arcade Classic copy protection (reading from 003030)

---
 zsnes/src/cpu/regs.inc | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/zsnes/src/cpu/regs.inc b/zsnes/src/cpu/regs.inc
index 6d246ba5..4e7c804e 100644
--- a/zsnes/src/cpu/regs.inc
+++ b/zsnes/src/cpu/regs.inc
@@ -46,6 +46,7 @@ NEWSYM initregr
     add edi,4
     loop .loopa
     ; Set all valid register accesses
+    setreg 2100h*4,reg2100r
     setreg 2134h*4,reg2134r
     setreg 2135h*4,reg2135r
     setreg 2136h*4,reg2136r
@@ -210,6 +211,9 @@ NEWSYM initregr
     setreg 437Dh*4,reg43XXr
     setreg 437Eh*4,reg43XXr
     setreg 437Fh*4,reg43XXr
+
+    setreg 3030h*4,reg3030r
+
     cmp byte[SFXEnable],0
     je .nosfx
     call initsfxregsr
@@ -454,6 +458,11 @@ NEWSYM ClearRegs
     mov word[bg4objptr],0
     ret
 
+reg2100r:
+    mov al,[vidbright]
+    or al,[forceblnk]
+    ret
+
 ; Multiply Result Low
 reg2134r:
     checkmultchange
@@ -1074,6 +1083,10 @@ reg43XXr:
     mov al,[dmadata+ebx]
     ret
 
+reg3030r:
+    mov al,0FFh
+    ret
+
 regINVALID:     ; Invalid Register
     xor al,al
 ;    mov al,30h