MMX Fix Stuff

2001-05-11 02:03:17 +00:00
parent 91194f058b
commit 6bb55bd042
2 changed files with 23 additions and 16 deletions
--- a/zsnes/src/init.asm
+++ b/zsnes/src/init.asm
@@ -2026,6 +2026,29 @@ NEWSYM initsnes
    mov dword[NoiseDisTemp],0
    mov dword[NoiseDisTemp+4],0

+    mov esi,[romdata]
+    add esi,7FC0h
+    cmp dword[esi],'MEGA'
+    jne .notmmx
+    cmp dword[esi+4],'MAN '
+    jne .notmmx
+    cmp dword[esi+8],'X   '
+    jne .notmmx
+    mov esi,[romdata]
+    cmp byte[esi+824Ah],0F0h
+    jne .mmxa
+    mov byte[esi+824Ah],080h
+.mmxa
+    cmp byte[esi+21FC3h],0F0h
+    jne .mmxb
+    mov byte[esi+21FC3h],080h
+.mmxb
+    cmp byte[esi+2241Bh],0F0h
+    jne .mmxc
+    mov byte[esi+2241Bh],080h
+.mmxc
+.notmmx
+
    mov esi,[romdata]
    add esi,7FC0h
    cmp word[esi],'BS'  ; 7FFFFFA