Special timing for Cyber Knight 2 because it jumps in invalid code on spc if communication registers are not set at the same time

zsnes/src/init.asm

@@ -1464,6 +1464,23 @@ NEWSYM headerhack
     mov byte[ENVDisable],0
     mov byte[MMXSRAMFix],0
 
+    mov esi,[romdata]
+    add esi,07FC0h
+    cmp dword[esi],'CYBE'
+    jne .notcyberknight2
+    cmp dword[esi+4],'R KN'
+    jne .notcyberknight2
+    cmp dword[esi+8],'IGHT'
+    jne .notcyberknight2
+    cmp dword[esi+12],' 2  '
+    mov byte[cycpb268],75
+    mov byte[cycpb358],77
+    mov byte[cycpbl2],75
+    mov byte[cycpblt2],75
+    mov byte[cycpbl],75
+    mov byte[cycpblt],75
+.notcyberknight2
+
     mov esi,[romdata]
     add esi,07FC0h
     cmp dword[esi],0B4B1DEC3h