Vortex now working again

zsnes/src/cpu/regs.inc

@@ -317,8 +317,8 @@ NEWSYM divres,    dw 0             ; quotent of divc/divb
 NEWSYM multres,   dw 0             ; result of multa * multb/remainder of divc/divb
 NEWSYM latchx,    dw 0             ; latched x value
 NEWSYM latchy,    dw 0             ; latched y value
-NEWSYM latchxr,   db 1             ; low or high byte read for x value
-NEWSYM latchyr,   db 1             ; low or high byte read for y value
+NEWSYM latchxr,   db 0             ; low or high byte read for x value
+NEWSYM latchyr,   db 0             ; low or high byte read for y value
 NEWSYM frskipper, db 0             ; used to control frame skipping
 NEWSYM winl1,     db 0             ; window 1 left position
 NEWSYM winr1,     db 0             ; window 1 right position

zsnes/src/init.asm

@@ -1451,6 +1451,7 @@ NEWSYM headerhack
     mov byte[ENVDisable],0
 
     EXTSYM latchxr
+    EXTSYM latchyr
     mov esi,[romdata]
     add esi,07FC0h
     cmp dword[esi],'Supe'
@@ -1517,6 +1518,18 @@ NEWSYM headerhack
 .marvelous
 .notrend
 
+    mov esi,[romdata]
+    add esi,07FC0h
+    cmp dword[esi],'Spin'
+    jne .notspindizzy
+    cmp dword[esi+4],' Diz'
+    jne .notspindizzy
+    cmp dword[esi+8],'zy W'
+    jne .notspindizzy
+    mov word[latchxr],1
+    mov word[latchyr],1
+.notspindizzy
+
     ; Lamborgini Challenge - -p 110
     mov esi,[romdata]
     add esi,07FC0h