diff --git a/src/platform/32x/crt0.s b/src/platform/32x/crt0.s
index 418c261..0a76840 100644
--- a/src/platform/32x/crt0.s
+++ b/src/platform/32x/crt0.s
@@ -776,7 +776,7 @@ sec_start:
         mov.l   _sec_adapter,r1
         mov     #0x00,r0
         mov.b   r0,@(1,r1)              /* set int enables (different from primary despite same address!) */
-        mov     #0x0F,r0
+        mov     #0x0D,r0
         shll2   r0
         shll2   r0
         ldc     r0,sr                   /* disallow ints */
diff --git a/src/platform/32x/main.cpp b/src/platform/32x/main.cpp
index 10d6301..42f1f7e 100644
--- a/src/platform/32x/main.cpp
+++ b/src/platform/32x/main.cpp
@@ -204,7 +204,7 @@ int main()
 
     while (1)
     {
-        int32 frame = gFrameIndex;
+        int32 frame = *(volatile int32 *)&gFrameIndex;
 
         if (frame - fpsFrame >= vsyncRate)
         {