Missing masking.

diff --git a/expansion.cpp b/expansion.cpp
index 8dd85401660bea781d7908c0f63980968b54acc2..9ace6198e7f7943212268af5da3e0ec4587857f5 100644 (file)
--- a/expansion.cpp
+++ b/expansion.cpp
@@ -1475,7 +1475,7 @@ static void fastmem_autoconfig(struct uae_prefs *p, struct autoconfig_info *aci,
                for (int i = 0; i < 16; i++) {
                        ac[i] = forceac[i];
                        ac[0] &= ~7;
-                       ac[0] |= type;
+                       ac[0] |= type & 7;
                        if (flags)
                                ac[0x08 / 4] = flags;
                }