core, fix floating bus read for 68k (regression)

diff --git a/pico/memory.c b/pico/memory.c
index eca0ba4..487c5de 100644 (file)
--- a/pico/memory.c
+++ b/pico/memory.c
@@ -204,7 +204,7 @@ u32 PicoRead16_floating(u32 a)
   // faking open bus\r
   u32 d = (Pico.m.rotate += 0x41);\r
   d ^= (d << 5) ^ (d << 8);\r
-  if ((a & 0xff0000) == 0xa10000) d = 0; // MegaCD pulldowns don't work here curiously\r
+  if ((a & 0xff0000) == 0xa10000) return d; // MegaCD pulldowns don't work here curiously\r
   return (PicoIn.AHW & PAHW_MCD) ? 0x00 : d; // pulldown if MegaCD2 attached\r
 }\r
 \r