For the sake of security, we now enable this flag by default.
* Some Megadrive models (as 2016 Tectoy Megadrive) need it to prevent some possible 68000 memory or Z80 corruption bugs
* (may happen when Z80 access the main BUS during a DMA operation).
*/
-#define HALT_Z80_ON_DMA 0
+#define HALT_Z80_ON_DMA 1
/**
* \brief
