Minimig settings and reset cleanup and refactoring.

minimig_fdd.cpp

@@ -35,7 +35,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 unsigned char drives = 0; // number of active drives reported by FPGA (may change only during reset)
 adfTYPE *pdfx;            // drive select pointer
-adfTYPE df[4];            // drive 0 information structure
+adfTYPE df[4] = { 0 };    // drive information structure
 
 static uint8_t sector_buffer[512];