diff --git a/src/floppy/fdc.c b/src/floppy/fdc.c
index 82f5da798..b6f068bc5 100644
--- a/src/floppy/fdc.c
+++ b/src/floppy/fdc.c
@@ -41,7 +41,7 @@
 extern uint64_t motoron[FDD_NUM];
 
 
-const int command_has_drivesel[256] = {
+const uint8_t command_has_drivesel[32] = {
 	0, 0,
 	1,			/* READ TRACK */
 	0,
@@ -61,24 +61,11 @@ const int command_has_drivesel[256] = {
 	1,			/* SCAN EQUAL */
 	0, 0, 0, 0,
 	1,			/* VERIFY */
-	0, 0, 0,
+	0, 0,
 	1,			/* SCAN LOW OR EQUAL */
 	0, 0, 0,
 	1,			/* SCAN HIGH OR EQUAL */
-	0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+	0, 0
 };