The Tandy machines now add a FDC with port 3F7 with the disk change line, fixes #1340.

src/floppy/fdc.c

@@ -2376,6 +2376,16 @@ const device_t fdc_xt_amstrad_device = {
     { NULL }, NULL, NULL
 };
 
+const device_t fdc_xt_tandy_device = {
+    "PC/XT Floppy Drive Controller (Tandy)",
+    0,
+    FDC_FLAG_AMSTRAD,
+    fdc_init,
+    fdc_close,
+    fdc_reset,
+    { NULL }, NULL, NULL
+};
+
 
 const device_t fdc_pcjr_device = {
     "PCjr Floppy Drive Controller",

src/include/86box/fdc.h

@@ -171,6 +171,7 @@ extern uint8_t	fdc_get_current_drive(void);
 #ifdef EMU_DEVICE_H
 extern const device_t	fdc_xt_device;
 extern const device_t	fdc_xt_t1x00_device;
+extern const device_t	fdc_xt_tandy_device;
 extern const device_t	fdc_xt_amstrad_device;
 extern const device_t	fdc_pcjr_device;
 extern const device_t	fdc_at_device;

src/machine/m_tandy.c

@@ -1501,7 +1501,7 @@ machine_tandy1k_init(const machine_t *model, int type)
     device_add(&keyboard_tandy_device);
 
     if (fdc_type == FDC_INTERNAL)	
-	device_add(&fdc_xt_device);
+	device_add(&fdc_xt_tandy_device);
 
     switch(type) {
 	case TYPE_TANDY: