Move the "No joystick" option to the top and get rid of the JOYSTICK_TYPE_NONE macro

src/machine/m_amstrad.c

@@ -2507,7 +2507,7 @@ machine_amstrad_init(const machine_t *model, int type)
 	mouse_set_poll(ms_poll, ams);
     }
 
-    if (joystick_type != JOYSTICK_TYPE_NONE)
+    if (joystick_type)
 	device_add(&gameport_device);
 }
 

src/machine/m_at.c

@@ -74,7 +74,7 @@ machine_at_common_init_ex(const machine_t *model, int type)
     else if (type == 0)
 	device_add(&at_nvr_device);
 
-    if (joystick_type != JOYSTICK_TYPE_NONE)
+    if (joystick_type)
 	device_add(&gameport_device);
 }
 

src/machine/m_europc.c

@@ -615,7 +615,7 @@ europc_boot(const device_t *info)
 	mouse_bus_set_irq(sys->mouse, 2);
 	/* Configure the port for (Bus Mouse Compatible) Mouse. */
 	b |= 0x01;
-    } else if (joystick_type != JOYSTICK_TYPE_NONE)
+    } else if (joystick_type)
 	b |= 0x02;	/* enable port as joysticks */
     sys->nvr.regs[MRTC_CONF_C] = b;
 

src/machine/m_ps1.c

@@ -517,7 +517,7 @@ ps1_common_init(const machine_t *model)
     device_add(&keyboard_ps2_ps1_device);
 
     /* Audio uses ports 200h and 202-207h, so only initialize gameport on 201h. */
-    if (joystick_type != JOYSTICK_TYPE_NONE)
+    if (joystick_type)
 	device_add(&gameport_201_device);
 }
 

src/machine/m_tandy.c

@@ -1535,7 +1535,7 @@ machine_tandy1k_init(const machine_t *model, int type)
 		break;
     }
 
-    if (joystick_type != JOYSTICK_TYPE_NONE)
+    if (joystick_type)
 	device_add(&gameport_device);
 
     eep_data_out = 0x0000;

src/machine/m_xt.c

@@ -29,7 +29,7 @@ machine_xt_common_init(const machine_t *model)
 	device_add(&fdc_xt_device);
     
     nmi_init();
-    if (joystick_type != JOYSTICK_TYPE_NONE)
+    if (joystick_type)
 	device_add(&gameport_device);
 }
 

src/machine/m_xt_compaq.c

@@ -56,7 +56,7 @@ machine_xt_compaq_deskpro_init(const machine_t *model)
     if (fdc_type == FDC_INTERNAL)
 	device_add(&fdc_xt_device);
     nmi_init();
-    if (joystick_type != JOYSTICK_TYPE_NONE)
+    if (joystick_type)
 	device_add(&gameport_device);
 
     lpt1_remove();
@@ -85,7 +85,7 @@ machine_xt_compaq_portable_init(const machine_t *model)
     if (fdc_type == FDC_INTERNAL)
 	device_add(&fdc_xt_device);
     nmi_init();
-    if (joystick_type != JOYSTICK_TYPE_NONE)
+    if (joystick_type)
 	device_add(&gameport_device);
 
     lpt1_remove();

src/machine/m_xt_laserxt.c

@@ -171,7 +171,7 @@ machine_xt_lxt3_init(const machine_t *model)
     device_add(&keyboard_xt_lxt3_device);
     device_add(&fdc_xt_device);
     nmi_init();
-    if (joystick_type != JOYSTICK_TYPE_NONE)
+    if (joystick_type)
 	device_add(&gameport_device);
 
     laserxt_init(1);

src/machine/m_xt_olivetti.c

@@ -717,7 +717,7 @@ machine_xt_olim24_init(const machine_t *model)
 	/* FIXME: make sure this is correct?? */
     device_add(&at_nvr_device);
 
-    if (joystick_type != JOYSTICK_TYPE_NONE)
+    if (joystick_type)
 		device_add(&gameport_device);
 
     nmi_init();
@@ -760,7 +760,7 @@ machine_xt_olim240_init(const machine_t *model)
 	if (fdc_type == FDC_INTERNAL)	
 		device_add(&fdc_xt_device);
 
-	if (joystick_type != JOYSTICK_TYPE_NONE)
+	if (joystick_type)
 		device_add(&gameport_device);
 
     nmi_init();
@@ -833,7 +833,7 @@ machine_xt_olim15_init(const machine_t *model)
 	if (fdc_type == FDC_INTERNAL)	
 		device_add(&fdc_xt_device);
 
-	if (joystick_type != JOYSTICK_TYPE_NONE)
+	if (joystick_type)
 		device_add(&gameport_device);
 
     nmi_init();

src/machine/m_xt_xi8088.c

@@ -177,7 +177,7 @@ machine_xt_xi8088_init(const machine_t *model)
     nmi_init();
     device_add(&ibmat_nvr_device);
     pic2_init();
-    if (joystick_type != JOYSTICK_TYPE_NONE)
+    if (joystick_type)
 	device_add(&gameport_device);
 
     return ret;