diff --git a/src/computer.c b/src/computer.c
index 3fe3228..6015c22 100644
--- a/src/computer.c
+++ b/src/computer.c
@@ -1356,7 +1356,7 @@ inline void read_keyboard () {
 			if ((ordenador.mport1 & 0x10)&&(ordenador.mode128k!=4)) //ROM 48k 
 			model128k =0;
 	
-			if ((ordenador.mode128k==0)&&(ordenador.se_basic))
+			if (ordenador.se_basic)
 			model128k =4;
 			
 			switch (model128k)
diff --git a/src/emulator.c b/src/emulator.c
index b917be8..c8e536c 100644
--- a/src/emulator.c
+++ b/src/emulator.c
@@ -408,7 +408,7 @@ void load_rom(char type) {
 		if (rom_cartridge[0]) load_rom_cartridge();
 	break;
 	case 1:
-		filenames[0]="spectrum-roms/128-0.rom";
+		if (ordenador.se_basic) filenames[0]="spectrum-roms/opense.rom"; else filenames[0]="spectrum-roms/128-0.rom";
 		filenames[1]="spectrum-roms/128-1.rom";
 		filenames[2]=NULL;
 		retval=load_a_rom(filenames);
@@ -418,7 +418,7 @@ void load_rom(char type) {
 		}
 	break;
 	case 2:
-		filenames[0]="spectrum-roms/plus2-0.rom";
+		if (ordenador.se_basic) filenames[0]="spectrum-roms/opense.rom"; else filenames[0]="spectrum-roms/plus2-0.rom";
 		filenames[1]="spectrum-roms/plus2-1.rom";
 		filenames[2]=NULL;
 		retval=load_a_rom(filenames);
@@ -430,7 +430,7 @@ void load_rom(char type) {
 	case 3:
 		// first, try last version of PLUS3 roms
 		
-		filenames[0]="spectrum-roms/plus3-41-0.rom";
+		if (ordenador.se_basic) filenames[0]="spectrum-roms/opense.rom"; else filenames[0]="spectrum-roms/plus3-41-0.rom";
 		filenames[1]="spectrum-roms/plus3-41-1.rom";
 		filenames[2]="spectrum-roms/plus3-41-2.rom";
 		filenames[3]="spectrum-roms/plus3-41-3.rom";
@@ -438,7 +438,7 @@ void load_rom(char type) {
 		retval=load_a_rom(filenames);
 		if (retval) {
 			printf("Can't load the Spectrum +3 ROM version 4.1. Trying with version 4.0\n");
-			filenames[0]="spectrum-roms/plus3-40-0.rom";
+			if (ordenador.se_basic) filenames[0]="spectrum-roms/opense.rom"; else filenames[0]="spectrum-roms/plus3-40-0.rom";
 			filenames[1]="spectrum-roms/plus3-40-1.rom";
 			filenames[2]="spectrum-roms/plus3-40-2.rom";
 			filenames[3]="spectrum-roms/plus3-40-3.rom";
@@ -446,7 +446,7 @@ void load_rom(char type) {
 			retval=load_a_rom(filenames);
 			if (retval) {
 				printf("Can't load the Spectrum +3 ROM version 4.0. Trying with legacy filenames\n");
-				filenames[0]="spectrum-roms/plus3-0.rom";
+				if (ordenador.se_basic) filenames[0]="spectrum-roms/opense.rom"; else filenames[0]="spectrum-roms/plus3-0.rom";
 				filenames[1]="spectrum-roms/plus3-1.rom";
 				filenames[2]="spectrum-roms/plus3-2.rom";
 				filenames[3]="spectrum-roms/plus3-3.rom";
@@ -460,7 +460,7 @@ void load_rom(char type) {
 		}
 	break;
 	case 4:
-		filenames[0]="spectrum-roms/128-spanish-0.rom";
+		if (ordenador.se_basic) filenames[0]="spectrum-roms/opense.rom"; else filenames[0]="spectrum-roms/128-spanish-0.rom";
 		filenames[1]="spectrum-roms/128-spanish-1.rom";
 		filenames[2]=NULL;
 		retval=load_a_rom(filenames);
diff --git a/src/gui_sdl.c b/src/gui_sdl.c
index 2840f16..93b695b 100644
--- a/src/gui_sdl.c
+++ b/src/gui_sdl.c
@@ -87,7 +87,7 @@ static const char *emulation_messages[] = {
 		/*03*/		"48K model",
 		/*04*/		"^|issue2|issue3",	
 		/*05*/		"  ",
-		/*06*/		"48k SE Basic",
+		/*06*/		"SE Basic",
 		/*07*/		"^|on|off",	
 		/*08*/		"  ",
 		/*09*/		"Frame rate",
@@ -445,7 +445,7 @@ static int manage_tape(int which)
 		if ((ordenador.mport1 & 0x10)&&(ordenador.mode128k!=4)) //ROM 48k 
 		model128k =0;
 	
-		if ((ordenador.mode128k==0)&&(ordenador.se_basic))
+		if (ordenador.se_basic)
 		model128k =4;
 		
 		switch (model128k)
@@ -624,7 +624,7 @@ static int emulation_settings(void)
 	
 	ordenador.se_basic = !submenus[2];
 	
-	if ((submenus[2]!=submenus_old[2])&&(ordenador.mode128k==0)) {ResetComputer ();retorno=-2;}
+	if ((submenus[2]!=submenus_old[2])) {ResetComputer ();retorno=-2;}
 	
 	jump_frames = submenus[3];
 	
@@ -735,7 +735,7 @@ static int audio_settings(void)
 	ordenador.volume = submenus[0]*2; 
 	ordenador.ay_emul = !submenus[1];
 	ordenador.fuller_box_sound = !submenus[2];
-	if ((submenus[3]==0)&&(ordenador.mode128k))  {ordenador.currah_active=0; msgInfo("Currah only in 48k mode", 3000, NULL);}
+	if ((submenus[3]==0)&&(ordenador.mode128k))  {ordenador.currah_active=0; msgInfo("Currah only with 48k model", 3000, NULL);}
 	else if (ordenador.currah_rom_unavailable) {ordenador.currah_active=0; msgInfo("currah.rom not present", 3000, NULL);}
 	else ordenador.currah_active = !submenus[3];
 	ordenador.audio_mode = submenus[4];
@@ -1005,7 +1005,7 @@ void load_mdr_file(void)
 	if ((ordenador.mport1 & 0x10)&&(ordenador.mode128k!=4)) //ROM 48k 
 	model128k =0;
 	
-	if ((ordenador.mode128k==0)&&(ordenador.se_basic))
+	if (ordenador.se_basic)
 	model128k =4;
 	
 	//Emulate load *"m";1;"run"