auto generated filename can be specified in options.txt with:

AutoBaseName = autoname

src/FileBrowser.cpp

@@ -34,6 +34,8 @@ extern "C"
 
 #include "iec_commands.h"
 extern IEC_Commands m_IEC_Commands;
+extern Options options;
+
 
 #define PNG_WIDTH 320
 #define PNG_HEIGHT 200
@@ -898,8 +900,8 @@ void FileBrowser::UpdateInputFolders()
 		else if (inputMappings->BrowseNewD64())
 		{
 			char newFileName[64];
-			int num = folder.FindNextAutoName("testfile");
+			strncpy (newFileName, options.GetAutoBaseName(), 63);
-			snprintf(newFileName, 64, "testfile%03d.d64", num);
+			int num = folder.FindNextAutoName( newFileName );
 			m_IEC_Commands.CreateD64(newFileName, "42");
 			FolderChanged();
 		}
@@ -1253,16 +1255,17 @@ void FileBrowser::AutoSelectImage(const char* image)
 	}
 }
 
-int FileBrowser::BrowsableList::FindNextAutoName(const char* basename)
+int FileBrowser::BrowsableList::FindNextAutoName(char* filename)
 {
 	int index;
 	int len = (int)entries.size();
-	int baselen = strlen(basename);
-	int lastNumber = 0;
-	char matchname[64];
 
-	strcpy (matchname, basename);
+	int inputlen = strlen(filename);
-	strncat (matchname, "%d",2);
+	int lastNumber = 0;
+
+	char scanfname[64];
+	strncpy (scanfname, filename, 54);
+	strncat (scanfname, "%d",2);
 
 	int foundnumber;
 
@@ -1270,13 +1273,14 @@ int FileBrowser::BrowsableList::FindNextAutoName(const char* basename)
 	{
 		Entry* entry = &entries[index];
 		if (	!(entry->filImage.fattrib & AM_DIR) 
-			&& strncasecmp(basename, entry->filImage.fname, baselen) == 0
+			&& strncasecmp(filename, entry->filImage.fname, inputlen) == 0
-			&& sscanf(entry->filImage.fname, matchname, &foundnumber) == 1
+			&& sscanf(entry->filImage.fname, scanfname, &foundnumber) == 1
 			)
 		{
 			if (foundnumber > lastNumber)
 				lastNumber = foundnumber;
 		}
 	}
+	snprintf(filename + inputlen, 54, "%03d.d64", lastNumber+1);
 	return lastNumber+1;
 }

src/FileBrowser.h

@@ -151,7 +151,7 @@ public:
 		};
 
 		Entry* FindEntry(const char* name);
-		int FindNextAutoName(const char* basename);
+		int FindNextAutoName(char* basename);
 
 		void RefreshViews();
 		void RefreshViewsHighlightScroll();

src/main.cpp

@@ -1129,6 +1129,8 @@ void DisplayOptions(int y_pos)
 	screen.PrintText(false, 0, y_pos += 16, tempBuffer, COLOUR_WHITE, COLOUR_BLACK);
 	snprintf(tempBuffer, tempBufferSize, "LcdLogoName = %s\r\n", options.GetLcdLogoName());
 	screen.PrintText(false, 0, y_pos += 16, tempBuffer, COLOUR_WHITE, COLOUR_BLACK);
+	snprintf(tempBuffer, tempBufferSize, "AutoBaseName = %s\r\n", options.GetAutoBaseName());
+	screen.PrintText(false, 0, y_pos += 16, tempBuffer, COLOUR_WHITE, COLOUR_BLACK);
 }
 
 void DisplayI2CScan(int y_pos)

src/options.cpp

@@ -152,6 +152,7 @@ Options::Options(void)
 	autoMountImageName[0] = 0;
 	strcpy(ROMFontName, "chargen");
 	strcpy(LcdLogoName, "1541ii");
+	strcpy(autoBaseName, "autoname");
 	starFileName[0] = 0;
 	ROMName[0] = 0;
 	ROMNameSlot2[0] = 0;
@@ -224,6 +225,10 @@ void Options::Process(char* buffer)
 		ELSE_CHECK_DECIMAL_OPTION(i2cLcdDimTime)
 		ELSE_CHECK_FLOAT_OPTION(scrollHighlightRate)
 		ELSE_CHECK_DECIMAL_OPTION(keyboardBrowseLCDScreen)
+		else if ((strcasecmp(pOption, "AutoBaseName") == 0))
+		{
+			strncpy(autoBaseName, pValue, 255);
+		}
 		else if ((strcasecmp(pOption, "StarFileName") == 0))
 		{
 			strncpy(starFileName, pValue, 255);

src/options.h

@@ -89,6 +89,8 @@ public:
 
 	const char* GetLCDName() const { return LCDName; }
 
+	const char* GetAutoBaseName() const { return autoBaseName; }
+
 	static unsigned GetDecimal(char* pString);
 	static float GetFloat(char* pString);
 
@@ -128,6 +130,7 @@ private:
 	unsigned int keyboardBrowseLCDScreen;
 
 	char starFileName[256];
+	char autoBaseName[256];
 	char LCDName[256];
 	char LcdLogoName[256];