FB and @CP can now be used to switch between SD and USB devices.

src/FileBrowser.cpp

@@ -21,6 +21,7 @@
 #include <string.h>
 #include <strings.h>
 #include <algorithm>
+#include <ctype.h>
 #include "debug.h"
 #include "options.h"
 #include "InputMappings.h"
@@ -553,16 +554,9 @@ struct greater
 	}
 };
 
-void FileBrowser::RefreshFolderEntries()
+void FileBrowser::RefreshDevicesEntries(std::vector<FileBrowser::BrowsableList::Entry>& entries, bool toLower)
 {
-	DIR dir;
 	FileBrowser::BrowsableList::Entry entry;
-	FRESULT res;
-	char* ext;
-
-	folder.Clear();
-	if (displayingDevices)
-	{
 	char label[1024];
 	DWORD vsn;
 	f_getlabel("SD:", label, &vsn);
@@ -571,9 +565,16 @@ void FileBrowser::RefreshFolderEntries()
 		sprintf(entry.filImage.fname, "SD: %s", label);
 	else
 		sprintf(entry.filImage.fname, "SD:");
+	if (toLower)
+	{
+		for (int i = 0; entry.filImage.fname[i]; i++)
+		{
+			entry.filImage.fname[i] = tolower(entry.filImage.fname[i]);
+		}
+	}
 	entry.filImage.fattrib |= AM_DIR;
 	entry.filIcon.fname[0] = 0;
-		folder.entries.push_back(entry);
+	entries.push_back(entry);
 
 	for (int USBDriveIndex = 0; USBDriveIndex < numberOfUSBMassStorageDevices; ++USBDriveIndex)
 	{
@@ -587,10 +588,30 @@ void FileBrowser::RefreshFolderEntries()
 		else
 			strcpy(entry.filImage.fname, USBDriveId);
 
+		if (toLower)
+		{
+			for (int i = 0; entry.filImage.fname[i]; i++)
+			{
+				entry.filImage.fname[i] = tolower(entry.filImage.fname[i]);
+			}
+		}
 		entry.filImage.fattrib |= AM_DIR;
 		entry.filIcon.fname[0] = 0;
-			folder.entries.push_back(entry);
+		entries.push_back(entry);
 	}
+}
+
+void FileBrowser::RefreshFolderEntries()
+{
+	DIR dir;
+	FileBrowser::BrowsableList::Entry entry;
+	FRESULT res;
+	char* ext;
+
+	folder.Clear();
+	if (displayingDevices)
+	{
+		FileBrowser::RefreshDevicesEntries(folder.entries, false);
 	}
 	else
 	{
@@ -663,6 +684,13 @@ void FileBrowser::DisplayRoot()
 	FolderChanged();
 }
 
+void FileBrowser::DeviceSwitched()
+{
+	displayingDevices = false;
+	m_IEC_Commands.SetDisplayingDevices(displayingDevices);
+	FolderChanged();
+}
+
 /*
 void FileBrowser::RefeshDisplayForBrowsableList(FileBrowser::BrowsableList* browsableList, int xOffset, bool showSelected)
 {
@@ -867,9 +895,11 @@ void FileBrowser::PopFolder()
 	if (f_getcwd(buffer, 1024) == FR_OK)
 	{
 		int deviceRoot = IsAtRootOfDevice();
+		DEBUG_LOG("deviceRoot = %d\r\n", deviceRoot);
 		if (deviceRoot >= 0)
 		{
 			displayingDevices = true;
+			m_IEC_Commands.SetDisplayingDevices(displayingDevices);
 			RefreshFolderEntries();
 			folder.currentIndex = deviceRoot;
 			folder.SetCurrent();
@@ -1058,6 +1088,7 @@ void FileBrowser::UpdateInputFolders()
 				{
 					SwitchDrive("SD:");
 					displayingDevices = false;
+					m_IEC_Commands.SetDisplayingDevices(displayingDevices);
 					RefreshFolderEntries();
 				}
 				else
@@ -1071,6 +1102,7 @@ void FileBrowser::UpdateInputFolders()
 						{
 							SwitchDrive(USBDriveId);
 							displayingDevices = false;
+							m_IEC_Commands.SetDisplayingDevices(displayingDevices);
 							RefreshFolderEntries();
 						}
 					}

src/FileBrowser.h

@@ -198,11 +198,15 @@ public:
 
 	static u32 Colour(int index);
 
+	static void RefreshDevicesEntries(std::vector<FileBrowser::BrowsableList::Entry>& entries, bool toLower);
+
 	bool MakeLST(const char* filenameLST);
 	bool SelectLST(const char* filenameLST);
 
 	void SetScrollHighlightRate(float value) { scrollHighlightRate = value; }
 
+	void DeviceSwitched();
+
 private:
 	void DisplayPNG(FILINFO& filIcon, int x, int y);
 	void RefreshFolderEntries();

src/iec_commands.cpp

@@ -769,6 +769,32 @@ void IEC_Commands::CD(int partition, char* filename)
 		updateAction = POP_DIR;
 	}
 	else
+	{
+		if (displayingDevices)
+		{
+			if (strncmp(filename, "SD", 2) == 0)
+			{
+				SwitchDrive("SD:");
+				displayingDevices = false;
+				updateAction = DECIVE_SWITCHED;
+			}
+			else
+			{
+				for (int USBDriveIndex = 0; USBDriveIndex < numberOfUSBMassStorageDevices; ++USBDriveIndex)
+				{
+					char USBDriveId[16];
+					sprintf(USBDriveId, "USB%02d:", USBDriveIndex + 1);
+
+					if (strncmp(filename, USBDriveId, 5) == 0)
+					{
+						SwitchDrive(USBDriveId);
+						displayingDevices = false;
+						updateAction = DECIVE_SWITCHED;
+					}
+				}
+			}
+		}
+		else
 		{
 			DIR dir;
 			FILINFO filInfo;
@@ -869,6 +895,7 @@ void IEC_Commands::CD(int partition, char* filename)
 				}
 			}
 		}
+	}
 }
 
 void IEC_Commands::MKDir(int partition, char* filename)
@@ -1040,6 +1067,41 @@ void IEC_Commands::Copy(void)
 		Error(ERROR_34_SYNTAX_ERROR);
 	}
 }
+
+void IEC_Commands::ChangeDevice(void)
+{
+	Channel& channel = channels[15];
+	const char* text = (char*)channel.buffer;
+
+	if (strlen(text) > 2)
+	{
+		int deviceIndex = atoi(text + 2);
+
+		if (deviceIndex == 0)
+		{
+			SwitchDrive("SD:");
+			displayingDevices = false;
+			updateAction = DECIVE_SWITCHED;
+		}
+		else if ((deviceIndex - 1) < numberOfUSBMassStorageDevices)
+		{
+			char USBDriveId[16];
+			sprintf(USBDriveId, "USB%02d:", deviceIndex);
+			SwitchDrive(USBDriveId);
+			displayingDevices = false;
+			updateAction = DECIVE_SWITCHED;
+		}
+		else
+		{
+			Error(ERROR_74_DRlVE_NOT_READY);
+		}
+	}
+	else
+	{
+		Error(ERROR_31_SYNTAX_ERROR);
+	}
+}
+
 void IEC_Commands::Memory(void)
 {
 	Channel& channel = channels[15];
@@ -1286,7 +1348,7 @@ void IEC_Commands::ProcessCommand(void)
 			break;
 			case 'C':
 				if (channel.buffer[1] == 'P')
-					Error(ERROR_31_SYNTAX_ERROR);	// Change Partition not implemented yet
+					ChangeDevice();
 				else
 					Copy();
 			break;
@@ -1628,6 +1690,12 @@ void IEC_Commands::LoadDirectory()
 	FileBrowser::BrowsableList::Entry entry;
 	std::vector<FileBrowser::BrowsableList::Entry> entries;
 
+	if (displayingDevices)
+	{
+		FileBrowser::RefreshDevicesEntries(entries, true);
+	}
+	else
+	{
 		res = f_opendir(&dir, ".");
 		if (res == FR_OK)
 		{
@@ -1642,6 +1710,7 @@ void IEC_Commands::LoadDirectory()
 
 			std::sort(entries.begin(), entries.end(), greater());
 		}
+	}
 
 	for (u32 i = 0; i < entries.size(); ++i)
 	{

src/main.cpp

@@ -47,7 +47,7 @@ extern "C"
 #include "ssd_logo.h"
 
 unsigned versionMajor = 1;
-unsigned versionMinor = 16;
+unsigned versionMinor = 17;
 
 // When the emulated CPU starts we execute the first million odd cycles in non-real-time (ie as fast as possible so the emulated 1541 becomes responsive to CBM-Browser asap)
 // During these cycles the CPU is executing the ROM self test routines (these do not need to be cycle accurate)
@@ -1114,6 +1114,10 @@ void emulator()
 							GlobalSetDeviceID( m_IEC_Commands.GetDeviceId() );
 							fileBrowser->ShowDeviceAndROM();
 							break;
+						case IEC_Commands::DECIVE_SWITCHED:
+							DEBUG_LOG("DECIVE_SWITCHED\r\n");
+							fileBrowser->DeviceSwitched();
+							break;
 						default:
 							break;
 					}