From cb04179fc9ce167d2ab5093754bbbfdc7127b159 Mon Sep 17 00:00:00 2001
From: Stephen White <pi1541contact@gmail.com>
Date: Sat, 15 Dec 2018 15:44:37 +1100
Subject: [PATCH] Added option to lowercase all filenames passed back to FB*

---
 src/iec_commands.cpp | 15 ++++++++++++---
 src/iec_commands.h   |  5 +++++
 src/main.cpp         |  1 +
 src/options.cpp      |  2 ++
 src/options.h        |  5 +++++
 5 files changed, 25 insertions(+), 3 deletions(-)

diff --git a/src/iec_commands.cpp b/src/iec_commands.cpp
index e39a930..dd91908 100644
--- a/src/iec_commands.cpp
+++ b/src/iec_commands.cpp
@@ -243,6 +243,7 @@ IEC_Commands::IEC_Commands()
 	starFileName = 0;
 	C128BootSectorName = 0;
 	displayingDevices = false;
+	lowercaseBrowseModeFilenames = false;
 }
 
 void IEC_Commands::Reset(void)
@@ -1602,6 +1603,14 @@ void IEC_Commands::SendError()
 	while (!finalByte);
 }
 
+u8 IEC_Commands::GetFilenameCharacter(u8 value)
+{
+	if (lowercaseBrowseModeFilenames)
+		value = tolower(value);
+
+	return ascii2petscii(value);
+}
+
 void IEC_Commands::AddDirectoryEntry(Channel& channel, const char* name, u16 blocks, int fileType)
 {
 	u8* data = channel.buffer + channel.cursor;
@@ -1640,20 +1649,20 @@ void IEC_Commands::AddDirectoryEntry(Channel& channel, const char* name, u16 blo
 
 		do
 		{
-			data[index + i++] = ascii2petscii(*name++);
+			data[index + i++] = GetFilenameCharacter(*name++);
 		}
 		while (!(*name == 0x22 || *name == 0 || i == CBM_NAME_LENGTH_MINUS_D64));
 
 		for (int extIndex = 0; extIndex < 4; ++extIndex)
 		{
-			data[index + i++] = ascii2petscii(*extName++);
+			data[index + i++] = GetFilenameCharacter(*extName++);
 		}
 	}
 	else
 	{
 		do
 		{
-			data[index + i++] = ascii2petscii(*name++);
+			data[index + i++] = GetFilenameCharacter(*name++);
 		}
 		while (!(*name == 0x22 || *name == 0 || i == CBM_NAME_LENGTH));
 	}
diff --git a/src/iec_commands.h b/src/iec_commands.h
index cb04db4..fdf0030 100644
--- a/src/iec_commands.h
+++ b/src/iec_commands.h
@@ -72,6 +72,8 @@ public:
 	void SetDeviceId(u8 id) { deviceID = id; }
 	u8 GetDeviceId() { return deviceID; }
 
+	void SetLowercaseBrowseModeFilenames(bool value) { lowercaseBrowseModeFilenames = value; }
+
 	void SetAutoBootFB128(bool autoBootFB128) { this->autoBootFB128 = autoBootFB128; }
 	void Set128BootSectorName(const char* SectorName) 
 	{
@@ -165,6 +167,8 @@ protected:
 
 	bool SendBuffer(Channel& channel, bool eoi);
 
+	u8 GetFilenameCharacter(u8 value);
+
 	UpdateAction updateAction;
 	u8 commandCode;
 	bool receivedCommand : 1;
@@ -188,6 +192,7 @@ protected:
 	const char* C128BootSectorName;
 
 	bool displayingDevices;
+	bool lowercaseBrowseModeFilenames;
 };
 #endif
 
diff --git a/src/main.cpp b/src/main.cpp
index 9733ed7..def4e72 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1051,6 +1051,7 @@ void emulator()
 
 	m_IEC_Commands.SetAutoBootFB128(options.AutoBootFB128());
 	m_IEC_Commands.Set128BootSectorName(options.Get128BootSectorName());
+	m_IEC_Commands.SetLowercaseBrowseModeFilenames(options.LowercaseBrowseModeFilenames());
 
 	emulating = IEC_COMMANDS;
 
diff --git a/src/options.cpp b/src/options.cpp
index 0d32241..0d3af35 100644
--- a/src/options.cpp
+++ b/src/options.cpp
@@ -139,6 +139,7 @@ Options::Options(void)
 	, splitIECLines(0)
 	, ignoreReset(0)
 	, autoBootFB128(0)
+	, lowercaseBrowseModeFilenames(0)
 	, screenWidth(1024)
 	, screenHeight(768)
 	, i2cBusMaster(1)
@@ -223,6 +224,7 @@ void Options::Process(char* buffer)
 		ELSE_CHECK_DECIMAL_OPTION(invertIECOutputs)
 		ELSE_CHECK_DECIMAL_OPTION(splitIECLines)
 		ELSE_CHECK_DECIMAL_OPTION(ignoreReset)
+		ELSE_CHECK_DECIMAL_OPTION(lowercaseBrowseModeFilenames)
 		ELSE_CHECK_DECIMAL_OPTION(autoBootFB128)
 		ELSE_CHECK_DECIMAL_OPTION(screenWidth)
 		ELSE_CHECK_DECIMAL_OPTION(screenHeight)
diff --git a/src/options.h b/src/options.h
index 8b1972a..8a11bee 100644
--- a/src/options.h
+++ b/src/options.h
@@ -73,6 +73,9 @@ public:
 	inline unsigned int AutoBootFB128() const { return autoBootFB128; }
 	inline const char* Get128BootSectorName() const { return C128BootSectorName; }
 
+	inline unsigned int LowercaseBrowseModeFilenames() const { return lowercaseBrowseModeFilenames; }
+	
+
 	inline unsigned int ScreenWidth() const { return screenWidth; }
 	inline unsigned int ScreenHeight() const { return screenHeight; }
 
@@ -126,6 +129,8 @@ private:
 	unsigned int ignoreReset;
 	unsigned int autoBootFB128;
 
+	unsigned int lowercaseBrowseModeFilenames;
+
 	unsigned int screenWidth;
 	unsigned int screenHeight;