leapfrog: Less redundancy in source file names.

Also edited a pile of copy/pasted comments and made some minor code
cleanups (reducing variable scope, etc.).

src/devices/bus/sdk85/memexp.h

@@ -52,10 +52,10 @@ public:
 	void io_w(offs_t offset, u8 data);
 
 protected:
-	// device-level overrides
+	// device_t implementation
 	virtual void device_start() override;
 
-	// image-level overrides
+	// device_image_interface implementation
 	virtual std::error_condition call_load() override;
 	virtual void call_unload() override { }
 
@@ -63,7 +63,7 @@ protected:
 	virtual const char *image_interface() const noexcept override { return "sdk85_rom"; }
 	virtual const char *file_extensions() const noexcept override { return "bin"; }
 
-	// slot interface overrides
+	// device_slot_interface implementation
 	virtual std::string get_default_card_software(get_default_card_software_hook &hook) const override;
 
 private:

src/devices/bus/vc4000/slot.h

@@ -69,7 +69,7 @@ public:
 	vc4000_cart_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
 	virtual ~vc4000_cart_slot_device();
 
-	// image-level overrides
+	// device_image_interface implementation
 	virtual std::error_condition call_load() override;
 	virtual void call_unload() override { }
 
@@ -77,7 +77,7 @@ public:
 	virtual const char *image_interface() const noexcept override { return "vc4000_cart"; }
 	virtual const char *file_extensions() const noexcept override { return "bin,rom"; }
 
-	// slot interface overrides
+	// device_slot_interface implementation
 	virtual std::string get_default_card_software(get_default_card_software_hook &hook) const override;
 
 	int get_type() { return m_type; }
@@ -98,7 +98,7 @@ protected:
 			device_t *owner,
 			uint32_t clock);
 
-	// device-level overrides
+	// device_t implementation
 	virtual void device_start() override;
 
 	int m_type;

src/devices/machine/hp_dc100_tape.h

@@ -23,7 +23,7 @@ public:
 	// Construction
 	hp_dc100_tape_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
 
-	// device_image_interface overrides
+	// device_image_interface implementation
 	virtual std::error_condition call_load() override;
 	virtual std::error_condition call_create(int format_type, util::option_resolution *format_options) override;
 	virtual void call_unload() override;
@@ -100,7 +100,7 @@ public:
 	auto wr_bit() { return m_wr_bit_handler.bind(); }
 
 protected:
-	// device-level overrides
+	// device_t implementation
 	virtual void device_start() override;
 	virtual void device_reset() override;
 

src/frontend/mame/ui/floppycntrl.cpp

@@ -40,7 +40,7 @@ menu_control_floppy_image::~menu_control_floppy_image()
 
 void menu_control_floppy_image::do_load_create()
 {
-	if(input_filename.compare("")==0) {
+	if(input_filename.empty()) {
 		std::error_condition err = fd.create(output_filename, nullptr, nullptr);
 		if (err) {
 			machine().popmessage("Error: %s", err.message());
@@ -56,7 +56,7 @@ void menu_control_floppy_image::do_load_create()
 		}
 	} else {
 		std::error_condition err = fd.load(input_filename);
-		if (!err && (output_filename.compare("") != 0))
+		if (!err && !output_filename.empty()) {
 			err = fd.reopen_for_write(output_filename);
 		if (err) {
 			machine().popmessage("Error: %s", err.message());

src/mame/atari/lynx.cpp

@@ -151,13 +151,7 @@ ROM_END
 
 QUICKLOAD_LOAD_MEMBER(lynx_state::quickload_cb)
 {
-	address_space &space = m_maincpu->space(AS_PROGRAM);
-	std::vector<u8> data;
-	u8 *rom = memregion("maincpu")->base();
 	u8 header[10]; // 80 08 dw Start dw Len B S 9 3
-	uint16_t start, length;
-	int i;
-
 	if (image.fread( header, sizeof(header)) != sizeof(header))
 		return image_error::UNSPECIFIED;
 
@@ -169,21 +163,22 @@ QUICKLOAD_LOAD_MEMBER(lynx_state::quickload_cb)
 		return err;
 	}
 
-	start = header[3] | (header[2]<<8); //! big endian format in file format for little endian cpu
+	uint16_t const start = header[3] | (header[2]<<8); //! big endian format in file format for little endian cpu
-	length = header[5] | (header[4]<<8);
+	uint16_t const length = (header[5] | (header[4]<<8)) - 10;
-	length -= 10;
 
+	std::vector<u8> data;
 	data.resize(length);
-
+	if (image.fread(&data[0], length) != length)
-	if (image.fread( &data[0], length) != length)
 	{
 		osd_printf_error("%s: Invalid length in file header\n", image.basename());
 		return image_error::INVALIDIMAGE;
 	}
 
-	for (i = 0; i < length; i++)
+	address_space &space = m_maincpu->space(AS_PROGRAM);
+	for (int i = 0; i < length; i++)
 		space.write_byte(start + i, data[i]);
 
+	u8 *rom = memregion("maincpu")->base();
 	rom[0x1fc] = start & 0xff;
 	rom[0x1fd] = start >> 8;
 	space.write_byte(0x1fc, start & 0xff);

src/mame/ausnz/binbug.cpp

@@ -183,12 +183,11 @@ QUICKLOAD_LOAD_MEMBER(binbug_state::quickload_cb)
 	int i;
 	int quick_addr = 0x440;
 	int exec_addr;
-	int quick_length;
 	std::vector<u8> quick_data;
 	int read_;
 	std::error_condition result = image_error::UNSPECIFIED;
 
-	quick_length = image.length();
+	int const quick_length = image.length();
 	if (quick_length < 0x0444)
 	{
 		result = image_error::INVALIDLENGTH;

src/mame/ausnz/d6800.cpp

@@ -342,11 +342,9 @@ void d6800_state::machine_reset()
 
 QUICKLOAD_LOAD_MEMBER(d6800_state::quickload_cb)
 {
-	address_space &space = m_maincpu->space(AS_PROGRAM);
+	constexpr u16 QUICK_ADDR = 0x200;
-	u8 ch;
+
-	u16 quick_addr = 0x200;
+	u32 const quick_length = image.length();
-	u16 exec_addr = 0xc000;
-	u32 quick_length = image.length();
 	if (quick_length > 0xe00)
 	{
 		osd_printf_error("%s: File exceeds 3854 bytes\n", image.basename());
@@ -354,17 +352,20 @@ QUICKLOAD_LOAD_MEMBER(d6800_state::quickload_cb)
 		return image_error::INVALIDIMAGE;
 	}
 
+	address_space &space = m_maincpu->space(AS_PROGRAM);
 	for (u32 i = 0; i < quick_length; i++)
 	{
+		u8 ch;
 		image.fread(&ch, 1);
-		space.write_byte(i + quick_addr, ch);
+		space.write_byte(i + QUICK_ADDR, ch);
 	}
 
+	u16 exec_addr = 0xc000;
 	if (image.is_filetype("bin"))
-		exec_addr = quick_addr;
+		exec_addr = QUICK_ADDR;
 
-	/* display a message about the loaded quickload */
+	// display a message about the loaded quickload
-	image.message(" Quickload: size=%04X : start=%04X : end=%04X : exec=%04X",quick_length,quick_addr,quick_addr+quick_length,exec_addr);
+	image.message(" Quickload: size=%04X : start=%04X : end=%04X : exec=%04X", quick_length, QUICK_ADDR, QUICK_ADDR+quick_length, exec_addr);
 
 	// Start the quickload
 	m_maincpu->set_pc(exec_addr);

src/mame/ausnz/eti660.cpp

@@ -321,12 +321,11 @@ QUICKLOAD_LOAD_MEMBER(eti660_state::quickload_cb)
 	int quick_addr = 0x600;
 	int quick_length;
 	std::vector<u8> quick_data;
-	int read_;
 	std::error_condition result = image_error::UNSPECIFIED;
 
 	quick_length = image.length();
 	quick_data.resize(quick_length);
-	read_ = image.fread( &quick_data[0], quick_length);
+	int const read_ = image.fread( &quick_data[0], quick_length);
 	if (read_ != quick_length)
 	{
 		result = image_error::INVALIDIMAGE;

src/mame/ausnz/pipbug.cpp

@@ -154,12 +154,11 @@ QUICKLOAD_LOAD_MEMBER(pipbug_state::quickload_cb)
 	int i;
 	int quick_addr = 0x440;
 	int exec_addr;
-	int quick_length;
 	std::vector<u8> quick_data;
 	int read_;
 	std::error_condition result = image_error::UNSPECIFIED;
 
-	quick_length = image.length();
+	int const quick_length = image.length();
 	if (quick_length < 0x0444)
 	{
 		result = image_error::INVALIDLENGTH;

src/mame/booth/apexc_m.cpp

@@ -29,14 +29,13 @@ std::error_condition apexc_cylinder_image_device::call_load()
 	/* load RAM contents */
 	m_writable = !is_readonly();
 
-	fread( machine().root_device().memshare("maincpu")->ptr(), 0x1000);
+	fread(machine().root_device().memshare("maincpu")->ptr(), 0x1000);
 #ifdef LSB_FIRST
-	{   /* fix endianness */
+	/* fix endianness */
-		uint32_t *RAM = (uint32_t *)(machine().root_device().memshare("maincpu")->ptr());
+	auto const RAM = reinterpret_cast<uint32_t *>(machine().root_device().memshare("maincpu")->ptr());
 
 	for (int i=0; i < 0x0400; i++)
 		RAM[i] = big_endianize_int32(RAM[i]);
-	}
 #endif
 
 	return std::error_condition();

src/mame/cantab/jupace.cpp

@@ -172,10 +172,6 @@ private:
 
 SNAPSHOT_LOAD_MEMBER(ace_state::snapshot_cb)
 {
-	std::vector<uint8_t> RAM(0x10000);
-	cpu_device *cpu = m_maincpu;
-	address_space &space = cpu->space(AS_PROGRAM);
-	unsigned char ace_repeat, ace_byte;
 	u16 ace_index=0x2000;
 	bool done = false;
 
@@ -187,9 +183,11 @@ SNAPSHOT_LOAD_MEMBER(ace_state::snapshot_cb)
 	}
 
 	logerror("Loading file %s.\r\n", image.filename());
+	std::vector<uint8_t> RAM(0x10000);
 	while (!done && (ace_index < 0x8001))
 	{
-		image.fread( &ace_byte, 1);
+		unsigned char ace_repeat, ace_byte;
+		image.fread(&ace_byte, 1);
 		if (ace_byte == 0xed)
 		{
 			image.fread(&ace_byte, 1);
@@ -231,7 +229,8 @@ SNAPSHOT_LOAD_MEMBER(ace_state::snapshot_cb)
 
 	ace_index = RAM[0x2080] | (RAM[0x2081] << 8);
 
-	if ((ace_index & 0x3FFF)==0)
+	cpu_device *cpu = m_maincpu;
+	if ((ace_index & 0x3fff) == 0)
 	{
 		cpu->set_state_int(Z80_AF, RAM[0x2100] | (RAM[0x2101] << 8));
 		cpu->set_state_int(Z80_BC, RAM[0x2104] | (RAM[0x2105] << 8));
@@ -254,7 +253,8 @@ SNAPSHOT_LOAD_MEMBER(ace_state::snapshot_cb)
 			cpu->set_state_int(Z80_SP, RAM[0x2118] | (RAM[0x2119] << 8));
 	}
 
-	/* Copy data to the address space */
+	// Copy data to the address space
+	address_space &space = cpu->space(AS_PROGRAM);
 	for (ace_index = 0x2000; ace_index < 0x8000; ace_index++)
 		space.write_byte(ace_index, RAM[ace_index]);
 

src/mame/force/force68k.cpp

@@ -514,7 +514,7 @@ std::error_condition force68k_state::force68k_load_cart(device_image_interface &
 {
 	uint32_t size = slot->common_get_size("rom");
 
-	if (size > 0x20000) // Max 128Kb
+	if (size > 0x2'0000) // Max 128Kb
 	{
 		LOG("Cartridge size exceeding max size (128Kb): %d\n", size);
 		osd_printf_error("%s: Cartridge size exceeding max size (128Kb)\n", image.basename());

src/mame/funtech/supracan.cpp

@@ -1920,7 +1920,7 @@ DEVICE_IMAGE_LOAD_MEMBER(supracan_state::cart_load)
 {
 	uint32_t size = m_cart->common_get_size("rom");
 
-	if (size > 0x400000)
+	if (size > 0x40'0000)
 	{
 		osd_printf_error("%s: Unsupported cartridge size\n", image.basename());
 		return image_error::INVALIDLENGTH;

src/mame/handheld/gameking.cpp

@@ -256,7 +256,7 @@ DEVICE_IMAGE_LOAD_MEMBER(gameking_state::cart_load)
 {
 	uint32_t size = m_cart->common_get_size("rom");
 
-	if (size > 0x100000)
+	if (size > 0x10'0000)
 	{
 		osd_printf_error("%s: Unsupported cartridge size\n", image.basename());
 		return image_error::INVALIDLENGTH;

src/mame/homebrew/phunsy.cpp

@@ -27,20 +27,23 @@ Rom banking (in U bank):
 ****************************************************************************/
 
 #include "emu.h"
+
 #include "cpu/s2650/s2650.h"
 #include "imagedev/cassette.h"
 #include "imagedev/snapquik.h"
 #include "machine/keyboard.h"
 #include "sound/spkrdev.h"
+
 #include "emupal.h"
 #include "screen.h"
 #include "speaker.h"
 
+#define VERBOSE 1
+#include "logmacro.h"
+
 
 namespace {
 
-#define LOG 1
-
 class phunsy_state : public driver_device
 {
 public:
@@ -119,8 +122,7 @@ void phunsy_state::phunsy_data(address_map &map)
 
 void phunsy_state::phunsy_ctrl_w(uint8_t data)
 {
-	if (LOG)
+	LOG("%s: phunsy_ctrl_w %02x\n", machine().describe_context(), data);
-		logerror("%s: phunsy_ctrl_w %02x\n", machine().describe_context(), data);
 
 	// Q-bank
 	membank("bankq")->set_entry(data & 15);
@@ -135,8 +137,7 @@ void phunsy_state::phunsy_ctrl_w(uint8_t data)
 
 void phunsy_state::phunsy_data_w(uint8_t data)
 {
-	if (LOG)
+	LOG("%s: phunsy_data_w %02x\n", machine().describe_context(), data);
-		logerror("%s: phunsy_data_w %02x\n", machine().describe_context(), data);
 
 	m_data_out = data;
 
@@ -162,8 +163,7 @@ uint8_t phunsy_state::phunsy_data_r()
 {
 	uint8_t data = 0xff;
 
-	//if (LOG)
+	//LOG("%s: phunsy_data_r\n", machine().describe_context());
-		//logerror("%s: phunsy_data_r\n", machine().describe_context());
 
 	if ( m_data_out & 0x02 )
 	{
@@ -290,7 +290,7 @@ QUICKLOAD_LOAD_MEMBER(phunsy_state::quickload_cb)
 	uint16_t quick_addr = 0x1800;
 	std::vector<uint8_t> quick_data;
 	std::error_condition result = image_error::UNSPECIFIED;
-	int quick_length = image.length();
+	int const quick_length = image.length();
 	if (quick_length > 0x4000)
 	{
 		result = image_error::INVALIDLENGTH;

src/mame/homebrew/ravens.cpp

@@ -316,12 +316,11 @@ QUICKLOAD_LOAD_MEMBER(ravens_base::quickload_cb)
 	int i;
 	int quick_addr = 0x900;
 	int exec_addr;
-	int quick_length;
 	std::vector<u8> quick_data;
 	int read_;
 	std::error_condition result = image_error::UNSPECIFIED;
 
-	quick_length = image.length();
+	int const quick_length = image.length();
 	if (quick_length < 0x0900)
 	{
 		result = image_error::INVALIDLENGTH;

src/mame/homelab/homelab.cpp

@@ -732,7 +732,7 @@ QUICKLOAD_LOAD_MEMBER(homelab_state::quickload_cb)
 
 	for (i = 0; i < quick_length; i++)
 	{
-		int j = (quick_addr + i);
+		unsigned j = (quick_addr + i);
 		if (image.fread(&ch, 1) != 1)
 		{
 			osd_printf_error("%s: Unexpected EOF while writing byte to %04X\n", image.basename(), j);

src/mame/hp/hp2640_tape.h

@@ -34,7 +34,7 @@ public:
 	uint8_t poll_r   () const;
 
 protected:
-	// device-level overrides
+	// device_t implementation
 	virtual void device_add_mconfig(machine_config &config) override;
 	virtual void device_start() override;
 	virtual void device_reset() override;

src/mame/hp/hp48_port.h

@@ -34,7 +34,7 @@ public:
 		m_max_size = max_size;
 	}
 
-	// image-level overrides
+	// device_image_interface implementation
 	virtual bool is_readable()  const noexcept override { return true; }
 	virtual bool is_writeable() const noexcept override { return true; }
 	virtual bool is_creatable() const noexcept override { return true; }
@@ -52,7 +52,7 @@ public:
 	uint8_t *port_data() const { return m_port_data.get(); }
 
 protected:
-	// device-level overrides
+	// device_t implementation
 	virtual void device_start() override;
 
 private:

src/mame/hp/hp80_optrom.h

@@ -34,10 +34,10 @@ public:
 	void install_read_handler(address_space& space);
 
 protected:
-	// device-level overrides
+	// device_t implementation
 	virtual void device_start() override;
 
-	// image-level overrides
+	// device_image_interface implementation
 	virtual std::error_condition call_load() override;
 	virtual void call_unload() override;
 

src/mame/hp/hp9825_optrom.h

@@ -29,11 +29,11 @@ public:
 	void install_rw_handlers(address_space *space_r , address_space *space_w);
 
 protected:
-	// device-level overrides
+	// device_t implementation
 	virtual void device_add_mconfig(machine_config &config) override;
 	virtual void device_start() override;
 
-	// image-level overrides
+	// device_image_interface implementation
 	virtual std::error_condition call_load() override;
 	virtual void call_unload() override;
 

src/mame/hp/hp9845_optrom.h

@@ -24,10 +24,10 @@ public:
 	virtual ~hp9845_optrom_device();
 
 protected:
-	// device-level overrides
+	// device_t implementation
 	virtual void device_start() override;
 
-	// image-level overrides
+	// device_rom_image_interface implementation
 	virtual std::error_condition call_load() override;
 	virtual void call_unload() override;
 

src/mame/hp/hp_ipc_optrom.h

@@ -31,10 +31,10 @@ public:
 	void install_read_handler(address_space& space);
 
 protected:
-	// device-level overrides
+	// device_t implementation
 	virtual void device_start() override;
 
-	// image-level overrides
+	// device_image_interface implementation
 	virtual std::error_condition call_load() override;
 	virtual void call_unload() override;
 

src/mame/igs/pgm2_memcard.h

@@ -36,8 +36,6 @@ public:
 	virtual void call_unload() override;
 	virtual std::error_condition call_create(int format_type, util::option_resolution *format_options) override;
 
-	// device-level overrides
-	virtual void device_start() override;
 
 	u8 read(offs_t offset);
 	void write(offs_t offset, u8 data);
@@ -49,7 +47,11 @@ public:
 
 	/* returns the index of the current memory card, or -1 if none */
 	int present() { return is_loaded() ? 0 : -1; }
+
 private:
+	// device_t implementation
+	virtual void device_start() override;
+
 	u8 m_memcard_data[0x100];
 	u8 m_protection_data[4];
 	u8 m_security_data[4];

src/mame/intel/rex6000.cpp

@@ -732,6 +732,7 @@ void rex6000_state::rex6000_palettte(palette_device &palette) const
 
 QUICKLOAD_LOAD_MEMBER(rex6000_state::quickload_rex6000)
 {
+	// FIXME: this suffers buffer overruns on excessively short images and various kinds of invalid images
 	static const char magic[] = "ApplicationName:Addin";
 	uint32_t img_start = 0;
 

src/mame/mame.lst

@@ -24372,7 +24372,7 @@ tandy102                        //
 tandy200                        //
 trsm100                         //
 
-@source:leapfrog/leapfrog_iquest.cpp
+@source:leapfrog/iquest.cpp
 iquest
 ttwistfb
 ttwistbq
@@ -24381,20 +24381,20 @@ ttwistsp
 ttwistvc
 turboex
 
-@source:leapfrog/leapfrog_leappad.cpp
+@source:leapfrog/leappad.cpp
 leappad                         // (c) 2001 LeapFrog / Knowledge Kids Enterprises, Inc.
 mfleappad                       // (c) 2002 LeapFrog
 ltleappad                       // (c) 2005 LeapFrog
 
-@source:leapfrog/leapfrog_leapster_explorer.cpp
-leapexpr
-
 @source:leapfrog/leapster.cpp
 leapster                        //
 leapster2                       //
 leapsterlmx                     //
 leapstertv                      //
 
+@source:leapfrog/leapster_explorer.cpp
+leapexpr
+
 @source:learsiegler/adm11.cpp
 adm12                           //