diff --git a/host/inlretro_commited.exe b/host/inlretro_commited.exe
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diff --git a/host/scripts/nes/mmc5.lua b/host/scripts/nes/mmc5.lua
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+++ b/host/scripts/nes/mmc5.lua
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+
+-- create the module's table
+local mmc5 = {}
+
+-- import required modules
+local dict = require "scripts.app.dict"
+local nes = require "scripts.app.nes"
+local dump = require "scripts.app.dump"
+local flash = require "scripts.app.flash"
+
+-- file constants
+local mapname = "MMC5"
+
+-- local functions
+
+--disables WRAM, selects Vertical mirroring
+local function init_mapper( debug )
+
+
+	--for save data safety start by disabling WRAM writes
+	dict.nes("NES_CPU_WR", 0x5102, 0x01)	--bits 1&0 must be '01' (ie 0x02) to allow writes to WRAM
+	dict.nes("NES_CPU_WR", 0x5103, 0x02)	--bits 1&0 must be '10' (ie 0x01) to allow writes to WRAM
+	
+	--set mirroring
+	dict.nes("NES_CPU_WR", 0x5105, 0x44)	--vertical mirroring
+
+	--PRG MODE
+--	dict.nes("NES_CPU_WR", 0x5100, 0x00)	--single 32KByte bank (couldn't get this to work..)
+	dict.nes("NES_CPU_WR", 0x5100, 0x03)	--4x 8KB banks
+
+	--CHR MODE
+	dict.nes("NES_CPU_WR", 0x5101, 0x00)	--single 8KByte bank
+
+	--PRG-RAM bank
+	dict.nes("NES_CPU_WR", 0x5113, 0x00)	--PRG-RAM bank @ $6000-7FFF (mode0)
+
+	--PRG-ROM bank
+--	dict.nes("NES_CPU_WR", 0x5117, 0x00)	--PRG-ROM bank @ $8000-FFFF (mode0) bits 1&0 don't matter (CPU A14/13)
+	dict.nes("NES_CPU_WR", 0x5114, 0x80)	--PRG-ROM bank @ $8000-9FFF (mode3) bit7 must be set to see ROM
+	dict.nes("NES_CPU_WR", 0x5115, 0x81)	--PRG-ROM bank @ $A000-BFFF (mode3) bit7 must be set to see ROM
+	dict.nes("NES_CPU_WR", 0x5116, 0x82)	--PRG-ROM bank @ $C000-DFFF (mode3) bit7 must be set to see ROM
+	dict.nes("NES_CPU_WR", 0x5117, 0x83)	--PRG-ROM bank @ $E000-FFFF (mode3) bit7 must be set to see ROM
+
+	--CHR-ROM bank
+	dict.nes("NES_CPU_WR", 0x5127, 0x00)	--CHR-ROM bank @ $0000-1FFF (mode0)
+	dict.nes("NES_CPU_WR", 0x512B, 0x00)	--CHR-ROM bank @ $0000-1FFF (mode0 8x16 sprites)
+
+	--CHR-ROM upper bank
+	--TODO
+	--dict.nes("NES_CPU_WR", 0x5130, 0x00)
+
+end
+
+
+--test the mapper's mirroring modes to verify working properly
+--can be used to help identify board: returns true if pass, false if failed
+local function mirror_test( debug )
+
+	--put mapper in known state (mirror bits cleared)
+	init_mapper() 
+
+	--$5015 = 0x44: Vertical
+	dict.nes("NES_CPU_WR", 0x5105, 0x44)
+	if (nes.detect_mapper_mirroring(true) ~= "VERT") then
+		print(mapname, " vert mirror test fail")
+		return false
+	end
+
+	--$5015 = 0x50: Horizontal
+	dict.nes("NES_CPU_WR", 0x5105, 0x50)
+	if (nes.detect_mapper_mirroring(true) ~= "HORZ") then
+		print(mapname, " horz mirror test fail")
+		return false
+	end
+
+	--$5015 = 0x00: single screen 0
+	dict.nes("NES_CPU_WR", 0x5105, 0x00)
+	if (nes.detect_mapper_mirroring() ~= "1SCNA") then
+		print("MMC1 mirror test fail (1 screen A)")
+		return false
+	end
+
+	--$5015 = 0x55: single screen 1
+	dict.nes("NES_CPU_WR", 0x5105, 0x55)
+	if (nes.detect_mapper_mirroring() ~= "1SCNB") then
+		print("MMC1 mirror test fail (1 screen B)")
+		return false
+	end
+
+	--TODO fancy MMC5 other mirroring options (EXRAM etc)
+
+	--passed all tests
+	if(debug) then print(mapname, " mirror test passed") end
+	return true
+end
+
+
+--dump the PRG ROM
+local function dump_prgrom( file, rom_size_KB, debug )
+
+	--PRG-ROM dump 32KB at a time through $5117 in mode 0
+	--local KB_per_read = 32
+	--above didn't work, dump 8KB at at time through $5114 in mode 3
+	local KB_per_read = 8
+	local num_reads = rom_size_KB / KB_per_read
+	local read_count = 0
+	local addr_base = 0x80	-- $8000 PAGE
+
+	while ( read_count < num_reads ) do
+
+		if debug then print( "dump PRG part ", read_count, " of ", num_reads) end
+
+		--select desired bank(s) to dump
+		--dict.nes("NES_CPU_WR", 0x5117, ((read_count<<2)|0x80))	--32KB & CPU $8000 (bits0&1 don't matter)
+		--above didn't work, only saw the last 8KB repeated...
+		dict.nes("NES_CPU_WR", 0x5114, (read_count|0x80))	--8KB & CPU $8000 (bit7 must be set to see ROM)
+
+		--dump bank's worth of data
+		dump.dumptofile( file, KB_per_read, addr_base, "NESCPU_PAGE", false )
+
+		read_count = read_count + 1
+	end
+
+end
+
+--dump the CHR ROM
+local function dump_chrrom( file, rom_size_KB, debug )
+
+	local KB_per_read = 8	--dump 8KB at a time
+	local num_reads = rom_size_KB / KB_per_read
+	local read_count = 0
+	local addr_base = 0x00	-- $0000
+
+	while ( read_count < num_reads ) do
+
+		if debug then print( "dump CHR part ", read_count, " of ", num_reads) end
+
+		--CHR-ROM bank
+		dict.nes("NES_CPU_WR", 0x5127, read_count)	--CHR-ROM bank @ $0000-1FFF (mode0)
+		dict.nes("NES_CPU_WR", 0x512B, read_count)	--CHR-ROM bank @ $0000-1FFF (mode0 8x16 sprites)
+
+		dump.dumptofile( file, KB_per_read, addr_base, "NESPPU_PAGE", false )
+
+		read_count = read_count + 1
+	end
+
+end
+
+
+--dump the WRAM, assumes the WRAM was enabled/disabled as desired prior to calling
+local function dump_wram( file, rom_size_KB, debug )
+
+	local KB_per_read = 8
+	local num_reads = rom_size_KB / KB_per_read
+	local read_count = 0
+	local addr_base = 0x60	-- $6000
+
+	while ( read_count < num_reads ) do
+
+		if debug then print( "dump WRAM part ", read_count, " of ", num_reads) end
+
+		dump.dumptofile( file, KB_per_read, addr_base, "NESCPU_PAGE", false )
+
+		read_count = read_count + 1
+	end
+
+end
+
+
+
+--Cart should be in reset state upon calling this function 
+--this function processes all user requests for this specific board/mapper
+local function process(process_opts, console_opts)
+	local test = process_opts["test"]
+	local read = process_opts["read"]
+	local erase = process_opts["erase"]
+	local program = process_opts["program"]
+	local verify = process_opts["verify"]
+	local dumpfile = process_opts["dump_filename"]
+	local flashfile = process_opts["flash_filename"]
+	local verifyfile = process_opts["verify_filename"]
+	local dumpram = process_opts["dumpram"]
+	local ramdumpfile = process_opts["dumpram_filename"]
+	local writeram = process_opts["writeram"]
+	local ramwritefile = process_opts["writeram_filename"]
+
+	local rv = nil
+	local file 
+	local prg_size = console_opts["prg_rom_size_kb"]
+	local chr_size = console_opts["chr_rom_size_kb"]
+	local wram_size = console_opts["wram_size_kb"]
+
+--initialize device i/o for NES
+	dict.io("IO_RESET")
+	dict.io("NES_INIT")
+
+--test cart by reading manf/prod ID
+	if test then
+		print("Testing ", mapname)
+
+		--verify mirroring is behaving as expected
+		mirror_test(true)
+
+		nes.ppu_ram_sense(0x1000, true)
+		print("EXP0 pull-up test:", dict.io("EXP0_PULLUP_TEST"))	
+
+		--attempt to read PRG-ROM flash ID
+	--	prgrom_manf_id(true)
+	--	--attempt to read CHR-ROM flash ID
+	--	chrrom_manf_id(true)
+	end
+
+--dump the ram to file 
+	if dumpram then
+		print("\nDumping WRAM...")
+
+		init_mapper()
+		
+		file = assert(io.open(ramdumpfile, "wb"))
+
+		--dump cart into file
+		dump_wram(file, wram_size, false)
+
+		--close file
+		assert(file:close())
+
+		print("DONE Dumping WRAM")
+	end
+
+
+
+--dump the cart to dumpfile
+	if read then
+		print("\nDumping PRG & CHR ROMs...")
+
+		init_mapper()
+
+		file = assert(io.open(dumpfile, "wb"))
+
+		--dump cart into file
+		dump_prgrom(file, prg_size, false)
+		dump_chrrom(file, chr_size, false)
+
+		--close file
+		assert(file:close())
+
+		print("DONE Dumping PRG & CHR ROMs")
+	end
+
+
+--erase the cart
+	if erase then
+
+		print("\nerasing ", mapname, "not supported")
+
+
+	end
+
+--write to wram on the cart
+	if writeram then
+
+		print("\nWritting to WRAM...")
+
+		init_mapper()
+		
+		--disable write protection, and enable WRAM
+		--for save data safety start by disabling WRAM writes
+		dict.nes("NES_CPU_WR", 0x5102, 0x02)	--bits 1&0 must be '01' (ie 0x02) to allow writes to WRAM
+		dict.nes("NES_CPU_WR", 0x5103, 0x01)	--bits 1&0 must be '10' (ie 0x01) to allow writes to WRAM
+
+		file = assert(io.open(ramwritefile, "rb"))
+
+		flash.write_file( file, wram_size, "NOVAR", "PRGRAM", false )
+
+		--for save data safety disable WRAM writes
+		dict.nes("NES_CPU_WR", 0x5102, 0x01)	--bits 1&0 must be '01' (ie 0x02) to allow writes to WRAM
+		dict.nes("NES_CPU_WR", 0x5103, 0x02)	--bits 1&0 must be '10' (ie 0x01) to allow writes to WRAM
+
+		--close file
+		assert(file:close())
+
+		print("DONE Writting WRAM")
+	end
+
+--program flashfile to the cart
+	if program then
+
+		print("\nflashing ", mapname, "not supported")
+
+	end
+
+--verify flashfile is on the cart
+	if verify then
+		--for now let's just dump the file and verify manually
+		print("\nPost dumping PRG & CHR ROMs...")
+
+		init_mapper()
+
+		file = assert(io.open(verifyfile, "wb"))
+
+		--dump cart into file
+		dump_prgrom(file, prg_size, false)
+		dump_chrrom(file, chr_size, false)
+
+		--close file
+		assert(file:close())
+
+		print("DONE post dumping PRG & CHR ROMs")
+	end
+
+	dict.io("IO_RESET")
+end
+
+
+-- global variables so other modules can use them
+
+
+-- call functions desired to run when script is called/imported
+
+
+-- functions other modules are able to call
+mmc5.process = process
+
+-- return the module's table
+return mmc5