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Diffstat (limited to 'plugins/data/data_hiscore.lua')
-rw-r--r--plugins/data/data_hiscore.lua803
1 files changed, 803 insertions, 0 deletions
diff --git a/plugins/data/data_hiscore.lua b/plugins/data/data_hiscore.lua
new file mode 100644
index 00000000000..5f1a0f70521
--- /dev/null
+++ b/plugins/data/data_hiscore.lua
@@ -0,0 +1,803 @@
+-- to use this get the package from http://greatstone.free.fr/hi2txt/
+-- extract the hi2txt.zip and place it in your history path
+
+local dat = {}
+local env = {}
+local output
+local curset
+
+function dat.check(set, softlist)
+ if softlist then
+ return nil
+ end
+ local datpath
+ local function xml_parse()
+ local file = emu.file(lfs.env_replace(mame_manager:ui():options().entries.historypath:value():gsub("([^;]+)", "%1/hi2txt")), 1)
+ local ret = file:open(set .. ".xml")
+ local table
+ if ret then
+ return nil
+ end
+ datpath = file:fullpath():gsub(".zip", "/")
+ local data = file:read(file:size())
+ data = data:match("<hi2txt>(.*)</ *hi2txt>")
+ local function get_tags(str, parent)
+ local arr = {}
+ while str ~= "" do
+ local tag, attr, stop
+ tag, attr, stop, str = str:match("<([%w!_%-]+) ?(.-)(/?)[ %-]->(.*)")
+
+ if not tag then
+ return arr
+ end
+ if tag:sub(0, 3) ~= "!--" then
+ local block = {}
+ if stop ~= "/" then
+ local nest
+ nest, str = str:match("(.-)</ *" .. tag .. " *>(.*)")
+ local children = get_tags(nest, tag)
+ if not next(children) then
+ nest = nest:gsub("<!--.-%-%->", "")
+ nest = nest:gsub("^%s*(.-)%s*$", "%1")
+ block["text"] = nest
+ else
+ block = children
+ end
+ end
+ if attr then
+ for name, value in attr:gmatch("([-%w]-)=\"(.-)\"") do
+ block[name] = value:gsub("^(.-)$", "%1")
+ end
+ end
+ if not arr[tag] then
+ arr[tag] = {}
+ end
+ if parent == "structure" or parent == "output" or parent == "format" or parent == "loop" or parent == "concat" then
+ block["tag"] = tag
+ arr[#arr + 1] = block
+ elseif tag == "charset" or tag == "bitmask" then
+ arr[tag][block["id"]] = block
+ elseif tag == "case" or tag == "char" then
+ arr[tag][block["src"]] = block
+ else
+ arr[tag][#arr[tag] + 1] = block
+ end
+ end
+ end
+ return arr
+ end
+ return get_tags(data, "")
+ end
+
+ local function parse_table(xml)
+ local total_size = 0
+ local s = { "data = open('" .. xml.structure[1].file .. "', size)\noffset = 1\narr = {}" }
+ local fparam = {}
+ if xml.bitmask then
+ local bitmask = "bitmask = {"
+ for id, masks in pairs(xml.bitmask) do
+ bitmask = bitmask .. "['" .. id .. "'] = {"
+ for num, mask in ipairs(masks.character) do
+ mask = mask:gsub("( )", "")
+ local newmask = tonumber(mask, 2)
+ local shift = 0
+ local count = 8
+ while (newmask & 1) == 0 do
+ newmask = newmask >> 1
+ shift = shift + 1
+ end
+ if masks.byte-completion and masks.byte-completion == "no" then
+ count = 0
+ while (newmask >> count) & 1 == 1 do
+ count = count + 1
+ end
+ end
+ bitmask = bitmask .. "{ mask = " .. newmask .. ", ishift = " .. shift .. ", oshift = " .. count .. "},"
+ end
+ bitmask = bitmask .. "},"
+ end
+ s[#s + 1] = bitmask .. "}"
+ end
+ if xml.charset then
+ local charset = "charset = {"
+ for id, set in pairs(xml.charset) do
+ local default
+ charset = charset .. "['" .. id .. "'] = {"
+ for src, char in pairs(set.char) do
+ if char.default and char.default == "yes" then
+ default = char.dst
+ end
+ charset = charset .. "[" .. src .. "]" .. " = '" .. char.dst .. "',"
+ end
+ if default then
+ charset = charset .. "default = " .. default
+ end
+ charset = charset .. "},"
+ end
+ s[#s + 1] = charset .. "}"
+ end
+
+ local function check_format(formstr)
+ local formats = {}
+ local ret = " function tempform(val)"
+ formstr = formstr:gsub("&gt;", ">")
+ formstr:gsub("([^;]+)", function(s) formats[#formats + 1] = s end)
+ for num, form in ipairs(formats) do
+ local oper
+ local first, rest = form:match("^(.)(.*)$")
+ if first == "*" and tonumber(rest) then
+ oper = " val = val * " .. rest
+ elseif first == "/" and tonumber(rest) then
+ oper = " val = val / " .. rest
+ elseif first == "d" and tonumber(rest) then
+ oper = " val = math.floor(val / " .. rest .. ")"
+ elseif first == "D" and tonumber(rest) then
+ oper = " val = math.floor((val / " .. rest .. ") + 0.5)"
+ elseif first == "-" and tonumber(rest) then
+ oper = " val = val - " .. rest
+ elseif first == "+" and tonumber(rest) then
+ oper = " val = val + " .. rest
+ elseif first == "%" and tonumber(rest) then
+ oper = " val = val % " .. rest
+ elseif first == ">" and tonumber(rest) then
+ oper = " val = val << " .. rest
+ elseif first == "L" and (rest == "C" or rest == "owercase") then
+ oper = " val = val:lower()"
+ elseif first == "U" and (rest == "C" or rest == "ppercase") then
+ oper = " val = val:upper()"
+ elseif first == "C" and rest == "apitalize" then
+ oper = " val = val:gsub('^(.)', function(s) return s:upper() end)"
+ elseif first == "R" and (rest == "" or rest == "ound") then
+ oper = " val = math.floor(" .. var .. " + 0.5)"
+ elseif first == "T" then
+ local trim, char = rest:match("rim(L?R?)(.)$")
+ if trim == "L" or trim == "" then
+ oper = " val = val:gsub('^(" .. char .. "*)', '')"
+ end
+ if trim == "R" or trim == "" then
+ oper = " val = val:gsub('(" .. char .. "*)$', '')"
+ end
+ elseif first == "P" then
+ local pad, count, char = rest:match("ad(L?R?)(%d-)(.)$")
+ if pad == "L" then
+ oper = " val = string.rep('" .. char .. "', " .. count .. " - #val) .. val"
+ elseif pad == "R" then
+ oper = "val = val .. string.rep('" .. char .. "', " .. count .. " - #val)"
+ elseif pad == nil then
+ local prefix = rest:match("refix(.*)")
+ if prefix then
+ oper = " val = '" .. rest .. "' .. val"
+ end
+ end
+ elseif first == "S" then
+ local suffix = rest:match("uffix(.*)")
+ if suffix then
+ oper = " val = val .. '" .. rest .. "'"
+ end
+ elseif (first == "h" and rest == "exadecimal_string") or (first == "0" and rest == "x") then
+ oper = " val = string.format('0x%x', val)"
+ elseif (first == "L" and rest == "oopIndex") then
+ oper = " val = index"
+ end
+ if not oper then
+ oper = " val = format['" .. form .. "'](val, {"
+ for num1, colpar in ipairs(fparam[form]) do
+ oper = oper .. "arr['" .. colpar .. "'][i].val or arr['" .. colpar .. "'][1].val,"
+ end
+ oper = oper .. "})"
+ end
+ ret = ret .. oper
+ end
+ return ret .. " return val\nend"
+ end
+
+ if xml.format then
+ local format = { "format = {" }
+ for num, form in ipairs(xml.format) do
+ local param = {}
+ format[#format + 1] = "['" .. form["id"] .. "'] = "
+ --[[if form["input-as-subcolumns-input"] then
+ format[#format + 1] = "input_as_subcolumns_input = '" .. form["input-as-subcolumns-input"] .. "',"
+ end]]--
+ format[#format + 1] = "function(val, param) "
+ if form["formatter"] then
+ format[#format + 1] = "function tempform(val) "
+ end
+ if form["apply-to"] == "char" then
+ format[#format + 1] = "val = val:gsub('(.)', function(val) "
+ end
+ format[#format + 1] = "local temp = val"
+ for num1, op in ipairs(form) do
+ if op.tag == "add" then
+ format[#format + 1] = "val = val + " .. op.text
+ elseif op.tag == "prefix" then
+ format[#format + 1] = "val = '" .. op.text .. "' .. val "
+ elseif op.tag == "suffix" then
+ format[#format + 1] = "val = val .. '" .. op.text .. "'"
+ elseif op.tag == "multiply" then
+ format[#format + 1] = "val = val * " .. op.text
+ elseif op.tag == "divide" then
+ format[#format + 1] = "val = val / " .. op.text
+ elseif op.tag == "sum" then
+ format[#format + 1] = "val = 0"
+ for num2, col in ipairs(op) do
+ param[#param + 1] = col["id"]
+ if col["format"] then
+ local colform = check_format(col["format"])
+ format[#format + 1] = colform .. " val = val + tempform(val)"
+ else
+ format[#format + 1] = "val = val + param[" .. #param .. "]"
+ end
+ end
+ elseif op.tag == "concat" then
+ format[#format + 1] = "val = ''"
+ for num2, col in ipairs(op) do
+ if col["tag"] == "txt" then
+ format[#format + 1] = "val = val .. '" .. col["text"] .. "'"
+ elseif col["format"] then
+ param[#param + 1] = col["id"]
+ local n = #param
+ format[#format + 1] = function() return " " .. check_format(col["format"]) .. " val = val .. tempform(param[" .. n .. "])" end
+ else
+ param[#param + 1] = col["id"]
+ format[#format + 1] = "val = val .. param[" .. #param .. "]"
+ end
+ end
+ elseif op.tag == "min" then
+ format[#format + 1] = "val = 0x7fffffffffffffff"
+ for num2, col in ipairs(op) do
+ param[#param + 1] = col["id"]
+ format[#format + 1] = "val = math.min(val, param[" .. #param .. "])"
+ end
+ elseif op.tag == "max" then
+ format[#format + 1] = "val = 0"
+ for num2, col in ipairs(op) do
+ param[#param + 1] = col["id"]
+ format[#format + 1] = "val = math.max(val, param[" .. #param .. "])"
+ end
+ elseif op.tag == "pad" then
+ format[#format + 1] = "if type(val) == 'number' then val = tostring(val) end"
+ format[#format + 1] = "if #val < " .. op.max .. " then"
+ if op.direction == "left" then
+ format[#format + 1] = "val = string.rep('" .. op.text .. "', " .. op.max .. " - #val) .. val"
+ elseif op.direction == "right" then
+ format[#format + 1] = "val = val .. string.rep('" .. op.text .. "', " .. op.max .. " - #val)"
+ end
+ format[#format + 1] = "end"
+ elseif op.tag == "trim" then
+ if op.direction == "left" or op.direction == "both" then
+ format[#format + 1] = "val = val:gsub('^(" .. op.text .. "*)', '')"
+ end
+ if op.direction == "right" or op.direction == "both" then
+ format[#format + 1] = "val = val:gsub('(" .. op.text .. "*)$', '')"
+ end
+ elseif op.tag == "substract" then
+ format[#format + 1] = "val = val - " .. op.text
+ elseif op.tag == "remainder" then
+ format[#format + 1] = "val = val % " .. op.text
+ elseif op.tag == "trunc" then
+ format[#format + 1] = "val = math.floor(val)"
+ elseif op.tag == "round" then
+ format[#format + 1] = "val = math.floor(val + 0.5)"
+ elseif op.tag == "divide_trunc" then
+ format[#format + 1] = "val = math.floor(val / " .. op.text .. ")"
+ elseif op.tag == "divide_round" then
+ format[#format + 1] = "val = math.floor((val / " .. op.text .. ") + 0.5)"
+ elseif op.tag == "replace" then
+ format[#format + 1] = "val = val:gsub('" .. op.src .. "', '" .. op.dst .. "')"
+ elseif op.tag == "shift" then
+ format[#format + 1] = "val = val << " .. op.text
+ elseif op.tag == "lowercase" then
+ format[#format + 1] = "val = val:lower()"
+ elseif op.tag == "uppercase" then
+ format[#format + 1] = "val = val:upper()"
+ elseif op.tag == "capitalize" then
+ format[#format + 1] = "val = val:gsub('^(.)', function(s) return s:upper() end)"
+ elseif op.tag == "loopindex" then
+ param[#param + 1] = "loopindex"
+ format[#format + 1] = "val = param[" .. #param .. "]"
+ elseif op.tag == "case" then
+ format[#format + 1] = "val = temp"
+ if not tonumber(op["src"]) then
+ op["src"] = "'" .. op["src"] .. "'"
+ end
+ if not tonumber(op["dst"]) then
+ op["dst"] = "'" .. op["dst"] .. "'"
+ end
+ if op["default"] == "yes" then
+ format[#format + 1] = "local default = " .. op["dst"]
+ end
+ if op["operator-format"] then
+ format[#format + 1] = function() return " val = ".. check_format(col["operator-format"]) end
+ end
+ if not op["operator"] then
+ op["operator"] = "=="
+ else
+ op["operator"] = op["operator"]:gsub("&lt;", "<")
+ op["operator"] = op["operator"]:gsub("&gt;", ">")
+ end
+ format[#format + 1] = "if val " .. op["operator"] .. " " .. op["src"] .. " then"
+ format[#format + 1] = "val = " .. op["dst"]
+ if op["format"] then
+ format[#format + 1] = function() return " val = ".. check_format(col["operator-format"]) end
+ end
+ format[#format + 1] = "return val\n end"
+ end
+
+ end
+ fparam[form["id"]] = param
+ if form["apply-to"] == "char" then
+ format[#format + 1] = "if default then\nreturn default\nend\nreturn val\nend)\nreturn val\nend"
+ else
+ format[#format + 1] = "if default then\nreturn default\nend\nreturn val\nend"
+ end
+ if form["formatter"] then
+ format[#format + 1] = "return string.format('" .. form["formatter"] .. "', tempform(val))\nend"
+ end
+ format[#format + 1] = ","
+ end
+ for num, line in ipairs(format) do
+ if type(line) == "string" then
+ s[#s + 1] = line
+ elseif type(line) == "function" then
+ s[#s + 1] = line()
+ end
+ end
+ s[#s + 1] = "}"
+ end
+ local function parse_elem(elem, loopelem)
+ local ret = 0
+ if elem["tag"] == "loop" then
+ if elem["skip-first-bytes"] then
+ s[#s + 1] = "offset = offset + " .. elem["skip-first-bytes"]
+ end
+ s[#s + 1] = "for i = 1, " .. elem["count"] .. " do"
+ for num, elt in ipairs(elem) do
+ index = parse_elem(elt, elem)
+ end
+ s[#s + 1] = "end"
+ if elem["skip-last-bytes"] then
+ s[#s + 1] = "offset = offset + " .. elem["skip-last-bytes"]
+ end
+ elseif elem["tag"] == "elt" then
+ s[#s + 1] = "if not arr['" .. elem["id"] .. "'] then arr['" .. elem["id"] .. "'] = {} end\nelem = {}"
+ s[#s + 1] = "bytes = table.pack(string.unpack('" .. string.rep("c1", elem["size"]) .. "', data, offset))"
+ if loopelem then
+ total_size = total_size + elem["size"] * loopelem["count"]
+ else
+ total_size = total_size + elem["size"]
+ end
+ s[#s + 1] = "offset = table.remove(bytes)"
+ if elem["decoding-profile"] then
+ if elem["decoding-profile"] == "base-40" then
+ elem["src-unit-size"] = 16
+ elem["base"] = "40"
+ elem["dst-unit-size"] = 3
+ elem["ascii-offset"] = 64
+ elseif elem["decoding-profile"] == "base-32" then
+ elem["src-unit-size"] = 16
+ elem["base"] = "32"
+ elem["dst-unit-size"] = 3
+ elem["ascii-offset"] = 64
+ elseif elem["decoding-profile"] == "bcd" then
+ elem["endianness"] = "big-endian"
+ elem["nibble-skip"] = "odd"
+ elem["base"] = "16"
+ elseif elem["decoding-profile"] == "bcd-le" then
+ elem["endianness"] = "big-endian"
+ elem["nibble-skip"] = "odd"
+ elem["base"] = "16"
+ end
+ end
+ local bytedec = elem["swap-skip-order"] or "byte-swap;bit-swap;byte-skip;endianness;byte-trim;nibble-skip;bitmask"
+ local bytedecl = {}
+ bytedec:gsub("([^;]*)", function(c) bytedecl[#bytedecl + 1] = c end)
+ for num, func in ipairs(bytedecl) do
+ if elem[func] then
+ fixfunc = func:gsub("-", "_")
+ if func == "bitmask" then
+ s[#s + 1] = "bytes = " .. fixfunc .. "(bytes, bitmask['" .. elem[func] .. "'])"
+ else
+ s[#s + 1] = "bytes = " .. fixfunc .. "(bytes, '" .. elem[func] .. "')"
+ end
+ end
+ end
+ if elem["type"] == "int" then
+ s[#s + 1] = "value = string.unpack('>I' .. #bytes, table.concat(bytes))"
+ elem["base"] = elem["base"] or "10"
+ if elem["base"] == "16" then
+ s[#s + 1] = "value = frombcd(value)"
+ end
+ s[#s + 1] = "elem.val = value"
+ elseif elem["type"] == "text" then
+ if elem["ascii-step"] then
+ s[#s + 1] = "bytes = ascii_step(bytes, " .. elem["ascii-step"] .. ")"
+ end
+ if elem["ascii-offset"] then
+ s[#s + 1] = "bytes = ascii_offset(bytes, " .. elem["ascii-offset"] .. ")"
+ end
+ if elem["base"] then
+ s[#s + 1] = "bytes = basechar(bytes, " .. elem["base"] .. ")"
+ end
+ if elem["charset"] then
+ local charsets = {}
+ elem["charset"]:gsub("([^;]*)", function(s) charsets[#charsets + 1] = s return "" end)
+ for num, charset in pairs(charsets) do
+ if charset:match("^CS_") then
+ s[#s + 1] = "bytes = charset_conv(bytes, " .. charset .. ")"
+ elseif charset ~= "" then
+ s[#s + 1] = "bytes = charset_conv(bytes, charset['" .. charset .. "'])"
+ end
+ end
+ end
+ s[#s + 1] = "elem.val = table.concat(bytes)"
+ end
+ local index
+ if elem["table-index"] then
+ index = tonumber(elem["table-index"])
+ end
+ if not index and loopelem then
+ local total = loopelem["count"]
+ local start = loopelem["start"] or 0
+ local step = loopelem["step"] or 1
+ local ref, reftype
+ if elem["table-index"] then
+ elem["table-index"]:match("([%w ]*):([%a_]*)")
+ end
+ if not elem["table-index"] or elem["table-index"] == "loop_index" then
+ index = "(i - 1) * " .. step .. " + " .. start
+ elseif elem["table-index"] == "loop_reverse_index" then
+ index = "(" .. total .. "- i) * " .. step .. " + " .. start
+ elseif elem["table-index"] == "itself" then
+ index = "value"
+ elseif elem["table-index"] == "last" then
+ index = "lastindex"
+ elseif reftype then
+ index = reftype .. "(arr, '" .. ref .. "')"
+ end
+ end
+ if index then
+ s[#s + 1] = "elem.index = " .. index
+ s[#s + 1] = "lastindex = elem.index"
+ end
+ s[#s + 1] = "arr['" .. elem["id"] .. "'][#arr['" .. elem["id"] .. "'] + 1] = elem"
+ end
+ return index
+ end
+ for num, elem in ipairs(xml.structure[1]) do
+ if elem["tag"] == "loop" or elem["tag"] == "elt" then
+ parse_elem(elem)
+ end
+ end
+ table.insert(s, 1, "size = " .. total_size)
+
+ s[#s + 1] = "output = ''"
+
+ for num1, fld in ipairs(xml.output[1]) do
+ if not fld["display"] or fld["display"] == "always" then
+ if fld["tag"] == "field" then
+ if not fld["src"] then
+ fld["src"] = fld["id"]
+ end
+ s[#s + 1] = "output = output .. '" .. fld["id"] .. " '"
+ s[#s + 1] = "val = arr['" .. fld["src"] .. "'][1]"
+ if fld["format"] then
+ s[#s + 1] = check_format(fld["format"])
+ s[#s + 1] = "val = tempform(val)"
+ end
+ s[#s + 1] = "output = output .. val .. '\\n'"
+ elseif fld["tag"] == "table" then
+ local head = {}
+ local dat = {}
+ local loopcnt
+ local igncol, ignval
+ if fld["line-ignore"] then
+ igncol, ignval = fld["line-ignore"]:match("([^:]*):(.*)")
+ end
+ for num2, col in ipairs(fld["column"]) do
+ if not col["display"] or col["display"] == "always" then
+ if not col["src"] then
+ col["src"] = col["id"]
+ end
+ if not loopcnt and col["src"] ~= "index" then
+ table.insert(dat, 1, "for i = 1, #arr['" .. col["src"] .. "'] do")
+ table.insert(dat, 2, "index = arr['" .. col["src"] .. "'][i].index")
+ table.insert(dat, 3, "line = ''")
+ loopcnt = true
+ end
+ head[#head + 1] = "output = output .. '" .. col["id"] .. "\\t'"
+ if col["src"] == "index" then
+ dat[#dat + 1] = "val = index"
+ else
+ dat[#dat + 1] = "if arr['" .. col["src"] .. "'] then val = arr['" .. col["src"] .. "'][i].val end"
+ end
+ if col["format"] then
+ dat[#dat + 1] = check_format(col["format"])
+ dat[#dat + 1] = "val = tempform(val)"
+ end
+ if igncol == col["id"] then
+ dat[#dat + 1] = "checkval = val"
+ end
+ dat[#dat + 1] = "line = line .. val .. '\\t'"
+ end
+ end
+ if igncol then
+ dat[#dat + 1] = "if checkval ~= " .. ignval .. " then output = output .. line .. '\\n' end\nend"
+ else
+ dat[#dat + 1] = "output = output .. line .. '\\n'\nend"
+ end
+ s[#s + 1] = table.concat(head, "\n") .. "\noutput = output .. '\\n'"
+ s[#s + 1] = table.concat(dat, "\n")
+ end
+ end
+ end
+ s[#s + 1] = "return output"
+
+ -- cache script
+ local script = table.concat(s, "\n")
+ local scrpath = datpath .. "/"
+ local scrfile = io.open(scrpath .. set .. ".lua", "w+")
+ if not scrfile then
+ lfs.mkdir(scrpath)
+ scrfile = io.open(scrpath .. set .. ".lua", "w+")
+ end
+ if scrfile then
+ scrfile:write(script)
+ end
+ return script
+ end
+
+ if #env == 0 then
+ function env.open(file, size)
+ if file == ".hi" then
+ local path = "hi"
+ local ini = emu.file(lfs.env_replace(manager:options().entries.inipath:value()), 1)
+ local ret = ini:open("hiscore.ini")
+ if not ret then
+ local inifile = ini:read(ini:size())
+ for line in inifile:gmatch("[^\n\r]") do
+ token, value = string.match(line, '([^ ]+) ([^ ]+)');
+ if token == "hi_path" then
+ path = value
+ break
+ end
+ end
+ end
+ file = path .. "/" .. set .. ".hi"
+ else
+ file = lfs.env_replace(manager:options().entries.nvram_directory:value()) .. "/" .. set .. "/" .. file
+ end
+ local f = io.open(file, "rb")
+ local content = f:read("*all")
+ f:close()
+ if #content < size then
+ content = content .. string.rep("\0", size - #content)
+ end
+ return content
+ end
+
+ function env.endianness(bytes, endian)
+ local newbytes = {}
+ if endian == "little_endian" then
+ for i = 1, #bytes do
+ newbytes[i] = bytes[#bytes - i + 1]
+ end
+ else
+ newbytes = bytes
+ end
+ return newbytes
+ end
+
+ function env.byte_skip(bytes, skip)
+ local newbytes = {}
+ if skip == "odd" then
+ -- lua lists are 1 based so use even indexes
+ for i = 2, #bytes, 2 do
+ newbytes[i/2] = bytes[i]
+ end
+ elseif skip == "even" then
+ for i = 1, #bytes, 2 do
+ newbytes[(i+1)/2] = bytes[i]
+ end
+ elseif skip == "1000" then
+ for i = 1, #bytes, 4 do
+ newbytes[(i+3)/4] = bytes[i]
+ end
+ elseif skip == "0100" then
+ for i = 2, #bytes, 4 do
+ newbytes[(i+2)/4] = bytes[i]
+ end
+ elseif skip == "0010" then
+ for i = 3, #bytes, 4 do
+ newbytes[(i+1)/4] = bytes[i]
+ end
+ elseif skip == "0001" then
+ for i = 4, #bytes, 4 do
+ newbytes[i/4] = bytes[i]
+ end
+ else
+ skip = tonumber(skip)
+ for i = 1, #bytes do
+ if bytes[i] ~= skip then
+ newbytes[#newbytes + 1] = bytes[i]
+ end
+ end
+ end
+ return newbytes
+ end
+
+ function env.byte_trim(bytes, val)
+ val = tonumber(val)
+ for i = 1, #bytes do
+ if bytes[i] ~= val then
+ return bytes
+ end
+ table.remove(bytes, 1)
+ end
+ return bytes
+ end
+
+ function env.byte_swap(bytes, val)
+ local newbytes = {}
+ val = tonumber(val)
+ for i = 1, #bytes do
+ local off = i + val - 1 - 2 * ((i - 1) % val)
+ if off > #bytes then -- ??
+ break
+ end
+ newbytes[i] = bytes[off]
+ end
+ return newbytes
+ end
+
+ function env.nibble_skip(bytes, skip)
+ local newbytes = {}
+ if skip == "odd" then
+ for i = 1, #bytes, 2 do
+ val = bytes[i]:byte(1)
+ newbytes[(i+1)/2] = string.char(((val & 0x0f) << 4) | (val & 0x0f))
+ end
+ elseif skip == "even" then
+ for i = 1, #bytes, 2 do
+ val = bytes[i]:byte(1)
+ newbytes[(i+1)/2] = string.char((val & 0xf0) | ((val & 0xf0) >> 4))
+ end
+ end
+ return newbytes
+ end
+
+ function env.bit_swap(bytes, swap)
+ if swap == "yes" then
+ for i = 1, #bytes do
+ val = bytes[i]:byte(1)
+ bytes[i] = string.char(((val & 1) << 7) | ((val & 2) << 5) | ((val & 4) << 3) | ((val & 8) << 1) | ((val & 0x10) >> 1) | ((val & 0x20) >> 3) | ((val & 0x40) >> 5) | ((val & 0x80) >> 7))
+ end
+ end
+ return bytes
+ end
+
+ function env.bitmask(bytes, mask)
+ local newbytes = 0
+ bytes = string.unpack(">I" .. #bytes, table.concat(bytes))
+ for i = 1, #mask do
+ newbytes = newbytes | (((bytes >> mask.ishift) & mask.mask) << mask.oshift)
+ end
+ bytes = {}
+ while newbytes ~= 0 do
+ bytes[#bytes + 1] = newbytes & 0xff
+ newbytes = newbytes >> 8
+ end
+ newbytes = {}
+ for i = 1, #bytes do
+ newbytes[i] = string.char(bytes[#bytes + 1 - i])
+ end
+ return newbytes
+ end
+
+ function env.frombcd(val)
+ local result = 0
+ local mul = 1
+ while val ~= 0 do
+ result = result + ((val % 16) * mul)
+ val = val >> 4
+ mul = mul * 10
+ end
+ return result
+ end
+
+ function env.basechar(bytes, base)
+ if base == "32" then
+ elseif base == "40" then
+ end
+ return bytes
+ end
+
+ function env.charset_conv(bytes, charset)
+ if type(charset) == "string" then
+ local chartype, offset, delta = charset:match("CS_(%w*)%[?(%-?%d?%d?),?(%d?%d?)%]?")
+ if chartype == "NUMBER" then
+
+ end
+ return
+ end
+ for num, char in ipairs(bytes) do
+ char = string.byte(char)
+ if charset[char] then
+ bytes[num] = charset[char]
+ elseif charset.default then
+ bytes[num] = charset.default
+ end
+ end
+ return bytes
+ end
+
+ function env.ascii_step(bytes, step)
+ for num, char in ipairs(bytes) do
+ bytes[num] = string.char(char:byte() / step)
+ end
+ return bytes
+ end
+
+ function env.ascii_offset(bytes, offset)
+ for num, char in ipairs(bytes) do
+ bytes[num] = string.char(char:byte() + offset)
+ end
+ return bytes
+ end
+
+ env.tostring = tostring
+ env.type = type
+ env.table = { pack = table.pack, concat = table.concat, insert = table.insert, remove = table.remove }
+ env.string = { unpack = string.unpack, format = string.format, rep = string.rep, gsub = string.gsub, lower = string.lower, upper = string.upper }
+ env.math = { min = math.min, max = math.max, floor = math.floor }
+ end
+
+ if curset == set then
+ if output then
+ return "High Scores"
+ else
+ return nil
+ end
+ end
+ output = nil
+ curset = set
+
+ local scrfile = emu.file(lfs.env_replace(mame_manager:ui():options().entries.historypath:value():gsub("([^;]+)", "%1/hi2txt")), 1)
+ local ret = scrfile:open(set .. ".lua")
+ local script
+ if ret then
+ local xml = xml_parse()
+ if not xml then
+ return nil
+ end
+ local status
+ status, script = pcall(parse_table, xml)
+ if not status then
+ emu.print_verbose("error creating hi score parse script: " .. script)
+ return nil
+ end
+ else
+ script = scrfile:read(scrfile:size())
+ end
+ local scr, err = load(script, script, "t", env)
+ if err then
+ emu.print_verbose("error loading hi score script file: " .. err)
+ else
+ status, output = pcall(scr, xml_table)
+ if not status then
+ emu.print_verbose("error in hi score parse script: " .. output)
+ output = nil
+ end
+ end
+ if output then
+ return "High Scores"
+ else
+ return nil
+ end
+end
+
+function dat.get()
+ return output
+end
+
+return dat