mirror of
https://github.com/holub/mame
synced 2025-04-26 02:07:14 +03:00
827 lines
25 KiB
Lua
827 lines
25 KiB
Lua
-- license:BSD-3-Clause
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-- copyright-holders:Carl
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-- This includes a library of functions to be used at the Lua console as cf.getspaces() etc...
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local exports = {}
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exports.name = "cheatfind"
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exports.version = "0.0.1"
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exports.description = "Cheat finder helper library"
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exports.license = "The BSD 3-Clause License"
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exports.author = { name = "Carl" }
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local cheatfind = exports
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function cheatfind.startplugin()
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local cheat = {}
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-- return table of devices and spaces
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function cheat.getspaces()
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local spaces = {}
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for tag, device in pairs(manager:machine().devices) do
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if device.spaces then
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spaces[tag] = {}
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for name, space in pairs(device.spaces) do
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spaces[tag][name] = space
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end
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end
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end
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return spaces
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end
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-- return table of ram devices
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function cheat.getram()
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local ram = {}
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for tag, device in pairs(manager:machine().devices) do
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if device:shortname() == "ram" then
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ram[tag] = {}
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ram[tag].dev = device
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ram[tag].size = emu.item(device.items["0/m_size"]):read(0)
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end
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end
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return ram
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end
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-- return table of share regions
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function cheat.getshares()
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local shares = {}
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for tag, share in pairs(manager:machine():memory().shares) do
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shares[tag] = share
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end
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return shares
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end
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-- save data block
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function cheat.save(space, start, size)
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local data = { block = "", start = start, size = size, space = space, shift = 0 }
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if getmetatable(space).__name:match("addr_space") then
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data.shift = space.shift
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end
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if getmetatable(space).__name:match("device_t") then
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if space:shortname() == "ram" then
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data.block = emu.item(space.items["0/m_pointer"]):read_block(start, size)
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if not data.block then
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return nil
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end
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end
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else
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local block = ""
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local temp = {}
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local j = 1
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if data.shift >= 0 then -- region or byte wide space
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for i = start, start + (size << data.shift), 1 << data.shift do
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if j < 65536 then
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temp[j] = string.pack("B", space:read_u8(i))
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j = j + 1
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else
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block = block .. table.concat(temp) .. string.pack("B", space:read_u8(i))
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temp = {}
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j = 1
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end
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end
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elseif data.shift < 0 then
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local s = -data.shift
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local read = (s == 1) and space.read_u16 or (s == 2) and space.read_u32 or (s == 3) and space.read_u64 or space.read_u8
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local pack = (s == 1) and "<H" or (s == 2) and "<L" or (s == 3) and "<J" or "B"
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for i = start, start + (size >> s) do
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if j < 65536 then
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temp[j] = string.pack(pack, read(space, i))
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j = j + 1
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else
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block = block .. table.concat(temp) .. string.pack(pack, read(space, i))
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temp = {}
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j = 1
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end
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end
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end
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block = block .. table.concat(temp)
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data.block = block
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end
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return data
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end
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-- compare two data blocks, format is as lua string.unpack, bne and beq val is table of masks
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function cheat.comp(newdata, olddata, oper, format, val, bcd)
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local ret = {}
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local ref = {} -- this is a helper for comparing two match lists
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local bitmask = nil
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local cfoper = {
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lt = function(a, b, val) return (a < b and val == 0) or (val > 0 and (a + val) == b) end,
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gt = function(a, b, val) return (a > b and val == 0) or (val > 0 and (a - val) == b) end,
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eq = function(a, b, val) return a == b end,
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ne = function(a, b, val) return (a ~= b and val == 0) or
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(val > 0 and ((a - val) == b or (a + val) == b)) end,
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ltv = function(a, b, val) return a < val end,
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gtv = function(a, b, val) return a > val end,
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eqv = function(a, b, val) return a == val end,
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nev = function(a, b, val) return a ~= val end }
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function cfoper.bne(a, b, val, addr)
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if type(val) ~= "table" then
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bitmask = a ~ b
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return bitmask ~= 0
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elseif not val[addr] then
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return false
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else
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bitmask = (a ~ b) & val[addr]
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return bitmask ~= 0
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end
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end
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function cfoper.beq(a, b, val, addr)
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if type(val) ~= "table" then
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bitmask = ~a ~ b
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return bitmask ~= 0
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elseif not val[addr] then
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return false
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else
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bitmask = (~a ~ b) & val[addr]
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return bitmask ~= 0
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end
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end
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local function check_bcd(val)
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local a = val + 0x0666666666666666
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a = a ~ val
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return (a & 0x1111111111111110) == 0
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end
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local function frombcd(val)
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local result = 0
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local mul = 1
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while val ~= 0 do
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result = result + ((val % 16) * mul)
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val = val >> 4
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mul = mul * 10
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end
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return result
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end
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if not newdata and oper:sub(3, 3) == "v" then
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newdata = olddata
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end
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if olddata.start ~= newdata.start or olddata.size ~= newdata.size or not cfoper[oper] then
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return {}
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end
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if not val then
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val = 0
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end
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for i = 1, olddata.size do
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local oldstat, old = pcall(string.unpack, format, olddata.block, i)
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local newstat, new = pcall(string.unpack, format, newdata.block, i)
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if oldstat and newstat then
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local oldc, newc = old, new
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local comp = false
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local addr = i - 1
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if olddata.shift ~= 0 then
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local s = olddata.shift
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addr = (s < 0) and addr >> -s or (s > 0) and addr << s
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end
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addr = addr + olddata.start
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if not bcd or (check_bcd(old) and check_bcd(new)) then
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if bcd then
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oldc = frombcd(old)
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newc = frombcd(new)
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end
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if cfoper[oper](newc, oldc, val, addr) then
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ret[#ret + 1] = { addr = addr,
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oldval = old,
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newval = new,
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bitmask = bitmask }
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ref[ret[#ret].addr] = #ret
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end
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end
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end
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end
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return ret, ref
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end
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local function check_val(oper, val, matches)
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if oper ~= "beq" and oper ~= "bne" then
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return val
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elseif not matches or not matches[1].bitmask then
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return nil
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end
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local masks = {}
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for num, match in pairs(matches) do
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masks[match.addr] = match.bitmask
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end
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return masks
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end
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-- compare two blocks and filter by table of previous matches
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function cheat.compnext(newdata, olddata, oldmatch, oper, format, val, bcd)
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local matches, refs = cheat.comp(newdata, olddata, oper, format, check_val(oper, val, oldmatch), bcd)
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local nonmatch = {}
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local oldrefs = {}
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for num, match in pairs(oldmatch) do
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oldrefs[match.addr] = num
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end
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for addr, ref in pairs(refs) do
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if not oldrefs[addr] then
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nonmatch[ref] = true
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refs[addr] = nil
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else
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matches[ref].oldval = oldmatch[oldrefs[addr]].oldval
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end
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end
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local resort = {}
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for num, match in pairs(matches) do
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if not nonmatch[num] then
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resort[#resort + 1] = match
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end
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end
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return resort
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end
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-- compare a data block to the current state
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function cheat.compcur(olddata, oper, format, val, bcd)
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local newdata = cheat.save(olddata.space, olddata.start, olddata.size, olddata.space)
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return cheat.comp(newdata, olddata, oper, format, val, bcd)
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end
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-- compare a data block to the current state and filter
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function cheat.compcurnext(olddata, oldmatch, oper, format, val, bcd)
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local newdata = cheat.save(olddata.space, olddata.start, olddata.size, olddata.space)
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return cheat.compnext(newdata, olddata, oldmatch, oper, format, val, bcd)
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end
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_G.cf = cheat
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local devtable = {}
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local devsel = 1
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local devcur = 1
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local formtable = { "B", "b", "<H", ">H", "<h", ">h", "<L", ">L", "<l", ">l", "<J", ">J", "<j", ">j" }
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local formname = { "u8", "s8", "little u16", "big u16", "little s16", "big s16",
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"little u32", "big u32", "little s32", "big s32", "little u64", "big u64", "little s64", "big s64" }
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local width = 1
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local bcd = 0
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local optable = { "lt", "gt", "eq", "ne", "beq", "bne", "ltv", "gtv", "eqv", "nev" }
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local opsel = 1
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local value = 0
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local leftop = 2
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local rightop = 1
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local matches = {}
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local matchsel = 0
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local matchpg = 0
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local menu_blocks = {}
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local watches = {}
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local menu_func
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local cheat_save
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local name = 1
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local name_player = 1
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local name_type = 1
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local function start()
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devtable = {}
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devsel = 1
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devcur = 1
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width = 1
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bcd = 0
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opsel = 1
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value = 0
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leftop = 2
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rightop = 1
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matches = {}
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matchsel = 0
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matchpg = 0
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menu_blocks = {}
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watches = {}
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local space_table = cheat.getspaces()
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for tag, list in pairs(space_table) do
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for name, space in pairs(list) do
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local ram = {}
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for num, entry in pairs(space.map) do
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if entry.writetype == "ram" then
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ram[#ram + 1] = { offset = entry.offset, size = entry.endoff - entry.offset }
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if space.shift > 0 then
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ram[#ram].size = ram[#ram].size >> space.shift
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elseif space.shift < 0 then
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ram[#ram].size = ram[#ram].size << -space.shift
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end
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end
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end
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if next(ram) then
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if tag == ":maincpu" and name == "program" then
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table.insert(devtable, 1, { name = tag .. ", " .. name, tag = tag, sname = name, space = space, ram = ram })
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else
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devtable[#devtable + 1] = { name = tag .. ", " .. name, tag = tag, sname = name, space = space, ram = ram }
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end
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end
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end
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end
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space_table = cheat.getram()
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for tag, ram in pairs(space_table) do
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devtable[#devtable + 1] = { tag = tag, name = "ram", space = ram.dev, ram = {{ offset = 0, size = ram.size }} }
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end
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space_table = cheat.getshares()
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for tag, share in pairs(space_table) do
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devtable[#devtable + 1] = { tag = tag, name = tag, space = share, ram = {{ offset = 0, size = share.size }} }
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end
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end
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emu.register_start(start)
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local function menu_populate()
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local menu = {}
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local function menu_prepare()
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local menu_list = {}
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menu_func = {}
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for num, func in ipairs(menu) do
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local item, f = func()
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if item then
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menu_list[#menu_list + 1] = item
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menu_func[#menu_list] = f
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end
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end
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return menu_list
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end
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local function menu_lim(val, min, max, menuitem)
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if min == max then
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menuitem[3] = 0
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elseif val == min then
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menuitem[3] = "r"
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elseif val == max then
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menuitem[3] = "l"
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else
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menuitem[3] = "lr"
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end
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end
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local function incdec(event, val, min, max)
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local ret
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if event == "left" and val ~= min then
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val = val - 1
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ret = true
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elseif event == "right" and val ~= max then
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val = val + 1
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ret = true
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end
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return val, ret
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end
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if cheat_save then
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local cplayer = { "All", "P1", "P2", "P3", "P4" }
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local ctype = { "Infinite Credits", "Infinite Time", "Infinite Lives", "Infinite Energy", "Infinite Ammo", "Infinite Bombs", "Invincibility" }
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menu[#menu + 1] = function() return { _("Save Cheat"), "", "off" }, nil end
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menu[#menu + 1] = function() return { "---", "", "off" }, nil end
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menu[#menu + 1] = function()
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local c = { _("Default"), _("Custom") }
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local m = { _("Cheat Name"), c[name], 0 }
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menu_lim(name, 1, #c, m)
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local function f(event)
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local r
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name, r = incdec(event, name, 1, #c)
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if (event == "select" or event == "comment") and name == 1 then
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manager:machine():popmessage(string.format(_("Default name is %s"), cheat_save.name))
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end
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return r
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end
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return m, f
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end
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if name == 2 then
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menu[#menu + 1] = function()
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local m = { _("Player"), cplayer[name_player], 0 }
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menu_lim(name_player, 1, #cplayer, m)
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return m, function(event) local r name_player, r = incdec(event, name_player, 1, #cplayer) return r end
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end
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menu[#menu + 1] = function()
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local m = { _("Type"), ctype[name_type], 0 }
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menu_lim(name_type, 1, #ctype, m)
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return m, function(event) local r name_type, r = incdec(event, name_type, 1, #ctype) return r end
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end
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end
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menu[#menu + 1] = function()
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local m = { _("Save"), "", 0 }
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local function f(event)
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if event == "select" then
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local desc
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local written = false
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if name == 2 then
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if cplayer[name_player] == "All" then
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desc = ctype[name_type]
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else
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desc = cplayer[name_player] .. " " .. ctype[name_type]
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end
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else
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desc = cheat_save.name
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end
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local filename = cheat_save.filename .. "_" .. desc
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local file = io.open(filename .. ".json", "w")
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if file then
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file:write(string.format(cheat_save.json, desc))
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file:close()
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-- xml or simple are program space only
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if not getmetatable(devtable[devcur].space).__name:match("device_t") and devtable[devcur].sname == "program" then
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file = io.open(filename .. ".xml", "w")
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file:write(string.format(cheat_save.xml, desc))
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file:close()
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file = io.open(cheat_save.path .. "/cheat.simple", "a")
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file:write(string.format(cheat_save.simple, desc))
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file:close()
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manager:machine():popmessage(string.format(_("Cheat written to %s and added to cheat.simple"), filename))
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end
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written = true
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elseif not getmetatable(devtable[devcur].space).__name:match("device_t") and devtable[devcur].sname == "program" then
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file = io.open(cheat_save.path .. "/cheat.simple", "a")
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if file then
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file:write(string.format(cheat_save.simple, desc))
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file:close()
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manager:machine():popmessage(_("Cheat added to cheat.simple"))
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written = true
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end
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end
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if not written then
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manager:machine():popmessage(_("Unable to write file\nEnsure that cheatpath folder exists"))
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end
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cheat_save = nil
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return true
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end
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return false
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end
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return m, f
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end
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menu[#menu + 1] = function() return { _("Cancel"), "", 0 }, function(event) if event == "select" then cheat_save = nil return true end end end
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return menu_prepare()
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end
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menu[#menu + 1] = function()
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local m = { _("CPU or RAM"), devtable[devsel].name, 0 }
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menu_lim(devsel, 1, #devtable, m)
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local function f(event)
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if (event == "left" or event == "right") and #menu_blocks ~= 0 then
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manager:machine():popmessage(_("Changes to this only take effect when \"Start new search\" is selected"))
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end
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devsel = incdec(event, devsel, 1, #devtable)
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return true
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end
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return m, f
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end
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menu[#menu + 1] = function()
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local function f(event)
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local ret = false
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if event == "select" then
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menu_blocks = {}
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matches = {}
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devcur = devsel
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for num, region in ipairs(devtable[devcur].ram) do
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menu_blocks[num] = {}
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menu_blocks[num][1] = cheat.save(devtable[devcur].space, region.offset, region.size)
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end
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manager:machine():popmessage(_("Data cleared and current state saved"))
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watches = {}
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leftop = 2
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rightop = 1
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matchsel = 0
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return true
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end
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end
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return { _("Start new search"), "", 0 }, f
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end
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if #menu_blocks ~= 0 then
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menu[#menu + 1] = function() return { "---", "", "off" }, nil end
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menu[#menu + 1] = function()
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local function f(event)
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if event == "select" then
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for num, region in ipairs(devtable[devcur].ram) do
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menu_blocks[num][#menu_blocks[num] + 1] = cheat.save(devtable[devcur].space, region.offset, region.size)
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end
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manager:machine():popmessage(_("Current state saved"))
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leftop = (leftop == #menu_blocks[1]) and #menu_blocks[1] + 1 or leftop
|
|
rightop = (rightop == #menu_blocks[1] - 1) and #menu_blocks[1] or rightop
|
|
devsel = devcur
|
|
return true
|
|
end
|
|
end
|
|
return { _("Save current -- #") .. #menu_blocks[1] + 1, "", 0 }, f
|
|
end
|
|
menu[#menu + 1] = function()
|
|
local function f(event)
|
|
if event == "select" then
|
|
local count = 0
|
|
if #matches == 0 then
|
|
matches[1] = {}
|
|
for num = 1, #menu_blocks do
|
|
if leftop == #menu_blocks[1] + 1 then
|
|
matches[1][num] = cheat.compcur(menu_blocks[num][rightop], optable[opsel],
|
|
formtable[width], value, bcd == 1)
|
|
else
|
|
matches[1][num] = cheat.comp(menu_blocks[num][leftop], menu_blocks[num][rightop],
|
|
optable[opsel], formtable[width], value, bcd == 1)
|
|
end
|
|
count = count + #matches[1][num]
|
|
end
|
|
else
|
|
lastmatch = matches[#matches]
|
|
matches[#matches + 1] = {}
|
|
for num = 1, #menu_blocks do
|
|
if leftop == #menu_blocks[1] + 1 then
|
|
matches[#matches][num] = cheat.compcurnext(menu_blocks[num][rightop], lastmatch[num],
|
|
optable[opsel], formtable[width], value, bcd == 1)
|
|
else
|
|
matches[#matches][num] = cheat.compnext(menu_blocks[num][leftop], menu_blocks[num][rightop],
|
|
lastmatch[num], optable[opsel], formtable[width], value, bcd == 1)
|
|
end
|
|
count = count + #matches[#matches][num]
|
|
end
|
|
end
|
|
manager:machine():popmessage(string.format(_("%d total matches found"), count))
|
|
matches[#matches].count = count
|
|
matchpg = 0
|
|
devsel = devcur
|
|
return true
|
|
end
|
|
end
|
|
return { _("Compare"), "", 0 }, f
|
|
end
|
|
menu[#menu + 1] = function()
|
|
local m = { _("Left operand"), leftop, "" }
|
|
menu_lim(leftop, 1, #menu_blocks[1] + 1, m)
|
|
if leftop == #menu_blocks[1] + 1 then
|
|
m[2] = _("Current")
|
|
end
|
|
return m, function(event) local r leftop, r = incdec(event, leftop, 1, #menu_blocks[1] + 1) return r end
|
|
end
|
|
menu[#menu + 1] = function()
|
|
local m = { _("Operator"), optable[opsel], "" }
|
|
menu_lim(opsel, 1, #optable, m)
|
|
local function f(event)
|
|
local r
|
|
opsel, r = incdec(event, opsel, 1, #optable)
|
|
if event == "left" or event == "right" or event == "comment" then
|
|
if optable[opsel] == "lt" then
|
|
manager:machine():popmessage(_("Left less than right, value is difference"))
|
|
elseif optable[opsel] == "gt" then
|
|
manager:machine():popmessage(_("Left greater than right, value is difference"))
|
|
elseif optable[opsel] == "eq" then
|
|
manager:machine():popmessage(_("Left equal to right"))
|
|
elseif optable[opsel] == "ne" then
|
|
manager:machine():popmessage(_("Left not equal to right, value is difference"))
|
|
elseif optable[opsel] == "beq" then
|
|
manager:machine():popmessage(_("Left equal to right with bitmask"))
|
|
elseif optable[opsel] == "bne" then
|
|
manager:machine():popmessage(_("Left not equal to right with bitmask"))
|
|
elseif optable[opsel] == "ltv" then
|
|
manager:machine():popmessage(_("Left less than value"))
|
|
elseif optable[opsel] == "gtv" then
|
|
manager:machine():popmessage(_("Left greater than value"))
|
|
elseif optable[opsel] == "eqv" then
|
|
manager:machine():popmessage(_("Left equal to value"))
|
|
elseif optable[opsel] == "nev" then
|
|
manager:machine():popmessage(_("Left not equal to value"))
|
|
end
|
|
end
|
|
return r
|
|
end
|
|
return m, f
|
|
end
|
|
menu[#menu + 1] = function()
|
|
if optable[opsel]:sub(3, 3) == "v" then
|
|
return nil
|
|
end
|
|
local m = { _("Right operand"), rightop, "" }
|
|
menu_lim(rightop, 1, #menu_blocks[1], m)
|
|
return m, function(event) local r rightop, r = incdec(event, rightop, 1, #menu_blocks[1]) return r end
|
|
end
|
|
menu[#menu + 1] = function()
|
|
if optable[opsel] == "bne" or optable[opsel] == "beq" or optable[opsel] == "eq" then
|
|
return nil
|
|
end
|
|
local m = { _("Value"), value, "" }
|
|
local max = 100 -- max value?
|
|
menu_lim(value, 0, max, m)
|
|
if value == 0 and optable[opsel]:sub(3, 3) ~= "v" then
|
|
m[2] = _("Any")
|
|
end
|
|
return m, function(event) local r value, r = incdec(event, value, 0, max) return r end
|
|
end
|
|
menu[#menu + 1] = function() return { "---", "", "off" }, nil end
|
|
menu[#menu + 1] = function()
|
|
local m = { _("Data Format"), formname[width], 0 }
|
|
menu_lim(width, 1, #formtable, m)
|
|
return m, function(event) local r width, r = incdec(event, width, 1, #formtable) return r end
|
|
end
|
|
menu[#menu + 1] = function()
|
|
if optable[opsel] == "bne" or optable[opsel] == "beq" then
|
|
return nil
|
|
end
|
|
local m = { "BCD", _("Off"), 0 }
|
|
menu_lim(bcd, 0, 1, m)
|
|
if bcd == 1 then
|
|
m[2] = _("On")
|
|
end
|
|
return m, function(event) local r bcd, r = incdec(event, bcd, 0, 1) return r end
|
|
end
|
|
if #matches ~= 0 then
|
|
menu[#menu + 1] = function()
|
|
local function f(event)
|
|
if event == "select" then
|
|
matches[#matches] = nil
|
|
matchpg = 0
|
|
return true
|
|
end
|
|
end
|
|
return { _("Undo last search -- #") .. #matches, "", 0 }, f
|
|
end
|
|
menu[#menu + 1] = function() return { "---", "", "off" }, nil end
|
|
menu[#menu + 1] = function()
|
|
local m = { _("Match block"), matchsel, "" }
|
|
menu_lim(matchsel, 0, #matches[#matches], m)
|
|
if matchsel == 0 then
|
|
m[2] = _("All")
|
|
end
|
|
local function f(event)
|
|
local r
|
|
matchsel, r = incdec(event, matchsel, 0, #matches[#matches])
|
|
if r then
|
|
matchpg = 0
|
|
end
|
|
return r
|
|
end
|
|
return m, f
|
|
end
|
|
local function mpairs(sel, list, start)
|
|
if #list == 0 then
|
|
return function() end, nil, nil
|
|
end
|
|
if sel ~= 0 then
|
|
list = {list[sel]}
|
|
end
|
|
local function mpairs_it(list, i)
|
|
local match
|
|
i = i + 1
|
|
local sel = i + start
|
|
for j = 1, #list do
|
|
if sel <= #list[j] then
|
|
match = list[j][sel]
|
|
break
|
|
else
|
|
sel = sel - #list[j]
|
|
end
|
|
end
|
|
if not match then
|
|
return
|
|
end
|
|
return i, match
|
|
end
|
|
return mpairs_it, list, 0
|
|
end
|
|
local bitwidth = formtable[width]:sub(2, 2):lower()
|
|
if bitwidth == "h" then
|
|
bitwidth = " %04x"
|
|
elseif bitwidth == "l" then
|
|
bitwidth = " %08x"
|
|
elseif bitwidth == "j" then
|
|
bitwidth = " %016x"
|
|
else
|
|
bitwidth = " %02x"
|
|
end
|
|
|
|
local function match_exec(match)
|
|
local dev = devtable[devcur]
|
|
local cheat = { desc = string.format(_("Test cheat at addr %08X"), match.addr), script = {} }
|
|
local wid = formtable[width]:sub(2, 2):lower()
|
|
local widchar
|
|
local form
|
|
if wid == "h" then
|
|
wid = "u16"
|
|
form = "%08x %04x"
|
|
widchar = "w"
|
|
elseif wid == "l" then
|
|
wid = "u32"
|
|
form = "%08x %08x"
|
|
widchart = "d"
|
|
elseif wid == "j" then
|
|
wid = "u64"
|
|
form = "%08x %016x"
|
|
widchar = "q"
|
|
else
|
|
wid = "u8"
|
|
form = "%08x %02x"
|
|
widchar = "b"
|
|
end
|
|
|
|
|
|
if getmetatable(dev.space).__name:match("device_t") then
|
|
cheat.ram = { ram = dev.tag }
|
|
cheat.script.run = "ram:write(" .. match.addr .. "," .. match.newval .. ")"
|
|
else
|
|
cheat.space = { cpu = { tag = dev.tag, type = dev.sname } }
|
|
cheat.script.run = "cpu:write_" .. wid .. "(" .. match.addr .. "," .. match.newval .. ")"
|
|
end
|
|
if match.mode == 1 then
|
|
if not _G.ce then
|
|
manager:machine():popmessage(_("Cheat engine not available"))
|
|
else
|
|
_G.ce.inject(cheat)
|
|
end
|
|
elseif match.mode == 2 then
|
|
cheat_save = {}
|
|
menu = 1
|
|
menu_player = 1
|
|
menu_type = 1
|
|
local setname = emu.romname()
|
|
if emu.softname() ~= "" then
|
|
for name, image in pairs(manager:machine().images) do
|
|
if image:exists() and image:software_list_name() ~= "" then
|
|
setname = image:software_list_name() .. "/" .. emu.softname()
|
|
end
|
|
end
|
|
end
|
|
-- lfs.env_replace is defined in boot.lua
|
|
cheat_save.path = lfs.env_replace(manager:machine():options().entries.cheatpath:value()):match("([^;]+)")
|
|
cheat_save.filename = string.format("%s/%s", cheat_save.path, setname)
|
|
cheat_save.name = cheat.desc
|
|
local json = require("json")
|
|
cheat.desc = "%s"
|
|
cheat_save.json = json.stringify({[1] = cheat}, {indent = true})
|
|
cheat_save.xml = string.format("<mamecheat version=1>\n<cheat desc=\"%%s\">\n<script state=\"run\">\n<action>%s.pp%s@%X=%X</action>\n</script>\n</cheat>\n</mamecheat>", dev.tag:sub(2), widchar, match.addr, match.newval)
|
|
cheat_save.simple = string.format("%s,%s,%X,%s,%X,%%s\n", setname, dev.tag, match.addr, widchar, match.newval)
|
|
manager:machine():popmessage(string.format(_("Default name is %s"), cheat_save.name))
|
|
return true
|
|
else
|
|
local func = "return space:read"
|
|
local env = { space = devtable[devcur].space }
|
|
if not getmetatable(dev.space).__name:match("device_t") then
|
|
func = func .. "_" .. wid
|
|
end
|
|
func = func .. "(" .. match.addr .. ")"
|
|
watches[#watches + 1] = { addr = match.addr, func = load(func, func, "t", env), format = form }
|
|
return true
|
|
end
|
|
return false
|
|
end
|
|
|
|
for num2, match in mpairs(matchsel, matches[#matches], matchpg * 100) do
|
|
if num2 > 100 then
|
|
break
|
|
end
|
|
menu[#menu + 1] = function()
|
|
if not match.mode then
|
|
match.mode = 1
|
|
end
|
|
local modes = { _("Test"), _("Write"), _("Watch") }
|
|
local m = { string.format("%08x" .. bitwidth .. bitwidth, match.addr, match.oldval,
|
|
match.newval), modes[match.mode], 0 }
|
|
menu_lim(match.mode, 1, #modes, m)
|
|
local function f(event)
|
|
local r
|
|
match.mode, r = incdec(event, match.mode, 1, 3)
|
|
if event == "select" then
|
|
r = match_exec(match)
|
|
end
|
|
return r
|
|
end
|
|
return m, f
|
|
end
|
|
end
|
|
if matches[#matches].count > 100 then
|
|
menu[#menu + 1] = function()
|
|
local m = { _("Page"), matchpg, 0 }
|
|
local max
|
|
if matchsel == 0 then
|
|
max = math.ceil(matches[#matches].count / 100)
|
|
else
|
|
max = #matches[#matches][matchsel]
|
|
end
|
|
menu_lim(matchpg, 0, max, m)
|
|
local function f(event)
|
|
matchpg, r = incdec(event, matchpg, 0, max)
|
|
return r
|
|
end
|
|
return m, f
|
|
end
|
|
end
|
|
end
|
|
if #watches ~= 0 then
|
|
menu[#menu + 1] = function()
|
|
return { _("Clear Watches"), "", 0 }, function(event) if event == "select" then watches = {} return true end end
|
|
end
|
|
end
|
|
end
|
|
return menu_prepare()
|
|
end
|
|
|
|
local function menu_callback(index, event)
|
|
return menu_func[index](event)
|
|
end
|
|
emu.register_menu(menu_callback, menu_populate, _("Cheat Finder"))
|
|
emu.register_frame_done(function ()
|
|
local tag, screen = next(manager:machine().screens)
|
|
local height = mame_manager:ui():get_line_height()
|
|
for num, watch in ipairs(watches) do
|
|
screen:draw_text("left", num * height, string.format(watch.format, watch.addr, watch.func()))
|
|
end
|
|
end)
|
|
end
|
|
|
|
return exports
|