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plugins/cheat: link simple cheats

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This commit is contained in:
cracyc 2017-06-30 14:15:57 -05:00
parent e57ceef927
commit 38a74a3ae0
1 changed files with 31 additions and 10 deletions
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41
plugins/cheat/cheat_simple.lua
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@ -1,5 +1,5 @@
-- converter for simple cheats
-- simple cheats are single address every frame ram, rom or gg,ar cheats in one file called cheat.simple
-- simple cheats are single/linked address every frame ram, rom or gg,ar cheats in one file called cheat.simple
--
-- ram/rom cheat format: <set name>,<cputag|regiontag>,<hex offset>,<b|w|d|q - size>,<hex value>,<desc>
-- only program address space is supported, comments are prepended with ;
@ -22,10 +22,30 @@ function simple.filename(name)
end
local codefuncs = {}
local currcheat
local function prepare_rom_cheat(desc, region, addr, val, size, banksize, comp)
local cheat = { desc = desc, region = { rom = region } }
cheat.script = { off = "if on then rom:write_u" .. size .. "(addr, save) end" }
local cheat
if desc:sub(1,1) ~= "^" then
currcheat = { desc = desc, region = { rom = region } }
currcheat.script = { off = string.format([[
if on then
for k, v in pairs(addrs) do
rom:write_u%d(v.addr, v.save)
end
end]], size),
on = string.format([[
addrs = {
--flag
}
on = true
for k, v in pairs(addrs) do
v.save = rom:read_u%d(v.addr)
rom:write_u%d(v.addr, v.val)
end]], size, size) }
cheat = currcheat
end
if banksize and comp then
local rom = manager:machine():memory().regions[region]
local bankaddr = addr & (banksize - 1)
@ -43,17 +63,17 @@ local function prepare_rom_cheat(desc, region, addr, val, size, banksize, comp)
error("rom cheat compare value not found " .. desc)
end
end
cheat.script.on = string.format([[
on = true
addr = %d
save = rom:read_u%d(addr)
rom:write_u%d(addr, %d)]], addr, size, size, val)
currcheat.script.on = currcheat.script.on:gsub("%-%-flag", string.format("{addr = %d, val = %d},\n--flag", addr, val), 1)
return cheat
end
local function prepare_ram_cheat(desc, tag, addr, val, size)
local cheat = { desc = desc, space = { cpup = { tag = tag, type = "program" } } }
cheat.script = { run = "cpup:write_u" .. size .. "(" .. addr .. "," .. val .. ", true)" }
local cheat
if desc:sub(1,1) ~= "^" then
currcheat = { desc = desc, space = { cpup = { tag = tag, type = "program" } }, script = { run = "" } }
cheat = currcheat
end
currcheat.script.run = currcheat.script.run .. " cpup:write_u" .. size .. "(" .. addr .. "," .. val .. ", true)"
return cheat
end
@ -292,6 +312,7 @@ function simple.conv_cheat(data)
end
end
end
currcheat = nil
return cheats
end