-- range search script --

RAM_START = 0x02000000
RAM_SIZE = 0x7E4000
result_table = {}
result_count = 0

-- values to check. usually an address range. --
range1 = 0x027E3300
range2 = 0x027E3300

local file = assert(io.open("output.txt", "w"))

-- 3 functions copied from interwebs
function table.val_to_str ( v )
  if "string" == type( v ) then
    v = string.gsub( v, "\n", "\\n" )
    if string.match( string.gsub(v,"[^'\"]",""), '^"+$' ) then
      return "'" .. v .. "'"
    end
    return '"' .. string.gsub(v,'"', '\\"' ) .. '"'
  else
    return "table" == type( v ) and table.tostring( v ) or
      tostring( v )
  end
end

function table.key_to_str ( k )
  if "string" == type( k ) and string.match( k, "^[_%a][_%a%d]*$" ) then
    return k
  else
    return "[" .. table.val_to_str( k ) .. "]"
  end
end

function table.tostring( tbl )
  local result, done = {}, {}
  for k, v in ipairs( tbl ) do
    table.insert( result, table.val_to_str( v ) )
    done[ k ] = true
  end
  for k, v in pairs( tbl ) do
    if not done[ k ] then
      table.insert( result,
        table.key_to_str( k ) .. "=" .. table.val_to_str( v ) )
    end
  end
  return "{" .. table.concat( result, "," ) .. "}"
end

if (range1 - 1) < range2 then
for N = 0, RAM_SIZE do
	local getvar = memory.readdword(RAM_START + N)
	if getvar + 1 > range1 then
		if getvar - 1 < range2 then
			result_count = result_count + 1
			result_table[result_count] = string.format('0x%08X', (RAM_START + N)) -- update table with the pointer to the value, not the value.
		end
	end
	N = N + 4
end
else
	print("You cannot have range 1 greater than range 2.")
end

file:write(table.tostring(result_table))

print("RAM search finished. Result written to output.txt.")

file:close()