local tArgs = {...}

print("ByteFawk Simulator")
local tLines = {}

if tArgs[1] then
	file = fs.open(tArgs[1], "r")
	if file then
		local line = file.readLine()
		while line do
			tLines[#tLines+1] = line
			line = file.readLine()
		end
	end
else
	print("Workspace:")

	while true do
		local line = read()
		if line ~= "~ end" then
			tLines[#tLines+1] = line
		else
			break
		end
	end
end

for i=1,#tLines do
	local tWords = {}
	for match in string.gmatch(tLines[i], "[^ \t]+") do
		table.insert( tWords, match )
	end

	local lineType = tWords[1]
	local variableType = tWords[2]
	local bitez = tWords[3]

	if lineType == "-" then
		if variableType == ">" then
			write( string.char( tonumber(bitez) ) )
		elseif variableType == "<" then
			write( string.char( bitez ) )
		end
	elseif lineType == "=" then
		print()
	end
end

--Example--
--[[

= < 558
- > 72
- >    101
- > 108
- > 108
- > 111
- > 32
- >   87
- > 111
- > 114
- > 108
- >  100
= > 491

--]]