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Automatically name the assembled binary ROM using the input filename

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Safiire 2015-02-17 19:22:19 -08:00
parent 69e3d2fb0c
commit debff220ec
1 changed files with 21 additions and 5 deletions
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26
assembler_6502.rb
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@ -60,7 +60,7 @@ module Assembler6502
####
## Run the assembler using commandline arguments
def run
options = {:in_file => nil, :out_file => 'a.nes'}
options = {:out_file => nil}
parser = OptionParser.new do |opts|
opts.banner = "Usage: #{$0} [options]"
@ -74,15 +74,31 @@ module Assembler6502
end
end
parser.parse!(ARGV)
options[:in_file] = ARGV.shift
unless ARGV.empty?
STDERR.puts "Ignoring extra commandline options #{ARGV.join(' ')}"
## For now let's just handle one file at a time.
if ARGV.size != 1
STDERR.puts "Can only assemble one input file at once :("
exit(1)
end
input_file = ARGV.shift
## Make sure the input file exists
unless File.exists?(input_file)
STDERR.puts "Input file #{input_file} does not exist"
exit(1)
end
## Maybe they didn't provide an output file name, so we'll guess
if options[:out_file].nil?
ext = File.extname(input_file)
options[:out_file] = input_file.gsub(ext, '') + '.nes'
end
if options.values.any?(&:nil?)
STDERR.puts "Missing options try --help"
exit(1)
end
Assembler6502::Assembler.from_file(options[:in_file], options[:out_file])
Assembler6502::Assembler.from_file(input_file, options[:out_file])
end
module_function :run