rom4x/rom5x/Rakefile
2017-03-18 20:00:43 -07:00

65 lines
1.5 KiB
Ruby

source_rom = "iic+_rom5.bin"
dest_rom = "iic+_rom5x.bin"
rom_base = 0xc000
source_files = Rake::FileList.new('*.s')
desc "Default: clean and build it"
task :default => [:clean, :assemble, :build_rom] do
sh "ls -l #{dest_rom}"
end
desc "Clean object files"
task :clean do
sh "rm -f #{dest_rom}"
sh "rm -f sf512_#{dest_rom}"
sh "rm -f *.o"
sh "rm -f *.lst"
sh "rm -f *.b"
end
desc "Assemble all source files"
task :assemble => source_files.ext('.b')
rule ".o" => ".s" do |t|
sh "ca65 -l #{t.name}.lst #{t.source}"
end
rule ".b" => ".o" do |t|
sh "ld65 -t none -o #{t.name} #{t.source}"
end
desc "Build ROM"
task :build_rom => [:assemble] do
puts "Building ROM image..."
obj_files = Rake::FileList.new('*.b')
rom = File.read(source_rom)
obj_files.each do |t|
if t =~ /B(\h)_(\h{4})/
bnum = $1.to_i(16)
badd = $2.to_i(16)
addr = bnum * 16384 + badd - rom_base
fc = File.read(t)
fl = fc.bytes.count
puts "Loading #{t} into bank #{bnum} @ $#{badd.to_s(16)}, file addr $#{addr.to_s(16)}, len $#{fl.to_s(16)} (#{fl})"
nzc = 0
fc.each_byte do |b|
nzc += 1 if rom.getbyte(addr) != 0 && rom.getbyte(addr) != b
rom.setbyte(addr, b)
addr += 1
end
puts "\tNote: patched over #{nzc} nonzero bytes!" if nzc > 0
else
puts "I dont know where to load #{t}"
end
end
File.write(dest_rom, rom)
puts "ROM image done: #{dest_rom}"
end
desc "Build SST27SF512 Image"
task :sf512 => [:build_rom] do
sh "cat #{dest_rom} #{dest_rom} > sf512_#{dest_rom}"
end