70 lines
1.7 KiB
Python
Executable File
70 lines
1.7 KiB
Python
Executable File
#/usr/bin/env python
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import fcntl
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import os
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import pty
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import sys
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import struct
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import termios
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# return dimensions (cols x rows)
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def load_dimensions():
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# default to 80x24
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dims = 80, 24
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if not os.path.exists('.theme'):
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return dims
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try:
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with open('.theme', 'rb') as f:
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data = f.read(8)
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if len(data) < 8:
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return dims
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vals = struct.unpack('HHHBB', data)
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x, y = int(vals[3]), int(vals[4])
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if x < 80 or y < 24 or x > 200 or y > 100:
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print('invalid width/height: %d/%d' % (x, y))
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sys.exit(1)
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dims = x, y
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except Exception(e):
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print('error in .theme file: %s' % e)
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sys.exit(1)
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return dims
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def main():
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# check usage
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args = sys.argv[1:]
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if len(args) < 1:
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print('usage: %s ROM')
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print('')
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print(' ROM: the rom file to launch')
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sys.exit(1)
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# either detect dimensions from theme or use 80x24
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cols, rows = load_dimensions()
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# path to rom to run
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rom = args[0]
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# fork with a new pty
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pid, fd = pty.fork()
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if pid == 0:
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# set TERM to something we can (mostly) handle
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env = dict(os.environ)
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env['TERM'] = 'ansi'
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os.execvpe('bash', ['bash'], env)
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else:
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# set the terminal size
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size = struct.pack("HHHH", rows, cols, 8, 12)
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fcntl.ioctl(fd, termios.TIOCSWINSZ, size)
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# use fd for the terminals stdin/stdout
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os.dup2(fd, sys.stdin.fileno())
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os.dup2(os.dup(fd), sys.stdout.fileno())
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os.execvp('uxnemu', ['uxnemu', rom] + args[1:])
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if __name__ == "__main__":
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main()
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