Subversion Repositories s80186

#!/usr/bin/env python

# Copyright Jamie Iles, 2017

#

# This file is part of s80x86.

#

# s80x86 is free software: you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation, either version 3 of the License, or

# (at your option) any later version.

#

# s80x86 is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with s80x86.  If not, see .

import argparse

import sys

from py8086sim.Cpu import GPR

def load(cpu, program, cs, ip):

    cpu.reset()

    cpu.write_reg(GPR.CS, cs)

    with open(program) as b:

        bytevec = [ord(v) for v in b.read()]

        if len(bytevec) % 2 == 1:

            bytevec.append(0)

        wordvec = []

        for a, b in zip(bytevec[::2], bytevec[1::2]):

            wordvec.append(a | (b << 8))

        cpu.write_vector16(cs, ip, wordvec)

    cpu.write_reg(GPR.IP, ip)

if __name__ == '__main__':

    parser = argparse.ArgumentParser()

    parser.add_argument('backend')

    parser.add_argument('program')

    parser.add_argument('cs')

    parser.add_argument('ip')

    args = parser.parse_args()

    cpu = getattr(sys.modules['py8086sim.Cpu'], args.backend)(args.program)

    load(cpu, args.program, int(args.cs, 0), int(args.ip, 0))