mre-mos6502/src/bin/main.rs

// Copyright (C) 2014 The 6502-rs Developers
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// 1. Redistributions of source code must retain the above copyright
//    notice, this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright
//    notice, this list of conditions and the following disclaimer in the
//    documentation and/or other materials provided with the distribution.
// 3. Neither the names of the copyright holders nor the names of any
//    contributors may be used to endorse or promote products derived from this
//    software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.

extern crate emu6502;

use emu6502::machine;
use emu6502::address::Address;

fn main() {
    let mut machine = machine::Machine::new();

    // "Load" a program
    machine.memory.set_byte(&Address(0), 0x69); // ADC immediate opcode
    machine.memory.set_byte(&Address(1), 0x07); // Immediate operand
    machine.memory.set_byte(&Address(2), 0x69); // ADC immediate opcode
    machine.memory.set_byte(&Address(3), 0x08); // ADC immediate opcode

    // Obviously this will run the full program, just
    // executing a finite num of instructions for simplicity
    // right now.
    for _ in range(0u, 2u) {
        let raw_instruction = machine.fetch_instruction();
        let instruction = machine.decode_instruction(raw_instruction);
        machine.execute_instruction(instruction);
    }
    
    println!("{}", machine);

}