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/**
 * @file main.ts
 * @brief Experimental Z80 Emulator - main.ts
 *
 * +---------------------------------------+
 * |   .-.         .-.         .-.         |
 * |  /   \       /   \       /   \        |
 * | /     \     /     \     /     \     / |
 * |        \   /       \   /       \   /  |
 * |         "_"         "_"         "_"   |
 * |                                       |
 * |  _   _   _ _  _   _   ___   ___ _  _  |
 * | | | | | | | \| | /_\ | _ \ / __| || | |
 * | | |_| |_| | .` |/ _ \|   /_\__ \ __ | |
 * | |____\___/|_|\_/_/ \_\_|_(_)___/_||_| |
 * |                                       |
 * |                                       |
 * | Lunar RF Labs                         |
 * | https://lunar.sh                      |
 * |                                       |
 * | RF Research Laboratories              |
 * | Copyright (C) 2022-2024               |
 * |                                       |
 * +---------------------------------------+
 *
 * Copyright (c) 2022 Lunar RF Labs
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 *     * Redistributions of source code must retain the above copyright notice,
 *       this list of conditions and the following disclaimer.
 *     * 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.
 *
 * 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 OWNER 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.
 */

import {fstat, readFile, readFileSync, existsSync, exists } from "fs";
import {Z80, Instruction} from "./z80"

function printUsage(){
    console.log("usage: node main.js [in]");
}

if(process.argv.length < 3){
    printUsage();
    process.exit();
}

if(!existsSync(process.argv[2])){
    console.log("?")
    process.exit();
}

let bytecode: Buffer = readFileSync(process.argv[2]);
let z80 : Z80 = new Z80(bytecode);
z80.rf.HL = 0xFE00;
z80.rf.BC = 0x00FF;

console.log("init");
z80.dump();
for(; z80.rf.PC < bytecode.length;){
    let dasm: Instruction = z80.decode(z80.rf.PC);
    console.log("");
    console.log(z80.format16(z80.rf.PC, 4) + "\t" + dasm.syntax);
    console.log("");
    z80.step();
    z80.dump();
}

console.log("");
console.log("Memory Dump");
console.log("");

for(let i = 0; i < z80.mem.length;i++){
    z80.print8(i.toString(16), z80.mem[i]);
}