const mos6502 = require("./src/chip/MOS6502");
const Bank = require("./src/common/bank.js");

function toHex(v){
  let r = v.toString(16);
  return (r.length < 2) ? "0" + r : r;
}

function printBytes(b, acc){
  var out = "";
  for (let i=0; i < b.length; i++){
    if (i % acc === 0 && out !== ""){
      console.log(out);
      out = ""
    } else {
      out += toHex(b[i]) + " ";
    }
  }
  console.log(out);
}

var asm = new mos6502.Assembler();
var cpu = new mos6502.CPU();
cpu.memory = new Bank(65536);
cpu.memory.clear();
var tick = cpu.clk();

var src = "SEC\n";
src += "CLV\n";
src += "CLD\n";
src += "CLI\n";
src += "LDA #$00\n";
src += "SBC #$01\n";
src += "CLC\n";
src += "ADC #$01";


var res = asm.compile(src).result();
printBytes(res, 16);

cpu.memory.load(0, res);
var page = [];
for (let i = 0; i < 256; i++){
  cpu.memory.address = i;
  page.push(cpu.memory.byte);
}
printBytes(page, 16);
cpu.reset();

//console.log(cpu.PC);
//return;
tick(); tick();
tick(); tick();
tick(); tick();
tick(); tick();
tick(); tick();
console.log("A: " + cpu.A);
tick(); tick();
console.log("A: " + cpu.A);
tick(); tick();
tick(); tick();
console.log("A: " + cpu.A);