nes-emu/cpu/instructions/misc.js

A NES emulator

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
var _constants = require("../constants");
const instructions = () => [
/**
 * Force Interrupt
 *
 * Forces the generation of an interrupt request.
 * The program counter and flags (with B2 set) are pushed on the stack, then the IRQ
 * interrupt vector at $FFFE/F is loaded into the PC.
 */
{
  id: "BRK",
  execute: _ref => {
    let {
      cpu
    } = _ref;
    cpu.pc.value++;
    cpu.interrupt(_constants.interrupts.BRK, true);
  }
},
/**
 * No Operation
 *
 * Causes no changes at all.
 */
{
  id: "NOP",
  execute: context => {}
}];
var _default = exports.default = instructions();