68 lines
2.2 KiB
Swift
68 lines
2.2 KiB
Swift
//
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// AppleII.swift
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// FruitMachine
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//
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// Created by Christopher Rohl on 8/1/17.
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// Copyright © 2017 Christopher Rohl. All rights reserved.
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//
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import Cocoa
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class AppleII: NSObject, EmulatedSystem {
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static let sharedInstance = AppleII(cpuFrequency: (14.31818 / 7 / 2) * 1000000, fps: 60.0)
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var CPU_FREQUENCY: Double
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var FRAMES_PER_SECOND: Double
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var CYCLES_PER_BATCH: Int
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let emulatorViewDelegate = AppleII.ScreenDelegate()
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let emulatorView = AppleII.ScreenView(frame: NSMakeRect(0, 0, 640, 384))
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let emuScreenLayer = CALayer()
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required init(cpuFrequency: Double, fps: Double) {
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CPU_FREQUENCY = cpuFrequency
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FRAMES_PER_SECOND = fps
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CYCLES_PER_BATCH = Int(cpuFrequency / fps)
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super.init()
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loadROMs()
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/*
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emuScreenLayer.shouldRasterize = true
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emuScreenLayer.delegate = emulatorViewDelegate
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emuScreenLayer.frame = emulatorView.bounds
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emulatorView.wantsLayer = true
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emuScreenLayer.setNeedsDisplay()
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emulatorView.layer?.addSublayer(emuScreenLayer)
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installOverrides()
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CPU.sharedInstance.memoryInterface.loadBinary(path: "/Users/luigi/apple1/apple1.rom", offset: 0xFF00, length: 0x100)
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CPU.sharedInstance.memoryInterface.loadBinary(path: "/Users/luigi/apple1/basic.bin", offset: 0xE000, length: 0x1000)
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CPU.sharedInstance.performReset()
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*/
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}
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func loadROMs() {
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CPU.sharedInstance.memoryInterface.loadBinary(path: "/Users/luigi/apple2/341-0001-00.e0", offset: 0xE000, length: 0x800)
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CPU.sharedInstance.memoryInterface.loadBinary(path: "/Users/luigi/apple2/341-0002-00.e8", offset: 0xE800, length: 0x800)
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CPU.sharedInstance.memoryInterface.loadBinary(path: "/Users/luigi/apple2/341-0003-00.f0", offset: 0xF000, length: 0x800)
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CPU.sharedInstance.memoryInterface.loadBinary(path: "/Users/luigi/apple2/341-0004-00.f8", offset: 0xF800, length: 0x800)
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}
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func installOverrides() {
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//TODO
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}
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func runFrame() {
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CPU.sharedInstance.cycles = 0
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CPU.sharedInstance.cyclesInBatch = CYCLES_PER_BATCH
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CPU.sharedInstance.runCyclesBatch()
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//TODO
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}
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}
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