98 lines
5.7 KiB
Swift
98 lines
5.7 KiB
Swift
//
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// SoftswitchOverrides.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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extension AppleIIBase {
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class SoftswitchOverrides: NSObject {
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/* Keyboard port */
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static let readKeyboard = ReadOverride(start: 0xC000, end: 0xC000, readAnyway: false, action: SoftswitchOverrides.actionReadKeyboard)
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static func actionReadKeyboard(dummy: AnyObject, address: UInt16, byte: UInt8?) -> UInt8? {
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//let b = CPU.sharedInstance.memoryInterface.readByte(offset: 0xC000, bypassOverrides: true)
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//CPU.sharedInstance.memoryInterface.writeByte(offset: 0xC000, value: b)
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//return b
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return EmulatedSystemInstance!.keyboardController.KEYBOARD
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}
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static let clearKeypressStrobeR = ReadOverride(start: 0xC010, end: 0xC010, readAnyway: false, action: SoftswitchOverrides.actionClearKeypressStrobe)
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static let clearKeypressStrobeW = WriteOverride(start: 0xC010, end: 0xC010, writeAnyway: false, action: SoftswitchOverrides.actionClearKeypressStrobe)
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static func actionClearKeypressStrobe(dummy: AnyObject, address: UInt16, byte: UInt8?) -> UInt8? {
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//Clears b7 of $C000 on write.
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//let b = CPU.sharedInstance.memoryInterface.readByte(offset: 0xC000, bypassOverrides: true)
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//CPU.sharedInstance.memoryInterface.writeByte(offset: 0xC000, value: b & 0x7F, bypassOverrides: true)
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//CPU.sharedInstance.memoryInterface.writeByte(offset: 0xC010, value: b & 0x7F, bypassOverrides: true)
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//return b
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let b = EmulatedSystemInstance!.keyboardController.KEYBOARD
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EmulatedSystemInstance!.keyboardController.KEYBOARD = b & 0x7F
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EmulatedSystemInstance!.keyboardController.STROBE = b & 0x7F
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return b
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}
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/* Video settings */
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static let switchC050R = ReadOverride(start: 0xC050, end: 0xC050, readAnyway: false, action: SoftswitchOverrides.actionSwitchC050)
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static let switchC050W = WriteOverride(start: 0xC050, end: 0xC050, writeAnyway: false, action: SoftswitchOverrides.actionSwitchC050)
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static func actionSwitchC050(dummy: AnyObject, address: UInt16, byte: UInt8?) -> UInt8? {
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EmulatedSystemInstance!.videoSoftswitches.TEXT_MODE = false
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return 0x00
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}
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static let switchC051R = ReadOverride(start: 0xC051, end: 0xC051, readAnyway: false, action: SoftswitchOverrides.actionSwitchC051)
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static let switchC051W = WriteOverride(start: 0xC051, end: 0xC051, writeAnyway: false, action: SoftswitchOverrides.actionSwitchC051)
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static func actionSwitchC051(dummy: AnyObject, address: UInt16, byte: UInt8?) -> UInt8? {
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EmulatedSystemInstance!.videoSoftswitches.TEXT_MODE = true
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return 0x00
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}
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static let switchC052R = ReadOverride(start: 0xC052, end: 0xC052, readAnyway: false, action: SoftswitchOverrides.actionSwitchC052)
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static let switchC052W = WriteOverride(start: 0xC052, end: 0xC052, writeAnyway: false, action: SoftswitchOverrides.actionSwitchC052)
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static func actionSwitchC052(dummy: AnyObject, address: UInt16, byte: UInt8?) -> UInt8? {
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EmulatedSystemInstance!.videoSoftswitches.MIX_MODE = false
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return 0x00
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}
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static let switchC053R = ReadOverride(start: 0xC053, end: 0xC053, readAnyway: false, action: SoftswitchOverrides.actionSwitchC053)
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static let switchC053W = WriteOverride(start: 0xC053, end: 0xC053, writeAnyway: false, action: SoftswitchOverrides.actionSwitchC053)
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static func actionSwitchC053(dummy: AnyObject, address: UInt16, byte: UInt8?) -> UInt8? {
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EmulatedSystemInstance!.videoSoftswitches.MIX_MODE = true
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return 0x00
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}
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static let switchC054R = ReadOverride(start: 0xC054, end: 0xC054, readAnyway: false, action: SoftswitchOverrides.actionSwitchC054)
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static let switchC054W = WriteOverride(start: 0xC054, end: 0xC054, writeAnyway: false, action: SoftswitchOverrides.actionSwitchC054)
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static func actionSwitchC054(dummy: AnyObject, address: UInt16, byte: UInt8?) -> UInt8? {
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EmulatedSystemInstance!.videoSoftswitches.PAGE_2 = false
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return 0x00
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}
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static let switchC055R = ReadOverride(start: 0xC055, end: 0xC055, readAnyway: false, action: SoftswitchOverrides.actionSwitchC055)
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static let switchC055W = WriteOverride(start: 0xC055, end: 0xC055, writeAnyway: false, action: SoftswitchOverrides.actionSwitchC055)
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static func actionSwitchC055(dummy: AnyObject, address: UInt16, byte: UInt8?) -> UInt8? {
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EmulatedSystemInstance!.videoSoftswitches.PAGE_2 = true
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return 0x00
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}
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static let switchC056R = ReadOverride(start: 0xC056, end: 0xC056, readAnyway: false, action: SoftswitchOverrides.actionSwitchC056)
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static let switchC056W = WriteOverride(start: 0xC056, end: 0xC056, writeAnyway: false, action: SoftswitchOverrides.actionSwitchC056)
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static func actionSwitchC056(dummy: AnyObject, address: UInt16, byte: UInt8?) -> UInt8? {
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EmulatedSystemInstance!.videoSoftswitches.HIRES_MODE = false
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return 0x00
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}
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static let switchC057R = ReadOverride(start: 0xC057, end: 0xC057, readAnyway: false, action: SoftswitchOverrides.actionSwitchC057)
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static let switchC057W = WriteOverride(start: 0xC057, end: 0xC057, writeAnyway: false, action: SoftswitchOverrides.actionSwitchC057)
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static func actionSwitchC057(dummy: AnyObject, address: UInt16, byte: UInt8?) -> UInt8? {
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EmulatedSystemInstance!.videoSoftswitches.HIRES_MODE = true
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return 0x00
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}
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}
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}
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