FruitMachine-Swift/FruitMachine/M6502/MemoryInterface.swift

40 lines
928 B
Swift

//
// MemoryInterface.swift
// FruitMachine
//
// Created by Christopher Rohl on 7/20/17.
// Copyright © 2017 Christopher Rohl. All rights reserved.
//
import Cocoa
class MemoryInterface: NSObject {
fileprivate var memory: [UInt8]
override init() {
memory = [UInt8](repeating: 0x00, count: 65536)
}
func readByte(offset: UInt16) -> UInt8 {
return memory[Int(offset)]
}
func writeByte(offset: UInt16, value: UInt8) {
memory[Int(offset)] = value
}
func readWord(offset: UInt16) -> UInt16 {
return UInt16(memory[Int(offset)] | (memory[Int(offset+1)] << 8))
}
func loadBinary(path: String) {
do {
let fileContent: NSData = try NSData(contentsOfFile: path)
fileContent.getBytes(&memory, range: NSRange(location: 0, length: 65536))
} catch {
print(error)
}
}
}