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595 lines
19 KiB
Swift
595 lines
19 KiB
Swift
//
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// PreferencesViewController.swift
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// Steve ][
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//
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// Created by Tamas Rudnai on 6/4/20.
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// Copyright © 2019, 2020 Tamas Rudnai. All rights reserved.
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//
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// This file is part of Steve ][ -- The Apple ][ Emulator.
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//
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// Steve ][ is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Steve ][ is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Steve ][. If not, see <https://www.gnu.org/licenses/>.
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//
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import Cocoa
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class DebuggerViewController: NSViewController {
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static var shared : DebuggerViewController? = nil
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@IBOutlet var CPU_Display: DisplayView!
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@IBOutlet var Stack_Display: DisplayView!
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@IBOutlet var Mem1_Display: DisplayView!
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@IBOutlet var Disass_Scroll: DisplayScrollView!
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@IBOutlet var Disass_Display: DisplayView!
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@IBOutlet weak var MemoryAddressField: NSTextField!
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@IBOutlet weak var DisassAddressField: NSTextField!
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@IBOutlet weak var DisassAddressPC: NSButton!
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required init?(coder: NSCoder) {
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super.init(coder: coder)
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DebuggerViewController.shared = self
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}
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override func viewDidLoad() {
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super.viewDidLoad()
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self.preferredContentSize = NSMakeSize(self.view.frame.size.width, self.view.frame.size.height)
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}
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override func viewDidAppear() {
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super.viewDidAppear()
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// // Update window title with the active TableView Title
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// self.parent?.view.window?.title = self.title!
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UpdateImmediately()
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if let debugger = DebuggerWindowController.shared {
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debugger.PauseButtonUpdate(needUpdateMainToolbar: false)
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}
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MemoryAddressField.formatter = HexDigitFormatter(maxLen: 4)
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DisassAddressField.formatter = HexDigitFormatter(maxLen: 4)
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}
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override func scrollWheel(with event: NSEvent) {
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super.scrollWheel(with: event)
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let location = event.locationInWindow
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print("scrollWheel")
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if location.x > Disass_Scroll.frame.minX
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&& location.x < Disass_Scroll.frame.maxX
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&& location.y < Disass_Scroll.frame.minY
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&& location.y < Disass_Scroll.frame.maxY
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{
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print("Disass_Scroll")
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var scrollTo = Disass_Display.visibleRect.origin
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let lineSpacing = CGFloat(1.5)
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let lineHeight = Disass_Display.font!.pointSize * lineSpacing
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// print("lineHeight:", lineHeight, "fontSize:", Stack_Display.font?.pointSize)
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let y1 = round( (scrollTo.y + round(event.scrollingDeltaY) * lineHeight) / lineHeight) * lineHeight
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// let y2 = round( scrollTo.y / lineHeight + event.scrollingDeltaY ) * lineHeight
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scrollTo.y = y1
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Disass_Display.scroll(scrollTo)
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}
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// if view.window?.firstResponder?.textView?.delegate === Stack_Display {
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// print("scroll deltaY", event.deltaY, event.scrollingDeltaY)
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// Stack_Display.scroll(Stack_Display.enclosingScrollView!.visibleRect, by: NSSize(width: 0, height: event.scrollingDeltaY) )
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// }
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}
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func bin(n : UInt8, sp : String = "", mid : String = " ") -> String {
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var str = ""
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var n = n
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for i in 1...8 {
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if n & 0x80 == 0 {
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str += "0"
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}
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else {
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str += "1"
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}
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str += sp
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if i == 4 {
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str += mid
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}
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n <<= 1
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}
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return str
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}
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func DisplayRegisters() {
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let registers = String(format:"""
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A: %02X %3u %@
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X: %02X %3u %@
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Y: %02X %3u %@
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SP: %02X
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PC: %04X
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N V - B D I Z C
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%d %d %d %d %d %d %d %d
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""",
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m6502.A, m6502.A, bin(n: m6502.A),
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m6502.X, m6502.X, bin(n: m6502.X),
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m6502.Y, m6502.Y, bin(n: m6502.Y),
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m6502.SP,
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m6502.PC,
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m6502.N != 0, m6502.V != 0, m6502.res != 0, m6502.B != 0, m6502.D != 0, m6502.I != 0, m6502.Z != 0, m6502.C != 0
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)
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DispatchQueue.main.async {
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self.CPU_Display.string = registers
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}
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}
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func DisplayStack() {
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var stack = ""
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for i : UInt16 in (0x100...0x1FF).reversed() {
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stack += String(format:"%03X: %02X\n", i, getMEM(i))
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}
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DispatchQueue.main.async {
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self.Stack_Display.string = stack
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}
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}
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func hexLine16(addr : UInt16) -> String {
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var line = String(format: "%04X: ", addr)
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for i : UInt16 in 0...15 {
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line += String(format: "%02X ", getMEM(addr + i))
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}
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return line
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}
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let txtClear = [Character](repeating: " ", count: 16)
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func textLine16(addr : UInt16) -> String {
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var unicodeTextArray = NSArray(array: txtClear, copyItems: true) as! [Character]
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// render the rest of the text screen
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for i in 0 ... 15 {
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let byte = getMEM(addr + UInt16(i))
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let idx = Int(byte);
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let chr = ViewController.charConvTbl[idx]
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unicodeTextArray[i] = chr
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}
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return String(unicodeTextArray)
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}
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var mem_1_addr : UInt16 = 0x400
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func DisplayMemory() {
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var memory = ""
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for i : UInt16 in stride(from: mem_1_addr, to: mem_1_addr + 0xFF, by: 16) {
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memory += hexLine16(addr: i) + " " + textLine16(addr: i) + "\n"
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}
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DispatchQueue.main.async {
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self.Mem1_Display.string = memory
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}
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}
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func ASCII_to_Apple2(line : String) -> String {
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var converted = ""
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for chr in line {
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// make C character NORMAL Apple ][ character
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let c = Int(chr.asciiValue!) & 0x3F | 0x80
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// breakpoint marker
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if c == 0xAA { // '*'
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// converted.append("\u{E895}") // big dot (8x8)
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// converted.append("\u{ED3C}") // big dot2 (8x8)
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converted.append("\u{E095}") // right arrow
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// converted.append("\u{E09B}") // diamond
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// converted.append("\u{E080}") // closed apple
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// converted.append("\u{E081}") // open apple
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// converted.append("\u{E185}") // checkmark
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}
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// normal character
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else {
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converted.append(ViewController.charConvTbl[c])
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}
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}
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return converted
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}
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func invertLine(line : String) -> String {
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var converted = ""
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for chr in line {
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let c = Int(chr.asciiValue!) & 0x3F
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converted.append(ViewController.charConvTbl[c])
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}
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return converted
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}
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let disass_addr_min : UInt16 = 320
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let disass_addr_max : UInt16 = 512
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var disass_addr : UInt16 = 0 /// Address disassembled in the window
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var disass_addr_pc : UInt16 = 0 /// Address to disassemble
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let disass_addr_pre : UInt16 = 20
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let disass_addr_min_pre : UInt16 = 320 - 20
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var line_number = 0
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var scroll_line_number = 0
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var highlighted_line_number = 0
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var line_number_cursor = 0
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let lines_to_disass = 300
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func get_scroll_line(view: NSTextView) -> Int {
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let scrollPos = view.visibleRect.origin.y
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let lineSpacing = CGFloat(1.5)
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let lineHeight = view.font!.pointSize * lineSpacing
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return Int(scrollPos / lineHeight)
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}
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func scroll_to_old(view: DisplayView, line: Int) {
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var scrollTo = view.visibleRect.origin
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let lineSpacing = CGFloat(1.5)
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let lineHeight = view.font!.pointSize * lineSpacing
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scrollTo.y = CGFloat(line) * lineHeight
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view.scroll(scrollTo)
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}
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func getLine(inView view: NSTextView, forY: CGFloat) -> Int {
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// var scrollTo = view.visibleRect.origin
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let lineSpacing = CGFloat(1.5)
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let lineHeight = view.font!.pointSize * lineSpacing
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let line = round(forY) / lineHeight
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return Int(line) + 1
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}
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func getLineRange(inView view: NSTextView, forLine: Int) -> NSRange? {
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let layoutManager = view.layoutManager!
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var numberOfLines = 1
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let numberOfGlyphs = layoutManager.numberOfGlyphs
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var lineRange = NSRange()
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var indexOfGlyph = 0
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while indexOfGlyph < numberOfGlyphs {
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layoutManager.lineFragmentRect(forGlyphAt: indexOfGlyph, effectiveRange: &lineRange, withoutAdditionalLayout: false)
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// check if we've found our line number
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if numberOfLines == forLine {
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return lineRange
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}
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indexOfGlyph = NSMaxRange(lineRange)
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numberOfLines += 1
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}
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// could not find line number
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return nil
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}
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let lineFromTopToMiddle = 15
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func scroll_to(view: NSTextView, line: Int) {
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if let lineRange = getLineRange(inView: view, forLine: line + lineFromTopToMiddle) {
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view.scrollRangeToVisible(lineRange)
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}
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}
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let lineAttrAtSelected = [
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NSAttributedString.Key.backgroundColor: NSColor.lightGray,
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NSAttributedString.Key.foregroundColor: NSColor.black,
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]
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let lineAttrAtPC = [
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NSAttributedString.Key.backgroundColor: NSColor.blue,
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NSAttributedString.Key.foregroundColor: NSColor.cyan,
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]
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func remove_highlight(view: NSTextView, line: Int) {
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if line > 0 {
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if let lineRange = getLineRange(inView: view, forLine: line) {
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view.layoutManager?.removeTemporaryAttribute(NSAttributedString.Key.backgroundColor, forCharacterRange: lineRange)
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view.layoutManager?.removeTemporaryAttribute(NSAttributedString.Key.foregroundColor, forCharacterRange: lineRange)
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}
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}
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}
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func highlight(view: NSTextView, line: Int, attr: [NSAttributedString.Key : Any]) {
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if line > 0 {
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// remove old highlighted line
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remove_highlight(view: view, line: line)
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if let lineRange = getLineRange(inView: view, forLine: line) {
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// view.selectedRange = lineRange
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// view.scrollRangeToVisible(lineRange)
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// remove_highlight(view: view, line: line_number_cursor)
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// line_number_cursor = 0
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view.layoutManager?.addTemporaryAttributes(attr, forCharacterRange: lineRange)
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}
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}
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}
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func isMouseInView(view: NSView) -> Bool {
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if let window = view.window {
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return view.isMousePoint(window.mouseLocationOutsideOfEventStream, in: view.frame)
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}
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return false
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}
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let textViewMouseYOffset = CGFloat(-4.0)
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func convertMouseCoordinates(scrollView : NSView, display : NSTextView, mouseLocation : NSPoint) -> NSPoint {
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var location = mouseLocation
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let parent_frame = scrollView.superview?.frame
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// let minX = parent_frame!.minX + scrollView.frame.minX
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let minY = parent_frame!.minY + scrollView.frame.minY
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// let maxX = minX + scrollView.frame.width
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let maxY = minY + scrollView.frame.height
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// location.x = maxX - location.x
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location.y = maxY - location.y + display.visibleRect.origin.y + textViewMouseYOffset
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return location
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}
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/// Highlight the entire line at the mouse location
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/// - Parameters:
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/// - scrollView: ScrollView of the scrollable TextView
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/// - display: The TextView itself
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/// - mouseLocation: Mouse location locally inside the ScrollView
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func highlightCursor(scrollView : NSScrollView, mouseLocation : NSPoint) {
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let display = scrollView.documentView as! NSTextView
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let location = mouseLocation
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let parent_frame = scrollView.superview?.frame
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// covering rectangle of the entire document
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let minX = parent_frame!.minX + scrollView.frame.minX
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let minY = parent_frame!.minY + scrollView.frame.minY
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let maxX = minX + display.visibleRect.origin.x + scrollView.frame.width
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let maxY = minY + display.visibleRect.origin.y + scrollView.frame.height
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if location.x > minX && location.x < maxX
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&& location.y > minY && location.y < maxY
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{
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let line = getLine(inView: display, forY: location.y)
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highlight(view: display, line: highlighted_line_number, attr: lineAttrAtPC)
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remove_highlight(view: display, line: line_number_cursor)
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highlight(view: display, line: line, attr: lineAttrAtSelected)
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line_number_cursor = line
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}
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}
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// select disassembly line
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override func mouseDown(with event: NSEvent) {
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let location = convertMouseCoordinates(scrollView: Disass_Scroll, display: Disass_Display, mouseLocation: event.locationInWindow)
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if location.x < 30 {
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let line = getLine(inView: Disass_Display, forY: location.y)
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let addr = getAddr(forLine: line)
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if m6502_dbg_bp_is_exists(addr) {
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m6502_dbg_bp_del(addr)
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}
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else {
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m6502_dbg_bp_add(addr)
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}
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// force regenerate disassembly
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disass_addr = 0xFFFF
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DisplayDisassembly(scrollY: Disass_Display.visibleRect.origin.y)
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}
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else {
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highlightCursor(scrollView: Disass_Scroll, mouseLocation: location)
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}
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}
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// context menu
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override func rightMouseDown(with event: NSEvent) {
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let location = event.locationInWindow
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highlightCursor(scrollView: Disass_Scroll, mouseLocation: location)
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}
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var addr_line = [UInt16 : Int]()
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func getLine(forAddr: UInt16) -> Int {
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return addr_line[forAddr] ?? 0
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}
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func getAddr(forLine: Int) -> UInt16 {
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return addr_line.first(where: { $1 == forLine })?.key ?? 0
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}
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func DisplayDisassembly( scrollY : CGFloat = -1 ) {
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var disass = ""
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line_number = 0
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let highlighted = self.highlighted_line_number
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DispatchQueue.main.async {
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self.remove_highlight(view: self.Disass_Display, line: highlighted)
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}
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// TODO: Also check if memory area updated!
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// DispatchQueue.main.sync {
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let addrpc = DisassAddressPC == nil || DisassAddressPC.state == .on
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if addrpc {
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disass_addr_pc = m6502.PC
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}
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// }
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var need_disass = disass_addr_pc <= disass_addr || UInt(disass_addr_pc) > UInt(disass_addr) + UInt(disass_addr_max)
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scroll_line_number = getLine(forAddr: disass_addr_pc)
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highlighted_line_number = getLine(forAddr: m6502.PC)
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// if disass_addr_pc > disass_addr && disass_addr_pc < disass_addr + disass_addr_max {
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if scroll_line_number == 0 || need_disass {
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ViewController.shared?.UpdateSemaphore.wait()
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let m6502_saved = m6502
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if !addrpc {
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m6502.PC = disass_addr_pc
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}
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need_disass = true
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addr_line.removeAll()
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disass_addr = m6502.PC
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if m6502.PC >= disass_addr_min_pre {
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m6502.PC -= disass_addr_min_pre
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}
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// try to sync disassembly code
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let addr_min = disass_addr >= disass_addr_min ? disass_addr - disass_addr_min : disass_addr
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while m6502.PC < addr_min {
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m6502_Disass_1_Instr()
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}
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// hopefully instruction address is in sync
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disass_addr = m6502.PC
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// normal disassembly
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for _ in 1...lines_to_disass {
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// check if this is the current line before disassembling it (that will change PC...)
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line_number += 1
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addr_line.updateValue(line_number, forKey: m6502.PC)
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let isCurrentLine = m6502.PC == m6502_saved.PC
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m6502_Disass_1_Instr()
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let line = ASCII_to_Apple2( line: String(cString: disassemblyLine( isCurrentLine )!) )
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if isCurrentLine {
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// line = invertLine(line: line)
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highlighted_line_number = line_number
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}
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if m6502.PC == disass_addr_pc {
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scroll_line_number = line_number
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}
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disass += line + "\n"
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}
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m6502 = m6502_saved
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ViewController.shared?.UpdateSemaphore.signal()
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}
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DispatchQueue.main.async {
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// let isEmpty = self.Disass_Display.string.isEmpty
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if need_disass {
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self.Disass_Display.string = disass
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|
}
|
|
|
|
let currentScrollLine = self.get_scroll_line(view: self.Disass_Display) + 1
|
|
if self.highlighted_line_number <= currentScrollLine || self.highlighted_line_number > currentScrollLine + 35 {
|
|
|
|
if scrollY < 0 {
|
|
self.scroll_to(view: self.Disass_Display, line: self.scroll_line_number - 5)
|
|
|
|
// at the beginning it takes a while to fill up the buffer -- maybe allocation issue?
|
|
// if currentScrollLine == 1 {
|
|
// // so we need to scroll a bit later when the string is already populated
|
|
// // DispatchQueue.main.asyncAfter(deadline: .now() + 0.5) {
|
|
// self.scroll_to(view: self.Disass_Display, line: self.line_number_at_PC - 5)
|
|
// // }
|
|
// }
|
|
}
|
|
else {
|
|
// caller wants a specific scroll location...
|
|
self.Disass_Display.scroll(NSPoint(x: 0, y: scrollY))
|
|
}
|
|
}
|
|
self.highlight(view: self.Disass_Display, line: self.highlighted_line_number, attr: self.lineAttrAtPC)
|
|
}
|
|
// DispatchQueue.main.asyncAfter(deadline: .now() + 0.5) {
|
|
// your code here
|
|
// }
|
|
}
|
|
|
|
|
|
func UpdateImmediately() {
|
|
DisplayRegisters()
|
|
DisplayStack()
|
|
DisplayMemory()
|
|
DisplayDisassembly()
|
|
}
|
|
|
|
|
|
let UpdateSemaphore = DispatchSemaphore(value: 1)
|
|
func Update() {
|
|
DispatchQueue.global().async {
|
|
if self.UpdateSemaphore.wait(timeout: .now()) == .success {
|
|
self.UpdateImmediately()
|
|
self.UpdateSemaphore.signal()
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
@IBAction func MemoryAddressEntered(_ sender: NSTextFieldCell) {
|
|
NSLog("MemoryAddressEntered %@", sender.stringValue)
|
|
mem_1_addr = UInt16(sender.stringValue.hexValue())
|
|
DisplayMemory()
|
|
}
|
|
|
|
@IBAction func DisassAddressEntered(_ sender: NSTextFieldCell) {
|
|
NSLog("DisassAddressEntered %@", sender.stringValue)
|
|
// sender.stringValue = "4321" // MemoryAddressField.stringValue
|
|
DisassAddressPC.state = .off
|
|
disass_addr_pc = UInt16(sender.stringValue.hexValue())
|
|
DisplayDisassembly()
|
|
}
|
|
|
|
}
|