mirror of
https://github.com/JetSetIlly/Gopher2600.git
synced 2024-06-02 20:18:20 -04:00
58315e5182
also allows easy access to the VCS snapshot process when there is no need to use the rewind package
191 lines
5.3 KiB
Go
191 lines
5.3 KiB
Go
// This file is part of Gopher2600.
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//
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// Gopher2600 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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// Gopher2600 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 Gopher2600. If not, see <https://www.gnu.org/licenses/>.
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package sdlimgui
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import (
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"fmt"
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"github.com/inkyblackness/imgui-go/v4"
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"github.com/jetsetilly/gopher2600/gui/fonts"
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"github.com/jetsetilly/gopher2600/hardware/memory/cartridge/mapper"
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"github.com/jetsetilly/gopher2600/hardware/memory/memorymap"
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)
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const winCartRAMID = "Cartridge RAM"
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type winCartRAM struct {
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debuggerWin
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img *SdlImgui
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// height of status line at bottom of frame. valid after first frame of a
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// tab (although it should be same for each tab)
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statusHeight float32
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// required dimensions of mapped/unmapped indicator
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mappedIndicatorDim imgui.Vec2
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}
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func newWinCartRAM(img *SdlImgui) (window, error) {
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win := &winCartRAM{img: img}
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return win, nil
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}
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func (win *winCartRAM) init() {
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win.mappedIndicatorDim = imguiGetFrameDim(" mapped ", " unmapped ")
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}
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func (win *winCartRAM) id() string {
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return winCartRAMID
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}
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func (win *winCartRAM) debuggerDraw() bool {
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if !win.debuggerOpen {
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return false
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}
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// do not open window if there is no valid cartridge debug bus available
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bus := win.img.cache.VCS.Mem.Cart.GetRAMbus()
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if bus == nil {
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return false
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}
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ram := bus.GetRAM()
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imgui.SetNextWindowPosV(imgui.Vec2{533, 430}, imgui.ConditionFirstUseEver, imgui.Vec2{0, 0})
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imgui.SetNextWindowSizeV(imgui.Vec2{478, 271}, imgui.ConditionFirstUseEver)
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win.img.setReasonableWindowConstraints()
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title := fmt.Sprintf("%s %s", win.img.cache.VCS.Mem.Cart.ID(), win.id())
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if imgui.BeginV(win.debuggerID(title), &win.debuggerOpen, imgui.WindowFlagsNone) {
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win.draw(ram)
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}
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win.debuggerGeom.update()
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imgui.End()
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return true
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}
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func (win *winCartRAM) draw(ram []mapper.CartRAM) {
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// get comparison data. assuming that there is such a thing and that it's
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// safe to get StaticData from.
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comp := win.img.cache.Rewind.Comparison.State.VCS.Mem.Cart.GetRAMbus().GetRAM()
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imgui.BeginTabBarV("", imgui.TabBarFlagsFittingPolicyScroll)
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for bank := range ram {
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current := ram[bank]
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diff := comp[bank]
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if imgui.BeginTabItem(current.Label) {
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imgui.BeginChildV("cartram", imgui.Vec2{X: 0, Y: imguiRemainingWinHeight() - win.statusHeight}, false, 0)
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// show cartridge origin for mapped RAM banks
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origin := current.Origin
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if win.img.dbg.Disasm.Prefs.FxxxMirror.Get().(bool) {
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origin = (origin & memorymap.CartridgeBits) | memorymap.OriginCartFxxxMirror
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}
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// pos is retreived in before() and used in after()
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var pos imgui.Vec2
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// number of colors to pop in afer()
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popColor := 0
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before := func(idx int) {
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pos = imgui.CursorScreenPos()
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a := diff.Data[idx]
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b := current.Data[idx]
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if a != b {
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imgui.PushStyleColor(imgui.StyleColorFrameBg, win.img.cols.ValueDiff)
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popColor++
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}
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}
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after := func(idx int) {
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imgui.PopStyleColorV(popColor)
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popColor = 0
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dl := imgui.WindowDrawList()
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// idx is based on original values of type uint16 so the type conversion is safe
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addr := memorymap.OriginCart + uint16(idx)
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read, okr := win.img.dbg.Disasm.Sym.GetSymbol(addr, true)
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write, okw := win.img.dbg.Disasm.Sym.GetSymbol(addr, false)
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if okr || okw {
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sz := imgui.FontSize() * 0.4
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pos.X += 1.0
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pos.Y += 1.0
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p1 := pos
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p1.Y += sz
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p2 := pos
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p2.X += sz
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dl.AddTriangleFilled(pos, p1, p2, imgui.PackedColorFromVec4(win.img.cols.ValueSymbol))
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}
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if okr && okw && read.Symbol == write.Symbol {
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win.img.imguiTooltip(func() {
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imguiColorLabelSimple(read.Symbol, win.img.cols.ValueSymbol)
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}, true)
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} else {
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if okr {
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win.img.imguiTooltip(func() {
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imguiColorLabelSimple(read.Symbol, win.img.cols.ValueSymbol)
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}, true)
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}
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if okw {
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win.img.imguiTooltip(func() {
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imguiColorLabelSimple(write.Symbol, win.img.cols.ValueSymbol)
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}, true)
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}
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}
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a := diff.Data[idx]
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b := current.Data[idx]
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if a != b {
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win.img.imguiTooltip(func() {
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imguiColorLabelSimple(fmt.Sprintf("%02x %c %02x", a, fonts.ByteChange, b), win.img.cols.ValueDiff)
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}, true)
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}
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}
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commitBank := bank
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commit := func(idx int, data uint8) {
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win.img.dbg.PushFunction(func() {
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win.img.dbg.VCS().Mem.Cart.GetRAMbus().PutRAM(commitBank, idx, data)
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})
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}
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drawByteGrid("cartRamByteGrid", current.Data, uint32(origin), before, after, commit)
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imgui.EndChild()
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// status line
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win.statusHeight = imguiMeasureHeight(func() {
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imgui.PushStyleVarFloat(imgui.StyleVarFrameRounding, readOnlyButtonRounding)
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if current.Mapped {
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imguiColourButton(win.img.cols.True, " mapped ", win.mappedIndicatorDim)
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} else {
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imguiColourButton(win.img.cols.False, " unmapped ", win.mappedIndicatorDim)
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}
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imgui.PopStyleVar()
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})
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imgui.EndTabItem()
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}
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}
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imgui.EndTabBar()
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}
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