mirror of
https://github.com/fadden/6502bench.git
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255 lines
12 KiB
C#
255 lines
12 KiB
C#
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/*
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* Copyright 2019 faddenSoft
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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using System;
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using System.Collections.ObjectModel;
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using PluginCommon;
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namespace RuntimeData.Commodore {
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public class VisC64 : MarshalByRefObject, IPlugin, IPlugin_Visualizer {
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// IPlugin
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public string Identifier {
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get { return "C64 Graphic Visualizer"; }
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}
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private IApplication mAppRef;
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private byte[] mFileData;
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private AddressTranslate mAddrTrans;
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// Visualization identifiers; DO NOT change or projects that use them will break.
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private const string VIS_GEN_HI_RES_SPRITE = "c64-hi-res-sprite";
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private const string VIS_GEN_MULTI_COLOR_SPRITE = "c64-multi-color-sprite";
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private const string P_OFFSET = "offset";
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private const string P_DOUBLE_WIDE = "doubleWide";
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private const string P_DOUBLE_HIGH = "doubleHigh";
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private const string P_COLOR = "color"; // sprite color (hi-res or multi-color)
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private const string P_COLOR_01 = "color01"; // multi-color 1
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private const string P_COLOR_11 = "color11"; // multi-color 2
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private const int MAX_COLOR = 15;
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private const int BYTE_WIDTH = 3;
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private const int HEIGHT = 21;
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private const int SPRITE_SIZE = BYTE_WIDTH * HEIGHT; // 63
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// Visualization descriptors.
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private VisDescr[] mDescriptors = new VisDescr[] {
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new VisDescr(VIS_GEN_HI_RES_SPRITE, "C64 Hi-Res Sprite", VisDescr.VisType.Bitmap,
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new VisParamDescr[] {
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new VisParamDescr("File offset (hex)",
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P_OFFSET, typeof(int), 0, 0x00ffffff, VisParamDescr.SpecialMode.Offset, 0),
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new VisParamDescr("Sprite color",
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P_COLOR, typeof(int), 0, 15, 0, 0),
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new VisParamDescr("Double wide",
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P_DOUBLE_WIDE, typeof(bool), 0, 0, 0, false),
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new VisParamDescr("Double high",
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P_DOUBLE_HIGH, typeof(bool), 0, 0, 0, false),
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}),
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new VisDescr(VIS_GEN_MULTI_COLOR_SPRITE, "C64 Multi-Color Sprite", VisDescr.VisType.Bitmap,
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new VisParamDescr[] {
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new VisParamDescr("File offset (hex)",
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P_OFFSET, typeof(int), 0, 0x00ffffff, VisParamDescr.SpecialMode.Offset, 0),
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new VisParamDescr("Sprite color",
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P_COLOR, typeof(int), 0, 15, 0, 1),
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new VisParamDescr("Multi-color 1",
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P_COLOR_01, typeof(int), 0, 15, 0, 0),
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new VisParamDescr("Multi-color 2",
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P_COLOR_11, typeof(int), 0, 15, 0, 2),
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new VisParamDescr("Double wide",
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P_DOUBLE_WIDE, typeof(bool), 0, 0, 0, false),
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new VisParamDescr("Double high",
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P_DOUBLE_HIGH, typeof(bool), 0, 0, 0, false),
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}),
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};
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// IPlugin
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public void Prepare(IApplication appRef, byte[] fileData, AddressTranslate addrTrans) {
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mAppRef = appRef;
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mFileData = fileData;
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mAddrTrans = addrTrans;
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}
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// IPlugin
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public void Unprepare() {
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mAppRef = null;
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mFileData = null;
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mAddrTrans = null;
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}
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// IPlugin_Visualizer
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public VisDescr[] GetVisGenDescrs() {
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// We're using a static set, but it could be generated based on file contents.
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// Confirm that we're prepared.
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if (mFileData == null) {
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return null;
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}
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return mDescriptors;
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}
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// IPlugin_Visualizer
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public IVisualization2d Generate2d(VisDescr descr,
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ReadOnlyDictionary<string, object> parms) {
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switch (descr.Ident) {
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case VIS_GEN_HI_RES_SPRITE:
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return GenerateHiResSprite(parms);
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case VIS_GEN_MULTI_COLOR_SPRITE:
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return GenerateMultiColorSprite(parms);
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default:
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mAppRef.ReportError("Unknown ident " + descr.Ident);
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return null;
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}
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}
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private IVisualization2d GenerateHiResSprite(ReadOnlyDictionary<string, object> parms) {
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int offset = Util.GetFromObjDict(parms, P_OFFSET, 0);
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byte color = (byte)Util.GetFromObjDict(parms, P_COLOR, 0);
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bool isDoubleWide = Util.GetFromObjDict(parms, P_DOUBLE_WIDE, false);
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bool isDoubleHigh = Util.GetFromObjDict(parms, P_DOUBLE_HIGH, false);
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if (offset < 0 || offset >= mFileData.Length || color < 0 || color > MAX_COLOR) {
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// the UI should flag these based on range (and ideally wouldn't have called us)
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mAppRef.ReportError("Invalid parameter");
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return null;
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}
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int lastOffset = offset + SPRITE_SIZE - 1;
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if (lastOffset >= mFileData.Length) {
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mAppRef.ReportError("Sprite runs off end of file (last offset +" +
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lastOffset.ToString("x6") + ")");
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return null;
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}
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int xwide = isDoubleWide ? 2 : 1;
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int xhigh = isDoubleHigh ? 2 : 1;
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VisBitmap8 vb = new VisBitmap8(BYTE_WIDTH * 8 * xwide, HEIGHT * xhigh);
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SetPalette(vb);
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// Clear all pixels to transparent, then just draw the non-transparent ones.
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vb.SetAllPixelIndices(TRANSPARENT);
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for (int row = 0; row < HEIGHT; row++) {
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for (int col = 0; col < BYTE_WIDTH; col++) {
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byte val = mFileData[offset + row * BYTE_WIDTH + col];
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for (int bit = 0; bit < 8; bit++) {
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if ((val & 0x80) != 0) {
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int xc = (col * 8 + bit) * xwide;
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int yc = row * xhigh;
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vb.SetPixelIndex(xc, yc, color);
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if (isDoubleWide || isDoubleHigh) {
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// Draw doubled pixels. If we're only doubled in one dimension
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// this will draw pixels twice.
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vb.SetPixelIndex(xc + xwide - 1, yc, color);
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vb.SetPixelIndex(xc, yc + xhigh - 1, color);
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vb.SetPixelIndex(xc + xwide - 1, yc + xhigh - 1, color);
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}
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}
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val <<= 1;
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}
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}
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}
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return vb;
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}
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private IVisualization2d GenerateMultiColorSprite(ReadOnlyDictionary<string, object> parms) {
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int offset = Util.GetFromObjDict(parms, P_OFFSET, 0);
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byte color = (byte)Util.GetFromObjDict(parms, P_COLOR, 0);
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byte color01 = (byte)Util.GetFromObjDict(parms, P_COLOR_01, 0);
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byte color11 = (byte)Util.GetFromObjDict(parms, P_COLOR_11, 0);
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bool isDoubleWide = Util.GetFromObjDict(parms, P_DOUBLE_WIDE, false);
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bool isDoubleHigh = Util.GetFromObjDict(parms, P_DOUBLE_HIGH, false);
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if (offset < 0 || offset >= mFileData.Length ||
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color < 0 || color > MAX_COLOR ||
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color01 < 0 || color01 > MAX_COLOR ||
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color11 < 0 || color11 > MAX_COLOR) {
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// the UI should flag these based on range (and ideally wouldn't have called us)
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mAppRef.ReportError("Invalid parameter");
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return null;
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}
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int lastOffset = offset + SPRITE_SIZE - 1;
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if (lastOffset >= mFileData.Length) {
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mAppRef.ReportError("Sprite runs off end of file (last offset +" +
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lastOffset.ToString("x6") + ")");
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return null;
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}
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int xwide = isDoubleWide ? 2 : 1;
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int xhigh = isDoubleHigh ? 2 : 1;
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VisBitmap8 vb = new VisBitmap8(BYTE_WIDTH * 8 * xwide, HEIGHT * xhigh);
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SetPalette(vb);
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vb.SetAllPixelIndices(TRANSPARENT);
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for (int row = 0; row < HEIGHT; row++) {
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for (int col = 0; col < BYTE_WIDTH; col++) {
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byte val = mFileData[offset + row * BYTE_WIDTH + col];
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for (int bit = 0; bit < 8; bit += 2) {
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byte pixColor = 0;
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switch (val & 0xc0) {
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case 0x00: pixColor = TRANSPARENT; break;
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case 0x80: pixColor = color; break;
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case 0x40: pixColor = color01; break;
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case 0xc0: pixColor = color11; break;
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}
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int xc = (col * 8 + bit) * xwide;
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int yc = row * xhigh;
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vb.SetPixelIndex(xc, yc, pixColor);
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vb.SetPixelIndex(xc+1, yc, pixColor);
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if (isDoubleWide || isDoubleHigh) {
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// Draw doubled pixels. If we're only doubled in one dimension
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// this will draw pixels twice.
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vb.SetPixelIndex(xc + xwide*2 - 2, yc, pixColor);
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vb.SetPixelIndex(xc + xwide*2 - 1, yc, pixColor);
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vb.SetPixelIndex(xc, yc + xhigh - 1, pixColor);
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vb.SetPixelIndex(xc + 1, yc + xhigh - 1, pixColor);
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vb.SetPixelIndex(xc + xwide*2 - 2, yc + xhigh - 1, pixColor);
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vb.SetPixelIndex(xc + xwide*2 - 1, yc + xhigh - 1, pixColor);
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}
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val <<= 2;
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}
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}
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}
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return vb;
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}
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private const byte TRANSPARENT = 16;
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// C64 colors, from http://unusedino.de/ec64/technical/misc/vic656x/colors/
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// (the ones on https://www.c64-wiki.com/wiki/Color looked wrong)
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private void SetPalette(VisBitmap8 vb) {
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vb.AddColor(0xff, 0x00, 0x00, 0x00); // 0=black
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vb.AddColor(0xff, 0xff, 0xff, 0xff); // 1=white
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vb.AddColor(0xff, 0x68, 0x37, 0x2b); // 2=red
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vb.AddColor(0xff, 0x70, 0xa4, 0xb2); // 3=cyan
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vb.AddColor(0xff, 0x6f, 0x3d, 0x86); // 4=purple
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vb.AddColor(0xff, 0x58, 0x8d, 0x43); // 5=green
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vb.AddColor(0xff, 0x35, 0x28, 0x79); // 6=blue
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vb.AddColor(0xff, 0xb8, 0xc7, 0x6f); // 7=yellow
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vb.AddColor(0xff, 0x6f, 0x4f, 0x25); // 8=orange
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vb.AddColor(0xff, 0x43, 0x39, 0x00); // 9-brown
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vb.AddColor(0xff, 0x9a, 0x67, 0x59); // 10=light red
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vb.AddColor(0xff, 0x44, 0x44, 0x44); // 11=dark grey
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vb.AddColor(0xff, 0x6c, 0x6c, 0x6c); // 12=grey
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vb.AddColor(0xff, 0x9a, 0xd2, 0x84); // 13=light green
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vb.AddColor(0xff, 0x6c, 0x5e, 0xb5); // 14=light blue
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vb.AddColor(0xff, 0x95, 0x95, 0x95); // 15=light grey
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vb.AddColor(0, 0, 0, 0); // 16=transparent
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}
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}
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}
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