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rlm@43
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1 package com.aurellem.gb;
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2
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3 import java.nio.ByteBuffer;
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4 import java.nio.IntBuffer;
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5 import java.nio.ByteOrder;
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6
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7 public class Gb {
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8
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9
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10 public Gb(){}
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11
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12
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13 /**
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14 * Hello World! This is just to test the native interface.
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15 */
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16 public static native void sayHello();
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17
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18 /**
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19 * Run the emulator on a given rom
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20 * @param rom - the name of the rom.
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21 */
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22 public static native void startEmulator(String rom);
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23
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24
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25 public static void loadVBA(){
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26 System.loadLibrary("vba");
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27 }
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28
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29 public static native void step();
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30
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31 public static native void step(int keymask);
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32
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33 public static native void shutdown();
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34
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35 public static native void saveState(ByteBuffer buffer, int size);
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36
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37 public static native void loadState(ByteBuffer buffer, int size);
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38
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39 public static final int SAVE_SIZE = 90000;
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40
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41 public static ByteBuffer saveState(){
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42 ByteBuffer buf =
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43 ByteBuffer.allocateDirect(SAVE_SIZE)
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44 .order(ByteOrder.nativeOrder());
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45 buf.clear();
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46 saveState(buf, SAVE_SIZE);
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47 buf.flip();
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48 return buf;
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49 }
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50
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51 public static void loadState(ByteBuffer saveState){
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52 loadState(saveState, SAVE_SIZE);
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53 }
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54
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55 public static native int getROMSize();
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56 public static native int getRAMSize();
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57
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58
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59 public static final int WRAM_SIZE = 0x8000;
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60
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61 public static final int VRAM_SIZE = 0x4000;
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62
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63 public static final int NUM_REGISTERS = 27;
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64
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65 public static native void getRAM(int[] store);
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66
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67 public static native void getROM(int[] store);
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68
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69 public static native void getWRAM(int[] store);
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70
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71 public static native void getVRAM(int[] store);
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72
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73 public static native void getRegisters(int[] store);
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74 }
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