Mercurial > vba-clojure

annotate java/src/com/aurellem/gb/Gb.java @ 524:7ef5c73ea8fa

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
working on recording sound. almost have it, but there is still unexplained popping sounds.
author Robert McIntyre <rlm@mit.edu>
date Sat, 23 Jun 2012 23:10:31 -0500
parents d00096b6bf17
children fa7676dbf6f2
rev   line source
rlm@43 1 package com.aurellem.gb;
rlm@43 2
rlm@43 3 import java.nio.ByteBuffer;
rlm@60 4 import java.nio.IntBuffer;
rlm@56 5 import java.nio.ByteOrder;
rlm@43 6
rlm@43 7 public class Gb {
rlm@43 8
rlm@43 9
rlm@43 10 public Gb(){}
rlm@43 11
rlm@43 12
rlm@43 13 /**
rlm@43 14 * Hello World! This is just to test the native interface.
rlm@43 15 */
rlm@48 16 public static native void sayHello();
rlm@43 17
rlm@43 18 /**
rlm@43 19 * Run the emulator on a given rom
rlm@43 20 * @param rom - the name of the rom.
rlm@43 21 */
rlm@48 22 public static native void startEmulator(String rom);
rlm@48 23
rlm@48 24 public static void loadVBA(){
rlm@48 25 System.loadLibrary("vba");
rlm@48 26 }
rlm@43 27
rlm@53 28 public static native void step();
rlm@92 29
rlm@92 30 public static native int ntick();
rlm@92 31
rlm@92 32 public static boolean tick(){
rlm@92 33 return (1 == ntick());
rlm@92 34 }
rlm@53 35
rlm@83 36 public static native void nstep(int keymask);
rlm@83 37
rlm@83 38 public static void step(int keymask){
rlm@83 39 if (-1 == keymask) {step();}
rlm@83 40 else {nstep(keymask);}}
rlm@55 41
rlm@53 42 public static native void shutdown();
rlm@50 43
rlm@76 44 public static native long saveState(ByteBuffer buffer, int size);
rlm@56 45
rlm@56 46 public static native void loadState(ByteBuffer buffer, int size);
rlm@56 47
rlm@80 48 public static final int MAX_SAVE_SIZE = 20000;
rlm@56 49
rlm@76 50 public static ByteBuffer createDirectByteBuffer(int capacity){
rlm@76 51 byte[] zeros = new byte[capacity];
rlm@56 52 ByteBuffer buf =
rlm@76 53 ByteBuffer.allocateDirect(capacity)
rlm@56 54 .order(ByteOrder.nativeOrder());
rlm@76 55 buf.put(zeros);
rlm@56 56 buf.clear();
rlm@56 57 return buf;
rlm@56 58 }
rlm@56 59
rlm@76 60 public static ByteBuffer saveBuffer(){
rlm@76 61 return createDirectByteBuffer(MAX_SAVE_SIZE);
rlm@76 62 }
rlm@76 63
rlm@76 64 public static ByteBuffer saveState(){
rlm@76 65 ByteBuffer buf = saveBuffer();
rlm@76 66
rlm@76 67 saveState(buf, buf.capacity());
rlm@76 68
rlm@76 69 // determine the extent of the saved data
rlm@76 70 int position = buf.capacity() - 1;
rlm@76 71 for (int i = position; i > 0; i--){
rlm@76 72 if (0 != buf.get(i)){
rlm@76 73 position = i;
rlm@76 74 break;
rlm@76 75 }}
rlm@76 76 byte[] saveArray = new byte[position];
rlm@76 77 ByteBuffer save = createDirectByteBuffer(position);
rlm@76 78 buf.get(saveArray, 0 , position);
rlm@76 79 save.put(saveArray);
rlm@76 80 save.rewind();
rlm@76 81 return save;
rlm@76 82 }
rlm@76 83
rlm@56 84 public static void loadState(ByteBuffer saveState){
rlm@76 85 loadState(saveState, MAX_SAVE_SIZE);
rlm@56 86 }
rlm@56 87
rlm@59 88 public static native int getROMSize();
rlm@59 89 public static native int getRAMSize();
rlm@59 90
rlm@59 91
rlm@59 92 public static final int WRAM_SIZE = 0x8000;
rlm@59 93
rlm@59 94 public static final int VRAM_SIZE = 0x4000;
rlm@93 95
rlm@93 96 public static final int RAM_SIZE = 0x8000;
rlm@93 97
rlm@93 98 public static final int ROM_SIZE = 0x100000;
rlm@59 99
rlm@107 100 public static final int NUM_REGISTERS = 29;
rlm@62 101
rlm@93 102 public static final int GB_MEMORY = 0x10000;
rlm@93 103
rlm@524 104 public static final int SOUND_SIZE =
rlm@524 105 44100*2;
rlm@524 106 //1470*2;
rlm@523 107
rlm@93 108 public static native void getMemory(int[] store);
rlm@93 109
rlm@96 110 public static native void writeMemory(int[] newMemory);
rlm@96 111
rlm@60 112 public static native void getRAM(int[] store);
rlm@59 113
rlm@60 114 public static native void getROM(int[] store);
rlm@59 115
rlm@191 116 public static native void writeROM(int[] newROM);
rlm@191 117
rlm@60 118 public static native void getWRAM(int[] store);
rlm@60 119
rlm@60 120 public static native void getVRAM(int[] store);
rlm@62 121
rlm@62 122 public static native void getRegisters(int[] store);
rlm@100 123
rlm@100 124 public static native void writeRegisters(int[] newRegisters);
rlm@100 125
rlm@488 126 public static native void translateRGB(int[] rgb, int[] store);
rlm@488 127
rlm@496 128 public static final int DISPLAY_WIDTH = 160;
rlm@496 129
rlm@496 130 public static final int DISPLAY_HEIGHT = 144;
rlm@496 131
rlm@496 132 public static native void getPixels(int[] store);
rlm@496 133
rlm@496 134 public static native void nwritePNG(String filename);
rlm@496 135
rlm@522 136 public static native int readMemory(int address);
rlm@523 137
rlm@524 138 public static native void getFrameSound(byte[] store);
rlm@524 139
rlm@523 140 public static native int getSoundFrameWritten();
rlm@523 141
rlm@523 142 public static native void setSoundFrameWritten(int frames);
rlm@523 143
rlm@43 144 }