예제 #1
0
        protected override void OnLoad( EventArgs e )
        {
            String exePath = Path.GetDirectoryName( Assembly.GetExecutingAssembly().GetName().CodeBase );
            if ( exePath.StartsWith( "file:\\" ) )
                exePath = exePath.Substring( 6 );
            myCharacterSet = new Texture2D( new Bitmap( exePath + Path.DirectorySeparatorChar + "charset.png" ) );
            myDefaultCharSet = new ushort[ 256 ];
            for ( int i = 0; i < 127; ++i )
            {
                for ( int w = 0; w < 2; ++w )
                {
                    ushort word = 0x0000;
                    for ( int j = 0; j < 16; ++j )
                    {
                        int x = ( ( i & 0xf ) << 2 ) + ( w << 1 ) + ( j >> 3 );
                        int y = ( ( i >> 4 ) << 3 ) + ( j & 7 );
                        if ( myCharacterSet.GetPixel( x, y ).R >= 128 )
                            word |= (ushort) ( 1 << ( 15 - j ) );
                    }
                    myDefaultCharSet[ ( i << 1 ) + w ] = word;
                }
            }

            myCharShader = new CharacterShader( myCharacterSet, Width, Height );
            myCharMap = new Character[ VideoBufferLength ];
            for ( int i = 0; i < VideoBufferLength; ++i )
            {
                myCharMap[ i ] = new Character( Scale );
                myCharMap[ i ].Position = new Vector2( ( i % Columns + 2 ) * 4 * Scale,
                    ( i / Columns + 1 ) * 8 * Scale );
                myCharMap[ i ].Value = 0x0000;
            }

            CPU.MemoryChanged += delegate( object sender, MemoryChangedEventArgs me )
            {
                if ( myDumping )
                    return;

                if ( VideoBufferLoc != 0 && me.Location >= VideoBufferLoc && me.Location < VideoBufferLoc + VideoBufferLength )
                {
                    int index = me.Location - VideoBufferLoc;
                    myCharMap[ index ].Value = me.Value;
                }
                else if ( CharacterSetLoc != 0 && me.Location >= CharacterSetLoc && me.Location < CharacterSetLoc + 256 )
                {
                    int index = me.Location - CharacterSetLoc;
                    int x = ( index % 32 ) * 2;
                    int y = ( index / 32 ) * 8;
                    ushort val = me.Value;
                    for ( int i = 0; i < 16; ++i )
                    {
                        if ( ( ( val >> i ) & 1 ) == 1 )
                            myCharacterSet.SetPixel( x + 1 - i / 8, y + i % 8, Color.White );
                        else
                            myCharacterSet.SetPixel( x + 1 - i / 8, y + i % 8, Color.Black );
                    }
                }
            };

            Ready = true;
        }
예제 #2
0
        public virtual void Render( CharacterShader shader )
        {
            if ( VertsChanged )
            {
                myVertices = FindVerts();
                VertsChanged = false;
            }

            shader.Render( myVertices );
        }