C64Lib.Core.MOS6569.draw_background C# (CSharp) Method

draw_background() public method

public draw_background ( ) : void
return void
        void draw_background()
        {
            byte c;

            if (!draw_this_line)
                return;

            switch (display_idx)
            {
                case 0:		// Standard text
                case 1:		// Multicolor text
                case 3:		// Multicolor bitmap
                    c = b0c_color;
                    break;

                case 2:		// Standard bitmap
                    c = colors[last_char_data];
                    break;

                case 4:		// ECM text
                    if ((last_char_data & 0x80) != 0)
                        if ((last_char_data & 0x40) != 0)
                            c = b3c_color;
                        else
                            c = b2c_color;
                    else
                        if ((last_char_data & 0x40) != 0)
                            c = b1c_color;
                        else
                            c = b0c_color;
                    break;

                default:
                    c = colors[0];
                    break;
            }

            //byte* p = chunky_ptr;
            //p[0] = p[1] = p[2] = p[3] = p[4] = p[5] = p[6] = p[7] = c;
            // -------------------------------------------------
            // This line, in the past, caused the nasty 1px border artifacts. However, commenting it out will
            // surely break other stuff. Investigate further
            // -----------------------------------------------
            _display.SetPixels(_chunkyIndex, 8, c);
        }