void ISystemBase.setupBase() { // inititalize system components m_cpu = new MOS6502(); m_cpu.installRAMBank(64); m_cpu.registerMemoryAccess(0xF001, readDsp, writeDsp); m_cpu.registerMemoryAccess(0xF004, readKbd, writeKbd); // setup display m_VideoInfo = new VideoInfoStruct(); m_VideoInfo.Rows = 25; m_VideoInfo.Cols = 40; m_VideoInfo.CharHeight = 8; m_VideoInfo.CharWidth = 8; m_VideoInfo.FontColor = Color.Orange; m_VideoInfo.BackColor = Color.Black; m_iCursorX = m_iCursorY = 0; m_ScreenBuffer = new char[m_VideoInfo.Rows][]; for (int r = 0; r < m_VideoInfo.Rows; r++) { m_ScreenBuffer[r] = new char[m_VideoInfo.Cols]; for (int c = 0; c < m_VideoInfo.Cols; c++) { m_ScreenBuffer[r][c] = ' '; } } m_bNeedRefresh = false; m_DisplayQueue = new Queue <byte>(10); m_KeyboardQueue = new Queue <byte>(5); // load ROMs loadROMs(); m_cpu.Reset(); }
void ISystemBase.setupBase() { // inititalize system components m_cpu = new MOS6502(); m_cpu.installRAMBank(32); RAMextension ram = new RAMextension(m_cpu, 0xE800, 2); // for BASIC v2 m_pia1 = new MOS6520("PIA1", m_cpu, 0xE810); m_pia2 = new MOS6520("PIA2", m_cpu, 0xE820); m_via = new MOS6522("VIA", m_cpu, 0xE840); // set I/O and interupt lines m_pia1.OutputA = receive_PIA1_A; m_pia1.InterruptLine = m_cpu.signalInterrupt; m_pia2.InterruptLine = m_cpu.signalInterrupt; m_via.InterruptLine = m_cpu.signalInterrupt; initKeyboard(); // setup display m_VideoInfo = new VideoInfoStruct(); m_VideoInfo.Rows = 25; m_VideoInfo.Cols = 40; m_VideoInfo.CharHeight = 8; m_VideoInfo.CharWidth = 8; m_VideoInfo.FontColor = Color.Green; m_VideoInfo.BackColor = Color.Black; // setup screen buffer m_ScreenBuffer = new byte[0x0800]; m_cpu.registerMemoryAccess(0x8000, 0x8800, read, write); // load ROMs loadROMs(); m_cpu.Reset(); }