diff options
Diffstat (limited to 'src/devices/bus/c64/fcc.cpp')
-rw-r--r-- | src/devices/bus/c64/fcc.cpp | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/src/devices/bus/c64/fcc.cpp b/src/devices/bus/c64/fcc.cpp index dc1668c0eab..96b0c172c12 100644 --- a/src/devices/bus/c64/fcc.cpp +++ b/src/devices/bus/c64/fcc.cpp @@ -42,11 +42,9 @@ void c64_final_chesscard_device::c64_fcc_map(address_map &map) void c64_final_chesscard_device::device_add_mconfig(machine_config &config) { - M65SC02(config, m_maincpu, 5_MHz_XTAL); + G65SC02(config, m_maincpu, 5_MHz_XTAL); m_maincpu->set_addrmap(AS_PROGRAM, &c64_final_chesscard_device::c64_fcc_map); - config.m_perfect_cpu_quantum = subtag("maincpu"); - GENERIC_LATCH_8(config, m_mainlatch).data_pending_callback().set(FUNC(c64_final_chesscard_device::mainlatch_int)); GENERIC_LATCH_8(config, m_sublatch).data_pending_callback().set_inputline(m_maincpu, INPUT_LINE_NMI); } @@ -58,7 +56,7 @@ void c64_final_chesscard_device::device_add_mconfig(machine_config &config) static INPUT_PORTS_START( c64_fcc ) PORT_START("RESET") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("Reset") PORT_CODE(KEYCODE_F11) PORT_WRITE_LINE_DEVICE_MEMBER(DEVICE_SELF_OWNER, c64_expansion_slot_device, reset_w) + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("Reset") PORT_CODE(KEYCODE_F11) PORT_WRITE_LINE_DEVICE_MEMBER(DEVICE_SELF_OWNER, FUNC(c64_expansion_slot_device::reset_w)) INPUT_PORTS_END @@ -99,7 +97,10 @@ c64_final_chesscard_device::c64_final_chesscard_device(const machine_config &mco void c64_final_chesscard_device::device_start() { + m_nvram = std::make_unique<uint8_t[]>(0x2000); + // state saving + save_pointer(NAME(m_nvram), 0x2000); save_item(NAME(m_bank)); save_item(NAME(m_hidden)); } @@ -122,6 +123,25 @@ void c64_final_chesscard_device::device_reset() } +void c64_final_chesscard_device::nvram_default() +{ +} + + +bool c64_final_chesscard_device::nvram_read(util::read_stream &file) +{ + auto const [err, actual] = read(file, m_nvram.get(), 0x2000); + return !err && (actual == 0x2000); +} + + +bool c64_final_chesscard_device::nvram_write(util::write_stream &file) +{ + auto const [err, actual] = write(file, m_nvram.get(), 0x2000); + return !err; +} + + //------------------------------------------------- // c64_cd_r - cartridge data read //------------------------------------------------- |