diff options
Diffstat (limited to 'src/mame/drivers/alto2.cpp')
-rw-r--r-- | src/mame/drivers/alto2.cpp | 27 |
1 files changed, 11 insertions, 16 deletions
diff --git a/src/mame/drivers/alto2.cpp b/src/mame/drivers/alto2.cpp index c28bca203ca..d2d1dfeac16 100644 --- a/src/mame/drivers/alto2.cpp +++ b/src/mame/drivers/alto2.cpp @@ -20,14 +20,7 @@ public: driver_device(mconfig, type, tag), m_maincpu(*this, "maincpu"), m_speaker(*this, "speaker"), - m_io_row0(*this, "ROW0"), - m_io_row1(*this, "ROW1"), - m_io_row2(*this, "ROW2"), - m_io_row3(*this, "ROW3"), - m_io_row4(*this, "ROW4"), - m_io_row5(*this, "ROW5"), - m_io_row6(*this, "ROW6"), - m_io_row7(*this, "ROW7"), + m_io_row(*this, "ROW%u", 0U), m_io_config(*this, "CONFIG") { } @@ -38,17 +31,13 @@ public: void alto2_const_map(address_map &map); void alto2_iomem_map(address_map &map); void alto2_ucode_map(address_map &map); + protected: + u16 kb_r(offs_t offset); + required_device<alto2_cpu_device> m_maincpu; required_device<speaker_sound_device> m_speaker; - required_ioport m_io_row0; - required_ioport m_io_row1; - required_ioport m_io_row2; - required_ioport m_io_row3; - required_ioport m_io_row4; - required_ioport m_io_row5; - required_ioport m_io_row6; - required_ioport m_io_row7; + required_ioport_array<8> m_io_row; optional_ioport m_io_config; static const device_timer_id TIMER_VBLANK = 0; emu_timer* m_vblank_timer; @@ -254,6 +243,11 @@ static INPUT_PORTS_START( alto2 ) PORT_DIPSETTING( 0374, "ID 374") PORT_DIPSETTING( 0375, "ID 375") INPUT_PORTS_END +u16 alto2_state::kb_r(offs_t offset) +{ + return m_io_row[offset]->read(); +} + /* ROM */ ROM_START( alto2 ) // dummy region for the maincpu - this is not used in any way @@ -289,6 +283,7 @@ void alto2_state::alto2(machine_config &config) m_maincpu->set_addrmap(AS_PROGRAM, &alto2_state::alto2_ucode_map); m_maincpu->set_addrmap(AS_DATA, &alto2_state::alto2_const_map); m_maincpu->set_addrmap(AS_IO, &alto2_state::alto2_iomem_map); + m_maincpu->kb_read_callback().set(FUNC(alto2_state::kb_r)); // Video hardware screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); |