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lc80: add halt led

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This commit is contained in:
hap 2021-04-26 22:15:10 +02:00
parent 21a91c921f
commit f9905a5052
2 changed files with 14 additions and 13 deletions
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25
src/mame/drivers/lc80.cpp
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@ -1,5 +1,5 @@
// license:BSD-3-Clause
// copyright-holders:Curt Coder
// copyright-holders:Curt Coder, hap
/***************************************************************************
LC-80 by VEB Mikroelektronik "Karl Marx" Erfurt
@ -40,7 +40,6 @@ SC-80 starts at ADR C8000.
TODO:
- HALT led
- KSD11 switch
- CTC clock inputs
- Most characters are lost when pasting (lc80, lc80e).
@ -78,7 +77,7 @@ public:
m_cassette(*this, "cassette"),
m_speaker(*this, "speaker"),
m_inputs(*this, "Y%u", 0U),
m_out_led(*this, "led0")
m_halt_led(*this, "halt")
{ }
void lc80(machine_config &config);
@ -93,7 +92,7 @@ protected:
virtual void machine_start() override;
private:
required_device<cpu_device> m_maincpu;
required_device<z80_device> m_maincpu;
required_device<ram_device> m_ram;
required_device_array<z80pio_device, 2> m_pio;
required_device<z80ctc_device> m_ctc;
@ -101,7 +100,7 @@ private:
required_device<cassette_image_device> m_cassette;
required_device<speaker_sound_device> m_speaker;
required_ioport_array<4> m_inputs;
output_finder<> m_out_led;
output_finder<> m_halt_led;
void lc80_mem(address_map &map);
void lc80a_mem(address_map &map);
@ -109,9 +108,10 @@ private:
void lc80_2_mem(address_map &map);
void lc80_io(address_map &map);
DECLARE_WRITE_LINE_MEMBER( ctc_z0_w );
DECLARE_WRITE_LINE_MEMBER( ctc_z1_w );
DECLARE_WRITE_LINE_MEMBER( ctc_z2_w );
DECLARE_WRITE_LINE_MEMBER(halt_w) { m_halt_led = state; }
DECLARE_WRITE_LINE_MEMBER(ctc_z0_w);
DECLARE_WRITE_LINE_MEMBER(ctc_z1_w);
DECLARE_WRITE_LINE_MEMBER(ctc_z2_w);
void pio1_pa_w(uint8_t data);
uint8_t pio1_pb_r();
void pio1_pb_w(uint8_t data);
@ -214,15 +214,15 @@ INPUT_PORTS_END
/* Z80-CTC Interface */
WRITE_LINE_MEMBER( lc80_state::ctc_z0_w )
WRITE_LINE_MEMBER(lc80_state::ctc_z0_w)
{
}
WRITE_LINE_MEMBER( lc80_state::ctc_z1_w )
WRITE_LINE_MEMBER(lc80_state::ctc_z1_w)
{
}
WRITE_LINE_MEMBER( lc80_state::ctc_z2_w )
WRITE_LINE_MEMBER(lc80_state::ctc_z2_w)
{
}
@ -353,7 +353,7 @@ static const z80_daisy_config lc80_daisy_chain[] =
void lc80_state::machine_start()
{
m_out_led.resolve();
m_halt_led.resolve();
address_space &program = m_maincpu->space(AS_PROGRAM);
program.install_ram(0x2000, 0x2000 + m_ram->size() - 1, 0x1000, m_ram->pointer());
@ -372,6 +372,7 @@ void lc80_state::lc80(machine_config &config)
Z80(config, m_maincpu, 900000); /* UD880D */
m_maincpu->set_addrmap(AS_PROGRAM, &lc80_state::lc80_mem);
m_maincpu->set_addrmap(AS_IO, &lc80_state::lc80_io);
m_maincpu->halt_cb().set(FUNC(lc80_state::halt_w));
/* video hardware */
PWM_DISPLAY(config, m_display).set_size(1+6, 8);

2
src/mame/layout/lc80.lay
View file

@ -34,7 +34,7 @@ license:CC0
</element>
<!-- HALT led -->
<element name="led1" ref="red_led">
<element name="halt" ref="red_led">
<bounds x="0" y="15" width="5" height="5" />
</element>