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https://github.com/holub/mame
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mey8088.cpp: output_finder (nw)
This commit is contained in:
Ivan Vangelista
parent
ff3481e806
commit
eaffd4b5a4
@ -44,14 +44,23 @@ public:
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m_maincpu(*this,"maincpu"),
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m_vram(*this, "vram"),
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m_heartbeat(*this, "heartbeat"),
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m_switches(*this, {"C0", "C1", "C2", "C3"})
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m_switches(*this, {"C0", "C1", "C2", "C3"}),
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m_lamps(*this, "lamp%u", 0U)
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{ }
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void meyc8088(machine_config &config);
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protected:
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virtual void machine_start() override;
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private:
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required_device<cpu_device> m_maincpu;
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required_shared_ptr<uint8_t> m_vram;
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required_device<timer_device> m_heartbeat;
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optional_ioport_array<4> m_switches;
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required_ioport_array<4> m_switches;
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output_finder<16> m_lamps;
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uint8_t m_status;
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uint8_t m_common;
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@ -61,17 +70,16 @@ public:
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DECLARE_READ8_MEMBER(video5_flip_r);
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DECLARE_WRITE8_MEMBER(screen_flip_w);
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DECLARE_READ8_MEMBER(screen_flip_r);
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DECLARE_READ8_MEMBER(meyc8088_input_r);
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DECLARE_READ8_MEMBER(meyc8088_status_r);
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DECLARE_WRITE8_MEMBER(meyc8088_lights1_w);
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DECLARE_WRITE8_MEMBER(meyc8088_lights2_w);
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DECLARE_WRITE8_MEMBER(meyc8088_common_w);
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DECLARE_READ8_MEMBER(input_r);
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DECLARE_READ8_MEMBER(status_r);
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DECLARE_WRITE8_MEMBER(lights1_w);
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DECLARE_WRITE8_MEMBER(lights2_w);
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DECLARE_WRITE8_MEMBER(common_w);
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DECLARE_PALETTE_INIT(meyc8088);
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uint32_t screen_update_meyc8088(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
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DECLARE_WRITE_LINE_MEMBER(screen_vblank_meyc8088);
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uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
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DECLARE_WRITE_LINE_MEMBER(screen_vblank);
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TIMER_DEVICE_CALLBACK_MEMBER(heartbeat_callback);
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void meyc8088(machine_config &config);
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void meyc8088_map(address_map &map);
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};
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@ -131,7 +139,7 @@ PALETTE_INIT_MEMBER(meyc8088_state, meyc8088)
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palette.set_pen_colors(0, rgb);
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}
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uint32_t meyc8088_state::screen_update_meyc8088(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
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uint32_t meyc8088_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
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{
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uint8_t v[5];
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v[4] = m_status << 2 & 0x10; // video5: color prom d4
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@ -160,7 +168,7 @@ uint32_t meyc8088_state::screen_update_meyc8088(screen_device &screen, bitmap_in
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return 0;
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}
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WRITE_LINE_MEMBER(meyc8088_state::screen_vblank_meyc8088)
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WRITE_LINE_MEMBER(meyc8088_state::screen_vblank)
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{
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// LC255(200ns pulse) rising edge asserts INTR at start and end of vblank
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// INTA wired back to INTR to clear it, vector is hardwired to $20
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@ -231,7 +239,7 @@ void meyc8088_state::meyc8088_map(address_map &map)
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}
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READ8_MEMBER(meyc8088_state::meyc8088_input_r)
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READ8_MEMBER(meyc8088_state::input_r)
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{
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uint8_t ret = 0xff;
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@ -244,7 +252,7 @@ READ8_MEMBER(meyc8088_state::meyc8088_input_r)
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return ret;
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}
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READ8_MEMBER(meyc8088_state::meyc8088_status_r)
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READ8_MEMBER(meyc8088_state::status_r)
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{
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// d0: /CR2
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// d1: screen on
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@ -256,21 +264,21 @@ READ8_MEMBER(meyc8088_state::meyc8088_status_r)
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}
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WRITE8_MEMBER(meyc8088_state::meyc8088_lights1_w)
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WRITE8_MEMBER(meyc8088_state::lights1_w)
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{
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// lite 1-8
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for (int i = 0; i < 8; i++)
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output().set_lamp_value(i, ~data >> i & 1);
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m_lamps[i] = BIT(~data, i);
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}
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WRITE8_MEMBER(meyc8088_state::meyc8088_lights2_w)
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WRITE8_MEMBER(meyc8088_state::lights2_w)
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{
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// lite 9-16
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for (int i = 0; i < 8; i++)
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output().set_lamp_value(i + 8, ~data >> i & 1);
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m_lamps[i + 8] = BIT(~data, i);
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}
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WRITE8_MEMBER(meyc8088_state::meyc8088_common_w)
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WRITE8_MEMBER(meyc8088_state::common_w)
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{
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// d0: /CR2
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m_status = (m_status & ~1) | (data & 1);
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@ -282,6 +290,14 @@ WRITE8_MEMBER(meyc8088_state::meyc8088_common_w)
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m_common = data >> 2 & 0xf;
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}
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void meyc8088_state::machine_start()
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{
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m_lamps.resolve();
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save_item(NAME(m_status));
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save_item(NAME(m_common));
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}
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/***************************************************************************
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@ -350,21 +366,21 @@ INPUT_PORTS_END
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MACHINE_CONFIG_START(meyc8088_state::meyc8088)
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/* basic machine hardware */
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MCFG_DEVICE_ADD("maincpu", I8088, (XTAL(15'000'000) / 3) * 0.95) // NOTE: underclocked to prevent errors on diagnostics, MAME i8088 cycle timing is probably inaccurate
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MCFG_DEVICE_ADD(m_maincpu, I8088, (XTAL(15'000'000) / 3) * 0.95) // NOTE: underclocked to prevent errors on diagnostics, MAME i8088 cycle timing is probably inaccurate
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MCFG_DEVICE_PROGRAM_MAP(meyc8088_map)
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MCFG_DEVICE_ADD("i8155_1", I8155, XTAL(15'000'000) / (3*1))
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// all ports set to input
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MCFG_I8155_IN_PORTA_CB(READ8(*this, meyc8088_state, meyc8088_input_r))
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MCFG_I8155_IN_PORTA_CB(READ8(*this, meyc8088_state, input_r))
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MCFG_I8155_IN_PORTB_CB(IOPORT("SW"))
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MCFG_I8155_IN_PORTC_CB(READ8(*this, meyc8088_state, meyc8088_status_r))
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MCFG_I8155_IN_PORTC_CB(READ8(*this, meyc8088_state, status_r))
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// i8251A trigger txc/rxc (debug related, unpopulated on sold boards)
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MCFG_DEVICE_ADD("i8155_2", I8155, XTAL(15'000'000) / (3*32))
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// all ports set to output
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MCFG_I8155_OUT_PORTA_CB(WRITE8(*this, meyc8088_state, meyc8088_lights2_w))
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MCFG_I8155_OUT_PORTB_CB(WRITE8(*this, meyc8088_state, meyc8088_lights1_w))
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MCFG_I8155_OUT_PORTC_CB(WRITE8(*this, meyc8088_state, meyc8088_common_w))
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MCFG_I8155_OUT_PORTA_CB(WRITE8(*this, meyc8088_state, lights2_w))
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MCFG_I8155_OUT_PORTB_CB(WRITE8(*this, meyc8088_state, lights1_w))
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MCFG_I8155_OUT_PORTC_CB(WRITE8(*this, meyc8088_state, common_w))
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MCFG_I8155_OUT_TIMEROUT_CB(WRITELINE("dac", dac_bit_interface, write))
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MCFG_NVRAM_ADD_0FILL("nvram")
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@ -374,8 +390,8 @@ MACHINE_CONFIG_START(meyc8088_state::meyc8088)
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/* video hardware */
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MCFG_SCREEN_ADD("screen", RASTER)
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MCFG_SCREEN_RAW_PARAMS(XTAL(15'000'000)/3, 320, 0, 256, 261, 0, 224)
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MCFG_SCREEN_UPDATE_DRIVER(meyc8088_state, screen_update_meyc8088)
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MCFG_SCREEN_VBLANK_CALLBACK(WRITELINE(*this, meyc8088_state, screen_vblank_meyc8088))
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MCFG_SCREEN_UPDATE_DRIVER(meyc8088_state, screen_update)
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MCFG_SCREEN_VBLANK_CALLBACK(WRITELINE(*this, meyc8088_state, screen_vblank))
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MCFG_SCREEN_PALETTE("palette")
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MCFG_PALETTE_ADD("palette", 32)
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@ -401,4 +417,4 @@ ROM_START( gldarrow )
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ROM_END
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GAMEL(1984, gldarrow, 0, meyc8088, gldarrow, meyc8088_state, 0, ROT0, "Meyco Games, Inc.", "Golden Arrow (Standard G8-03)", 0, layout_gldarrow )
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GAMEL(1984, gldarrow, 0, meyc8088, gldarrow, meyc8088_state, 0, ROT0, "Meyco Games, Inc.", "Golden Arrow (Standard G8-03)", MACHINE_SUPPORTS_SAVE, layout_gldarrow )
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