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advision: add configurable screen size
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@ -15,9 +15,9 @@ Hardware notes:
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right button panels are electronically the same)
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- expansion port (unused)
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A game cartridge is basically an EPROM chip wearing a jacket, there is no
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dedicated cartridge slot as is common on other consoles. Only 4 games were
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released in total.
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The cartridge slot is different from what is common on other consoles. A game
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cartridge is basically an EPROM chip wearing a jacket. Only 4 games were released
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in total.
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The mirror rotates at around 7Hz, the motor speed is not controlled by software,
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and it differs a bit per console. This can be adjusted after enabling -cheat.
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@ -29,9 +29,6 @@ width of 150 is specified by the BIOS, but it's possible to update the leds at a
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different rate, hence MAME configures a larger screen. In fact, the homebrew demo
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Code Red doesn't use the BIOS for it, and runs at 50*40 to save some RAM.
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It's recommended to leave bilinear filtering on (it's the default for most of
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MAME's video backends).
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TODO:
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- EA banking is ugly, it can be turd-polished but the real issue is in mcs48
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- display refresh is actually ~14Hz, but doing that will make MAME very sluggish
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@ -81,6 +78,8 @@ public:
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void advision(machine_config &config);
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DECLARE_INPUT_CHANGED_MEMBER(set_screensize);
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protected:
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virtual void machine_start() override;
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virtual void machine_reset() override;
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@ -141,31 +140,36 @@ private:
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Video
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*******************************************************************************/
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INPUT_CHANGED_MEMBER(advision_state::set_screensize)
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{
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// reconfigure screen size when settings changed
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const int width = 9600 / (m_conf->read() & 0x3f);
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const int height = 40 * 4 + 3 - (m_conf->read() >> 6 & 3);
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m_screen->set_visible_area(0, width - 1, 0, height - 1);
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}
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u32 advision_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
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{
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const bool hint_enable = bool(m_conf->read() & 1);
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u8 led_height = (m_conf->read() >> 6 & 3) + 1;
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bitmap.fill(0, cliprect);
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for (int y = 0; y < 40; y++)
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{
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u8 *src = &m_display[y * DISPLAY_WIDTH];
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for (int x = 0; x < DISPLAY_WIDTH; x++)
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for (int x = cliprect.left(); x <= cliprect.right(); x++)
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{
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int dx = x;
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int dy = y * 2 + 1;
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u8 red = src[x] ? 0xff : 0;
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u8 green = red / 16;
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u8 blue = red / 12;
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if (cliprect.contains(dx, dy))
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int dy = y * 4 + (4 - led_height);
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for (int i = 0; i < led_height; i++)
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{
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u8 red = src[x] ? 0xff : 0;
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// do some horizontal interpolation
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if (hint_enable && red == 0 && dx > 0)
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red = (bitmap.pix(dy, dx - 1) >> 16 & 0xff) * 0.75;
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u8 green = red / 16;
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u8 blue = red / 12;
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bitmap.pix(dy, dx) = red << 16 | green << 8 | blue;
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if (cliprect.contains(x, dy))
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bitmap.pix(dy + i, x) = red << 16 | green << 8 | blue;
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}
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}
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}
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@ -198,7 +202,7 @@ void advision_state::av_control_w(u8 data)
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void advision_state::vblank(int state)
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{
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if (!state && (m_screen->frame_number() & 3) == 0)
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if (state && (m_screen->frame_number() & 3) == 0)
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{
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// starting a new frame
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std::fill_n(m_display.get(), DISPLAY_WIDTH * 40, 0);
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@ -226,7 +230,7 @@ TIMER_DEVICE_CALLBACK_MEMBER(advision_state::led_update)
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{
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// for official games, 1 'pixel' is 60us, but there are two spots that have
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// a longer duration: at x=50 and x=100 (see BTANB note about seams)
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m_led_update->adjust(attotime::from_usec(10));
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m_led_update->adjust(attotime::from_usec(m_conf->read() & 0x3f));
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m_video_hpos++;
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}
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}
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@ -353,9 +357,16 @@ static INPUT_PORTS_START( advision )
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PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_4WAY
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PORT_START("CONF")
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PORT_CONFNAME( 0x01, 0x01, "H Interpolation" )
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PORT_CONFSETTING( 0x00, DEF_STR( Off ) )
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PORT_CONFSETTING( 0x01, DEF_STR( On ) )
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PORT_CONFNAME( 0x3f, 20, "Screen Width" ) PORT_CHANGED_MEMBER(DEVICE_SELF, advision_state, set_screensize, 0) // factors of 60
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PORT_CONFSETTING( 60, "160" )
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PORT_CONFSETTING( 30, "320" )
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PORT_CONFSETTING( 20, "480" )
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PORT_CONFSETTING( 15, "640" )
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PORT_CONFSETTING( 10, "960" )
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PORT_CONFNAME( 0xc0, 0x80, "Led Height" ) PORT_CHANGED_MEMBER(DEVICE_SELF, advision_state, set_screensize, 0)
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PORT_CONFSETTING( 0x40, "50%" )
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PORT_CONFSETTING( 0x80, "75%" )
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PORT_CONFSETTING( 0xc0, "100%" )
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INPUT_PORTS_END
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@ -414,7 +425,7 @@ void advision_state::machine_reset()
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void advision_state::advision(machine_config &config)
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{
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// basic machine hardware
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I8048(config, m_maincpu, XTAL(11'000'000));
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I8048(config, m_maincpu, 11_MHz_XTAL);
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m_maincpu->set_addrmap(AS_PROGRAM, &advision_state::program_map);
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m_maincpu->set_addrmap(AS_IO, &advision_state::io_map);
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m_maincpu->p1_in_cb().set(FUNC(advision_state::controller_r));
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@ -430,10 +441,10 @@ void advision_state::advision(machine_config &config)
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// video hardware
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SCREEN(config, m_screen, SCREEN_TYPE_RASTER);
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m_screen->set_refresh_hz(4*14); // see notes
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m_screen->set_refresh_hz(4 * 14); // see notes
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m_screen->set_vblank_time(0);
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m_screen->set_size(960, 40 * 2 + 1);
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m_screen->set_visarea_full();
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m_screen->set_size(960, 40 * 4 + 4);
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m_screen->set_visarea(0, 480 - 1, 0, 40 * 4); // default setting
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m_screen->set_screen_update(FUNC(advision_state::screen_update));
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m_screen->screen_vblank().set(FUNC(advision_state::vblank));
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@ -176,7 +176,8 @@ on Joerg Woerner's datamath.org: http://www.datamath.org/IC_List.htm
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*MP3493 TMS1100 1980, Milton Bradley OMNI Entertainment System (1/2)
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*MP3494 TMS1100 1980, Milton Bradley OMNI Entertainment System (2/2)
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MP3496 TMS1100 1980, Microvision cartridge: Sea Duel
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M34009 TMS1100 1981, Microvision cartridge: Alien Raiders (note: MP3498, MP3499, M3400x..)
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*M34004A TMS1100 1981, Ideal Sky-Writer (note: MP3498, MP3499, M3400x..)
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M34009 TMS1100 1981, Microvision cartridge: Alien Raiders
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@M34012 TMS1100 1980, Mattel Dungeons & Dragons: Computer Labyrinth Game
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*M34014 TMS1100 1981, Coleco Bowlatronic
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M34017 TMS1100 1981, Microvision cartridge: Cosmic Hunter
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@ -191,6 +192,7 @@ on Joerg Woerner's datamath.org: http://www.datamath.org/IC_List.htm
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@MP6100A TMS0980 1979, Ideal Electronic Detective
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@MP6101B TMS0980 1979, Parker Brothers Stop Thief
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@MP6354 TMS1475 1982, Tsukuda The Dracula
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*MP6358 TMS1475? 1982, Bandai U-Boat
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*MP6361 TMS1475? 1983, <unknown> Defender Strikes
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@MP7302 TMS1400 1980, Tiger Deluxe Football with Instant Replay
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@MP7304 TMS1400 1982, Tiger 7 in 1 Sports Stadium (model 7-555)
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