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Diffstat (limited to 'src/mame/drivers/r2dtank.cpp')
-rw-r--r--src/mame/drivers/r2dtank.cpp539
1 files changed, 0 insertions, 539 deletions
diff --git a/src/mame/drivers/r2dtank.cpp b/src/mame/drivers/r2dtank.cpp
deleted file mode 100644
index 0d701f85636..00000000000
--- a/src/mame/drivers/r2dtank.cpp
+++ /dev/null
@@ -1,539 +0,0 @@
-// license:BSD-3-Clause
-// copyright-holders:David Haywood, Pierpaolo Prazzoli
-/*******************************************************************
-R2D Tank (c) 1980 Sigma Ent. Inc.
-
-driver by: David Haywood & Pierpaolo Prazzoli
-
-
-from the readme
-----------------------------------------------------
-Orca board number OVG-17A
-
-r2d1.1c is ROM #1 at board position 1C, and so on.
-
-1 = 2716
-2 = 2732
-3 = 2732
-4 = 2732
-5 = 2716 Sound
-
-CPU = 6809
-other = HD46505SP (6845) (CRT controller)
-other = MB14282(x2)
-other = HD468458SP
-other = MB14282
-other = MB14368
-other = HD6821 (x2) (PIA)
-other = HD46802
-other = M5L8226 (x2)
-RAM = 4116 (x11)
-
-----------------------------------------------------
-
-XTAL values appear to be 3579.545 (X1) and 11.200 (X2).
-
-********************************************************************/
-
-#include "emu.h"
-#include "cpu/m6800/m6800.h"
-#include "cpu/m6809/m6809.h"
-#include "machine/6821pia.h"
-#include "machine/74123.h"
-#include "machine/gen_latch.h"
-#include "machine/nvram.h"
-#include "machine/rescap.h"
-#include "sound/ay8910.h"
-#include "video/mc6845.h"
-#include "emupal.h"
-#include "screen.h"
-#include "speaker.h"
-
-
-#define LOG_AUDIO_COMM (0)
-
-#define MAIN_CPU_MASTER_CLOCK (11.2_MHz_XTAL)
-#define PIXEL_CLOCK (MAIN_CPU_MASTER_CLOCK / 2)
-#define CRTC_CLOCK (MAIN_CPU_MASTER_CLOCK / 16)
-
-class r2dtank_state : public driver_device
-{
-public:
- r2dtank_state(const machine_config &mconfig, device_type type, const char *tag) :
- driver_device(mconfig, type, tag),
- m_videoram(*this, "videoram"),
- m_colorram(*this, "colorram"),
- m_maincpu(*this, "maincpu"),
- m_palette(*this, "palette"),
- m_audiocpu(*this, "audiocpu"),
- m_soundlatch(*this, "soundlatch"),
- m_soundlatch2(*this, "soundlatch2"),
- m_pia_main(*this, "pia_main"),
- m_pia_audio(*this, "pia_audio"),
- m_ay1(*this, "ay1"),
- m_ay2(*this, "ay2")
- { }
-
- void r2dtank(machine_config &config);
-
- DECLARE_READ_LINE_MEMBER(ttl74123_output_r);
-
-protected:
- virtual void machine_start() override;
-
-private:
- required_shared_ptr<uint8_t> m_videoram;
- required_shared_ptr<uint8_t> m_colorram;
- required_device<cpu_device> m_maincpu;
- required_device<palette_device> m_palette;
- required_device<cpu_device> m_audiocpu;
- required_device<generic_latch_8_device> m_soundlatch;
- required_device<generic_latch_8_device> m_soundlatch2;
- required_device<pia6821_device> m_pia_main;
- required_device<pia6821_device> m_pia_audio;
- required_device<ay8910_device> m_ay1;
- required_device<ay8910_device> m_ay2;
-
- uint8_t m_flipscreen;
- uint32_t m_ttl74123_output;
- uint8_t m_AY8910_selected;
-
- DECLARE_READ8_MEMBER(audio_command_r);
- DECLARE_WRITE8_MEMBER(audio_command_w);
- DECLARE_READ8_MEMBER(audio_answer_r);
- DECLARE_WRITE8_MEMBER(audio_answer_w);
- DECLARE_WRITE_LINE_MEMBER(main_cpu_irq);
- DECLARE_WRITE8_MEMBER(AY8910_select_w);
- DECLARE_READ8_MEMBER(AY8910_port_r);
- DECLARE_WRITE8_MEMBER(AY8910_port_w);
- DECLARE_WRITE_LINE_MEMBER(flipscreen_w);
- DECLARE_WRITE8_MEMBER(pia_comp_w);
-
- DECLARE_WRITE_LINE_MEMBER(ttl74123_output_changed);
-
- MC6845_UPDATE_ROW(crtc_update_row);
-
- void r2dtank_audio_map(address_map &map);
- void r2dtank_main_map(address_map &map);
-};
-
-
-/*************************************
- *
- * Interrupt generation
- *
- *************************************/
-
-WRITE_LINE_MEMBER(r2dtank_state::main_cpu_irq)
-{
- int combined_state = m_pia_main->irq_a_state() | m_pia_main->irq_b_state() |
- m_pia_audio->irq_a_state() | m_pia_audio->irq_b_state();
-
- m_maincpu->set_input_line(M6809_IRQ_LINE, combined_state ? ASSERT_LINE : CLEAR_LINE);
-}
-
-
-
-/*************************************
- *
- * Audio system - CPU 1
- *
- *************************************/
-
-READ8_MEMBER(r2dtank_state::audio_command_r)
-{
- uint8_t ret = m_soundlatch->read();
-
-if (LOG_AUDIO_COMM) logerror("%08X CPU#1 Audio Command Read: %x\n", m_audiocpu->pc(), ret);
-
- return ret;
-}
-
-
-WRITE8_MEMBER(r2dtank_state::audio_command_w)
-{
- m_soundlatch->write(~data);
- m_audiocpu->set_input_line(M6802_IRQ_LINE, HOLD_LINE);
-
-if (LOG_AUDIO_COMM) logerror("%08X CPU#0 Audio Command Write: %x\n", m_maincpu->pc(), data^0xff);
-}
-
-
-READ8_MEMBER(r2dtank_state::audio_answer_r)
-{
- uint8_t ret = m_soundlatch2->read();
-if (LOG_AUDIO_COMM) logerror("%08X CPU#0 Audio Answer Read: %x\n", m_maincpu->pc(), ret);
-
- return ret;
-}
-
-
-WRITE8_MEMBER(r2dtank_state::audio_answer_w)
-{
- /* HACK - prevents lock-up, but causes game to end some in-between sreens prematurely */
- if (m_audiocpu->pc() == 0xfb12)
- data = 0x00;
-
- m_soundlatch2->write(data);
- m_maincpu->set_input_line(M6809_IRQ_LINE, HOLD_LINE);
-
-if (LOG_AUDIO_COMM) logerror("%08X CPU#1 Audio Answer Write: %x\n", m_audiocpu->pc(), data);
-}
-
-
-WRITE8_MEMBER(r2dtank_state::AY8910_select_w)
-{
- /* not sure what all the bits mean:
- D0 - ????? definetely used
- D1 - not used?
- D2 - selects ay8910 control or port
- D3 - selects ay8910 #0
- D4 - selects ay8910 #1
- D5-D7 - not used */
- m_AY8910_selected = data;
-
-if (LOG_AUDIO_COMM) logerror("%s: CPU#1 AY8910_select_w: %x\n", machine().describe_context(), data);
-}
-
-
-READ8_MEMBER(r2dtank_state::AY8910_port_r)
-{
- uint8_t ret = 0;
-
- if (m_AY8910_selected & 0x08)
- ret = m_ay1->data_r();
-
- if (m_AY8910_selected & 0x10)
- ret = m_ay2->data_r();
-
- return ret;
-}
-
-
-WRITE8_MEMBER(r2dtank_state::AY8910_port_w)
-{
- if (m_AY8910_selected & 0x08)
- m_ay1->data_address_w(m_AY8910_selected >> 2, data);
-
- if (m_AY8910_selected & 0x10)
- m_ay2->data_address_w(m_AY8910_selected >> 2, data);
-}
-
-
-/*************************************
- *
- * 74123
- *
- * This timer is responsible for
- * delaying the PIA1's port input.
- * This delay ensures that
- * CA1 is only changed in the VBLANK
- * region, but not in HBLANK
- *
- *************************************/
-
-WRITE_LINE_MEMBER(r2dtank_state::ttl74123_output_changed)
-{
- m_pia_main->ca1_w(state);
- m_ttl74123_output = state;
-}
-
-
-READ_LINE_MEMBER(r2dtank_state::ttl74123_output_r)
-{
- return m_ttl74123_output;
-}
-
-/*************************************
- *
- * Machine start
- *
- *************************************/
-
-void r2dtank_state::machine_start()
-{
- /* setup for save states */
- save_item(NAME(m_flipscreen));
- save_item(NAME(m_ttl74123_output));
- save_item(NAME(m_AY8910_selected));
-}
-
-
-
-/*************************************
- *
- * Video system
- *
- *************************************/
-
-
-WRITE_LINE_MEMBER(r2dtank_state::flipscreen_w)
-{
- m_flipscreen = !state;
-}
-
-
-MC6845_UPDATE_ROW( r2dtank_state::crtc_update_row )
-{
- uint8_t x = 0;
-
- for (uint8_t cx = 0; cx < x_count; cx++)
- {
- uint8_t data, fore_color;
-
- /* the memory is hooked up to the MA, RA lines this way */
- offs_t offs = ((ma << 3) & 0x1f00) |
- ((ra << 5) & 0x00e0) |
- ((ma << 0) & 0x001f);
-
- if (m_flipscreen)
- offs = offs ^ 0x1fff;
-
- data = m_videoram[offs];
- fore_color = (m_colorram[offs] >> 5) & 0x07;
-
- for (int i = 0; i < 8; i++)
- {
- uint8_t bit, color;
-
- if (m_flipscreen)
- {
- bit = data & 0x01;
- data = data >> 1;
- }
- else
- {
- bit = data & 0x80;
- data = data << 1;
- }
-
- color = bit ? fore_color : 0;
- bitmap.pix32(y, x) = m_palette->pen_color(color);
-
- x = x + 1;
- }
-
- ma = ma + 1;
- }
-}
-
-
-
-/*************************************
- *
- * Memory handlers
- *
- *************************************/
-
-WRITE8_MEMBER(r2dtank_state::pia_comp_w)
-{
- m_pia_main->write(offset, ~data);
-}
-
-
-void r2dtank_state::r2dtank_main_map(address_map &map)
-{
- map(0x0000, 0x1fff).ram().share("videoram");
- map(0x2000, 0x3fff).ram();
- map(0x4000, 0x5fff).ram().share("colorram");
- map(0x6000, 0x7fff).ram();
- map(0x8000, 0x8003).r("pia_main", FUNC(pia6821_device::read)).w(FUNC(r2dtank_state::pia_comp_w));
- map(0x8004, 0x8004).rw(FUNC(r2dtank_state::audio_answer_r), FUNC(r2dtank_state::audio_command_w));
- map(0xb000, 0xb000).w("crtc", FUNC(mc6845_device::address_w));
- map(0xb001, 0xb001).w("crtc", FUNC(mc6845_device::register_w));
- map(0xc000, 0xc007).ram().share("nvram");
- map(0xc800, 0xffff).rom();
-}
-
-
-void r2dtank_state::r2dtank_audio_map(address_map &map)
-{
- map(0xd000, 0xd003).rw("pia_audio", FUNC(pia6821_device::read), FUNC(pia6821_device::write));
- map(0xf000, 0xf000).rw(FUNC(r2dtank_state::audio_command_r), FUNC(r2dtank_state::audio_answer_w));
- map(0xf800, 0xffff).rom();
-}
-
-
-
-/*************************************
- *
- * Port definition
- *
- *************************************/
-
-static INPUT_PORTS_START( r2dtank )
-
- PORT_START("IN0")
- PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 )
- PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 )
- PORT_SERVICE_NO_TOGGLE(0x04, IP_ACTIVE_LOW)
- PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON1 )
- PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_COCKTAIL
- PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_START1 )
- PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_START2 )
- PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_CUSTOM ) PORT_READ_LINE_MEMBER(r2dtank_state, ttl74123_output_r)
-
- PORT_START("IN1")
- PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_COCKTAIL
- PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_COCKTAIL
- PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT )
- PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT )
- PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_COCKTAIL
- PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_COCKTAIL
- PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_JOYSTICK_UP )
- PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN )
-
- PORT_START("DSWA")
- PORT_DIPNAME( 0x01, 0x01, DEF_STR( Unknown ) )
- PORT_DIPSETTING( 0x01, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x00, DEF_STR( On ) )
- PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) )
- PORT_DIPSETTING( 0x02, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x00, DEF_STR( On ) )
- PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) )
- PORT_DIPSETTING( 0x04, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x00, DEF_STR( On ) )
- PORT_DIPNAME( 0x08, 0x00, DEF_STR( Unknown ) )
- PORT_DIPSETTING( 0x08, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x00, DEF_STR( On ) )
- PORT_DIPNAME( 0x10, 0x00, DEF_STR( Lives ) )
- PORT_DIPSETTING( 0x00, "3" )
- PORT_DIPSETTING( 0x10, "4" )
- PORT_DIPNAME( 0x20, 0x20, DEF_STR( Cabinet ) )
- PORT_DIPSETTING( 0x20, DEF_STR( Upright ) )
- PORT_DIPSETTING( 0x00, DEF_STR( Cocktail ) )
- PORT_DIPNAME( 0xc0, 0x00, DEF_STR( Coinage ) )
- PORT_DIPSETTING( 0x40, DEF_STR( 2C_1C ) )
- PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) )
- PORT_DIPSETTING( 0x80, DEF_STR( 1C_2C ) )
- PORT_DIPSETTING( 0xc0, DEF_STR( Free_Play ) )
-
- PORT_START("DSWB")
- PORT_DIPNAME( 0x01, 0x00, DEF_STR( Unknown ) )
- PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x01, DEF_STR( On ) )
- PORT_DIPNAME( 0x02, 0x00, DEF_STR( Unknown ) )
- PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x02, DEF_STR( On ) )
- PORT_DIPNAME( 0x04, 0x00, DEF_STR( Unknown ) )
- PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x04, DEF_STR( On ) )
- PORT_DIPNAME( 0x08, 0x00, DEF_STR( Unknown ) )
- PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x08, DEF_STR( On ) )
- PORT_DIPNAME( 0x10, 0x00, DEF_STR( Unknown ) )
- PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x10, DEF_STR( On ) )
- PORT_DIPNAME( 0x20, 0x00, DEF_STR( Unknown ) )
- PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x20, DEF_STR( On ) )
- PORT_DIPNAME( 0x40, 0x00, DEF_STR( Unknown ) )
- PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x40, DEF_STR( On ) )
- PORT_DIPNAME( 0x80, 0x00, DEF_STR( Unknown ) )
- PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x80, DEF_STR( On ) )
-
-INPUT_PORTS_END
-
-
-
-/*************************************
- *
- * Machine driver
- *
- *************************************/
-
-void r2dtank_state::r2dtank(machine_config &config)
-{
- MC6809(config, m_maincpu, MAIN_CPU_MASTER_CLOCK / 4); // divider guessed
- m_maincpu->set_addrmap(AS_PROGRAM, &r2dtank_state::r2dtank_main_map);
-
- M6802(config, m_audiocpu, 3.579545_MHz_XTAL);
- m_audiocpu->set_addrmap(AS_PROGRAM, &r2dtank_state::r2dtank_audio_map);
-
- NVRAM(config, "nvram", nvram_device::DEFAULT_ALL_0);
-
- /* video hardware */
- screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
- screen.set_raw(PIXEL_CLOCK, 360, 0, 256, 276, 0, 224);
- screen.set_screen_update("crtc", FUNC(mc6845_device::screen_update));
-
- PALETTE(config, m_palette, palette_device::BGR_3BIT);
-
- mc6845_device &crtc(MC6845(config, "crtc", CRTC_CLOCK));
- crtc.set_screen("screen");
- crtc.set_show_border_area(false);
- crtc.set_char_width(8);
- crtc.set_update_row_callback(FUNC(r2dtank_state::crtc_update_row));
- crtc.out_de_callback().set("74123", FUNC(ttl74123_device::a_w));
-
- /* 74LS123 */
-
- ttl74123_device &ttl74123(TTL74123(config, "74123", 0));
- ttl74123.set_connection_type(TTL74123_GROUNDED); /* the hook up type */
- ttl74123.set_resistor_value(RES_K(22)); /* resistor connected to RCext */
- ttl74123.set_capacitor_value(CAP_U(0.01)); /* capacitor connected to Cext and RCext */
- ttl74123.set_a_pin_value(1); /* A pin - driven by the CRTC */
- ttl74123.set_b_pin_value(1); /* B pin - pulled high */
- ttl74123.set_clear_pin_value(1); /* Clear pin - pulled high */
- ttl74123.out_cb().set(FUNC(r2dtank_state::ttl74123_output_changed));
-
- PIA6821(config, m_pia_main, 0);
- m_pia_main->readpa_handler().set_ioport("IN0");
- m_pia_main->readpb_handler().set_ioport("IN1");
- m_pia_main->cb2_handler().set(FUNC(r2dtank_state::flipscreen_w));
- m_pia_main->irqa_handler().set(FUNC(r2dtank_state::main_cpu_irq));
- m_pia_main->irqb_handler().set(FUNC(r2dtank_state::main_cpu_irq));
-
- PIA6821(config, m_pia_audio, 0);
- m_pia_audio->readpa_handler().set(FUNC(r2dtank_state::AY8910_port_r));
- m_pia_audio->writepa_handler().set(FUNC(r2dtank_state::AY8910_port_w));
- m_pia_audio->writepb_handler().set(FUNC(r2dtank_state::AY8910_select_w));
- m_pia_audio->irqa_handler().set(FUNC(r2dtank_state::main_cpu_irq));
- m_pia_audio->irqb_handler().set(FUNC(r2dtank_state::main_cpu_irq));
-
- /* audio hardware */
- SPEAKER(config, "mono").front_center();
-
- GENERIC_LATCH_8(config, m_soundlatch);
- GENERIC_LATCH_8(config, m_soundlatch2);
-
- AY8910(config, m_ay1, 3.579545_MHz_XTAL / 4); // probably E clock from MC6802
- m_ay1->port_a_read_callback().set_ioport("DSWB");
- m_ay1->add_route(ALL_OUTPUTS, "mono", 0.25);
-
- AY8910(config, m_ay2, 3.579545_MHz_XTAL / 4);
- m_ay2->port_a_read_callback().set_ioport("IN1");
- m_ay2->port_b_read_callback().set_ioport("DSWA");
- m_ay2->add_route(ALL_OUTPUTS, "mono", 0.25);
-}
-
-
-
-/*************************************
- *
- * ROM definition
- *
- *************************************/
-
-ROM_START( r2dtank )
- ROM_REGION( 0x10000, "maincpu", 0 )
- ROM_LOAD( "r2d1.1c", 0xc800, 0x0800, CRC(20606a0f) SHA1(9a55e595c7ea332bdc89142338947be8a28a92a3) )
- ROM_LOAD( "r2d2.1a", 0xd000, 0x1000, CRC(7561c67f) SHA1(cccc7bbd7975db340fe571a4c31c25b41b2563b8) )
- ROM_LOAD( "r2d3.2c", 0xe000, 0x1000, CRC(fc53c538) SHA1(8f9a2edcf7a2cb2a8ddd084828b52f1bf45f434a) )
- ROM_LOAD( "r2d4.2a", 0xf000, 0x1000, CRC(56636225) SHA1(dcfc6e29b4c51a45cfbecf6790b7d88b89af433b) )
-
- ROM_REGION( 0x10000, "audiocpu", 0 )
- ROM_LOAD( "r2d5.7l", 0xf800, 0x0800, CRC(c49bed15) SHA1(ffa635a65c024c532bb13fb91bbd3e54923e81bf) )
-ROM_END
-
-
-
-/*************************************
- *
- * Game driver
- *
- *************************************/
-
-GAME( 1980, r2dtank, 0, r2dtank, r2dtank, r2dtank_state, empty_init, ROT270, "Sigma Enterprises Inc.", "R2D Tank", MACHINE_SUPPORTS_SAVE)