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-rw-r--r--src/mame/drivers/shootaway2.cpp108
1 files changed, 108 insertions, 0 deletions
diff --git a/src/mame/drivers/shootaway2.cpp b/src/mame/drivers/shootaway2.cpp
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+++ b/src/mame/drivers/shootaway2.cpp
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+// license:BSD-3-Clause
+// copyright-holders:R. Belmont
+/***************************************************************************
+
+ Namco M74 board - "Shoot Away II"
+
+ Skeleton driver by R. Belmont
+
+ Main CPU: ROMless Mitsubishi M37450 rebadged as Namco C68 custom
+ I/O CPU: TMPZ84C011
+
+ M37450 needs on-board timers implemented to go anywhere
+ (see Mitsu '89 single-chip CPU databook on Bitsavers)
+
+****************************************************************************/
+
+#include "emu.h"
+#include "cpu/z80/tmpz84c011.h"
+#include "cpu/m6502/m3745x.h"
+#include "sound/okim6295.h"
+#include "machine/nvram.h"
+#include "screen.h"
+#include "speaker.h"
+
+class m74_state : public driver_device
+{
+public:
+ m74_state(const machine_config &mconfig, device_type type, const char *tag)
+ : driver_device(mconfig, type, tag),
+ m_maincpu(*this, "maincpu"),
+ m_subcpu(*this, "subcpu")
+ { }
+
+ virtual void machine_reset() override;
+ virtual void machine_start() override;
+
+ uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
+
+protected:
+
+ // devices
+ required_device<m37450_device> m_maincpu;
+ required_device<tmpz84c011_device> m_subcpu;
+
+ // driver_device overrides
+ virtual void video_start() override;
+};
+
+void m74_state::machine_reset()
+{
+}
+
+void m74_state::machine_start()
+{
+}
+
+void m74_state::video_start()
+{
+}
+
+uint32_t m74_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
+{
+ return 0;
+}
+
+static ADDRESS_MAP_START( c68_map, AS_PROGRAM, 8, m74_state )
+ AM_RANGE(0x8000, 0xffff) AM_ROM AM_REGION("maincpu", 0x0000)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( sub_map, AS_PROGRAM, 8, m74_state )
+ AM_RANGE(0x0000, 0x7fff) AM_ROM AM_REGION("subcpu", 0)
+ AM_RANGE(0x8000, 0xffff) AM_RAM
+ADDRESS_MAP_END
+
+static INPUT_PORTS_START( m74 )
+INPUT_PORTS_END
+
+static MACHINE_CONFIG_START( m74 )
+ MCFG_CPU_ADD("maincpu", M37450, XTAL_8MHz) /* C68 @ 8.0MHz - main CPU */
+ MCFG_CPU_PROGRAM_MAP(c68_map)
+
+ MCFG_CPU_ADD("subcpu", TMPZ84C011, XTAL_12MHz / 3) /* Z84C011 @ 4 MHz - sub CPU */
+ MCFG_CPU_PROGRAM_MAP(sub_map)
+
+ MCFG_SCREEN_ADD("screen", RASTER)
+ MCFG_SCREEN_REFRESH_RATE(60)
+ MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500) /* not accurate */)
+ MCFG_SCREEN_UPDATE_DRIVER(m74_state, screen_update)
+ MCFG_SCREEN_SIZE(320, 240)
+ MCFG_SCREEN_VISIBLE_AREA(0, 319, 0, 239)
+
+ MCFG_SPEAKER_STANDARD_MONO("mono")
+ MCFG_OKIM6295_ADD("oki", XTAL_1MHz, PIN7_HIGH)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
+MACHINE_CONFIG_END
+
+ROM_START(shootaw2)
+ ROM_REGION(0x80000, "subcpu", 0) /* Z84C011 program ROM */
+ ROM_LOAD( "sas1_spr0.7f", 0x000000, 0x080000, CRC(3bc14ba3) SHA1(7a75281621f23107c5c3c1a09831be2f8bb93540) )
+
+ ROM_REGION(0x20000, "maincpu", 0) /* C68 / M37450 program ROM */
+ ROM_LOAD( "sas1_mpr0c.8l", 0x000000, 0x020000, CRC(21379550) SHA1(2f2b43ca526d1a77c80f81d0e1f22155d90f725d) )
+
+ ROM_REGION(0x40000, "oki", 0)
+ ROM_LOAD( "unknown_label.5e", 0x000000, 0x040000, CRC(fa75e91e) SHA1(d06ca906135a3f23c1f0dadff75f940ea7ca0e4a) )
+ROM_END
+
+GAME( 1996, shootaw2, 0, m74, m74, m74_state, 0, ROT0, "Namco", "Shoot Away II", MACHINE_NOT_WORKING )