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Diffstat (limited to 'src/mame/drivers/shootaway2.cpp')
-rw-r--r-- | src/mame/drivers/shootaway2.cpp | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/src/mame/drivers/shootaway2.cpp b/src/mame/drivers/shootaway2.cpp new file mode 100644 index 00000000000..067ead25dc2 --- /dev/null +++ b/src/mame/drivers/shootaway2.cpp @@ -0,0 +1,108 @@ +// 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 ) |