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-rw-r--r--src/mame/drivers/subhuntr.cpp180
1 files changed, 180 insertions, 0 deletions
diff --git a/src/mame/drivers/subhuntr.cpp b/src/mame/drivers/subhuntr.cpp
new file mode 100644
index 00000000000..a36f388ee70
--- /dev/null
+++ b/src/mame/drivers/subhuntr.cpp
@@ -0,0 +1,180 @@
+// license:BSD-3-Clause
+// copyright-holders:David Haywood
+/*
+
+QTY Type clock position function
+2x 2636 Programmable Video Interface
+1x 2650 OSC/2 = 1.7897725 MHz 8-bit Microprocessor - main
+1x oscillator 3.579545 MHz
+
+ROMs
+QTY Type position status
+4x 2708 6F,6H,6L,6N dumped
+1x N82S115 2B dumped
+
+RAMs
+QTY Type position
+2x 2101
+
+*/
+
+#include "emu.h"
+#include "cpu/s2650/s2650.h"
+#include "machine/s2636.h"
+
+
+class subhuntr_state : public driver_device
+{
+public:
+ subhuntr_state(const machine_config &mconfig, device_type type, const char *tag)
+ : driver_device(mconfig, type, tag),
+ m_maincpu(*this, "maincpu")
+ {
+ }
+
+ required_device<cpu_device> m_maincpu;
+
+ INTERRUPT_GEN_MEMBER(subhuntr_interrupt);
+
+ virtual void machine_start();
+ virtual void machine_reset();
+ virtual void video_start();
+ DECLARE_PALETTE_INIT(subhuntr);
+ UINT32 screen_update_subhuntr(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
+};
+
+
+/***************************************************************************
+
+ Video
+
+***************************************************************************/
+
+PALETTE_INIT_MEMBER(subhuntr_state, subhuntr)
+{
+}
+
+UINT32 subhuntr_state::screen_update_subhuntr(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
+{
+ return 0;
+}
+
+void subhuntr_state::video_start()
+{
+}
+
+
+/***************************************************************************
+
+ Memory Maps, I/O
+
+***************************************************************************/
+
+static ADDRESS_MAP_START( subhuntr_map, AS_PROGRAM, 8, subhuntr_state )
+ AM_RANGE(0x0000, 0x0fff) AM_ROM
+ AM_RANGE(0x1c00, 0x1fff) AM_RAM
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( subhuntr_io_map, AS_IO, 8, subhuntr_state )
+// AM_RANGE(S2650_CTRL_PORT, S2650_CTRL_PORT) AM_READWRITE( , )
+// AM_RANGE(S2650_DATA_PORT, S2650_DATA_PORT) AM_READWRITE( , )
+ AM_RANGE(S2650_SENSE_PORT, S2650_SENSE_PORT) AM_READ_PORT("SENSE")
+ADDRESS_MAP_END
+
+/***************************************************************************
+
+ Inputs
+
+***************************************************************************/
+
+static INPUT_PORTS_START( subhuntr )
+ PORT_START("SENSE")
+ PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_CUSTOM ) PORT_VBLANK("screen")
+INPUT_PORTS_END
+
+
+/***************************************************************************
+
+ Machine Config/Interface
+
+***************************************************************************/
+
+void subhuntr_state::machine_start()
+{
+}
+
+void subhuntr_state::machine_reset()
+{
+}
+
+INTERRUPT_GEN_MEMBER(subhuntr_state::subhuntr_interrupt)
+{
+ device.execute().set_input_line_and_vector(0, HOLD_LINE, 0x03);
+}
+
+static const gfx_layout tiles8x8_layout =
+{
+ 8,8,
+ RGN_FRAC(1,1),
+ 1,
+ { 0 },
+ { 0, 1, 2, 3, 4, 5, 6, 7 },
+ { 0*8,1*8,2*8,3*8,4*8,5*8,6*8,7*8 },
+ 8*8
+};
+
+static GFXDECODE_START( subhuntr )
+ GFXDECODE_ENTRY( "gfx1", 0, tiles8x8_layout, 0, 1 )
+GFXDECODE_END
+
+
+static MACHINE_CONFIG_START( subhuntr, subhuntr_state )
+
+ /* basic machine hardware */
+ MCFG_CPU_ADD("maincpu", S2650, 14318180/4/2)
+ MCFG_CPU_PROGRAM_MAP(subhuntr_map)
+ MCFG_CPU_IO_MAP(subhuntr_io_map)
+ MCFG_CPU_VBLANK_INT_DRIVER("screen", subhuntr_state, subhuntr_interrupt)
+
+// MCFG_DEVICE_ADD("s2636", S2636, 0)
+// MCFG_S2636_WORKRAM_SIZE(0x100)
+// MCFG_S2636_OFFSETS(3, -21)
+// MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.10)
+
+ /* video hardware */
+ MCFG_SCREEN_ADD("screen", RASTER)
+ MCFG_SCREEN_VIDEO_ATTRIBUTES(VIDEO_ALWAYS_UPDATE)
+ MCFG_SCREEN_REFRESH_RATE(50)
+ MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500) /* not accurate */)
+ MCFG_SCREEN_SIZE(256, 256)
+ MCFG_SCREEN_VISIBLE_AREA(1*8, 29*8-1, 2*8, 32*8-1)
+ MCFG_SCREEN_UPDATE_DRIVER(subhuntr_state, screen_update_subhuntr)
+ MCFG_SCREEN_PALETTE("palette")
+
+ MCFG_GFXDECODE_ADD("gfxdecode", "palette", subhuntr)
+
+ MCFG_PALETTE_ADD("palette", 26)
+ MCFG_PALETTE_INIT_OWNER(subhuntr_state, subhuntr)
+
+ /* sound hardware */
+ MCFG_SPEAKER_STANDARD_MONO("mono")
+
+ /* discrete sound */
+MACHINE_CONFIG_END
+
+
+
+/******************************************************************************/
+
+ROM_START( subhuntr )
+ ROM_REGION( 0x1000, "maincpu", 0 )
+ ROM_LOAD( "MR21.6F", 0x0000, 0x0400, CRC(27847939) SHA1(e6b41b511fefac1e1e207eff2dac8c2963d47c5c) )
+ ROM_LOAD( "MR22.6G", 0x0400, 0x0400, CRC(e9af1ee8) SHA1(451e88407a120444377a58b06b65152c57503533) )
+ ROM_LOAD( "MR25.6L", 0x0800, 0x0400, CRC(8271c975) SHA1(c7192658b50d781ab1b94c2e8cb75c5be3539820) )
+ ROM_LOAD( "MR24.6N", 0x0c00, 0x0400, CRC(385c4944) SHA1(84050b0356c9a3a36528dba768f2684e28c6c7c4) )
+
+ ROM_REGION( 0x0200, "gfx1", 0 )
+ ROM_LOAD( "82S115.2B", 0x0000, 0x0200, CRC(6946c9de) SHA1(956b4bebe6960a73609deb75e1493c4127fd7f77) ) // ASCII, not much else
+ROM_END
+
+GAME(1979, subhuntr, 0, subhuntr, subhuntr, driver_device, 0, ROT0, "Model Racing", "Sub Hunter (Model Racing)", MACHINE_NOT_WORKING | MACHINE_NO_SOUND )