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Diffstat (limited to 'src/mame/drivers/molecular.cpp')
-rw-r--r--src/mame/drivers/molecular.cpp356
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diff --git a/src/mame/drivers/molecular.cpp b/src/mame/drivers/molecular.cpp
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+// license:BSD-3-Clause
+// copyright-holders: Angelo Salese
+/***********************************************************************************
+
+MOLECULAR Computer
+
+Notes:
+
+File Processor i/os
+0x00 DMA
+0x10-0x13 CTC
+0x20-0x23 CTC (Serial A Clock, Serial B Clock, Parity Error IRQ, Bus IRQ)
+0x40-0x43 SIO (Serial A Data, Serial A Control, Serial B Data, Serial B Control)
+0x60-0x63 FDC (Control, Cylinder, Sector, Data)
+0x70 PLOW Lower Parallel i/o
+0x71 PHI Upper Parallel i/o
+0x80-0x87 HDD (Status, Data, Result 0-5)
+
+Application Processor i/os
+0x00-0x03 PIO (Parallel A Data, Parallel A Control, Parallel B Data, Parallel B Control)
+0x20 DMA
+0x30-0x33 CTC (Serial A Clock, Serial B Clock, Parity Error IRQ, Bus IRQ)
+0x60-0x63 SIO (Serial A Data, Serial A Control, Serial B Data, Serial B Control)
+
+File Processor irqs:
+0xf80c PIO Ch A
+0xf80e PIO Ch B
+0xf810-0xf81e SIO Vector N
+0xf820-0xf826 CTC A, Channel N
+0xf828-0xf82e CTC B, Channel N (do not use)
+0xf830 DMA (do not use)
+
+Application Processor irqs:
+0xf80c PIO Ch A
+0xf80e PIO Ch B
+0xf810 DMA (do not use)
+0xf820-0xf82e SIO Vector N
+
+App Processor puts on sio port:
+"??250 INITIALIZING..."
+
+File Processor puts on sio port:
+"??FP RESTART"
+
+TODO:
+- Info on HW ports is pretty scarse, other than a trim i/o documentation and schematics
+
+***********************************************************************************/
+
+
+#include "emu.h"
+#include "cpu/i86/i86.h"
+#include "cpu/z80/z80.h"
+//#include "sound/ay8910.h"
+
+#define I86_CLOCK XTAL_24MHz
+#define Z80_CLOCK XTAL_16MHz
+
+class molecula_state : public driver_device
+{
+public:
+ molecula_state(const machine_config &mconfig, device_type type, const char *tag)
+ : driver_device(mconfig, type, tag),
+ m_filecpu(*this, "filecpu")
+ { }
+
+ // devices
+ required_device<cpu_device> m_filecpu;
+
+ // screen updates
+ UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
+
+ UINT8 *m_file_rom;
+ UINT8 *m_app_rom;
+ UINT8 *m_file_ram;
+ UINT8 *m_app_ram;
+ DECLARE_READ8_MEMBER(file_r);
+ DECLARE_WRITE8_MEMBER(file_w);
+
+ DECLARE_READ8_MEMBER(app_r);
+ DECLARE_WRITE8_MEMBER(app_w);
+
+ DECLARE_WRITE8_MEMBER(file_output_w);
+ DECLARE_WRITE8_MEMBER(app_output_w);
+
+ DECLARE_READ8_MEMBER( sio_r );
+ DECLARE_WRITE8_MEMBER( sio_w );
+
+ UINT8 app_ram_enable;
+ UINT8 file_ram_enable;
+
+ DECLARE_PALETTE_INIT(molecula);
+
+protected:
+ // driver_device overrides
+ virtual void machine_start();
+ virtual void machine_reset();
+
+ virtual void video_start();
+};
+
+void molecula_state::video_start()
+{
+}
+
+UINT32 molecula_state::screen_update( screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect )
+{
+ return 0;
+}
+
+READ8_MEMBER(molecula_state::file_r)
+{
+ if(file_ram_enable)
+ return m_file_ram[offset];
+
+ return m_file_rom[offset & 0x7ff];
+}
+
+
+WRITE8_MEMBER(molecula_state::file_w)
+{
+ m_file_ram[offset] = data;
+}
+
+READ8_MEMBER(molecula_state::app_r)
+{
+ if(app_ram_enable)
+ return m_app_ram[offset];
+
+ return m_app_rom[offset & 0x7ff];
+}
+
+
+WRITE8_MEMBER(molecula_state::app_w)
+{
+ m_app_ram[offset] = data;
+}
+
+WRITE8_MEMBER(molecula_state::file_output_w)
+{
+ if(offset == 0)
+ file_ram_enable = (data & 0x80) >> 7;
+
+ if(data & 0x7f || offset)
+ printf("FILE output -> %02x %02x\n",data,offset);
+}
+
+
+WRITE8_MEMBER(molecula_state::app_output_w)
+{
+ app_ram_enable = (data & 0x80) >> 7;
+
+ if(data & 0x7f)
+ printf("APP 0x10 -> %02x\n",data);
+}
+
+READ8_MEMBER( molecula_state::sio_r)
+{
+ if(offset == 1)
+ return 4;
+
+ return 0;
+}
+
+WRITE8_MEMBER( molecula_state::sio_w)
+{
+ if(offset == 0)
+ printf("%c",data);
+}
+
+static ADDRESS_MAP_START( molecula_file_map, AS_PROGRAM, 8, molecula_state )
+ AM_RANGE(0x0000, 0xffff) AM_READWRITE(file_r,file_w)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( molecula_file_io, AS_IO, 8, molecula_state )
+ ADDRESS_MAP_GLOBAL_MASK(0xff)
+// AM_RANGE(0x40, 0x43) AM_READWRITE(sio_r,sio_w)
+ AM_RANGE(0x72, 0x73) AM_WRITE(file_output_w) // unknown
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( molecula_app_map, AS_PROGRAM, 8, molecula_state )
+ AM_RANGE(0x0000, 0xffff) AM_READWRITE(app_r,app_w)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( molecula_app_io, AS_IO, 8, molecula_state )
+ ADDRESS_MAP_GLOBAL_MASK(0xff)
+ AM_RANGE(0x10, 0x10) AM_WRITE(app_output_w)
+ AM_RANGE(0x60, 0x63) AM_READWRITE(sio_r,sio_w)
+ADDRESS_MAP_END
+
+static INPUT_PORTS_START( molecula )
+ /* dummy active high structure */
+ PORT_START("SYSA")
+ PORT_DIPNAME( 0x01, 0x00, "SYSA" )
+ 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 ) )
+
+ /* dummy active low structure */
+ PORT_START("DSWA")
+ PORT_DIPNAME( 0x01, 0x01, "DSWA" )
+ 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, 0x08, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x08, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x10, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x20, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x40, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x80, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+INPUT_PORTS_END
+
+#if 0
+static const gfx_layout charlayout =
+{
+ 8,8,
+ RGN_FRAC(1,1),
+ 1,
+ { RGN_FRAC(0,1) },
+ { 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
+};
+#endif
+
+static GFXDECODE_START( molecula )
+// GFXDECODE_ENTRY( "gfx1", 0, charlayout, 0, 1 )
+GFXDECODE_END
+
+
+void molecula_state::machine_start()
+{
+ m_file_rom = memregion("fileipl")->base();
+ m_app_rom = memregion("appipl")->base();
+
+ m_file_ram = auto_alloc_array_clear(machine(), UINT8, 0x10000);
+ m_app_ram = auto_alloc_array_clear(machine(), UINT8, 0x10000);
+}
+
+void molecula_state::machine_reset()
+{
+ app_ram_enable = 0;
+ file_ram_enable = 0;
+}
+
+
+PALETTE_INIT_MEMBER(molecula_state, molecula)
+{
+}
+
+static MACHINE_CONFIG_START( molecula, molecula_state )
+
+ /* basic machine hardware */
+ MCFG_CPU_ADD("filecpu",Z80,Z80_CLOCK/2)
+ MCFG_CPU_PROGRAM_MAP(molecula_file_map)
+ MCFG_CPU_IO_MAP(molecula_file_io)
+ MCFG_DEVICE_DISABLE()
+
+ MCFG_CPU_ADD("appcpu",Z80,Z80_CLOCK/2)
+ MCFG_CPU_PROGRAM_MAP(molecula_app_map)
+ MCFG_CPU_IO_MAP(molecula_app_io)
+
+// MCFG_CPU_ADD("sub",I8086,I86_CLOCK/2)
+// MCFG_CPU_PROGRAM_MAP(molecula_map)
+// MCFG_CPU_IO_MAP(molecula_io)
+// MCFG_DEVICE_DISABLE()
+
+ /* video hardware */
+ MCFG_SCREEN_ADD("screen", RASTER)
+ MCFG_SCREEN_REFRESH_RATE(60)
+ MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500))
+ MCFG_SCREEN_UPDATE_DRIVER(molecula_state, screen_update)
+ MCFG_SCREEN_SIZE(32*8, 32*8)
+ MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 0*8, 32*8-1)
+ MCFG_SCREEN_PALETTE("palette")
+
+ MCFG_GFXDECODE_ADD("gfxdecode", "palette", molecula)
+
+ MCFG_PALETTE_ADD("palette", 8)
+ MCFG_PALETTE_INIT_OWNER(molecula_state, molecula)
+
+ /* sound hardware */
+ MCFG_SPEAKER_STANDARD_MONO("mono")
+// MCFG_SOUND_ADD("aysnd", AY8910, MAIN_CLOCK/4)
+// MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.30)
+MACHINE_CONFIG_END
+
+
+/***************************************************************************
+
+ Game driver(s)
+
+***************************************************************************/
+
+ROM_START( molecula )
+ ROM_REGION( 0x10000, "fileipl", ROMREGION_ERASE00 )
+ ROM_LOAD( "sm32-111782-255-ff.bin", 0x000000, 0x000800, CRC(818f5f5a) SHA1(829b8fef99e6667d04d1944112823f3ea6a1a7e8) )
+
+ ROM_REGION( 0x10000, "appipl", ROMREGION_ERASE00 )
+ ROM_LOAD( "ap-111181-fa.bin", 0x000000, 0x000800, CRC(c289fc90) SHA1(2c0a17808971400e0289d65a11ef09e1f5eb90a0) )
+
+ ROM_REGION( 0x1000, "x86ipl", ROMREGION_ERASE00 )
+ ROM_LOAD16_BYTE( "ap86eve_2716.bin", 0x000000, 0x000800, CRC(d6484a11) SHA1(19cfea72afbc796e5b59c47095529d6d6350dd98) )
+ ROM_LOAD16_BYTE( "ap86odd_2716.bin", 0x000001, 0x000800, CRC(a4403c13) SHA1(2aeb07ad1f3381cbd1ec901e1f095ae737ded538) )
+
+ /* same as ap-111181-fa.bin, with a different & bad byte at [3]*/
+ ROM_REGION( 0x10000, "user2", ROMREGION_ERASE00 )
+ ROM_LOAD( "ap-111181-253-fd.bin", 0x000000, 0x000800, CRC(10f16080) SHA1(10f13a04c525cd4b67e2b6e1a3eed46c619a439c) )
+
+ /* proms */
+ ROM_REGION( 0x10000, "user3", ROMREGION_ERASE00 )
+ ROM_LOAD( "ms01_82s131.bin", 0x000000, 0x000200, CRC(433b139c) SHA1(32c1e853faacf85b11506a6903789ef129dd6adc) )
+ ROM_LOAD( "ms11_82s131.bin", 0x000200, 0x000200, CRC(cff86fed) SHA1(554ec15799afc6305c8cae0f9d55b32004479cdb) )
+
+ ROM_REGION( 0x10000, "misc", ROMREGION_ERASE00 )
+ ROM_LOAD( "mem_16r4.jed", 0x000000, 0x00caef, CRC(a8cfbdfe) SHA1(92be58ab3299e0d3ac37bd1e258054c881b9ad7f) )
+ ROM_LOAD( "rx_16r8.jed", 0x000000, 0x00caef, CRC(76f11ea8) SHA1(3ec41e5af04a89659f1b30270ee00e1fdf302ad6) )
+ ROM_LOAD( "tx_16r8.jed", 0x000000, 0x00caef, CRC(a91dcf0b) SHA1(16d261f064a4af29c3da58f3ae8a867bdc953ce6) )
+ ROM_LOAD( "wait_16r4.jed", 0x000000, 0x00caef, CRC(3aacfeb4) SHA1(1af1a8046e5a8a0337c85b55adceaef6e45702b7) )
+ROM_END
+
+COMP( 1982, molecula, 0, 0, molecula, molecula, driver_device, 0, "MOLECULAR", "MOLECULAR Computer", MACHINE_IS_SKELETON )