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Diffstat (limited to 'src/mame/drivers/tavernie.cpp')
-rw-r--r-- | src/mame/drivers/tavernie.cpp | 401 |
1 files changed, 401 insertions, 0 deletions
diff --git a/src/mame/drivers/tavernie.cpp b/src/mame/drivers/tavernie.cpp new file mode 100644 index 00000000000..c1ea74dc14d --- /dev/null +++ b/src/mame/drivers/tavernie.cpp @@ -0,0 +1,401 @@ +// license:BSD-3-Clause +// copyright-holders: Robbbert +/*************************************************************************** + + Tavernier CPU09 and IVG09 (Realisez votre ordinateur individuel) + + 2013-12-08 Skeleton driver. + + This system was described in a French computer magazine. + + CPU09 includes 6809, 6821, 6840, 6850, cassette, rs232 + IVG09 includes 6845, another 6821, beeper + IFD09 includes WD1795 + +ToDo: + - Attributes ram + - Graphics + - Character rom is not dumped + - Graphics rom is not dumped + - 3x 7611 proms not dumped + - Fix cassette + - Test FDC + - Need software + +List of commands (must be in UPPERCASE): +A - +B - +C - +D - Dump memory (^X to break) +G - +I - +L - Load cassette +M - +N - +O - +P - Save cassette +Q - +R - Display/Alter Registers +S - +T - +U - +V - +W - +X - 'erreur de chargement dos' +Y - +Z - more scan lines per row (cursor is bigger) + + +****************************************************************************/ + +#include "bus/rs232/rs232.h" +#include "cpu/m6809/m6809.h" +#include "machine/6821pia.h" +#include "machine/6840ptm.h" +#include "machine/6850acia.h" +#include "machine/clock.h" +#include "video/mc6845.h" +#include "machine/keyboard.h" +#include "imagedev/cassette.h" +#include "machine/wd_fdc.h" +#include "sound/wave.h" +#include "sound/beep.h" +#include "tavernie.lh" + +#define KEYBOARD_TAG "keyboard" + +class tavernie_state : public driver_device +{ +public: + tavernie_state(const machine_config &mconfig, device_type type, const char *tag) : + driver_device(mconfig, type, tag), + m_p_videoram(*this, "videoram"), + m_cass(*this, "cassette"), + m_pia_ivg(*this, "pia_ivg"), + m_fdc(*this, "fdc"), + m_floppy0(*this, "fdc:0"), + m_beep(*this, "beeper"), + m_maincpu(*this, "maincpu"), + m_acia(*this, "acia"), + m_palette(*this, "palette") + { + } + + DECLARE_READ_LINE_MEMBER(ca1_r); + DECLARE_READ8_MEMBER(pa_r); + DECLARE_WRITE8_MEMBER(pa_w); + DECLARE_WRITE8_MEMBER(pb_w); + DECLARE_WRITE8_MEMBER(pa_ivg_w); + DECLARE_READ8_MEMBER(pb_ivg_r); + DECLARE_WRITE8_MEMBER(kbd_put); + DECLARE_WRITE8_MEMBER(ds_w); + DECLARE_MACHINE_RESET(cpu09); + DECLARE_MACHINE_RESET(ivg09); + DECLARE_WRITE_LINE_MEMBER(write_acia_clock); + MC6845_UPDATE_ROW(crtc_update_row); + + const UINT8 *m_p_chargen; + optional_shared_ptr<UINT8> m_p_videoram; + +private: + UINT8 m_term_data; + UINT8 m_pa; + required_device<cassette_image_device> m_cass; + optional_device<pia6821_device> m_pia_ivg; + optional_device<fd1795_t> m_fdc; + optional_device<floppy_connector> m_floppy0; + optional_device<beep_device> m_beep; + required_device<cpu_device> m_maincpu; + required_device<acia6850_device> m_acia; +public: + optional_device<palette_device> m_palette; +}; + + +static ADDRESS_MAP_START(cpu09_mem, AS_PROGRAM, 8, tavernie_state) + ADDRESS_MAP_UNMAP_HIGH + AM_RANGE(0x1000, 0x1fff) AM_NOP + AM_RANGE(0xeb00, 0xeb03) AM_DEVREADWRITE("pia", pia6821_device, read, write) + AM_RANGE(0xeb04, 0xeb04) AM_DEVREADWRITE("acia", acia6850_device, status_r, control_w) + AM_RANGE(0xeb05, 0xeb05) AM_DEVREADWRITE("acia", acia6850_device, data_r, data_w) + AM_RANGE(0xeb08, 0xeb0f) AM_DEVREADWRITE("ptm", ptm6840_device, read, write) + AM_RANGE(0xec00, 0xefff) AM_RAM // 1Kx8 RAM MK4118 + AM_RANGE(0xf000, 0xffff) AM_ROM AM_REGION("roms", 0) +ADDRESS_MAP_END + +static ADDRESS_MAP_START(ivg09_mem, AS_PROGRAM, 8, tavernie_state) + ADDRESS_MAP_UNMAP_HIGH + AM_RANGE(0x1000, 0x1fff) AM_RAM AM_SHARE("videoram") + AM_RANGE(0x2000, 0x2003) AM_DEVREADWRITE("pia_ivg", pia6821_device, read, write) + AM_RANGE(0x2080, 0x2080) AM_DEVREADWRITE("crtc", mc6845_device, status_r, address_w) + AM_RANGE(0x2081, 0x2081) AM_DEVREADWRITE("crtc", mc6845_device, register_r, register_w) + AM_RANGE(0xe000, 0xe003) AM_DEVREADWRITE("fdc", fd1795_t, read, write) + AM_RANGE(0xe080, 0xe080) AM_WRITE(ds_w) + AM_RANGE(0xeb00, 0xeb03) AM_DEVREADWRITE("pia", pia6821_device, read, write) + AM_RANGE(0xeb04, 0xeb04) AM_DEVREADWRITE("acia", acia6850_device, status_r, control_w) + AM_RANGE(0xeb05, 0xeb05) AM_DEVREADWRITE("acia", acia6850_device, data_r, data_w) + AM_RANGE(0xeb08, 0xeb0f) AM_DEVREADWRITE("ptm", ptm6840_device, read, write) + AM_RANGE(0xec00, 0xefff) AM_RAM // 1Kx8 RAM MK4118 + AM_RANGE(0xf000, 0xffff) AM_ROM AM_REGION("roms", 0) +ADDRESS_MAP_END + + +/* Input ports */ +static INPUT_PORTS_START( cpu09 ) + PORT_START("DSW") + PORT_DIPNAME( 0x01, 0x00, "IRQ PTM") PORT_DIPLOCATION("SW1:1") + PORT_DIPSETTING( 0x01, DEF_STR(Off)) + PORT_DIPSETTING( 0x00, DEF_STR(On)) + PORT_DIPNAME( 0x02, 0x00, "IRQ ACIA") PORT_DIPLOCATION("SW1:2") + PORT_DIPSETTING( 0x02, DEF_STR(Off)) + PORT_DIPSETTING( 0x00, DEF_STR(On)) + PORT_DIPNAME( 0x60, 0x40, "Terminal") PORT_DIPLOCATION("SW1:3,4") + PORT_DIPSETTING( 0x00, "110 baud" ) + PORT_DIPSETTING( 0x20, "300 baud" ) + PORT_DIPSETTING( 0x40, "1200 baud" ) + PORT_DIPSETTING( 0x60, "IVG09 (mc6845)" ) +INPUT_PORTS_END + +static INPUT_PORTS_START( ivg09 ) + PORT_START("DSW") + PORT_DIPNAME( 0x01, 0x00, "IRQ PTM") PORT_DIPLOCATION("SW1:1") + PORT_DIPSETTING( 0x01, DEF_STR(Off)) + PORT_DIPSETTING( 0x00, DEF_STR(On)) + PORT_DIPNAME( 0x02, 0x00, "IRQ ACIA") PORT_DIPLOCATION("SW1:2") + PORT_DIPSETTING( 0x02, DEF_STR(Off)) + PORT_DIPSETTING( 0x00, DEF_STR(On)) + PORT_DIPNAME( 0x60, 0x60, "Terminal") PORT_DIPLOCATION("SW1:3,4") + PORT_DIPSETTING( 0x00, "110 baud" ) + PORT_DIPSETTING( 0x20, "300 baud" ) + PORT_DIPSETTING( 0x40, "1200 baud" ) + PORT_DIPSETTING( 0x60, "IVG09 (mc6845)" ) +INPUT_PORTS_END + +MACHINE_RESET_MEMBER( tavernie_state, cpu09) +{ + m_term_data = 0; +} + +MACHINE_RESET_MEMBER( tavernie_state, ivg09) +{ + m_p_chargen = memregion("chargen")->base(); + m_beep->set_frequency(950); /* guess */ + m_beep->set_state(1); + m_term_data = 0; + m_pia_ivg->cb1_w(1); +} + +static SLOT_INTERFACE_START( ifd09_floppies ) + SLOT_INTERFACE( "525dd", FLOPPY_525_DD ) +SLOT_INTERFACE_END + +// can support 3 drives +WRITE8_MEMBER( tavernie_state::ds_w ) +{ + floppy_image_device *floppy = NULL; + if ((data & 3) == 1) floppy = m_floppy0->get_device(); + //if ((data & 3) == 2) floppy = m_floppy1->get_device(); + //if ((data & 3) == 3) floppy = m_floppy2->get_device(); + + m_fdc->set_floppy(floppy); + + if (floppy) + { + floppy->mon_w(0); + m_fdc->dden_w(!BIT(data, 2)); + } +} + + +MC6845_UPDATE_ROW( tavernie_state::crtc_update_row ) +{ + const rgb_t *palette = m_palette->palette()->entry_list_raw(); + UINT8 chr,gfx=0; + UINT16 mem,x; + UINT32 *p = &bitmap.pix32(y); + + for (x = 0; x < x_count; x++) + { + UINT8 inv=0; + if (x == cursor_x) inv=0xff; + mem = (ma + x) & 0xfff; + if (ra > 7) + gfx = inv; // some blank spacing lines + else + { + chr = m_p_videoram[mem]; + gfx = m_p_chargen[(chr<<4) | ra] ^ inv; + } + + /* Display a scanline of a character */ + *p++ = palette[BIT(gfx, 7)]; + *p++ = palette[BIT(gfx, 6)]; + *p++ = palette[BIT(gfx, 5)]; + *p++ = palette[BIT(gfx, 4)]; + *p++ = palette[BIT(gfx, 3)]; + *p++ = palette[BIT(gfx, 2)]; + *p++ = palette[BIT(gfx, 1)]; + *p++ = palette[BIT(gfx, 0)]; + } +} + + +READ8_MEMBER( tavernie_state::pa_r ) +{ + return ioport("DSW")->read() | m_pa; +} + + +/* +d0: A16 +d1: A17 (for 256kb expansion) +d2, d3, d4: to 40-pin port +d5: S3 +d6: S4 +d7: cassout +*/ +WRITE8_MEMBER( tavernie_state::pa_w ) +{ + m_pa = data & 0x9f; + m_cass->output(BIT(data, 7) ? -1.0 : +1.0); +} + +// centronics +WRITE8_MEMBER( tavernie_state::pb_w ) +{ +} + +// cass in +READ_LINE_MEMBER( tavernie_state::ca1_r ) +{ + return (m_cass->input() > +0.01); +} + +READ8_MEMBER( tavernie_state::pb_ivg_r ) +{ + UINT8 ret = m_term_data; + m_term_data = 0; + return ret; +} + +WRITE8_MEMBER( tavernie_state::pa_ivg_w ) +{ +// bits 0-3 are attribute bits +} + +WRITE8_MEMBER( tavernie_state::kbd_put ) +{ + m_term_data = data; + m_pia_ivg->cb1_w(0); + m_pia_ivg->cb1_w(1); +} + +WRITE_LINE_MEMBER( tavernie_state::write_acia_clock ) +{ + m_acia->write_txc(state); + m_acia->write_rxc(state); +} + +static MACHINE_CONFIG_START( cpu09, tavernie_state ) + /* basic machine hardware */ + MCFG_CPU_ADD("maincpu",M6809E, XTAL_4MHz) + MCFG_CPU_PROGRAM_MAP(cpu09_mem) + MCFG_MACHINE_RESET_OVERRIDE(tavernie_state, cpu09) + + /* sound hardware */ + MCFG_SPEAKER_STANDARD_MONO("mono") + MCFG_SOUND_WAVE_ADD(WAVE_TAG, "cassette") + MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25) + + /* Devices */ + MCFG_CASSETTE_ADD( "cassette" ) + + MCFG_DEVICE_ADD("pia", PIA6821, 0) + MCFG_PIA_READPA_HANDLER(READ8(tavernie_state, pa_r)) + MCFG_PIA_READCA1_HANDLER(READLINE(tavernie_state, ca1_r)) + MCFG_PIA_WRITEPA_HANDLER(WRITE8(tavernie_state, pa_w)) + MCFG_PIA_WRITEPB_HANDLER(WRITE8(tavernie_state, pb_w)) + MCFG_PIA_IRQA_HANDLER(DEVWRITELINE("maincpu", m6809e_device, irq_line)) + MCFG_PIA_IRQB_HANDLER(DEVWRITELINE("maincpu", m6809e_device, irq_line)) + + MCFG_DEVICE_ADD("ptm", PTM6840, 0) + // all i/o lines connect to the 40-pin expansion connector + MCFG_PTM6840_INTERNAL_CLOCK(XTAL_4MHz / 4) + MCFG_PTM6840_EXTERNAL_CLOCKS(0, 0, 0) + MCFG_PTM6840_OUT1_CB(INPUTLINE("maincpu", INPUT_LINE_NMI)) + MCFG_PTM6840_IRQ_CB(INPUTLINE("maincpu", M6809_IRQ_LINE)) + + MCFG_DEVICE_ADD("acia", ACIA6850, 0) + MCFG_ACIA6850_TXD_HANDLER(DEVWRITELINE("rs232", rs232_port_device, write_txd)) + MCFG_ACIA6850_RTS_HANDLER(DEVWRITELINE("rs232", rs232_port_device, write_rts)) + + MCFG_RS232_PORT_ADD("rs232", default_rs232_devices, "terminal") + MCFG_RS232_RXD_HANDLER(DEVWRITELINE("acia", acia6850_device, write_rxd)) + MCFG_RS232_CTS_HANDLER(DEVWRITELINE("acia", acia6850_device, write_cts)) + + MCFG_DEVICE_ADD("acia_clock", CLOCK, 153600) + MCFG_CLOCK_SIGNAL_HANDLER(WRITELINE(tavernie_state, write_acia_clock)) +MACHINE_CONFIG_END + +static MACHINE_CONFIG_DERIVED( ivg09, cpu09 ) + /* basic machine hardware */ + MCFG_CPU_MODIFY("maincpu") + MCFG_CPU_PROGRAM_MAP(ivg09_mem) + MCFG_MACHINE_RESET_OVERRIDE(tavernie_state, ivg09) + + /* video hardware */ + MCFG_SCREEN_ADD("screen", RASTER) + MCFG_SCREEN_REFRESH_RATE(50) + MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */ + MCFG_SCREEN_SIZE(80*8, 25*10) + MCFG_SCREEN_VISIBLE_AREA(0, 80*8-1, 0, 25*10-1) + MCFG_SCREEN_UPDATE_DEVICE("crtc", mc6845_device, screen_update) + MCFG_PALETTE_ADD_BLACK_AND_WHITE("palette") + MCFG_DEFAULT_LAYOUT(layout_tavernie) + + /* sound hardware */ + MCFG_SOUND_ADD("beeper", BEEP, 0) + MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50) + + /* Devices */ + MCFG_DEVICE_ADD(KEYBOARD_TAG, GENERIC_KEYBOARD, 0) + MCFG_GENERIC_KEYBOARD_CB(WRITE8(tavernie_state, kbd_put)) + + MCFG_MC6845_ADD("crtc", MC6845, "screen", 1008000) // unknown clock + MCFG_MC6845_SHOW_BORDER_AREA(false) + MCFG_MC6845_CHAR_WIDTH(8) + MCFG_MC6845_UPDATE_ROW_CB(tavernie_state, crtc_update_row) + + MCFG_DEVICE_ADD("pia_ivg", PIA6821, 0) + MCFG_PIA_READPB_HANDLER(READ8(tavernie_state, pb_ivg_r)) + MCFG_PIA_WRITEPA_HANDLER(WRITE8(tavernie_state, pa_ivg_w)) + MCFG_PIA_CB2_HANDLER(DEVWRITELINE("beeper", beep_device, set_state)) + + MCFG_FD1795_ADD("fdc", XTAL_8MHz / 8) + MCFG_FLOPPY_DRIVE_ADD("fdc:0", ifd09_floppies, "525dd", floppy_image_device::default_floppy_formats) + MCFG_FLOPPY_DRIVE_SOUND(true) +MACHINE_CONFIG_END + +/* ROM definition */ +ROM_START( cpu09 ) + ROM_REGION( 0x1000, "roms", 0 ) + ROM_LOAD( "tavbug.bin", 0x0000, 0x1000, CRC(77945cae) SHA1(d89b577bc0b4e15e9a49a849998681bdc6cf5fbe) ) +ROM_END + +ROM_START( ivg09 ) + ROM_REGION( 0x19f0, "roms", 0 ) + ROM_LOAD( "tavbug.bin", 0x0000, 0x1000, CRC(77945cae) SHA1(d89b577bc0b4e15e9a49a849998681bdc6cf5fbe) ) + // these 2 are not used. Boottav is copied to ram at c100 + ROM_LOAD_OPTIONAL( "promon.bin", 0x1000, 0x0800, CRC(43256bf2) SHA1(e81acb5b659d50d7b019b97ad5d2a8f129da39f6) ) + ROM_LOAD_OPTIONAL( "boottav.bin", 0x1800, 0x01f0, CRC(ae1a858d) SHA1(ab2144a00afd5b75c6dcb15c2c3f9d6910a159ae) ) + + // charrom is missing, using one from 'c10' for now + ROM_REGION( 0x2000, "chargen", 0 ) + ROM_LOAD( "c10_char.bin", 0x0000, 0x2000, BAD_DUMP CRC(cb530b6f) SHA1(95590bbb433db9c4317f535723b29516b9b9fcbf)) +ROM_END + +/* Driver */ + +/* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */ +COMP( 1982, cpu09, 0, 0, cpu09, cpu09, driver_device, 0, "C. Tavernier", "CPU09", MACHINE_NOT_WORKING ) +COMP( 1983, ivg09, cpu09, 0, ivg09, ivg09, driver_device, 0, "C. Tavernier", "CPU09 with IVG09 and IFD09", MACHINE_NOT_WORKING ) |