diff options
Diffstat (limited to 'src/mame/drivers/br8641.c')
-rw-r--r-- | src/mame/drivers/br8641.c | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/src/mame/drivers/br8641.c b/src/mame/drivers/br8641.c new file mode 100644 index 00000000000..671aeab491d --- /dev/null +++ b/src/mame/drivers/br8641.c @@ -0,0 +1,200 @@ +// license:BSD-3-Clause +// copyright-holders:Miodrag Milanovic, Robbbert +/*************************************************************************** + + Brandt 8641 + + Currency Counter + + 2012-12-24 Skeleton driver. [Micko] + 2015-09-27 Added devices & inputs based entirely on guesswork [Robbbert] + + There seems to be 15 buttons (according to images, I just have board) + also there are 8 dips currently set at 00011100 (1 is on) + + Looks like a LCD display? I think ports 8 & 9 write to it. Also looks + like the display should say 8641 when machine is turned on. + +ToDo: +- Need manuals, schematics, etc. +- Artwork +- Everything + +****************************************************************************/ + +#include "emu.h" +#include "cpu/z80/z80.h" +#include "cpu/z80/z80daisy.h" +#include "machine/z80ctc.h" +#include "machine/z80pio.h" +#include "sound/beep.h" + +class brandt8641_state : public driver_device +{ +public: + brandt8641_state(const machine_config &mconfig, device_type type, const char *tag) + : driver_device(mconfig, type, tag) + , m_maincpu(*this, "maincpu") + , m_pio1(*this, "pio1") + , m_pio2(*this, "pio2") + , m_pio3(*this, "pio3") + , m_ctc(*this, "ctc") + , m_io_keyboard(*this, "KEY") + , m_beep(*this, "beeper") + { } + + DECLARE_READ8_MEMBER(port08_r); + DECLARE_WRITE8_MEMBER(port08_w); + DECLARE_WRITE8_MEMBER(port09_w); + DECLARE_MACHINE_RESET(br8641); + +private: + UINT8 m_port08; + UINT8 m_port09; + required_device<cpu_device> m_maincpu; + required_device<z80pio_device> m_pio1; + required_device<z80pio_device> m_pio2; + required_device<z80pio_device> m_pio3; + required_device<z80ctc_device> m_ctc; + required_ioport_array<8> m_io_keyboard; + required_device<beep_device> m_beep; +}; + +static ADDRESS_MAP_START(brandt8641_mem, AS_PROGRAM, 8, brandt8641_state) + ADDRESS_MAP_UNMAP_HIGH + AM_RANGE(0x0000, 0x7fff) AM_ROM // 27256 at U12 + AM_RANGE(0x8000, 0x9fff) AM_RAM // 8KB static ram 6264 at U12 +ADDRESS_MAP_END + +static ADDRESS_MAP_START(brandt8641_io, AS_IO, 8, brandt8641_state) + ADDRESS_MAP_UNMAP_HIGH + ADDRESS_MAP_GLOBAL_MASK(0xff) + AM_RANGE(0x04, 0x07) AM_DEVREADWRITE("pio1", z80pio_device, read, write) + AM_RANGE(0x08, 0x0b) AM_DEVREADWRITE("pio2", z80pio_device, read, write) + AM_RANGE(0x0c, 0x0f) AM_DEVREADWRITE("pio3", z80pio_device, read, write) + AM_RANGE(0x10, 0x13) AM_DEVREADWRITE("ctc", z80ctc_device, read, write) + AM_RANGE(0x1E, 0x1F) AM_WRITENOP // unknown device +ADDRESS_MAP_END + +/* Input ports */ +// No idea what each key does +static INPUT_PORTS_START( brandt8641 ) + PORT_START("KEY.0") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_A) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_B) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_C) + + PORT_START("KEY.1") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_D) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_E) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F) + + PORT_START("KEY.2") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_G) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_H) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_I) + + PORT_START("KEY.3") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_J) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_K) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_L) + + PORT_START("KEY.4") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_M) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_N) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_O) + + PORT_START("KEY.5") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_P) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Q) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_R) + + PORT_START("KEY.6") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_S) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_T) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_U) + + PORT_START("KEY.7") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_V) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_W) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_X) +INPUT_PORTS_END + +READ8_MEMBER( brandt8641_state::port08_r ) +{ + UINT8 i, data = 7; + + for (i = 0; i < 8; i++) + if BIT(m_port09, i) + data &= m_io_keyboard[i]->read(); + + return data | m_port08; +} + +WRITE8_MEMBER( brandt8641_state::port08_w ) +{ + m_port08 = data & 0xf8; + m_beep->set_state(BIT(data, 4)); +} + +WRITE8_MEMBER( brandt8641_state::port09_w ) +{ + m_port09 = data ^ 0xff; +} + +MACHINE_RESET_MEMBER( brandt8641_state, br8641 ) +{ + m_beep->set_frequency(2000); +} + +static const z80_daisy_config daisy_chain_intf[] = +{ + { "pio1" }, + { "pio2" }, + { "pio3" }, + { "ctc" }, + { NULL } +}; + + + +static MACHINE_CONFIG_START( brandt8641, brandt8641_state ) + /* basic machine hardware */ + MCFG_CPU_ADD("maincpu", Z80, XTAL_4MHz) // U4 ,4MHz crystal on board + MCFG_CPU_PROGRAM_MAP(brandt8641_mem) + MCFG_CPU_IO_MAP(brandt8641_io) + MCFG_CPU_CONFIG(daisy_chain_intf) + + MCFG_MACHINE_RESET_OVERRIDE(brandt8641_state, br8641) + + /* sound hardware */ + MCFG_SPEAKER_STANDARD_MONO("mono") + MCFG_SOUND_ADD("beeper", BEEP, 0) + MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50) + + // Z80APIO U9 + // Z80APIO U14 + // Z80PIO U7 - unknown which is which + MCFG_DEVICE_ADD("pio1", Z80PIO, XTAL_4MHz) + MCFG_Z80PIO_OUT_INT_CB(INPUTLINE("maincpu", INPUT_LINE_IRQ0)) + + MCFG_DEVICE_ADD("pio2", Z80PIO, XTAL_4MHz) + MCFG_Z80PIO_OUT_INT_CB(INPUTLINE("maincpu", INPUT_LINE_IRQ0)) + MCFG_Z80PIO_IN_PA_CB(READ8(brandt8641_state, port08_r)) + MCFG_Z80PIO_OUT_PA_CB(WRITE8(brandt8641_state, port08_w)) + MCFG_Z80PIO_OUT_PB_CB(WRITE8(brandt8641_state, port09_w)) + + MCFG_DEVICE_ADD("pio3", Z80PIO, XTAL_4MHz) + MCFG_Z80PIO_OUT_INT_CB(INPUTLINE("maincpu", INPUT_LINE_IRQ0)) + + MCFG_DEVICE_ADD("ctc", Z80CTC, XTAL_4MHz) // Z80CTC U8 +MACHINE_CONFIG_END + +/* ROM definition */ +ROM_START( br8641 ) + ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) + ROM_LOAD( "v0911he.u11", 0x0000, 0x8000, CRC(59a16951) SHA1(893dba60ec8bfa391fb2d2a30db5d42d601f5eb9)) +ROM_END + +/* Driver */ +COMP( 1986, br8641, 0, 0, brandt8641, brandt8641, driver_device, 0, "Brandt", "Brandt 8641", MACHINE_NOT_WORKING ) |