diff options
Diffstat (limited to 'src/mame/drivers/dsb46.cpp')
-rw-r--r-- | src/mame/drivers/dsb46.cpp | 147 |
1 files changed, 0 insertions, 147 deletions
diff --git a/src/mame/drivers/dsb46.cpp b/src/mame/drivers/dsb46.cpp deleted file mode 100644 index 1f2261409f2..00000000000 --- a/src/mame/drivers/dsb46.cpp +++ /dev/null @@ -1,147 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Curt Coder, Robbbert -/******************************************************************************************************************** - -2013-07-31 Skeleton Driver [Curt Coder] -2013-07-31 Connected to terminal [Robbbert] -2016-07-11 After 10 seconds the monitor program will start [Robbbert] - -Commands: (no spaces allowed) -B - Boot the disk -D - Dump memory to screen -F - Fill Memory -G - Go To -H - Help -P - Alter port values -S - Alter memory - - -The photos show 3 boards: -- A "SASI Interface" board (all 74-series TTL) -- CPU board (64k dynamic RAM, Z80A CPU, 2x Z80CTC, 2x Z80SIO/0, MB8877A, Z80DMA, 4x MC1488, - 4x MC1489, XTALS 1.8432MHz and 24MHz) -- ADES board (Adaptec Inc AIC-100, AIC-250, AIC-300, Intel D8085AH, unknown crystal) - - -********************************************************************************************************************/ - - -#include "emu.h" -#include "cpu/z80/z80.h" -#include "machine/z80daisy.h" -#include "machine/z80ctc.h" -#include "machine/z80sio.h" -#include "bus/rs232/rs232.h" - - -class dsb46_state : public driver_device -{ -public: - dsb46_state(const machine_config &mconfig, device_type type, const char *tag) - : driver_device(mconfig, type, tag) - , m_maincpu(*this, "maincpu") - { } - - void dsb46(machine_config &config); - - void init_dsb46(); - -protected: - virtual void machine_reset() override; - -private: - DECLARE_WRITE8_MEMBER(port1a_w); - void dsb46_io(address_map &map); - void dsb46_mem(address_map &map); - required_device<z80_device> m_maincpu; -}; - -void dsb46_state::dsb46_mem(address_map &map) -{ - map(0x0000, 0x07ff).bankr("read").bankw("write"); - map(0x0800, 0xffff).ram(); -} - -void dsb46_state::dsb46_io(address_map &map) -{ - map.global_mask(0xff); - map.unmap_value_high(); - map(0x00, 0x03).rw("sio", FUNC(z80sio_device::ba_cd_r), FUNC(z80sio_device::ba_cd_w)); - map(0x08, 0x0b).rw("ctc1", FUNC(z80ctc_device::read), FUNC(z80ctc_device::write)); - map(0x1a, 0x1a).w(FUNC(dsb46_state::port1a_w)); - //map(0x10, 0x10) disk related - //map(0x14, 0x14) ?? (read after CTC1 TRG3) - //map(0x18, 0x18) ?? - //map(0x1c, 0x1c) disk data - //map(0x1d, 0x1d) disk status (FF = no fdc) -} - -static INPUT_PORTS_START( dsb46 ) -INPUT_PORTS_END - -void dsb46_state::init_dsb46() -{ - uint8_t *RAM = memregion("maincpu")->base(); - membank("read")->configure_entry(0, &RAM[0x10000]); - membank("read")->configure_entry(1, &RAM[0x00000]); - membank("write")->configure_entry(0, &RAM[0x00000]); -} - -void dsb46_state::machine_reset() -{ - membank("read")->set_entry(0); - membank("write")->set_entry(0); - m_maincpu->reset(); -} - -WRITE8_MEMBER( dsb46_state::port1a_w ) -{ - membank("read")->set_entry(data & 1); -} - -static const z80_daisy_config daisy_chain[] = -{ - { "ctc1" }, - { "sio" }, - { nullptr } -}; - - -void dsb46_state::dsb46(machine_config &config) -{ - // basic machine hardware - Z80(config, m_maincpu, 24_MHz_XTAL / 6); - m_maincpu->set_addrmap(AS_PROGRAM, &dsb46_state::dsb46_mem); - m_maincpu->set_addrmap(AS_IO, &dsb46_state::dsb46_io); - m_maincpu->set_daisy_config(daisy_chain); - - /* Devices */ - z80sio_device& sio(Z80SIO(config, "sio", 24_MHz_XTAL / 6)); - sio.out_int_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0); - sio.out_txda_callback().set("rs232", FUNC(rs232_port_device::write_txd)); - sio.out_dtra_callback().set("rs232", FUNC(rs232_port_device::write_dtr)); - sio.out_rtsa_callback().set("rs232", FUNC(rs232_port_device::write_rts)); - - rs232_port_device &rs232(RS232_PORT(config, "rs232", default_rs232_devices, "terminal")); - rs232.rxd_handler().set("sio", FUNC(z80sio_device::rxa_w)); - rs232.cts_handler().set("sio", FUNC(z80sio_device::ctsa_w)); - - z80ctc_device &ctc1(Z80CTC(config, "ctc1", 24_MHz_XTAL / 6)); - ctc1.intr_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0); - ctc1.set_clk<0>(1.8432_MHz_XTAL); - ctc1.zc_callback<0>().set("sio", FUNC(z80sio_device::rxca_w)); - ctc1.zc_callback<0>().append("sio", FUNC(z80sio_device::txca_w)); - ctc1.set_clk<2>(1.8432_MHz_XTAL); - ctc1.zc_callback<2>().set("sio", FUNC(z80sio_device::rxcb_w)); - ctc1.zc_callback<2>().append("sio", FUNC(z80sio_device::txcb_w)); -} - -ROM_START( dsb46 ) - ROM_REGION( 0x10800, "maincpu", 0 ) - ROM_LOAD( "1538a.bin", 0x10000, 0x800, CRC(65b3e26e) SHA1(afe1f03f266b7d13fdb1f1bc6762df5e0aa5c764) ) - - ROM_REGION( 0x4000, "ades", 0 ) - ROM_LOAD( "ades.bin", 0x0000, 0x4000, CRC(d374abf0) SHA1(331f51a2bb81375aeffbe63c1ebc1d7cd779b9c3) ) -ROM_END - -COMP( 198?, dsb46, 0, 0, dsb46, dsb46, dsb46_state, init_dsb46, "Davidge", "DSB-4/6", MACHINE_NOT_WORKING | MACHINE_NO_SOUND_HW ) |