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Diffstat (limited to 'src/mame/drivers/ht68k.cpp')
-rw-r--r-- | src/mame/drivers/ht68k.cpp | 168 |
1 files changed, 0 insertions, 168 deletions
diff --git a/src/mame/drivers/ht68k.cpp b/src/mame/drivers/ht68k.cpp deleted file mode 100644 index 27e2d99c0a7..00000000000 --- a/src/mame/drivers/ht68k.cpp +++ /dev/null @@ -1,168 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Miodrag Milanovic -/*************************************************************************** - - Hawthorne Technology TinyGiant HT68k - - 29/11/2009 Skeleton driver. - -Monitor commands (from ht68k manual) (must be in Uppercase) -B Load binary file from disk. -C Compare memory. -D Display memory in Hex and ASCII. -E Examine and/or change memory (2 bytes). (. to escape) -F Fill a block of memory with a value. -G Go to an address and execute program. -K Peek. -L Load program from serial port. -M Move memory. -P Poke. -R Read binary file from disk. -S System boot. -T Test printer. -W Write binary file to disk. -X Examine long and/or change memory (4 bytes). (. to escape) - - -Lot of infos available at: http://www.classiccmp.org/cini/ht68k.htm - -****************************************************************************/ - -#include "emu.h" -#include "bus/rs232/rs232.h" -#include "cpu/m68000/m68000.h" -#include "imagedev/floppy.h" -#include "machine/mc68681.h" -#include "machine/wd_fdc.h" -#include "softlist.h" - -class ht68k_state : public driver_device -{ -public: - ht68k_state(const machine_config &mconfig, device_type type, const char *tag) - : driver_device(mconfig, type, tag), - m_maincpu(*this, "maincpu"), - m_duart(*this, "duart68681"), - m_fdc(*this, "wd1770"), - m_floppy0(*this, "wd1770:0"), - m_floppy1(*this, "wd1770:1"), - m_floppy2(*this, "wd1770:2"), - m_floppy3(*this, "wd1770:3"), - m_floppy(nullptr), - m_p_ram(*this, "p_ram") - { - } - - void ht68k(machine_config &config); - -private: - required_device<cpu_device> m_maincpu; - required_device<mc68681_device> m_duart; - required_device<wd1770_device> m_fdc; - required_device<floppy_connector> m_floppy0; - required_device<floppy_connector> m_floppy1; - required_device<floppy_connector> m_floppy2; - required_device<floppy_connector> m_floppy3; - floppy_image_device *m_floppy; - DECLARE_WRITE_LINE_MEMBER(duart_irq_handler); - DECLARE_WRITE_LINE_MEMBER(duart_txb); - DECLARE_WRITE8_MEMBER(duart_output); - required_shared_ptr<uint16_t> m_p_ram; - virtual void machine_reset() override; - void ht68k_mem(address_map &map); -}; - - -void ht68k_state::ht68k_mem(address_map &map) -{ - map.unmap_value_high(); - map(0x00000000, 0x0007ffff).ram().share("p_ram"); // 512 KB RAM / ROM at boot - //map(0x00080000, 0x000fffff) // Expansion - //map(0x00d80000, 0x00d8ffff) // Printer - map(0x00e00000, 0x00e00007).mirror(0xfff8).rw(m_fdc, FUNC(wd1770_device::read), FUNC(wd1770_device::write)).umask16(0x00ff); // FDC WD1770 - map(0x00e80000, 0x00e800ff).mirror(0xff00).rw(m_duart, FUNC(mc68681_device::read), FUNC(mc68681_device::write)).umask16(0x00ff); - map(0x00f00000, 0x00f07fff).rom().mirror(0xf8000).region("bios", 0); -} - -/* Input ports */ -static INPUT_PORTS_START( ht68k ) -INPUT_PORTS_END - -void ht68k_state::machine_reset() -{ - uint8_t *bios = memregion("bios")->base(); - - memcpy((uint8_t*)m_p_ram.target(),bios,0x8000); - - m_fdc->reset(); - m_fdc->set_floppy(nullptr); -} - -WRITE_LINE_MEMBER(ht68k_state::duart_irq_handler) -{ - m_maincpu->set_input_line(M68K_IRQ_3, state); -} - -WRITE_LINE_MEMBER(ht68k_state::duart_txb) -{ - //This is the second serial channel named AUX, for modem or other serial devices. -} - -WRITE8_MEMBER(ht68k_state::duart_output) -{ - m_floppy = nullptr; - - if ((BIT(data, 7)) == 0) { m_floppy = m_floppy0->get_device(); } - if ((BIT(data, 6)) == 0) { m_floppy = m_floppy1->get_device(); } - if ((BIT(data, 5)) == 0) { m_floppy = m_floppy2->get_device(); } - if ((BIT(data, 4)) == 0) { m_floppy = m_floppy3->get_device(); } - - m_fdc->set_floppy(m_floppy); - - if (m_floppy) {m_floppy->ss_w(BIT(data,3) ? 0 : 1);} -} - -static void ht68k_floppies(device_slot_interface &device) -{ - device.option_add("525dd", FLOPPY_525_DD); -} - - -void ht68k_state::ht68k(machine_config &config) -{ - /* basic machine hardware */ - M68000(config, m_maincpu, 8_MHz_XTAL); - m_maincpu->set_addrmap(AS_PROGRAM, &ht68k_state::ht68k_mem); - - /* video hardware */ - MC68681(config, m_duart, 8_MHz_XTAL / 2); - m_duart->set_clocks(500000, 500000, 1000000, 1000000); - m_duart->irq_cb().set(FUNC(ht68k_state::duart_irq_handler)); - m_duart->a_tx_cb().set("rs232", FUNC(rs232_port_device::write_txd)); - m_duart->b_tx_cb().set(FUNC(ht68k_state::duart_txb)); - m_duart->outport_cb().set(FUNC(ht68k_state::duart_output)); - - rs232_port_device &rs232(RS232_PORT(config, "rs232", default_rs232_devices, "terminal")); - rs232.rxd_handler().set(m_duart, FUNC(mc68681_device::rx_a_w)); - - WD1770(config, m_fdc, 8_MHz_XTAL); - - FLOPPY_CONNECTOR(config, "wd1770:0", ht68k_floppies, "525dd", floppy_image_device::default_floppy_formats); - FLOPPY_CONNECTOR(config, "wd1770:1", ht68k_floppies, "525dd", floppy_image_device::default_floppy_formats); - FLOPPY_CONNECTOR(config, "wd1770:2", ht68k_floppies, "525dd", floppy_image_device::default_floppy_formats); - FLOPPY_CONNECTOR(config, "wd1770:3", ht68k_floppies, "525dd", floppy_image_device::default_floppy_formats); - - SOFTWARE_LIST(config, "flop525_list").set_original("ht68k"); -} - -/* ROM definition */ -ROM_START( ht68k ) - ROM_REGION16_BE( 0x8000, "bios", ROMREGION_ERASEFF ) - ROM_LOAD16_BYTE( "ht68k-u4.bin", 0x0001, 0x4000, CRC(3fbcdd0a) SHA1(45fcbbf920dc1e9eada3b7b0a55f5720d08ffdd5)) - ROM_LOAD16_BYTE( "ht68k-u3.bin", 0x0000, 0x4000, CRC(1d85d101) SHA1(8ba01e1595b0b3c4fb128a4a50242f3588b89c43)) -ROM_END - -/* Driver */ - -// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS -COMP( 1987, ht68k, 0, 0, ht68k, ht68k, ht68k_state, empty_init, "Hawthorne Technology", "TinyGiant HT68k", MACHINE_NO_SOUND) |