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Diffstat (limited to 'src/mess/drivers/ht68k.c')
-rw-r--r-- | src/mess/drivers/ht68k.c | 160 |
1 files changed, 0 insertions, 160 deletions
diff --git a/src/mess/drivers/ht68k.c b/src/mess/drivers/ht68k.c deleted file mode 100644 index 203ec4c8280..00000000000 --- a/src/mess/drivers/ht68k.c +++ /dev/null @@ -1,160 +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 "bus/rs232/rs232.h" -#include "cpu/m68000/m68000.h" -#include "machine/mc68681.h" -#include "machine/wd_fdc.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(NULL), - m_p_ram(*this, "p_ram") - { - } - - required_device<cpu_device> m_maincpu; - required_device<mc68681_device> m_duart; - required_device<wd1770_t> 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> m_p_ram; - virtual void machine_reset(); -}; - - -static ADDRESS_MAP_START(ht68k_mem, AS_PROGRAM, 16, ht68k_state) - ADDRESS_MAP_UNMAP_HIGH - AM_RANGE(0x00000000, 0x0007ffff) AM_RAM AM_SHARE("p_ram") // 512 KB RAM / ROM at boot - //AM_RANGE(0x00080000, 0x000fffff) // Expansion - //AM_RANGE(0x00d80000, 0x00d8ffff) // Printer - AM_RANGE(0x00e00000, 0x00e00007) AM_MIRROR(0xfff8) AM_DEVREADWRITE8("wd1770", wd1770_t, read, write, 0x00ff) // FDC WD1770 - AM_RANGE(0x00e80000, 0x00e800ff) AM_MIRROR(0xff00) AM_DEVREADWRITE8("duart68681", mc68681_device, read, write, 0xff ) - AM_RANGE(0x00f00000, 0x00f07fff) AM_ROM AM_MIRROR(0xf8000) AM_REGION("user1",0) -ADDRESS_MAP_END - -/* Input ports */ -static INPUT_PORTS_START( ht68k ) -INPUT_PORTS_END - -void ht68k_state::machine_reset() -{ - UINT8* user1 = memregion("user1")->base(); - - memcpy((UINT8*)m_p_ram.target(),user1,0x8000); - - m_maincpu->reset(); - - m_fdc->reset(); - m_fdc->set_floppy(NULL); -} - -WRITE_LINE_MEMBER(ht68k_state::duart_irq_handler) -{ - m_maincpu->set_input_line_and_vector(M68K_IRQ_3, state, M68K_INT_ACK_AUTOVECTOR); -} - -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 = NULL; - - 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 SLOT_INTERFACE_START( ht68k_floppies ) - SLOT_INTERFACE( "525dd", FLOPPY_525_DD ) -SLOT_INTERFACE_END - - -static MACHINE_CONFIG_START( ht68k, ht68k_state ) - /* basic machine hardware */ - MCFG_CPU_ADD("maincpu",M68000, XTAL_8MHz) - MCFG_CPU_PROGRAM_MAP(ht68k_mem) - - /* video hardware */ - MCFG_MC68681_ADD( "duart68681", XTAL_8MHz / 2 ) - MCFG_MC68681_SET_EXTERNAL_CLOCKS(500000, 500000, 1000000, 1000000) - MCFG_MC68681_IRQ_CALLBACK(WRITELINE(ht68k_state, duart_irq_handler)) - MCFG_MC68681_A_TX_CALLBACK(DEVWRITELINE("rs232", rs232_port_device, write_txd)) - MCFG_MC68681_B_TX_CALLBACK(WRITELINE(ht68k_state, duart_txb)) - MCFG_MC68681_OUTPORT_CALLBACK(WRITE8(ht68k_state, duart_output)) - - MCFG_RS232_PORT_ADD("rs232", default_rs232_devices, "terminal") - MCFG_RS232_RXD_HANDLER(DEVWRITELINE("duart68681", mc68681_device, rx_a_w)) - - MCFG_WD1770_ADD("wd1770", XTAL_8MHz ) - - MCFG_FLOPPY_DRIVE_ADD("wd1770:0", ht68k_floppies, "525dd", floppy_image_device::default_floppy_formats) - MCFG_FLOPPY_DRIVE_ADD("wd1770:1", ht68k_floppies, "525dd", floppy_image_device::default_floppy_formats) - MCFG_FLOPPY_DRIVE_ADD("wd1770:2", ht68k_floppies, "525dd", floppy_image_device::default_floppy_formats) - MCFG_FLOPPY_DRIVE_ADD("wd1770:3", ht68k_floppies, "525dd", floppy_image_device::default_floppy_formats) - - MCFG_SOFTWARE_LIST_ADD("flop525_list", "ht68k") -MACHINE_CONFIG_END - -/* ROM definition */ -ROM_START( ht68k ) - ROM_REGION( 0x8000, "user1", ROMREGION_ERASEFF ) - ROM_LOAD16_BYTE( "ht68k-u4.bin", 0x0000, 0x4000, CRC(3fbcdd0a) SHA1(45fcbbf920dc1e9eada3b7b0a55f5720d08ffdd5)) - ROM_LOAD16_BYTE( "ht68k-u3.bin", 0x0001, 0x4000, CRC(1d85d101) SHA1(8ba01e1595b0b3c4fb128a4a50242f3588b89c43)) -ROM_END - -/* Driver */ - -/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */ -COMP( 1987, ht68k, 0, 0, ht68k, ht68k, driver_device, 0, "Hawthorne Technology", "TinyGiant HT68k", MACHINE_NO_SOUND) |