/
lux21046.cpp
1119 lines (884 loc) · 32.8 KB
/
lux21046.cpp
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// license:BSD-3-Clause
// copyright-holders:Curt Coder
/**********************************************************************
Luxor 55 21046-11/-21/-41 5.25"/8" Controller Card emulation
*********************************************************************/
/*
Luxor Conkort
PCB Layout
----------
55 11046-03
|-----------------------------------|
| LD1 SW1 CON2 |
| |
| CON3 S8 |
| S9 |
| LS240 LS174 7406 7406 |
| |
| LS174 FDC9229 LS107 LS266 |
| |
| |
| SAB1793 |
| LS368 16MHz |
| S6 |
| Z80DMA ROM |
| |
| |
| Z80 TC5565 |
| |
| |
| LS138 LS174 SW2 74374 |
| |
| LS10 LS266 S5 LS374 |
| S3 |
| PAL* S1 LS240 |
| |
| LS125* LS244 SW3 DM8131 |
| |
| |
|--|-----------------------------|--|
|------------CON1-------------|
Notes:
All IC's shown. (* only stocked when used with the ABC 1600 computer)
ROM - Toshiba TMM27128D-20 16Kx8 EPROM "CNTR 1.07 6490318-07"
PAL - PAL16R4
TC5565 - Toshiba TC5565PL-15 8Kx8 bit Static RAM
Z80 - Zilog Z8400APS Z80A CPU
Z80DMA - Zilog Z8410APS Z80A DMA
SAB1793 - Siemens SAB1793-02P Floppy Disc Controller
FDC9229 - SMC FDC9229BT Floppy Disc Interface Circuit
DM8131 - National Semiconductor DM8131N 6-Bit Unified Bus Comparator
CON1 - ABC bus connector
CON2 - 25-pin D sub floppy connector (AMP4284)
CON3 - 34-pin header floppy connector
SW1 - Disk drive type (SS/DS, SD/DD)
SW2 - Disk drive model
SW3 - ABC bus address
S1 - Interface type (A:ABC1600 B:ABCBUS)
S3 - Interface type (A:ABC1600 B:ABCBUS)
S5 - Interface type (A:ABC1600 B:ABCBUS)
S6 - Amount of RAM installed (A:2KB, B:8KB)
S7 - Number of drives connected (0:3, 1:2) *located on solder side
S8 - Disk drive type (0:8", 1:5.25")
S9 - Location of RDY signal (A:8" P2-6, B:5.25" P2-34)
LD1 - LED
*/
#include "emu.h"
#include "lux21046.h"
#include "formats/abc800_dsk.h"
#include "formats/abc800i_dsk.h"
//**************************************************************************
// MACROS / CONSTANTS
//**************************************************************************
#define Z80_TAG "5ab"
#define Z80DMA_TAG "6ab"
#define SAB1793_TAG "7ab"
#define FDC9229_TAG "8b"
//**************************************************************************
// DEVICE DEFINITIONS
//**************************************************************************
DEFINE_DEVICE_TYPE(LUXOR_55_21046, luxor_55_21046_device, "lux21046", "Luxor 55 21046")
DEFINE_DEVICE_TYPE(ABC830, abc830_device, "abc830", "ABC 830")
DEFINE_DEVICE_TYPE(ABC832, abc832_device, "abc832", "ABC 832")
DEFINE_DEVICE_TYPE(ABC834, abc834_device, "abc834", "ABC 834")
DEFINE_DEVICE_TYPE(ABC838, abc838_device, "abc838", "ABC 838")
DEFINE_DEVICE_TYPE(ABC850_FLOPPY, abc850_floppy_device, "abc850flop", "ABC 850 Floppy")
//-------------------------------------------------
// ROM( luxor_55_21046 )
//-------------------------------------------------
ROM_START( luxor_55_21046 )
ROM_REGION( 0x4000, Z80_TAG, 0 )
ROM_DEFAULT_BIOS( "v207" )
ROM_SYSTEM_BIOS( 0, "v105", "Luxor v1.05 (1984-10-04)" )
ROMX_LOAD( "cntr 105.6cd", 0x2000, 0x2000, CRC(44043025) SHA1(17487ca35b399bb49d4015bbeede0809db8e772f), ROM_BIOS(0) )
ROM_SYSTEM_BIOS( 1, "v106", "Luxor v1.06 (1984-12-13)" )
ROMX_LOAD( "6490318-06.6cd", 0x2000, 0x2000, CRC(7f4726c9) SHA1(cf576456f135877537c5ee56b00a7259160d2c56), ROM_BIOS(1) )
ROM_SYSTEM_BIOS( 2, "v107", "Luxor v1.07 (1985-07-03)" )
ROMX_LOAD( "cntr 1.07 6490318-07.6cd", 0x0000, 0x4000, CRC(db8c1c0e) SHA1(8bccd5bc72124984de529ee058df779f06d2c1d5), ROM_BIOS(2) )
ROM_SYSTEM_BIOS( 3, "v108", "Luxor v1.08 (1986-03-12)" )
ROMX_LOAD( "cntr 108.6cd", 0x2000, 0x2000, CRC(229764cb) SHA1(a2e2f6f49c31b827efc62f894de9a770b65d109d), ROM_BIOS(3) )
ROM_SYSTEM_BIOS( 4, "v207", "DiAB v2.07 (1987-06-24)" )
ROMX_LOAD( "diab 207.6cd", 0x2000, 0x2000, CRC(86622f52) SHA1(61ad271de53152c1640c0b364fce46d1b0b4c7e2), ROM_BIOS(4) )
ROM_REGION( 0x104, "plds", 0 )
ROM_LOAD( "pal16r4.2a", 0x000, 0x104, NO_DUMP)
ROM_END
//-------------------------------------------------
// rom_region - device-specific ROM region
//-------------------------------------------------
const tiny_rom_entry *luxor_55_21046_device::device_rom_region() const
{
return ROM_NAME( luxor_55_21046 );
}
//-------------------------------------------------
// ADDRESS_MAP( luxor_55_21046_mem )
//-------------------------------------------------
void luxor_55_21046_device::luxor_55_21046_mem(address_map &map)
{
map.unmap_value_high();
map.global_mask(0x3fff);
map(0x0000, 0x1fff).rom().region(Z80_TAG, 0x2000); // A13 pull-up
map(0x2000, 0x3fff).ram();
}
//-------------------------------------------------
// ADDRESS_MAP( luxor_55_21046_io )
//-------------------------------------------------
void luxor_55_21046_device::luxor_55_21046_io(address_map &map)
{
map.unmap_value_high();
map(0x0c, 0x0c).mirror(0xff03).r(FUNC(luxor_55_21046_device::out_r));
map(0x1c, 0x1c).mirror(0xff03).w(FUNC(luxor_55_21046_device::inp_w));
map(0x2c, 0x2c).mirror(0xff03).w(FUNC(luxor_55_21046_device::_4b_w));
map(0x3c, 0x3c).mirror(0xff03).w(FUNC(luxor_55_21046_device::_9b_w));
map(0x4c, 0x4c).mirror(0xff03).w(FUNC(luxor_55_21046_device::_8a_w));
map(0x58, 0x58).mirror(0x0007).select(0xff00).r(FUNC(luxor_55_21046_device::_9a_r));
map(0x68, 0x6b).mirror(0xff00).r(m_fdc, FUNC(fd1793_device::read));
map(0x78, 0x7b).mirror(0xff00).w(m_fdc, FUNC(fd1793_device::write));
map(0x80, 0x80).mirror(0xff77).rw(m_dma, FUNC(z80dma_device::read), FUNC(z80dma_device::write));
}
//-------------------------------------------------
// Z80DMA
//-------------------------------------------------
/*
DMA Transfer Programs
READ DAM
--------
7D 45 21 05 00 C3 14 28 95 6B 02 8A CF 01 AF CF 87
7D transfer mode, port A -> port B, port A starting address follows, block length follows
45 port A starting address low byte = 45
21 port A starting address high byte = 21
05 block length low byte = 05
00 block length high byte = 00
C3 reset
14 port A is memory, port A address increments
28 port B is I/O, port B address fixed
95 byte mode, port B starting address low byte follows, interrupt control byte follows
6B port B starting address low byte = 6B (FDC DATA read)
02 interrupt at end of block
8A ready active high
CF load
01 transfer B->A
AF disable interrupts
CF load
87 enable DMA
WRITE TO DISK
-------------
C3 14 28 95 7B 02 8A CF 05 AF CF 87
C3 reset
14 port A is memory, port A address increments
28 port B is I/O, port B address fixed
95 byte mode, port B starting address low follows, interrupt control byte follows
7B port B starting address 0x007B (FDC DATA write)
02 interrupt at end of block
8A ready active high
CF load
05 transfer A->B
AF disable interrupts
CF load
87 enable DMA
??
--
C3 91 40 8A AB
C3 reset
91 byte mode, interrupt control byte follows
40 interrupt on RDY
8A _CE only, ready active high, stop on end of block
AB enable interrupts
*/
void luxor_55_21046_device::dma_int_w(int state)
{
m_dma_irq = state;
// FDC and DMA interrupts are wire-ORed to the Z80
m_maincpu->set_input_line(INPUT_LINE_IRQ0, m_fdc_irq || m_dma_irq);
}
uint8_t luxor_55_21046_device::memory_read_byte(offs_t offset)
{
return m_maincpu->space(AS_PROGRAM).read_byte(offset);
}
void luxor_55_21046_device::memory_write_byte(offs_t offset, uint8_t data)
{
return m_maincpu->space(AS_PROGRAM).write_byte(offset, data);
}
uint8_t luxor_55_21046_device::io_read_byte(offs_t offset)
{
return m_maincpu->space(AS_IO).read_byte(offset);
}
void luxor_55_21046_device::io_write_byte(offs_t offset, uint8_t data)
{
return m_maincpu->space(AS_IO).write_byte(offset, data);
}
void luxor_55_21046_device::floppy_formats(format_registration &fr)
{
fr.add_mfm_containers();
fr.add(FLOPPY_ABC800I_FORMAT);
fr.add(FLOPPY_ABC800_FORMAT);
}
static void abc_floppies(device_slot_interface &device)
{
device.option_add("525sssd", FLOPPY_525_SSSD);
device.option_add("525sd", FLOPPY_525_SD);
device.option_add("525ssdd", FLOPPY_525_SSDD);
device.option_add("525dd", FLOPPY_525_DD);
device.option_add("525qd", FLOPPY_525_QD);
device.option_add("8dsdd", FLOPPY_8_DSDD);
}
void luxor_55_21046_device::fdc_intrq_w(int state)
{
m_fdc_irq = state;
// FDC and DMA interrupts are wire-ORed to the Z80
m_maincpu->set_input_line(INPUT_LINE_IRQ0, m_fdc_irq || m_dma_irq);
}
//-------------------------------------------------
// z80_daisy_config z80_daisy_chain
//-------------------------------------------------
static const z80_daisy_config z80_daisy_chain[] =
{
{ Z80DMA_TAG },
{ nullptr }
};
//-------------------------------------------------
// device_add_mconfig - add device configuration
//-------------------------------------------------
void luxor_55_21046_device::device_add_mconfig(machine_config & config)
{
Z80(config, m_maincpu, 16_MHz_XTAL / 4);
m_maincpu->set_daisy_config(z80_daisy_chain);
m_maincpu->set_addrmap(AS_PROGRAM, &luxor_55_21046_device::luxor_55_21046_mem);
m_maincpu->set_addrmap(AS_IO, &luxor_55_21046_device::luxor_55_21046_io);
Z80DMA(config, m_dma, 16_MHz_XTAL / 4);
m_dma->out_busreq_callback().set_inputline(m_maincpu, INPUT_LINE_HALT);
m_dma->out_int_callback().set(FUNC(luxor_55_21046_device::dma_int_w));
m_dma->in_mreq_callback().set(FUNC(luxor_55_21046_device::memory_read_byte));
m_dma->out_mreq_callback().set(FUNC(luxor_55_21046_device::memory_write_byte));
m_dma->in_iorq_callback().set(FUNC(luxor_55_21046_device::io_read_byte));
m_dma->out_iorq_callback().set(FUNC(luxor_55_21046_device::io_write_byte));
FD1793(config, m_fdc, 16_MHz_XTAL / 16);
m_fdc->intrq_wr_callback().set(FUNC(luxor_55_21046_device::fdc_intrq_w));
m_fdc->drq_wr_callback().set(m_dma, FUNC(z80dma_device::rdy_w));
}
void abc830_device::device_add_mconfig(machine_config &config)
{
luxor_55_21046_device::device_add_mconfig(config);
for (auto &floppy : m_floppy)
FLOPPY_CONNECTOR(config, floppy, abc_floppies, "525ssdd", luxor_55_21046_device::floppy_formats).enable_sound(true);
}
void abc832_device::device_add_mconfig(machine_config &config)
{
luxor_55_21046_device::device_add_mconfig(config);
for (auto &floppy : m_floppy)
FLOPPY_CONNECTOR(config, floppy, abc_floppies, "525qd", luxor_55_21046_device::floppy_formats).enable_sound(true);
}
void abc834_device::device_add_mconfig(machine_config &config)
{
luxor_55_21046_device::device_add_mconfig(config);
for (auto &floppy : m_floppy)
FLOPPY_CONNECTOR(config, floppy, abc_floppies, "525qd", luxor_55_21046_device::floppy_formats).enable_sound(true);
}
void abc838_device::device_add_mconfig(machine_config &config)
{
luxor_55_21046_device::device_add_mconfig(config);
for (auto &floppy : m_floppy)
FLOPPY_CONNECTOR(config, floppy, abc_floppies, "8dsdd", luxor_55_21046_device::floppy_formats).enable_sound(true);
}
void abc850_floppy_device::device_add_mconfig(machine_config &config)
{
luxor_55_21046_device::device_add_mconfig(config);
FLOPPY_CONNECTOR(config, m_floppy[0], abc_floppies, "525qd", luxor_55_21046_device::floppy_formats).enable_sound(true);
FLOPPY_CONNECTOR(config, m_floppy[1], abc_floppies, nullptr, luxor_55_21046_device::floppy_formats).enable_sound(true);
}
//-------------------------------------------------
// INPUT_PORTS( luxor_55_21046 )
//-------------------------------------------------
INPUT_PORTS_START( luxor_55_21046 )
PORT_START("SW1")
// ABC 838
PORT_DIPNAME( 0x0f, 0x00, DEF_STR( Unused ) ) PORT_DIPLOCATION("SW1:1,2,3,4") PORT_CONDITION("SW3", 0x7f, EQUALS, 0x2e)
PORT_DIPSETTING( 0x00, DEF_STR( Unused ) ) PORT_CONDITION("SW3", 0x7f, EQUALS, 0x2e)
// ABC 830
PORT_DIPNAME( 0x01, 0x01, "Drive 0 Sides" ) PORT_DIPLOCATION("SW1:1") PORT_CONDITION("SW3", 0x7f, EQUALS, 0x2d)
PORT_DIPSETTING( 0x01, DEF_STR( Single ) )
PORT_DIPSETTING( 0x00, "Double" )
PORT_DIPNAME( 0x02, 0x02, "Drive 1 Sides" ) PORT_DIPLOCATION("SW1:2") PORT_CONDITION("SW3", 0x7f, EQUALS, 0x2d)
PORT_DIPSETTING( 0x02, DEF_STR( Single ) )
PORT_DIPSETTING( 0x00, "Double" )
PORT_DIPNAME( 0x04, 0x00, "Drive 0 Density" ) PORT_DIPLOCATION("SW1:3") PORT_CONDITION("SW3", 0x7f, EQUALS, 0x2d)
PORT_DIPSETTING( 0x04, DEF_STR( Single ) )
PORT_DIPSETTING( 0x00, "Double" )
PORT_DIPNAME( 0x08, 0x00, "Drive 1 Density" ) PORT_DIPLOCATION("SW1:4") PORT_CONDITION("SW3", 0x7f, EQUALS, 0x2d)
PORT_DIPSETTING( 0x08, DEF_STR( Single ) )
PORT_DIPSETTING( 0x00, "Double" )
// ABC 832/834/850
PORT_DIPNAME( 0x01, 0x00, "Drive 0 Sides" ) PORT_DIPLOCATION("SW1:1") PORT_CONDITION("SW3", 0x7f, EQUALS, 0x2c)
PORT_DIPSETTING( 0x01, DEF_STR( Single ) )
PORT_DIPSETTING( 0x00, "Double" )
PORT_DIPNAME( 0x02, 0x00, "Drive 1 Sides" ) PORT_DIPLOCATION("SW1:2") PORT_CONDITION("SW3", 0x7f, EQUALS, 0x2c)
PORT_DIPSETTING( 0x02, DEF_STR( Single ) )
PORT_DIPSETTING( 0x00, "Double" )
PORT_DIPNAME( 0x04, 0x04, "Drive 0 Tracks" ) PORT_DIPLOCATION("SW1:3") PORT_CONDITION("SW3", 0x7f, EQUALS, 0x2c)
PORT_DIPSETTING( 0x00, "40" )
PORT_DIPSETTING( 0x04, "80" )
PORT_DIPNAME( 0x08, 0x08, "Drive 1 Tracks" ) PORT_DIPLOCATION("SW1:4") PORT_CONDITION("SW3", 0x7f, EQUALS, 0x2c)
PORT_DIPSETTING( 0x00, "40" )
PORT_DIPSETTING( 0x08, "80" )
PORT_START("SW2")
PORT_DIPNAME( 0x0f, 0x01, "Drive Type" ) PORT_DIPLOCATION("SW2:1,2,3,4")
PORT_DIPSETTING( 0x01, "TEAC FD55F (ABC 834)" ) PORT_CONDITION("SW3", 0x7f, EQUALS, 0x2c) // 230 7802-01
PORT_DIPSETTING( 0x02, "BASF 6138 (ABC 850)" ) PORT_CONDITION("SW3", 0x7f, EQUALS, 0x2c) // 230 8440-15
PORT_DIPSETTING( 0x03, "Micropolis 1015F (ABC 832)" ) PORT_CONDITION("SW3", 0x7f, EQUALS, 0x2c) // 190 9711-15
PORT_DIPSETTING( 0x04, "BASF 6118 (ABC 832)" ) PORT_CONDITION("SW3", 0x7f, EQUALS, 0x2c) // 190 9711-16
PORT_DIPSETTING( 0x05, "Micropolis 1115F (ABC 832)" ) PORT_CONDITION("SW3", 0x7f, EQUALS, 0x2c) // 190 9711-17
PORT_DIPSETTING( 0x08, "BASF 6106/08 (ABC 830)" ) PORT_CONDITION("SW3", 0x7f, EQUALS, 0x2d) // 190 9206-16
PORT_DIPSETTING( 0x09, "MPI 51 (ABC 830)" ) PORT_CONDITION("SW3", 0x7f, EQUALS, 0x2d) // 190 9206-16
PORT_DIPSETTING( 0x0e, "BASF 6105 (ABC 838)" ) PORT_CONDITION("SW3", 0x7f, EQUALS, 0x2e)
PORT_DIPSETTING( 0x0f, "BASF 6106 (ABC 838)" ) PORT_CONDITION("SW3", 0x7f, EQUALS, 0x2e) // 230 8838-15
PORT_START("SW3")
PORT_DIPNAME( 0x7f, 0x2c, "Card Address" ) PORT_DIPLOCATION("SW3:1,2,3,4,5,6,7")
PORT_DIPSETTING( 0x2c, "44 (ABC 832/834/850)" ) // MF0: MF1:
PORT_DIPSETTING( 0x2d, "45 (ABC 830)" ) // MO0: MO1:
PORT_DIPSETTING( 0x2e, "46 (ABC 838)" ) // SF0: SF1:
PORT_START("S1") // also S3,S5
PORT_DIPNAME( 0x01, 0x01, "Interface Type" )
PORT_DIPSETTING( 0x00, "ABC 1600" )
PORT_DIPSETTING( 0x01, "ABC 80/800/802/806" )
PORT_START("S6")
PORT_DIPNAME( 0x01, 0x01, "RAM Size" )
PORT_DIPSETTING( 0x00, "2 KB" )
PORT_DIPSETTING( 0x01, "8 KB" )
PORT_START("S8")
PORT_DIPNAME( 0x01, 0x01, "Drive Type" )
PORT_DIPSETTING( 0x00, "8\"" )
PORT_DIPSETTING( 0x01, "5.25\"" )
PORT_START("S9")
PORT_DIPNAME( 0x01, 0x01, "RDY Pin" )
PORT_DIPSETTING( 0x00, "P2-6 (8\")" )
PORT_DIPSETTING( 0x01, "P2-34 (5.25\")" )
INPUT_PORTS_END
//-------------------------------------------------
// INPUT_PORTS( abc830 )
//-------------------------------------------------
INPUT_PORTS_START( abc830 )
PORT_START("SW1")
PORT_DIPNAME( 0x01, 0x01, "Drive 0 Sides" ) PORT_DIPLOCATION("SW1:1")
PORT_DIPSETTING( 0x01, DEF_STR( Single ) )
PORT_DIPSETTING( 0x00, "Double" )
PORT_DIPNAME( 0x02, 0x02, "Drive 1 Sides" ) PORT_DIPLOCATION("SW1:2")
PORT_DIPSETTING( 0x02, DEF_STR( Single ) )
PORT_DIPSETTING( 0x00, "Double" )
PORT_DIPNAME( 0x04, 0x00, "Drive 0 Density" ) PORT_DIPLOCATION("SW1:3")
PORT_DIPSETTING( 0x04, DEF_STR( Single ) )
PORT_DIPSETTING( 0x00, "Double" )
PORT_DIPNAME( 0x08, 0x00, "Drive 1 Density" ) PORT_DIPLOCATION("SW1:4")
PORT_DIPSETTING( 0x08, DEF_STR( Single ) )
PORT_DIPSETTING( 0x00, "Double" )
PORT_START("SW2")
PORT_DIPNAME( 0x0f, 0x08, "Drive Type" ) PORT_DIPLOCATION("SW2:1,2,3,4")
PORT_DIPSETTING( 0x08, "BASF 6106/08" )
PORT_DIPSETTING( 0x09, "MPI 51" )
PORT_START("SW3")
PORT_DIPNAME( 0x7f, 0x2d, "Card Address" ) PORT_DIPLOCATION("SW3:1,2,3,4,5,6,7")
PORT_DIPSETTING( 0x2d, "45" )
PORT_START("S1") // also S3,S5
PORT_DIPNAME( 0x01, 0x01, "Interface Type" )
PORT_DIPSETTING( 0x00, "ABC 1600" )
PORT_DIPSETTING( 0x01, "ABC 80/800/802/806" )
PORT_START("S6")
PORT_DIPNAME( 0x01, 0x01, "RAM Size" )
PORT_DIPSETTING( 0x00, "2 KB" )
PORT_DIPSETTING( 0x01, "8 KB" )
PORT_START("S8")
PORT_DIPNAME( 0x01, 0x01, "Drive Type" )
PORT_DIPSETTING( 0x00, "8\"" )
PORT_DIPSETTING( 0x01, "5.25\"" )
PORT_START("S9")
PORT_DIPNAME( 0x01, 0x01, "RDY Pin" )
PORT_DIPSETTING( 0x00, "P2-6 (8\")" )
PORT_DIPSETTING( 0x01, "P2-34 (5.25\")" )
INPUT_PORTS_END
//-------------------------------------------------
// INPUT_PORTS( abc832 )
//-------------------------------------------------
INPUT_PORTS_START( abc832 )
PORT_START("SW1")
PORT_DIPNAME( 0x01, 0x00, "Drive 0 Sides" ) PORT_DIPLOCATION("SW1:1")
PORT_DIPSETTING( 0x01, DEF_STR( Single ) )
PORT_DIPSETTING( 0x00, "Double" )
PORT_DIPNAME( 0x02, 0x00, "Drive 1 Sides" ) PORT_DIPLOCATION("SW1:2")
PORT_DIPSETTING( 0x02, DEF_STR( Single ) )
PORT_DIPSETTING( 0x00, "Double" )
PORT_DIPNAME( 0x04, 0x04, "Drive 0 Tracks" ) PORT_DIPLOCATION("SW1:3")
PORT_DIPSETTING( 0x00, "40" )
PORT_DIPSETTING( 0x04, "80" )
PORT_DIPNAME( 0x08, 0x08, "Drive 1 Tracks" ) PORT_DIPLOCATION("SW1:4")
PORT_DIPSETTING( 0x00, "40" )
PORT_DIPSETTING( 0x08, "80" )
PORT_START("SW2")
PORT_DIPNAME( 0x0f, 0x04, "Drive Type" ) PORT_DIPLOCATION("SW2:1,2,3,4")
PORT_DIPSETTING( 0x03, "Micropolis 1015F" )
PORT_DIPSETTING( 0x04, "BASF 6118" )
PORT_DIPSETTING( 0x05, "Micropolis 1115F" )
PORT_START("SW3")
PORT_DIPNAME( 0x7f, 0x2c, "Card Address" ) PORT_DIPLOCATION("SW3:1,2,3,4,5,6,7")
PORT_DIPSETTING( 0x2c, "44" )
PORT_START("S1") // also S3,S5
PORT_DIPNAME( 0x01, 0x01, "Interface Type" )
PORT_DIPSETTING( 0x00, "ABC 1600" )
PORT_DIPSETTING( 0x01, "ABC 80/800/802/806" )
PORT_START("S6")
PORT_DIPNAME( 0x01, 0x01, "RAM Size" )
PORT_DIPSETTING( 0x00, "2 KB" )
PORT_DIPSETTING( 0x01, "8 KB" )
PORT_START("S8")
PORT_DIPNAME( 0x01, 0x01, "Drive Type" )
PORT_DIPSETTING( 0x00, "8\"" )
PORT_DIPSETTING( 0x01, "5.25\"" )
PORT_START("S9")
PORT_DIPNAME( 0x01, 0x01, "RDY Pin" )
PORT_DIPSETTING( 0x00, "P2-6 (8\")" )
PORT_DIPSETTING( 0x01, "P2-34 (5.25\")" )
INPUT_PORTS_END
//-------------------------------------------------
// INPUT_PORTS( abc834 )
//-------------------------------------------------
INPUT_PORTS_START( abc834 )
PORT_START("SW1")
PORT_DIPNAME( 0x01, 0x00, "Drive 0 Sides" ) PORT_DIPLOCATION("SW1:1")
PORT_DIPSETTING( 0x01, DEF_STR( Single ) )
PORT_DIPSETTING( 0x00, "Double" )
PORT_DIPNAME( 0x02, 0x00, "Drive 1 Sides" ) PORT_DIPLOCATION("SW1:2")
PORT_DIPSETTING( 0x02, DEF_STR( Single ) )
PORT_DIPSETTING( 0x00, "Double" )
PORT_DIPNAME( 0x04, 0x04, "Drive 0 Tracks" ) PORT_DIPLOCATION("SW1:3")
PORT_DIPSETTING( 0x00, "40" )
PORT_DIPSETTING( 0x04, "80" )
PORT_DIPNAME( 0x08, 0x08, "Drive 1 Tracks" ) PORT_DIPLOCATION("SW1:4")
PORT_DIPSETTING( 0x00, "40" )
PORT_DIPSETTING( 0x08, "80" )
PORT_START("SW2")
PORT_DIPNAME( 0x0f, 0x01, "Drive Type" ) PORT_DIPLOCATION("SW2:1,2,3,4")
PORT_DIPSETTING( 0x01, "TEAC FD55F" )
PORT_START("SW3")
PORT_DIPNAME( 0x7f, 0x2c, "Card Address" ) PORT_DIPLOCATION("SW3:1,2,3,4,5,6,7")
PORT_DIPSETTING( 0x2c, "44" )
PORT_START("S1") // also S3,S5
PORT_DIPNAME( 0x01, 0x01, "Interface Type" )
PORT_DIPSETTING( 0x00, "ABC 1600" )
PORT_DIPSETTING( 0x01, "ABC 80/800/802/806" )
PORT_START("S6")
PORT_DIPNAME( 0x01, 0x01, "RAM Size" )
PORT_DIPSETTING( 0x00, "2 KB" )
PORT_DIPSETTING( 0x01, "8 KB" )
PORT_START("S8")
PORT_DIPNAME( 0x01, 0x01, "Drive Type" )
PORT_DIPSETTING( 0x00, "8\"" )
PORT_DIPSETTING( 0x01, "5.25\"" )
PORT_START("S9")
PORT_DIPNAME( 0x01, 0x01, "RDY Pin" )
PORT_DIPSETTING( 0x00, "P2-6 (8\")" )
PORT_DIPSETTING( 0x01, "P2-34 (5.25\")" )
INPUT_PORTS_END
//-------------------------------------------------
// INPUT_PORTS( abc838 )
//-------------------------------------------------
INPUT_PORTS_START( abc838 )
PORT_START("SW1")
PORT_DIPNAME( 0x0f, 0x00, DEF_STR( Unused ) ) PORT_DIPLOCATION("SW1:1,2,3,4")
PORT_DIPSETTING( 0x00, DEF_STR( Unused ) )
PORT_START("SW2")
PORT_DIPNAME( 0x0f, 0x0e, "Drive Type" ) PORT_DIPLOCATION("SW2:1,2,3,4")
PORT_DIPSETTING( 0x0e, "BASF 6105" )
PORT_DIPSETTING( 0x0f, "BASF 6106" )
PORT_START("SW3")
PORT_DIPNAME( 0x7f, 0x2e, "Card Address" ) PORT_DIPLOCATION("SW3:1,2,3,4,5,6,7")
PORT_DIPSETTING( 0x2e, "46" )
PORT_START("S1") // also S3,S5
PORT_DIPNAME( 0x01, 0x01, "Interface Type" )
PORT_DIPSETTING( 0x00, "ABC 1600" )
PORT_DIPSETTING( 0x01, "ABC 80/800/802/806" )
PORT_START("S6")
PORT_DIPNAME( 0x01, 0x01, "RAM Size" )
PORT_DIPSETTING( 0x00, "2 KB" )
PORT_DIPSETTING( 0x01, "8 KB" )
PORT_START("S8")
PORT_DIPNAME( 0x01, 0x00, "Drive Type" )
PORT_DIPSETTING( 0x00, "8\"" )
PORT_DIPSETTING( 0x01, "5.25\"" )
PORT_START("S9")
PORT_DIPNAME( 0x01, 0x00, "RDY Pin" )
PORT_DIPSETTING( 0x00, "P2-6 (8\")" )
PORT_DIPSETTING( 0x01, "P2-34 (5.25\")" )
INPUT_PORTS_END
//-------------------------------------------------
// INPUT_PORTS( abc850 )
//-------------------------------------------------
INPUT_PORTS_START( abc850 )
PORT_START("SW1")
PORT_DIPNAME( 0x01, 0x01, "Drive 0 Sides" ) PORT_DIPLOCATION("SW1:1")
PORT_DIPSETTING( 0x00, DEF_STR( Single ) )
PORT_DIPSETTING( 0x01, "Double" )
PORT_DIPNAME( 0x02, 0x02, "Drive 1 Sides" ) PORT_DIPLOCATION("SW1:2")
PORT_DIPSETTING( 0x00, DEF_STR( Single ) )
PORT_DIPSETTING( 0x02, "Double" )
PORT_DIPNAME( 0x04, 0x04, "Drive 0 Tracks" ) PORT_DIPLOCATION("SW1:3")
PORT_DIPSETTING( 0x00, "40" )
PORT_DIPSETTING( 0x04, "80" )
PORT_DIPNAME( 0x08, 0x08, "Drive 1 Tracks" ) PORT_DIPLOCATION("SW1:4")
PORT_DIPSETTING( 0x00, "40" )
PORT_DIPSETTING( 0x08, "80" )
PORT_START("SW2")
PORT_DIPNAME( 0x0f, 0x02, "Drive Type" ) PORT_DIPLOCATION("SW2:1,2,3,4")
PORT_DIPSETTING( 0x01, "TEAC FD55F" )
PORT_DIPSETTING( 0x02, "BASF 6138" )
PORT_START("SW3")
PORT_DIPNAME( 0x7f, 0x2c, "Card Address" ) PORT_DIPLOCATION("SW3:1,2,3,4,5,6,7")
PORT_DIPSETTING( 0x2c, "44" )
PORT_START("S1") // also S3,S5
PORT_DIPNAME( 0x01, 0x01, "Interface Type" )
PORT_DIPSETTING( 0x00, "ABC 1600" )
PORT_DIPSETTING( 0x01, "ABC 80/800/802/806" )
PORT_START("S6")
PORT_DIPNAME( 0x01, 0x01, "RAM Size" )
PORT_DIPSETTING( 0x00, "2 KB" )
PORT_DIPSETTING( 0x01, "8 KB" )
PORT_START("S8")
PORT_DIPNAME( 0x01, 0x01, "Drive Type" )
PORT_DIPSETTING( 0x00, "8\"" )
PORT_DIPSETTING( 0x01, "5.25\"" )
PORT_START("S9")
PORT_DIPNAME( 0x01, 0x01, "RDY Pin" )
PORT_DIPSETTING( 0x00, "P2-6 (8\")" )
PORT_DIPSETTING( 0x01, "P2-34 (5.25\")" )
INPUT_PORTS_END
//-------------------------------------------------
// input_ports - device-specific input ports
//-------------------------------------------------
ioport_constructor luxor_55_21046_device::device_input_ports() const
{
return INPUT_PORTS_NAME( luxor_55_21046 );
}
ioport_constructor abc830_device::device_input_ports() const
{
return INPUT_PORTS_NAME( abc830 );
}
ioport_constructor abc832_device::device_input_ports() const
{
return INPUT_PORTS_NAME( abc832 );
}
ioport_constructor abc834_device::device_input_ports() const
{
return INPUT_PORTS_NAME( abc834 );
}
ioport_constructor abc838_device::device_input_ports() const
{
return INPUT_PORTS_NAME( abc838 );
}
ioport_constructor abc850_floppy_device::device_input_ports() const
{
return INPUT_PORTS_NAME( abc850 );
}
//**************************************************************************
// LIVE DEVICE
//**************************************************************************
//-------------------------------------------------
// luxor_55_21046_device - constructor
//-------------------------------------------------
luxor_55_21046_device::luxor_55_21046_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
luxor_55_21046_device(mconfig, LUXOR_55_21046, tag, owner, clock)
{
}
luxor_55_21046_device::luxor_55_21046_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock) :
device_t(mconfig, type, tag, owner, clock),
device_abcbus_card_interface(mconfig, *this),
m_floppy(*this, SAB1793_TAG":%u", 0U),
m_maincpu(*this, Z80_TAG),
m_dma(*this, Z80DMA_TAG),
m_fdc(*this, SAB1793_TAG),
m_selected_floppy(nullptr),
m_sw1(*this, "SW1"),
m_sw2(*this, "SW2"),
m_sw3(*this, "SW3"),
m_cs(false),
m_status(0),
m_out(0),
m_inp(0),
m_fdc_irq(0),
m_dma_irq(0),
m_busy(0),
m_force_busy(0)
{
}
abc830_device::abc830_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
luxor_55_21046_device(mconfig, ABC830, tag, owner, clock)
{
}
abc832_device::abc832_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
luxor_55_21046_device(mconfig, ABC832, tag, owner, clock)
{
}
abc834_device::abc834_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
luxor_55_21046_device(mconfig, ABC834, tag, owner, clock)
{
}
abc838_device::abc838_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
luxor_55_21046_device(mconfig, ABC838, tag, owner, clock)
{
}
abc850_floppy_device::abc850_floppy_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
luxor_55_21046_device(mconfig, ABC850_FLOPPY, tag, owner, clock)
{
}
//-------------------------------------------------
// device_start - device-specific startup
//-------------------------------------------------
void luxor_55_21046_device::device_start()
{
// state saving
save_item(NAME(m_cs));
save_item(NAME(m_status));
save_item(NAME(m_out));
save_item(NAME(m_inp));
save_item(NAME(m_fdc_irq));
save_item(NAME(m_dma_irq));
save_item(NAME(m_busy));
save_item(NAME(m_force_busy));
}
//-------------------------------------------------
// device_reset - device-specific reset
//-------------------------------------------------
void luxor_55_21046_device::device_reset()
{
m_cs = false;
m_out = 0;
m_maincpu->reset();
_4b_w(0);
_9b_w(0);
_8a_w(0);
}
//**************************************************************************
// ABC BUS INTERFACE
//**************************************************************************
//-------------------------------------------------
// abcbus_cs -
//-------------------------------------------------
void luxor_55_21046_device::abcbus_cs(uint8_t data)
{
m_cs = (data == m_sw3->read());
}
//-------------------------------------------------
// abcbus_csb -
//-------------------------------------------------
int luxor_55_21046_device::abcbus_csb()
{
return m_cs ? 0 : 1;
}
//-------------------------------------------------
// abcbus_stat -
//-------------------------------------------------
uint8_t luxor_55_21046_device::abcbus_stat()
{
/*
bit description
0 3A pin 8
1 4B Q1
2 4B Q2
3 4B Q3
4 1
5 PAL16R4 pin 17
6 S1/A: PREN*, S1/B: 4B Q6
7 S5/A: PAL16R4 pin 16 inverted, S5/B: 4B Q7
*/
uint8_t data = 0;
if (m_cs)
{
data = 0x30 | (m_status & 0xce) | m_busy;
}
// LS240 inverts the data
return data ^ 0xff;
}
//-------------------------------------------------
// abcbus_inp -
//-------------------------------------------------
uint8_t luxor_55_21046_device::abcbus_inp()
{
uint8_t data = 0xff;
if (m_cs)
{
data = m_inp;
m_busy = 1;
}
return data;
}
//-------------------------------------------------
// abcbus_out -
//-------------------------------------------------
void luxor_55_21046_device::abcbus_out(uint8_t data)
{
if (m_cs)
{
m_out = data;
m_busy = 1;
}
}
//-------------------------------------------------
// abcbus_c1 -
//-------------------------------------------------
void luxor_55_21046_device::abcbus_c1(uint8_t data)
{
if (m_cs)
{
m_maincpu->set_input_line(INPUT_LINE_NMI, ASSERT_LINE);
m_maincpu->set_input_line(INPUT_LINE_NMI, CLEAR_LINE);
}
}
//-------------------------------------------------
// abcbus_c3 -
//-------------------------------------------------
void luxor_55_21046_device::abcbus_c3(uint8_t data)
{
if (m_cs)
{
device_reset();
}
}
//-------------------------------------------------
// abcbus_c4 -
//-------------------------------------------------
void luxor_55_21046_device::abcbus_c4(uint8_t data)
{
// TODO connected to PAL16R4 pin 2
}
//**************************************************************************
// IMPLEMENTATION
//**************************************************************************
//-------------------------------------------------
// 3d_r -
//-------------------------------------------------
uint8_t luxor_55_21046_device::out_r()
{
if (m_busy && !machine().side_effects_disabled())
{
m_busy = 0;
}
return m_out;
}
//-------------------------------------------------
// 4d_w -
//-------------------------------------------------
void luxor_55_21046_device::inp_w(uint8_t data)
{
if (m_busy)
{
m_busy = 0;
}
m_inp = data;
}
//-------------------------------------------------
// 4b_w -
//-------------------------------------------------
void luxor_55_21046_device::_4b_w(uint8_t data)
{
/*
bit description
0 force busy
1
2
3
4 N/C
5 N/C
6
7
*/
m_status = data & 0xce;
// busy
if (!BIT(data, 0))
{
m_busy = 1;
}
}
//-------------------------------------------------
// 9b_w -
//-------------------------------------------------