diff options
Diffstat (limited to 'src/devices/bus/isa/fdc.cpp')
-rw-r--r-- | src/devices/bus/isa/fdc.cpp | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/src/devices/bus/isa/fdc.cpp b/src/devices/bus/isa/fdc.cpp new file mode 100644 index 00000000000..a7698784a26 --- /dev/null +++ b/src/devices/bus/isa/fdc.cpp @@ -0,0 +1,167 @@ +// license:BSD-3-Clause +// copyright-holders:Miodrag Milanovic +/********************************************************************** + + ISA 8 bit Floppy Disk Controller + +**********************************************************************/ + +#include "emu.h" +#include "fdc.h" +#include "machine/pc_fdc.h" +#include "imagedev/flopdrv.h" +#include "formats/pc_dsk.h" +#include "formats/naslite_dsk.h" + + +FLOPPY_FORMATS_MEMBER( isa8_fdc_device::floppy_formats ) + FLOPPY_PC_FORMAT, + FLOPPY_NASLITE_FORMAT +FLOPPY_FORMATS_END + +static SLOT_INTERFACE_START( pc_dd_floppies ) + SLOT_INTERFACE( "525dd", FLOPPY_525_DD ) + SLOT_INTERFACE( "35dd", FLOPPY_35_DD ) +SLOT_INTERFACE_END + +static SLOT_INTERFACE_START( pc_hd_floppies ) + SLOT_INTERFACE( "525hd", FLOPPY_525_HD ) + SLOT_INTERFACE( "35hd", FLOPPY_35_HD ) + SLOT_INTERFACE( "525dd", FLOPPY_525_DD ) + SLOT_INTERFACE( "35dd", FLOPPY_35_DD ) +SLOT_INTERFACE_END + +static MACHINE_CONFIG_FRAGMENT( cfg_xt ) + MCFG_PC_FDC_XT_ADD("fdc") + MCFG_PC_FDC_INTRQ_CALLBACK(WRITELINE(isa8_fdc_device, irq_w)) + MCFG_PC_FDC_DRQ_CALLBACK(WRITELINE(isa8_fdc_device, drq_w)) + MCFG_FLOPPY_DRIVE_ADD("fdc:0", pc_dd_floppies, "525dd", isa8_fdc_device::floppy_formats) + MCFG_FLOPPY_DRIVE_ADD("fdc:1", pc_dd_floppies, "525dd", isa8_fdc_device::floppy_formats) +MACHINE_CONFIG_END + +static MACHINE_CONFIG_FRAGMENT( cfg_at ) + MCFG_PC_FDC_AT_ADD("fdc") + MCFG_PC_FDC_INTRQ_CALLBACK(WRITELINE(isa8_fdc_device, irq_w)) + MCFG_PC_FDC_DRQ_CALLBACK(WRITELINE(isa8_fdc_device, drq_w)) + MCFG_FLOPPY_DRIVE_ADD("fdc:0", pc_hd_floppies, "35hd", isa8_fdc_device::floppy_formats) + MCFG_FLOPPY_DRIVE_ADD("fdc:1", pc_hd_floppies, "35hd", isa8_fdc_device::floppy_formats) +MACHINE_CONFIG_END + +static MACHINE_CONFIG_FRAGMENT( cfg_smc ) + MCFG_SMC37C78_ADD("fdc") + MCFG_UPD765_INTRQ_CALLBACK(WRITELINE(isa8_fdc_device, irq_w)) + MCFG_UPD765_DRQ_CALLBACK(WRITELINE(isa8_fdc_device, drq_w)) + MCFG_FLOPPY_DRIVE_ADD("fdc:0", pc_hd_floppies, "35hd", isa8_fdc_device::floppy_formats) + MCFG_FLOPPY_DRIVE_ADD("fdc:1", pc_hd_floppies, "35hd", isa8_fdc_device::floppy_formats) +MACHINE_CONFIG_END + +static MACHINE_CONFIG_FRAGMENT( cfg_ps2 ) + MCFG_N82077AA_ADD("fdc", n82077aa_device::MODE_PS2) + MCFG_UPD765_INTRQ_CALLBACK(WRITELINE(isa8_fdc_device, irq_w)) + MCFG_UPD765_DRQ_CALLBACK(WRITELINE(isa8_fdc_device, drq_w)) + MCFG_FLOPPY_DRIVE_ADD("fdc:0", pc_hd_floppies, "35hd", isa8_fdc_device::floppy_formats) + MCFG_FLOPPY_DRIVE_ADD("fdc:1", pc_hd_floppies, "35hd", isa8_fdc_device::floppy_formats) +MACHINE_CONFIG_END + +static MACHINE_CONFIG_FRAGMENT( cfg_superio ) + MCFG_PC_FDC_SUPERIO_ADD("fdc") + MCFG_UPD765_INTRQ_CALLBACK(WRITELINE(isa8_fdc_device, irq_w)) + MCFG_UPD765_DRQ_CALLBACK(WRITELINE(isa8_fdc_device, drq_w)) + MCFG_FLOPPY_DRIVE_ADD("fdc:0", pc_hd_floppies, "35hd", isa8_fdc_device::floppy_formats) + MCFG_FLOPPY_DRIVE_ADD("fdc:1", pc_hd_floppies, "35hd", isa8_fdc_device::floppy_formats) +MACHINE_CONFIG_END + + +isa8_fdc_device::isa8_fdc_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source) : + device_t(mconfig, type, name, tag, owner, clock, shortname, source), + device_isa8_card_interface(mconfig, *this), + fdc(*this, "fdc") +{ +} + +void isa8_fdc_device::device_start() +{ + set_isa_device(); + m_isa->install_device(0x03f0, 0x03f7, *fdc, &pc_fdc_interface::map); + m_isa->set_dma_channel(2, this, TRUE); +} + +void isa8_fdc_device::device_reset() +{ +} + +WRITE_LINE_MEMBER( isa8_fdc_device::irq_w ) +{ + m_isa->irq6_w(state ? ASSERT_LINE : CLEAR_LINE); +} + +WRITE_LINE_MEMBER( isa8_fdc_device::drq_w ) +{ + m_isa->drq2_w(state ? ASSERT_LINE : CLEAR_LINE); +} + +UINT8 isa8_fdc_device::dack_r(int line) +{ + return fdc->dma_r(); +} + +void isa8_fdc_device::dack_w(int line, UINT8 data) +{ + return fdc->dma_w(data); +} + +void isa8_fdc_device::eop_w(int state) +{ + fdc->tc_w(state == ASSERT_LINE); +} + +isa8_fdc_xt_device::isa8_fdc_xt_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) : isa8_fdc_device(mconfig, ISA8_FDC_XT, "ISA 8bits XT FDC hookup", tag, owner, clock, "isa8_fdc_xt", __FILE__) +{ +} + +machine_config_constructor isa8_fdc_xt_device::device_mconfig_additions() const +{ + return MACHINE_CONFIG_NAME(cfg_xt); +} + +isa8_fdc_at_device::isa8_fdc_at_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) : isa8_fdc_device(mconfig, ISA8_FDC_AT, "ISA 8bits AT FDC hookup", tag, owner, clock, "isa8_fdc_at", __FILE__) +{ +} + +machine_config_constructor isa8_fdc_at_device::device_mconfig_additions() const +{ + return MACHINE_CONFIG_NAME(cfg_at); +} + +isa8_fdc_smc_device::isa8_fdc_smc_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) : isa8_fdc_device(mconfig, ISA8_FDC_XT, "ISA 8bits SMC FDC hookup", tag, owner, clock, "isa8_fdc_smc", __FILE__) +{ +} + +machine_config_constructor isa8_fdc_smc_device::device_mconfig_additions() const +{ + return MACHINE_CONFIG_NAME(cfg_smc); +} + +isa8_fdc_ps2_device::isa8_fdc_ps2_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) : isa8_fdc_device(mconfig, ISA8_FDC_PS2, "ISA 8bits PS/2 FDC hookup", tag, owner, clock, "isa8_fdc_ps2", __FILE__) +{ +} + +machine_config_constructor isa8_fdc_ps2_device::device_mconfig_additions() const +{ + return MACHINE_CONFIG_NAME(cfg_ps2); +} + +isa8_fdc_superio_device::isa8_fdc_superio_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) : isa8_fdc_device(mconfig, ISA8_FDC_SUPERIO, "ISA 8bits SUPERIO FDC hookup", tag, owner, clock, "isa8_fdc_superio", __FILE__) +{ +} + +machine_config_constructor isa8_fdc_superio_device::device_mconfig_additions() const +{ + return MACHINE_CONFIG_NAME(cfg_superio); +} + +const device_type ISA8_FDC_XT = &device_creator<isa8_fdc_xt_device>; +const device_type ISA8_FDC_AT = &device_creator<isa8_fdc_at_device>; +const device_type ISA8_FDC_SMC = &device_creator<isa8_fdc_smc_device>; +const device_type ISA8_FDC_PS2 = &device_creator<isa8_fdc_ps2_device>; +const device_type ISA8_FDC_SUPERIO = &device_creator<isa8_fdc_superio_device>; |