diff options
Diffstat (limited to 'src/devices/bus/ql/kempston_di.cpp')
-rw-r--r-- | src/devices/bus/ql/kempston_di.cpp | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/src/devices/bus/ql/kempston_di.cpp b/src/devices/bus/ql/kempston_di.cpp new file mode 100644 index 00000000000..c69c129e2e9 --- /dev/null +++ b/src/devices/bus/ql/kempston_di.cpp @@ -0,0 +1,83 @@ +// license:BSD-3-Clause +// copyright-holders:Curt Coder +/********************************************************************** + + Kempston Disk Interface emulation + +**********************************************************************/ + +#include "kempston_di.h" + + + +//************************************************************************** +// DEVICE DEFINITIONS +//************************************************************************** + +const device_type KEMPSTON_DISK_INTERFACE = &device_creator<kempston_disk_interface_t>; + + +//------------------------------------------------- +// ROM( kempston_disk_system ) +//------------------------------------------------- + +ROM_START( kempston_disk_system ) + ROM_REGION( 0x2000, "rom", 0 ) + ROM_DEFAULT_BIOS("v114") + ROM_SYSTEM_BIOS( 0, "v114", "v1.14" ) + ROMX_LOAD( "kempston_disk_system_v1.14_1984.rom", 0x0000, 0x2000, CRC(0b70ad2e) SHA1(ff8158d25864d920f3f6df259167e91c2784692c), ROM_BIOS(1) ) +ROM_END + + +//------------------------------------------------- +// rom_region - device-specific ROM region +//------------------------------------------------- + +const rom_entry *kempston_disk_interface_t::device_rom_region() const +{ + return ROM_NAME( kempston_disk_system ); +} + + + +//************************************************************************** +// LIVE DEVICE +//************************************************************************** + +//------------------------------------------------- +// kempston_disk_interface_t - constructor +//------------------------------------------------- + +kempston_disk_interface_t::kempston_disk_interface_t(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) : + device_t(mconfig, KEMPSTON_DISK_INTERFACE, "Kempston Disk Interface", tag, owner, clock, "ql_kdi", __FILE__), + device_ql_expansion_card_interface(mconfig, *this) +{ +} + + +//------------------------------------------------- +// device_start - device-specific startup +//------------------------------------------------- + +void kempston_disk_interface_t::device_start() +{ +} + + +//------------------------------------------------- +// read - +//------------------------------------------------- + +UINT8 kempston_disk_interface_t::read(address_space &space, offs_t offset, UINT8 data) +{ + return data; +} + + +//------------------------------------------------- +// write - +//------------------------------------------------- + +void kempston_disk_interface_t::write(address_space &space, offs_t offset, UINT8 data) +{ +} |