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author | 2015-11-08 12:56:12 +0100 | |
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committer | 2015-11-08 12:56:12 +0100 | |
commit | 7c19aac60e12d6f5ea301bdb34d7826a01e0b06f (patch) | |
tree | f310d86aa2c6bfc19d115307dedde4eb0cd52dad /src/devices/bus/ql/trumpcard.cpp | |
parent | a57b46ae933badd7441ce1644711dbb851e2b504 (diff) |
Rename *.c -> *.cpp in our source (nw)
Diffstat (limited to 'src/devices/bus/ql/trumpcard.cpp')
-rw-r--r-- | src/devices/bus/ql/trumpcard.cpp | 291 |
1 files changed, 291 insertions, 0 deletions
diff --git a/src/devices/bus/ql/trumpcard.cpp b/src/devices/bus/ql/trumpcard.cpp new file mode 100644 index 00000000000..fa77ed23d53 --- /dev/null +++ b/src/devices/bus/ql/trumpcard.cpp @@ -0,0 +1,291 @@ +// license:BSD-3-Clause +// copyright-holders:Curt Coder, Phill Harvey-Smith +/********************************************************************** + + Miracle Systems QL Trump Card emulation + +**********************************************************************/ + +#include "trumpcard.h" + + + +//************************************************************************** +// MACROS/CONSTANTS +//************************************************************************** + +#define WD1772_TAG "wd1772" + + + +//************************************************************************** +// DEVICE DEFINITIONS +//************************************************************************** + +const device_type QL_TRUMP_CARD = &device_creator<ql_trump_card_t>; +const device_type QL_TRUMP_CARD_256K = &device_creator<ql_trump_card_256k_t>; +const device_type QL_TRUMP_CARD_512K = &device_creator<ql_trump_card_512k_t>; +const device_type QL_TRUMP_CARD_768K = &device_creator<ql_trump_card_768k_t>; + + +//------------------------------------------------- +// ROM( ql_trump_card ) +//------------------------------------------------- + +ROM_START( ql_trump_card ) + ROM_REGION( 0x8000, "rom", 0 ) + ROM_DEFAULT_BIOS("v131") + ROM_SYSTEM_BIOS( 0, "v121a", "v1.21A" ) + ROMX_LOAD( "trump_card1v21a_256_bin", 0x0000, 0x8000, CRC(2eb0aa3a) SHA1(22da747afad5bc91184daf0d8b055a5e5264c67b), ROM_BIOS(1) ) + ROM_SYSTEM_BIOS( 1, "v125", "v1.25" ) + ROMX_LOAD( "trumpcard-125.rom", 0x0000, 0x8000, CRC(938eaa46) SHA1(9b3458cf3a279ed86ba395dc45c8f26939d6c44d), ROM_BIOS(2) ) + ROM_SYSTEM_BIOS( 2, "v127", "v1.27" ) + ROMX_LOAD( "trumpcard127.bin", 0x0000, 0x8000, CRC(3e053381) SHA1(69fa132cb73b9391a70e8fd3e5656890dbc0203f), ROM_BIOS(3) ) + ROM_SYSTEM_BIOS( 3, "v128", "v1.28" ) + ROMX_LOAD( "trump_card_v1_28.bin", 0x0000, 0x8000, CRC(4591a924) SHA1(3ad584ee74b6a7e46685e6b7bece1abe4d6f6937), ROM_BIOS(4) ) + ROM_SYSTEM_BIOS( 4, "v131", "v1.31" ) + ROMX_LOAD( "trumpcard131.bin", 0x0000, 0x8000, CRC(584c7835) SHA1(de0f67408021a3b33b3916514a5f81d9c8edad93), ROM_BIOS(5) ) + + ROM_REGION( 0x100, "plds", 0 ) + ROM_LOAD( "1u4", 0x000, 0x100, NO_DUMP ) + ROM_LOAD( "2u4", 0x000, 0x100, NO_DUMP ) +ROM_END + + +//------------------------------------------------- +// rom_region - device-specific ROM region +//------------------------------------------------- + +const rom_entry *ql_trump_card_t::device_rom_region() const +{ + return ROM_NAME( ql_trump_card ); +} + + +//------------------------------------------------- +// SLOT_INTERFACE( ql_trump_card_floppies ) +//------------------------------------------------- + +static SLOT_INTERFACE_START( ql_trump_card_floppies ) + SLOT_INTERFACE( "35dd", FLOPPY_35_DD ) +SLOT_INTERFACE_END + + +//------------------------------------------------- +// FLOPPY_FORMATS( floppy_formats ) +//------------------------------------------------- + +FLOPPY_FORMATS_MEMBER( ql_trump_card_t::floppy_formats ) + FLOPPY_QL_FORMAT +FLOPPY_FORMATS_END + + +//------------------------------------------------- +// MACHINE_CONFIG_FRAGMENT( ql_trump_card ) +//------------------------------------------------- + +static MACHINE_CONFIG_FRAGMENT( ql_trump_card ) + MCFG_DEVICE_ADD(WD1772_TAG, WD1772, 8000000) + MCFG_FLOPPY_DRIVE_ADD(WD1772_TAG":0", ql_trump_card_floppies, "35dd", ql_trump_card_t::floppy_formats) + MCFG_FLOPPY_DRIVE_ADD(WD1772_TAG":1", ql_trump_card_floppies, NULL, ql_trump_card_t::floppy_formats) +MACHINE_CONFIG_END + + +//------------------------------------------------- +// machine_config_additions - device-specific +// machine configurations +//------------------------------------------------- + +machine_config_constructor ql_trump_card_t::device_mconfig_additions() const +{ + return MACHINE_CONFIG_NAME( ql_trump_card ); +} + + + +//************************************************************************** +// LIVE DEVICE +//************************************************************************** + +//------------------------------------------------- +// ql_trump_card_t - constructor +//------------------------------------------------- + +ql_trump_card_t::ql_trump_card_t(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) : + device_t(mconfig, QL_TRUMP_CARD, "QL Trump Card", tag, owner, clock, "ql_trump", __FILE__), + device_ql_expansion_card_interface(mconfig, *this), + m_fdc(*this, WD1772_TAG), + m_floppy0(*this, WD1772_TAG":0"), + m_floppy1(*this, WD1772_TAG":1"), + m_rom(*this, "rom"), + m_ram(*this, "ram"), + m_ram_size(0) +{ +} + +ql_trump_card_t::ql_trump_card_t(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source, int ram_size) : + device_t(mconfig, type, name, tag, owner, clock, shortname, __FILE__), + device_ql_expansion_card_interface(mconfig, *this), + m_fdc(*this, WD1772_TAG), + m_floppy0(*this, WD1772_TAG":0"), + m_floppy1(*this, WD1772_TAG":1"), + m_rom(*this, "rom"), + m_ram(*this, "ram"), + m_ram_size(ram_size) +{ +} + +ql_trump_card_256k_t::ql_trump_card_256k_t(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) + : ql_trump_card_t(mconfig, QL_TRUMP_CARD_256K, "QL Trump Card 256K", tag, owner, clock, "ql_trump256", __FILE__, 256*1024) { } + +ql_trump_card_512k_t::ql_trump_card_512k_t(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) + : ql_trump_card_t(mconfig, QL_TRUMP_CARD_512K, "QL Trump Card 512K", tag, owner, clock, "ql_trump512", __FILE__, 512*1024) { } + +ql_trump_card_768k_t::ql_trump_card_768k_t(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) + : ql_trump_card_t(mconfig, QL_TRUMP_CARD_768K, "QL Trump Card 768K", tag, owner, clock, "ql_trump768", __FILE__, 768*1024) { } + + +//------------------------------------------------- +// device_start - device-specific startup +//------------------------------------------------- + +void ql_trump_card_t::device_start() +{ + // allocate memory + m_ram.allocate(m_ram_size); + + // state saving + save_item(NAME(m_rom_en)); +} + + +//------------------------------------------------- +// device_reset - device-specific reset +//------------------------------------------------- + +void ql_trump_card_t::device_reset() +{ + m_fdc->set_floppy(NULL); + m_fdc->dden_w(0); + + m_rom_en = false; +} + + +//------------------------------------------------- +// read - +//------------------------------------------------- + +UINT8 ql_trump_card_t::read(address_space &space, offs_t offset, UINT8 data) +{ + if (offset >= 0xc000 && offset < 0x10000) + { + m_rom_en = true; + } + + if (offset >= 0x10000 && offset < 0x18000) + { + m_rom_en = false; + + data = m_rom->base()[offset & 0x7fff]; + } + + if (offset >= 0x1c000 && offset <= 0x1c003) + { + data = m_fdc->read(space, offset & 0x03); + } + + if (offset >= 0x40000 && offset < 0xc0000) + { + if ((offset - 0x40000) < m_ram_size) + { + data = m_ram[offset - 0x40000]; + } + } + + if (offset >= 0xc0000) + { + if (m_rom_en) + { + if (offset < 0xc8000) + { + data = m_rom->base()[offset & 0x7fff]; + } + } + else + { + if ((offset - 0x40000) < m_ram_size) + { + data = m_ram[offset - 0x40000]; + } + } + } + + return data; +} + + +//------------------------------------------------- +// write - +//------------------------------------------------- + +void ql_trump_card_t::write(address_space &space, offs_t offset, UINT8 data) +{ + if (offset >= 0x1c000 && offset <= 0x1c003) + { + m_fdc->write(space, offset & 0x03, data); + } + + if (offset == 0x1e000) + { + /* + + bit description + + 0 DRIVE1 + 1 DRIVE0 + 2 MOTOR + 3 SIDE + 4 + 5 + 6 + 7 + + */ + + floppy_image_device *floppy = NULL; + + if (BIT(data, 1)) + { + floppy = m_floppy0->get_device(); + } + else if (BIT(data, 0)) + { + floppy = m_floppy1->get_device(); + } + + m_fdc->set_floppy(floppy); + + if (floppy) + { + floppy->ss_w(BIT(data, 3)); + floppy->mon_w(!BIT(data, 2)); + } + } + + if (offset >= 0x40000 && offset < 0xc0000) + { + if ((offset - 0x40000) < m_ram_size) + { + m_ram[offset - 0x40000] = data; + } + } + + if (offset >= 0xc0000) + { + if (!m_rom_en) + { + m_ram[offset - 0x40000] = data; + } + } +} |