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Diffstat (limited to 'src/mame/drivers/tosh1000.cpp')
-rw-r--r-- | src/mame/drivers/tosh1000.cpp | 308 |
1 files changed, 0 insertions, 308 deletions
diff --git a/src/mame/drivers/tosh1000.cpp b/src/mame/drivers/tosh1000.cpp deleted file mode 100644 index 5b8c4ff2d35..00000000000 --- a/src/mame/drivers/tosh1000.cpp +++ /dev/null @@ -1,308 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Sergey Svishchev -/*************************************************************************** - - Toshiba T1000 portable - - 80C88 CPU @ 5 MHz [OKI MSM80C88A-10GS-K (56 pin PQFP)] - 512KB RAM + 16KB video RAM - 32KB BIOS ROM [Toshiba TC54256AD] - 256KB MS-DOS 2.11 ROM [Toshiba TC534000] - SuperIO chip (Toshiba T7885, T7885A or T7885B) = 82C84 + 82C88 + 82C59 + upd765 + 82C53 + 82C37 + 82C55 - Real Time Clock chip: TC8521P - Keyboard controller: 80C50 - RS232C controller: TC8570F (8250 compatible) - - Other chips seen on board photo: - - DC2131P137A - DC2130P174A - TC5565AFL-15 x2 - TC53257F 32KB Mask ROM (chargen?) - DC2___P13_A - - To do: - - floppy - - backup ram (stores config.sys) - - HardRAM (static RAM board) - - native keyboard (MCU dump missing) - - font selector (CRTC register 0x12; DIP switches PJ20, PJ21) - - Useful links: - - board photo: http://s8.hostingkartinok.com/uploads/images/2016/05/579e9d152bc772d9c16bc8ac611eb97f.jpg - - manuals: http://www.minuszerodegrees.net/manuals/Toshiba/Toshiba.htm - - http://www.seasip.info/VintagePC/t1000.html - -***************************************************************************/ - - -#include "emu.h" - -#include "machine/genpc.h" -#include "bus/isa/isa_cards.h" -#include "bus/pc_kbd/keyboards.h" -#include "cpu/i86/i86.h" -#include "machine/bankdev.h" -#include "machine/ram.h" -#include "machine/rp5c01.h" -#include "machine/tosh1000_bram.h" -#include "softlist.h" - - -//#define LOG_GENERAL (1U << 0) //defined in logmacro.h already -#define LOG_KEYBOARD (1U << 1) -#define LOG_DEBUG (1U << 2) - -//#define VERBOSE (LOG_DEBUG) -//#define LOG_OUTPUT_FUNC printf -#include "logmacro.h" - -#define LOGKBD(...) LOGMASKED(LOG_KEYBOARD, __VA_ARGS__) -#define LOGDBG(...) LOGMASKED(LOG_DEBUG, __VA_ARGS__) - - -class tosh1000_state : public driver_device -{ -public: - tosh1000_state(const machine_config &mconfig, device_type type, const char *tag) - : driver_device(mconfig, type, tag) - , m_maincpu(*this, "maincpu") - , m_bankdev(*this, "bankdev") - , m_bram(*this, "bram") - { } - - void tosh1000(machine_config &config); - - void init_tosh1000(); - -private: - DECLARE_MACHINE_RESET(tosh1000); - - DECLARE_WRITE8_MEMBER(romdos_bank_w); - DECLARE_READ8_MEMBER(romdos_bank_r); - - DECLARE_WRITE8_MEMBER(bram_w); - DECLARE_READ8_MEMBER(bram_r); - - static void cfg_fdc_35(device_t *device); - void tosh1000_io(address_map &map); - void tosh1000_map(address_map &map); - void tosh1000_romdos(address_map &map); - - required_device<cpu_device> m_maincpu; - required_device<address_map_bank_device> m_bankdev; - required_device<tosh1000_bram_device> m_bram; - - enum { - IDLE, READ_DATA, WRITE_DATA - }; - - bool m_bram_latch = false; - int m_bram_offset = 0; - int m_bram_state = IDLE; -}; - - -void tosh1000_state::init_tosh1000() -{ -} - -MACHINE_RESET_MEMBER(tosh1000_state, tosh1000) -{ - m_bram_latch = false; - m_bram_offset = 0; - m_bram_state = IDLE; - m_bankdev->set_bank(8); -} - - -WRITE8_MEMBER(tosh1000_state::romdos_bank_w) -{ - LOGDBG("ROM-DOS <- %02x (%s, accessing bank %d)\n", data, BIT(data, 7)?"enable":"disable", data&7); - - if (BIT(data, 7)) - { - m_bankdev->set_bank(data & 7); - } - else - { - m_bankdev->set_bank(8); - } -} - -WRITE8_MEMBER(tosh1000_state::bram_w) -{ - LOGDBG("BRAM %02x <- %02x\n", 0xc0 + offset, data); - - switch (offset) - { - case 1: - if (m_bram_latch) - { - LOG("Backup RAM %02x <- %02x\n", m_bram_offset % 160, data); - m_bram->write(m_bram_offset % 160, data); - m_bram_offset++; - } - else - { - if (m_bram_state == WRITE_DATA) - { - m_bram_latch = true; - m_bram_offset = 0; - } - } - break; - - case 3: - switch (data & 0xc0) - { - case 0: - m_bram_state = IDLE; - break; - - case 0x40: - m_bram_state = READ_DATA; - break; - - case 0x80: - m_bram_state = WRITE_DATA; - m_bram_latch = false; - break; - - default: - m_bram_state = IDLE; - break; - } - break; - } -} - -READ8_MEMBER(tosh1000_state::bram_r) -{ - uint8_t data = 0; - - switch (offset) - { - case 2: - if (m_bram_state == READ_DATA) - { - data = m_bram->read(m_bram_offset % 160); - LOG("BRAM @ %02x == %02x\n", m_bram_offset % 160, data); - m_bram_offset++; - } - break; - - case 3: - data = 0x2c; - switch (m_bram_state) - { - case IDLE: - // bit 4 -- floppy drive disk change signal - break; - - case READ_DATA: - data |= 0x43; // always ready to read (and write ??) - break; - - case WRITE_DATA: - data |= 0x82; // always ready to write - break; - } - break; - } - - LOGDBG("BRAM %02x == %02x\n", 0xc0 + offset, data); - - return data; -} - - -void tosh1000_state::tosh1000_romdos(address_map &map) -{ - map(0x00000, 0x0ffff).rom().region("romdos", 0); - map(0x10000, 0x1ffff).rom().region("romdos", 0x10000); - map(0x20000, 0x2ffff).rom().region("romdos", 0x20000); - map(0x30000, 0x3ffff).rom().region("romdos", 0x30000); - map(0x40000, 0x4ffff).rom().region("romdos", 0x40000); - map(0x50000, 0x5ffff).rom().region("romdos", 0x50000); - map(0x60000, 0x6ffff).rom().region("romdos", 0x60000); - map(0x70000, 0x7ffff).rom().region("romdos", 0x70000); -} - -void tosh1000_state::tosh1000_map(address_map &map) -{ - map.unmap_value_high(); - map(0xa0000, 0xaffff).rw(m_bankdev, FUNC(address_map_bank_device::read8), FUNC(address_map_bank_device::write8)); - map(0xf8000, 0xfffff).rom().region("bios", 0); -} - -void tosh1000_state::tosh1000_io(address_map &map) -{ - map.unmap_value_high(); - map(0x0000, 0x00ff).m("mb", FUNC(ibm5160_mb_device::map)); - map(0x00c0, 0x00c3).rw(FUNC(tosh1000_state::bram_r), FUNC(tosh1000_state::bram_w)); - map(0x00c8, 0x00c8).w(FUNC(tosh1000_state::romdos_bank_w)); // ROM-DOS page select [p. B-15] - map(0x02c0, 0x02df).rw("rtc", FUNC(tc8521_device::read), FUNC(tc8521_device::write)); -} - - -void tosh1000_state::cfg_fdc_35(device_t *device) -{ - dynamic_cast<device_slot_interface &>(*device->subdevice("fdc:0")).set_default_option("35dd"); - dynamic_cast<device_slot_interface &>(*device->subdevice("fdc:0")).set_fixed(true); - dynamic_cast<device_slot_interface &>(*device->subdevice("fdc:1")).set_default_option(nullptr); -} - -void tosh1000_state::tosh1000(machine_config &config) -{ - I8088(config, m_maincpu, XTAL(5'000'000)); - m_maincpu->set_addrmap(AS_PROGRAM, &tosh1000_state::tosh1000_map); - m_maincpu->set_addrmap(AS_IO, &tosh1000_state::tosh1000_io); - m_maincpu->set_irq_acknowledge_callback("mb:pic8259", FUNC(pic8259_device::inta_cb)); - - ADDRESS_MAP_BANK(config, "bankdev").set_map(&tosh1000_state::tosh1000_romdos).set_options(ENDIANNESS_LITTLE, 8, 20, 0x10000); - - MCFG_MACHINE_RESET_OVERRIDE(tosh1000_state, tosh1000) - - ibm5160_mb_device &mb(IBM5160_MOTHERBOARD(config, "mb", 0)); - mb.set_cputag(m_maincpu); - mb.int_callback().set_inputline(m_maincpu, 0); - mb.nmi_callback().set_inputline(m_maincpu, INPUT_LINE_NMI); - - TC8521(config, "rtc", XTAL(32'768)); - - // FIXME: determine ISA bus clock - ISA8_SLOT(config, "isa1", 0, "mb:isa", pc_isa8_cards, "cga", false); - ISA8_SLOT(config, "isa2", 0, "mb:isa", pc_isa8_cards, "fdc_xt", false).set_option_machine_config("fdc_xt", cfg_fdc_35); - ISA8_SLOT(config, "isa3", 0, "mb:isa", pc_isa8_cards, "lpt", false); - ISA8_SLOT(config, "isa4", 0, "mb:isa", pc_isa8_cards, "com", false); - ISA8_SLOT(config, "isa5", 0, "mb:isa", pc_isa8_cards, nullptr, false); - ISA8_SLOT(config, "isa6", 0, "mb:isa", pc_isa8_cards, nullptr, false); - -// SOFTWARE_LIST(config, "flop_list").set_original("tosh1000"); - - // uses a 80C50 instead of 8042 for KBDC - PC_KBDC_SLOT(config, "kbd", pc_xt_keyboards, STR_KBD_KEYTRONIC_PC3270).set_pc_kbdc_slot(subdevice("mb:pc_kbdc")); - - RAM(config, RAM_TAG).set_default_size("512K"); - - TOSH1000_BRAM(config, m_bram, 0); -} - - -ROM_START( tosh1000 ) - ROM_REGION(0x8000, "bios", 0) - ROM_SYSTEM_BIOS(0, "v410", "V4.10") - ROMX_LOAD( "026f.27c256.ic25", 0x0000, 0x8000, CRC(a854939f) SHA1(0ff532f295a40716f53949a2fd64d02bf76d575a), ROM_BIOS(0)) - - ROM_REGION(0x80000, "romdos", 0) - ROM_LOAD("tc534000p__b004.dos.ic26", 0x0000, 0x80000, CRC(716027f6) SHA1(563e3a7e1961d4cda216169bd1ecc66925a101aa)) - - /* XXX IBM 1501981(CGA) and 1501985(MDA) Character rom */ - ROM_REGION(0x2000, "gfx1", 0) - ROM_LOAD("5788005.u33", 0x00000, 0x2000, CRC(0bf56d70) SHA1(c2a8b10808bf51a3c123ba3eb1e9dd608231916f)) /* "AMI 8412PI // 5788005 // (C) IBM CORP. 1981 // KOREA" */ -ROM_END - - -// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS -COMP( 1987, tosh1000, ibm5150, 0, tosh1000, 0, tosh1000_state, init_tosh1000, "Toshiba", "Toshiba T1000", MACHINE_IS_SKELETON ) |