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diff --git a/src/mame/drivers/compc.cpp b/src/mame/drivers/compc.cpp
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-// license:BSD-3-Clause
-// copyright-holders:Carl
-// Commodore PC 10 / PC 20 / PC 30
-/***************************************************************************
-Commodore PC10 / PC20 / PC30
-Links: http://www.zimmers.net/cbmpics/cpcs.html , https://de.wikipedia.org/wiki/Commodore_PC-10_bis_PC-60 , http://mingos-commodorepage.tumblr.com/post/123656301482/commodore-pc-20-beim-pc-20-handelt-es-sich-um
-http://www.richardlagendijk.nl/cip/computer/item/pc20ii/de
-Form Factor: Desktop
-CPU: 8088 @ 4.77 MHz
-RAM: 256K / 512K / 640K
-BUS: 5x ISA
-Video: MDA
-Mass storage: PC10: 1 or 2x 5.25" 360K , PC20: 1x 360K + 10MB HD, PC30: 1x 360K + 20MB HD
-On board ports: Floppy, serial, parallel, speaker
-Options: 8087 FPU
-
-
-Commodore PC-10 III
-=============
-Links: http://dostalgie.de/downloads/pc10III-20III/PC10III_OM_COMMODORE_EN_DE.pdf ; ftp://ftp.zimmers.net/pub/cbm-pc/documents/PC-8088-Information.txt
-Info: PC10-III and PC20-III are the same machines - PC10 has two floppies, PC20 one floppy and one harddisk
-Form Factor: Desktop
-CPU: 8088 @ 4.77 MHz / 7.16 MHz / 9.54 MHz
-RAM: 640K
-Bus: 3x ISA
-Video: On board: MDA/CGA/Hercules/Plantronics
-Mass storage: 1x Floppy 5.25" 360K and (PC10) another 360K or (PC20) 3.5" harddisk
-On board ports: Floppy, XTA(8-bit IDE) Harddisk, Mouse, serial, parallel, RTC, Speaker
-Options: 8087 FPU
-***************************************************************************/
-
-#include "emu.h"
-
-#include "cpu/i86/i86.h"
-#include "machine/genpc.h"
-#include "machine/nvram.h"
-#include "machine/pckeybrd.h"
-
-#include "coreutil.h"
-
-
-class compc_state : public driver_device
-{
-public:
- compc_state(const machine_config &mconfig, device_type type, const char *tag) :
- driver_device(mconfig, type, tag),
- m_maincpu(*this, "maincpu"),
- m_mb(*this, "mb"),
- m_keyboard(*this, "pc_keyboard")
- { }
-
- required_device<cpu_device> m_maincpu;
- required_device<pc_noppi_mb_device> m_mb;
- required_device<pc_keyboard_device> m_keyboard;
-
- void machine_reset() override;
-
- void pioiii_w(offs_t offset, u8 data);
- u8 pioiii_r(offs_t offset);
- void pio_w(offs_t offset, u8 data);
- u8 pio_r(offs_t offset);
-
- void compc(machine_config &config);
- void pc10iii(machine_config &config);
- void compc1(machine_config &config);
- void compc_io(address_map &map);
- void compc_map(address_map &map);
- void compciii_io(address_map &map);
-private:
- u8 m_portb, m_dips;
-};
-
-void compc_state::machine_reset()
-{
- m_portb = 0;
- m_dips = 0;
-}
-
-void compc_state::pio_w(offs_t offset, u8 data)
-{
- switch (offset)
- {
- case 1:
- m_portb = data;
- m_mb->m_pit8253->write_gate2(BIT(data, 0));
- m_mb->pc_speaker_set_spkrdata(BIT(data, 1));
- m_keyboard->enable(BIT(data, 6));
- if(data & 0x80)
- m_mb->m_pic8259->ir1_w(0);
- break;
- }
-}
-
-
-u8 compc_state::pio_r(offs_t offset)
-{
- int data = 0;
- switch (offset)
- {
- case 0:
- data = m_keyboard->read();
- break;
- case 1:
- data = m_portb;
- break;
- case 2:
- if(BIT(m_portb, 3))
- {
- /* read hi nibble of S2 */
- data = (ioport("DSW0")->read() >> 4) & 0x0f;
- }
- else
- {
- /* read lo nibble of S2 */
- data = ioport("DSW0")->read() & 0x0f;
- }
- if(m_mb->pit_out2())
- data |= 0x20;
- break;
- }
- return data;
-}
-
-void compc_state::pioiii_w(offs_t offset, u8 data)
-{
- switch (offset)
- {
- case 1:
- m_portb = data;
- m_mb->m_pit8253->write_gate2(BIT(data, 0));
- m_mb->pc_speaker_set_spkrdata(BIT(data, 1));
- m_keyboard->enable(BIT(data, 6));
- if(data & 0x80)
- m_mb->m_pic8259->ir1_w(0);
- break;
- case 2:
- m_dips = (data & ~0x30) | ioport("DSW0")->read();
- break;
- }
-}
-
-
-u8 compc_state::pioiii_r(offs_t offset)
-{
- int data = 0;
- switch (offset)
- {
- case 0:
- data = m_keyboard->read();
- break;
- case 1:
- data = m_portb;
- break;
- case 2:
- if(!BIT(m_portb, 2))
- data = (m_dips >> 4) & 0x0f;
- else
- data = m_dips & 0x0f;
- if(m_mb->pit_out2())
- data |= 0x30;
- break;
- }
- return data;
-}
-
-static INPUT_PORTS_START(compciii)
- PORT_START("DSW0") /* IN1 */
- PORT_DIPNAME( 0x30, 0x30, "Graphics adapter")
- PORT_DIPSETTING( 0x00, "EGA/VGA" )
- PORT_DIPSETTING( 0x10, "Color 40x25" )
- PORT_DIPSETTING( 0x20, "Color 80x25" )
- PORT_DIPSETTING( 0x30, "Monochrome" )
-INPUT_PORTS_END
-
-static INPUT_PORTS_START(compc)
- PORT_START("DSW0") /* IN1 */
- PORT_DIPNAME( 0xc0, 0x40, "Number of floppy drives")
- PORT_DIPSETTING( 0x00, "1" )
- PORT_DIPSETTING( 0x40, "2" )
- PORT_DIPSETTING( 0x80, "3" )
- PORT_DIPSETTING( 0xc0, "4" )
- PORT_DIPNAME( 0x30, 0x30, "Graphics adapter")
- PORT_DIPSETTING( 0x00, "EGA/VGA" )
- PORT_DIPSETTING( 0x10, "Color 40x25" )
- PORT_DIPSETTING( 0x20, "Color 80x25" )
- PORT_DIPSETTING( 0x30, "Monochrome" )
- PORT_DIPNAME( 0x0c, 0x0c, "RAM banks")
- PORT_DIPSETTING( 0x00, "1 - 16/ 64/256K" )
- PORT_DIPSETTING( 0x04, "2 - 32/128/512K" )
- PORT_DIPSETTING( 0x08, "3 - 48/192/576K" )
- PORT_DIPSETTING( 0x0c, "4 - 64/256/640K" )
- PORT_DIPNAME( 0x02, 0x00, "8087 installed")
- PORT_DIPSETTING( 0x00, DEF_STR(No) )
- PORT_DIPSETTING( 0x02, DEF_STR(Yes) )
- PORT_DIPNAME( 0x01, 0x01, "Boot from floppy")
- PORT_DIPSETTING( 0x01, DEF_STR(Yes) )
- PORT_DIPSETTING( 0x00, DEF_STR(No) )
-INPUT_PORTS_END
-
-void compc_state::compc_map(address_map &map)
-{
- map.unmap_value_high();
- map(0xf0000, 0xfffff).rom().region("bios", 0);
-}
-
-void compc_state::compc_io(address_map &map)
-{
- map.unmap_value_high();
- map(0x0000, 0x00ff).m(m_mb, FUNC(pc_noppi_mb_device::map));
- map(0x0060, 0x0063).rw(FUNC(compc_state::pio_r), FUNC(compc_state::pio_w));
-}
-
-void compc_state::compciii_io(address_map &map)
-{
- map.unmap_value_high();
- map(0x0000, 0x00ff).m(m_mb, FUNC(pc_noppi_mb_device::map));
- map(0x0060, 0x0063).rw(FUNC(compc_state::pioiii_r), FUNC(compc_state::pioiii_w));
-}
-
-void compc_state::compc(machine_config &config)
-{
- I8088(config, m_maincpu, 4772720*2);
- m_maincpu->set_addrmap(AS_PROGRAM, &compc_state::compc_map);
- m_maincpu->set_addrmap(AS_IO, &compc_state::compc_io);
- m_maincpu->set_irq_acknowledge_callback("mb:pic8259", FUNC(pic8259_device::inta_cb));
-
- PCNOPPI_MOTHERBOARD(config, m_mb, 0).set_cputag(m_maincpu);
- m_mb->int_callback().set_inputline(m_maincpu, 0);
- m_mb->nmi_callback().set_inputline(m_maincpu, INPUT_LINE_NMI);
- config.device_remove("mb:pit8253");
- fe2010_pit_device &pit(FE2010_PIT(config, "mb:pit8253", 0));
- pit.set_clk<0>(XTAL(14'318'181)/12.0); /* heartbeat IRQ */
- pit.out_handler<0>().set("mb:pic8259", FUNC(pic8259_device::ir0_w));
- pit.set_clk<1>(XTAL(14'318'181)/12.0); /* dram refresh */
- pit.out_handler<1>().set(m_mb, FUNC(ibm5160_mb_device::pc_pit8253_out1_changed));
- pit.set_clk<2>(XTAL(14'318'181)/12.0); /* pio port c pin 4, and speaker polling enough */
- pit.out_handler<2>().set(m_mb, FUNC(ibm5160_mb_device::pc_pit8253_out2_changed));
-
- // FIXME: determine ISA bus clock
- ISA8_SLOT(config, "isa1", 0, "mb:isa", pc_isa8_cards, "mda", false);
- ISA8_SLOT(config, "isa2", 0, "mb:isa", pc_isa8_cards, "lpt", false);
- ISA8_SLOT(config, "isa3", 0, "mb:isa", pc_isa8_cards, "com", false);
- ISA8_SLOT(config, "isa4", 0, "mb:isa", pc_isa8_cards, "fdc_xt", false);
-
- PC_KEYB(config, m_keyboard);
- m_keyboard->keypress().set("mb:pic8259", FUNC(pic8259_device::ir1_w));
-
- /* internal ram */
- RAM(config, RAM_TAG).set_default_size("256K").set_extra_options("512K, 640K");
-
- /* software lists */
- SOFTWARE_LIST(config, "disk_list").set_original("ibm5150");
-}
-
-void compc_state::pc10iii(machine_config &config)
-{
- compc(config);
- m_maincpu->set_addrmap(AS_IO, &compc_state::compciii_io);
-}
-
-ROM_START(compc10)
- ROM_REGION(0x10000, "bios", 0)
- ROM_DEFAULT_BIOS("v205")
- ROM_SYSTEM_BIOS(0, "v201", "v2.01")
- ROMX_LOAD("bios2.01-380258-01.bin", 0xc000, 0x4000, CRC(921de6aa) SHA1(eb6c3fe4200cb40da20131b264521ba9f82021b2), ROM_BIOS(0))
- ROM_SYSTEM_BIOS(1, "v203", "v2.03")
- ROMX_LOAD("380258-03", 0xc000, 0x4000, CRC(fbe53865) SHA1(a6d6433c055d1c328f71403a2ed2fd5908c23d40), ROM_BIOS(1))
- ROM_SYSTEM_BIOS(2, "v205", "v2.05")
- ROMX_LOAD("380258-04", 0xc000, 0x4000, CRC(e61084da) SHA1(dfb360a6ec6cb1250d8a6243f12a0d702e8479cb), ROM_BIOS(2))
-ROM_END
-
-// Note: Commodore PC20-III, PC10-III and COLT share the same BIOS
-ROM_START(pc10iii)
- ROM_DEFAULT_BIOS("v441")
- ROM_SYSTEM_BIOS(0, "v435", "v4.35")
- ROM_SYSTEM_BIOS(1, "v435c", "v4.35c")
- ROM_SYSTEM_BIOS(2, "v436", "v4.36")
- ROM_SYSTEM_BIOS(3, "v436b", "v4.36b")
- ROM_SYSTEM_BIOS(4, "v436c", "v4.36c")
- ROM_SYSTEM_BIOS(5, "v438", "v4.38")
- ROM_SYSTEM_BIOS(6, "v439", "v4.39")
- ROM_SYSTEM_BIOS(7, "v440", "v4.40")
- ROM_SYSTEM_BIOS(8, "v441", "v4.41")
-
- ROM_REGION(0x10000, "bios", 0)
- ROMX_LOAD("318085-01.u201", 0x8000, 0x8000, CRC(be752d1e) SHA1(5e5e63cd6d6269816cd691602e4c4d209fe3df67), ROM_BIOS(0))
- ROMX_LOAD("318085-01_pc-3_bios_4.35c.bin", 0x8000, 0x8000, CRC(adbc4ab7) SHA1(c157e5bc115906705849f185e4fe8e42ab28930c), ROM_BIOS(1))
- ROMX_LOAD("318085-02.u201", 0x8000, 0x8000, CRC(db0c9d04) SHA1(1314ce606840f4f78e58e5f78909e8971387f387), ROM_BIOS(2))
- ROMX_LOAD("318085-03.u201", 0x8000, 0x8000, CRC(559e6b76) SHA1(cdfd4781f3520db7f5111469ebb29c10b39ab587), ROM_BIOS(3))
- ROMX_LOAD("318085-04.u201", 0x8000, 0x8000, CRC(f81e67f0) SHA1(b46613cb5c6ac4beb769778bc35f81777ebe02e1), ROM_BIOS(4))
- ROMX_LOAD("318085-05.u201", 0x8000, 0x8000, CRC(ae9e6a31) SHA1(853ee251cf230818c407a8d13ef060a21c90a8c1), ROM_BIOS(5))
- ROMX_LOAD("318085-06.u201", 0x8000, 0x8000, CRC(1901993c) SHA1(f75060c1c442376bd42c61e74fa9eee053351791), ROM_BIOS(6))
- ROMX_LOAD("318085-07.u201", 0x8000, 0x8000, CRC(505d52b0) SHA1(f717c6ab791d51f35e1c38ffbc81a44075b5f2f8), ROM_BIOS(7))
- ROMX_LOAD("318085-08.u201", 0x8000, 0x8000, CRC(7e228dc8) SHA1(958dfdd637bd31c01b949fac729d6973a7e630bc), ROM_BIOS(8))
-
- ROM_REGION(0x8000, "gfx1", 0)
- ROMX_LOAD("318086-01_p10c_164a.bin", 0x0000, 0x4000, CRC(ee6c27f0) SHA1(e769cc3a49a1d708bd74eb4ac85bb6ea67220d38), ROM_BIOS(0)) // came with ROM 4.35c
- ROMX_LOAD("318086-01_p10c_164a.bin", 0x0000, 0x4000, CRC(ee6c27f0) SHA1(e769cc3a49a1d708bd74eb4ac85bb6ea67220d38), ROM_BIOS(1))
- ROMX_LOAD("318086-02.u607", 0x0000, 0x8000, CRC(b406651c) SHA1(856f58353391a74a06ebb8ec9f8333d7d69e5fd6), ROM_BIOS(2))
- ROMX_LOAD("318086-02.u607", 0x0000, 0x8000, CRC(b406651c) SHA1(856f58353391a74a06ebb8ec9f8333d7d69e5fd6), ROM_BIOS(3))
- ROMX_LOAD("318086-02.u607", 0x0000, 0x8000, CRC(b406651c) SHA1(856f58353391a74a06ebb8ec9f8333d7d69e5fd6), ROM_BIOS(4))
- ROMX_LOAD("318086-02.u607", 0x0000, 0x8000, CRC(b406651c) SHA1(856f58353391a74a06ebb8ec9f8333d7d69e5fd6), ROM_BIOS(5))
- ROMX_LOAD("318086-02.u607", 0x0000, 0x8000, CRC(b406651c) SHA1(856f58353391a74a06ebb8ec9f8333d7d69e5fd6), ROM_BIOS(6))
- ROMX_LOAD("318086-02.u607", 0x0000, 0x8000, CRC(b406651c) SHA1(856f58353391a74a06ebb8ec9f8333d7d69e5fd6), ROM_BIOS(7))
- ROMX_LOAD("318086-02.u607", 0x0000, 0x8000, CRC(b406651c) SHA1(856f58353391a74a06ebb8ec9f8333d7d69e5fd6), ROM_BIOS(8))
-ROM_END
-
-
-/*********************************************************** Commodore PC-1 ***
-
-Links: http://www.amiga-stuff.com/hardware/pc-i.html , http://www.zimmers.net/cbmpics/cpci.html
-Form Factor: Desktop
-CPU: 8088 @ 4.77 MHz
-RAM: 512K / 640K
-Bus: Proprietary expansion slot, carrying almost all ISA signals
-Video: On board, MDA/Hercules/CGA
-Mass storage: 1x 5.25" 360K
-On board ports: Floppy, floppy expansion (for Amiga A1010/1011 (720 KB, 3.5") or A1020 (360 KB, 5.25" drives), speaker (but no speaker fitted), mouse,
-Options: 8087 FPU
-Expansion: Expansion box: 2x ISA
-
-******************************************************************************/
-
-ROM_START( compc1 )
- ROM_DEFAULT_BIOS("bios12")
- ROM_REGION(0x10000, "bios", 0)
- ROM_SYSTEM_BIOS(0, "bios11", "PC-1 BIOS Rev. 1.1")
- ROMX_LOAD("pc1_bios.bin", 0xc000, 0x4000, CRC(e37367c8) SHA1(9aac9c38b4ebdb9a740e393199c2eff75a0bde03), ROM_BIOS(1))
- ROM_SYSTEM_BIOS(1, "bios12", "PC-1 BIOS Rev. 1.2")
- ROMX_LOAD("cbm-pci-bios-v1.2-380270-02.bin", 0xc000, 0x4000, CRC(7f744f87) SHA1(07f94a7e8ca4ddd1c738b304d24358711b4cd2ca), ROM_BIOS(1))
- ROM_REGION(0x8000, "gfx1", 0)
- ROM_LOAD("pc1_char.bin", 0x0000, 0x4000, CRC(ee6c27f0) SHA1(e769cc3a49a1d708bd74eb4ac85bb6ea67220d38))
-ROM_END
-
-// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
-COMP( 1984, compc10, ibm5150, 0, compc, compc, compc_state, empty_init, "Commodore Business Machines", "Commodore PC 10", MACHINE_NOT_WORKING )
-COMP( 1987, pc10iii, ibm5150, 0, pc10iii, compciii, compc_state, empty_init, "Commodore Business Machines", "Commodore PC-10 III", MACHINE_NOT_WORKING )
-COMP( 198?, compc1, ibm5150, 0, pc10iii, compciii, compc_state, empty_init, "Commodore Business Machines", "PC-1", MACHINE_NOT_WORKING )