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Diffstat (limited to 'src/mame/drivers/v1050.cpp')
-rw-r--r--src/mame/drivers/v1050.cpp1155
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diff --git a/src/mame/drivers/v1050.cpp b/src/mame/drivers/v1050.cpp
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index cc335788828..00000000000
--- a/src/mame/drivers/v1050.cpp
+++ /dev/null
@@ -1,1155 +0,0 @@
-// license:BSD-3-Clause
-// copyright-holders:Curt Coder
-/*
-
-Visual 1050
-
-PCB Layout
-----------
-
-REV B-1
-
-|---------------------------------------------------------------------------------------------------|
-| |----------| |
-| 9216 | ROM0 | LS74 |
-| |----------| |
--- LS00 7406 LS255 LS393 4164 4164 |
-|| |-----------| |----------| |
-|| | WD1793 | LS14 7407 - LS393 LS74 | 8251A | 4164 4164 |
-|| |-----------| | |----------| |
-|C | 4164 4164 |
-|N 7406 LS00 LS74 LS14 |C LS20 LS08 LS75 |
-|1 |N 4164 4164 |
-|| |5 |
-|| 7406 LS195 LS244 | LS04 LS32 LS08 4164 4164 |
-|| - |
-|| |------------| |--------| 4164 4164 |
--- BAT | 8255A | | 8214 | LS139 LS32 LS138 LS17 |
--- |------------| |--------| - 4164 4164 |
-|| |C |
-|| |--------| LS00 LS00 |N LS00 LS32 LS138 4164 4164 |
-|C | 8251A | |6 |
-|N |--------| |------------| - |------------| |
-|2 | 8255A | | Z80A | |
-|| 1488 1489 RTC |------------| LS00 LS32 |------------| LS257 LS257 |
-|| |
--- |------------| |------------| |
-| LS04 | 8255A | | 8255A | |
-| |------------| |------------| |
-| |
-| 7404 LS257 LS257 |
-| 16MHz |
-| LS04 LS74 LS257 9016 9016 |
-| |
--- LS74 LS04 LS74 LS163 9016 9016 |
-|| |
-|| 9016 9016 |
-|| LS02 LS163 LS74 7404 7404 |
-|| 9016 9016 |
-|| |
-|C LS244 LS10 LS257 LS362 |----------| 9016 9016 |
-|N | ROM1 | |
-|3 LS245 7404 LS273 LS32 |----------| 9016 9016 |
-|| |
-|| 7407 LS174 LS32 9016 9016 |
-|| 15.36MHz |
-|| |------------| 9016 9016 |
--- LS09 LS04 LS12 | 6502 | |
-| |------------| 9016 9016 |
--- |
-|C LS175 LS86 LS164 LS164 9016 9016 |
-|N |------------| |
-|4 | 6845 | LS253 LS253 |
--- 7426 LS02 LS74 LS00 LS164 |------------| |
-| LS253 LS253 |
-| REV B-1 W/O 1059 S/N 492 |
-|---------------------------------------------------------------------------------------------------|
-
-Notes:
- All IC's shown.
-
- ROM0 - "IC 244-032 V1.0"
- ROM1 - "IC 244-033 V1.0"
- Z80A - Zilog Z8400APS Z80A CPU
- 6502 - Synertek SY6502A CPU
- 4164 - NEC D4164-2 64Kx1 Dynamic RAM
- 9016 - AMD AM9016EPC 16Kx1 Dynamic RAM
- 8214 - NEC uPB8214C Priority Interrupt Control Unit
- 8255A - NEC D8255AC-5 Programmable Peripheral Interface
- 8251A - NEC D8251AC Programmable Communication Interface
- WD1793 - Mitsubishi MB8877 Floppy Disc Controller
- 9216 - SMC FDC9216 Floppy Disk Data Separator
- 1488 - Motorola MC1488 Quad Line EIA-232D Driver
- 1489 - Motorola MC1489 Quad Line Receivers
- 6845 - Hitachi HD46505SP CRT Controller
- RTC - OKI MSM58321RS Real Time Clock
- BAT - 3.4V battery
- CN1 - parallel connector
- CN2 - serial connector
- CN3 - winchester connector
- CN4 - monitor connector
- CN5 - floppy data connector
- CN6 - floppy power connector
-
-*/
-
-/*
-
- Using the hard disk
- -------------------
-
- Use the chdman utility to create a Tandon TM501 (5MB) or CMI CM-5412 (10MB) hard disk image:
-
- $ chdman createhd -chs 306,2,32 -ss 256 -o tm501.chd
- $ chdman createhd -chs 306,4,32 -ss 256 -o cm5412.chd
-
- Start the Visual 1050 emulator with the floppy and hard disk images mounted:
-
- $ mess v1050 -flop1 cpm3:flop2 -hard tm501.chd
- $ mess v1050 -flop1 cpm3:flop2 -hard cm5412.chd
-
- Start the Winchester Format Program from the CP/M prompt:
-
- A>fmtwinch
-
- Enter Y to continue.
- Enter A for 5MB, or B for 10MB hard disk.
- Enter C to start formatting.
-
- Once the formatting is complete, the CP/M system files need to be copied over to the hard disk:
-
- A>copysys
-
- Enter source drive name "a" and press RETURN.
- Enter target drive name "c" and press RETURN.
- Enter "y" at the prompt for CPM3.SYS.
- Enter "y" at the prompt for CCP.COM.
- Press RETURN to return to CP/M.
-
- You can now boot from the hard disk with:
-
- $ mess v1050 -hard tm501.chd
- $ mess v1050 -hard cm5412.chd
-
- Or skip all of the above and use the preformatted images in the software list:
-
- $ mess v1050 -hard cpm3hd5
- $ mess v1050 -hard cpm3hd10
-
-*/
-
-/*
-
- TODO:
-
- - floppy 1 is broken
- - write to banked RAM at 0x0000-0x1fff when ROM is active
- - real keyboard w/i8049
- - keyboard beeper (NE555 wired in strange mix of astable/monostable modes)
-
-*/
-
-#include "emu.h"
-#include "includes/v1050.h"
-
-#include "bus/rs232/rs232.h"
-
-#include "softlist.h"
-#include "speaker.h"
-
-
-void v1050_state::set_interrupt(int line, int state)
-{
- if (state)
- {
- m_int_state |= (1 << line);
- }
- else
- {
- m_int_state &= ~(1 << line);
- }
-
- m_pic->r_w(line, ((m_int_state & m_int_mask) & (1 << line)) ? 0 : 1);
-}
-
-void v1050_state::bankswitch()
-{
- address_space &program = m_maincpu->space(AS_PROGRAM);
-
- int bank = (m_bank >> 1) & 0x03;
-
- if (BIT(m_bank, 0))
- {
- program.install_readwrite_bank(0x0000, 0x1fff, "bank1");
- membank("bank1")->set_entry(bank);
- }
- else
- {
- program.install_read_bank(0x0000, 0x1fff, "bank1");
- program.unmap_write(0x0000, 0x1fff);
- membank("bank1")->set_entry(3);
- }
-
- membank("bank2")->set_entry(bank);
-
- if (bank == 2)
- {
- program.unmap_readwrite(0x4000, 0xbfff);
- }
- else
- {
- program.install_readwrite_bank(0x4000, 0x7fff, "bank3");
- program.install_readwrite_bank(0x8000, 0xbfff, "bank4");
- membank("bank3")->set_entry(bank);
- membank("bank4")->set_entry(bank);
- }
-
- membank("bank5")->set_entry(bank);
-}
-
-// Keyboard HACK
-
-static const uint8_t V1050_KEYCODES[4][12][8] =
-{
- { // unshifted
- { 0xc0, 0xd4, 0xd8, 0xdc, 0xe0, 0xe4, 0xe8, 0xec },
- { 0xf0, 0xfc, 0x90, 0xf4, 0xf8, 0x94, 0xc4, 0xc8 },
- { 0xcc, 0xd0, 0x1b, 0x31, 0x32, 0x33, 0x34, 0x35 },
- { 0x36, 0x37, 0x38, 0x39, 0x30, 0x2d, 0x3d, 0x60 },
- { 0x08, 0x88, 0x8c, 0x71, 0x77, 0x65, 0x72, 0x74 },
- { 0x79, 0x75, 0x69, 0x6f, 0x70, 0x5b, 0x5d, 0x0d },
- { 0x7f, 0x00, 0x80, 0x61, 0x73, 0x64, 0x66, 0x67 },
- { 0x68, 0x6a, 0x6b, 0x6c, 0x3b, 0x27, 0x5c, 0x84 },
- { 0x00, 0x7a, 0x78, 0x63, 0x76, 0x62, 0x6e, 0x6d },
- { 0x2c, 0x2e, 0x2f, 0x00, 0x0a, 0x20, 0x81, 0x82 },
- { 0xb7, 0xb8, 0xb9, 0xad, 0xb4, 0xb5, 0xb6, 0xac },
- { 0xb1, 0xb2, 0xb3, 0x83, 0xb0, 0xae, 0x00, 0x00 },
- },
-
- { // shifted
- { 0xc1, 0xd5, 0xd9, 0xdd, 0xe1, 0xe5, 0xe9, 0xed },
- { 0xf1, 0xfd, 0x91, 0xf5, 0xf9, 0x95, 0xc5, 0xc9 },
- { 0xcd, 0xd1, 0x1b, 0x21, 0x40, 0x23, 0x24, 0x25 },
- { 0x5e, 0x26, 0x2a, 0x28, 0x29, 0x5f, 0x2b, 0x7e },
- { 0x08, 0x89, 0x8d, 0x51, 0x57, 0x45, 0x52, 0x54 },
- { 0x59, 0x55, 0x49, 0x4f, 0x50, 0x7b, 0x7d, 0x0d },
- { 0x7f, 0x00, 0x80, 0x41, 0x53, 0x44, 0x46, 0x47 },
- { 0x48, 0x4a, 0x4b, 0x4c, 0x3a, 0x22, 0x7c, 0x85 },
- { 0x00, 0x5a, 0x58, 0x43, 0x56, 0x42, 0x4e, 0x4d },
- { 0x3c, 0x3e, 0x3f, 0x0a, 0x20, 0x81, 0x82, 0xb7 },
- { 0xb8, 0xb9, 0xad, 0xb4, 0xb5, 0xb6, 0xac, 0xb1 },
- { 0xb2, 0xb3, 0x83, 0xb0, 0xa0, 0x00, 0x00, 0x00 },
- },
-
- { // control
- { 0xc2, 0xd6, 0xda, 0xde, 0xe2, 0xe6, 0xea, 0xee },
- { 0xf2, 0xfe, 0x92, 0xf6, 0xfa, 0x96, 0xc6, 0xca },
- { 0xce, 0xd2, 0x1b, 0x31, 0x32, 0x33, 0x34, 0x35 },
- { 0x36, 0x37, 0x38, 0x39, 0x30, 0x2d, 0x3d, 0x00 },
- { 0x08, 0x8a, 0x8e, 0x11, 0x17, 0x05, 0x12, 0x14 },
- { 0x19, 0x15, 0x09, 0x0f, 0x10, 0x1b, 0x1d, 0x0d },
- { 0x7f, 0x00, 0x80, 0x01, 0x13, 0x04, 0x06, 0x07 },
- { 0x08, 0x0a, 0x0b, 0x0c, 0x3b, 0x27, 0x1c, 0x86 },
- { 0x00, 0x1a, 0x18, 0x03, 0x16, 0x02, 0x0e, 0x0d },
- { 0x2c, 0x2e, 0x2f, 0x0a, 0x20, 0x81, 0x82, 0xb7 },
- { 0xb8, 0xb9, 0xad, 0xb4, 0xb5, 0xb6, 0xac, 0xb1 },
- { 0xb2, 0xb3, 0x83, 0xb0, 0xae, 0x00, 0x00, 0x00 },
- },
-
- { // shift & control
- { 0xc3, 0xd7, 0xdb, 0xdf, 0xe3, 0xe7, 0xeb, 0xef },
- { 0xf3, 0xff, 0x93, 0xf7, 0xfb, 0x97, 0xc7, 0xcb },
- { 0xcf, 0xd3, 0x1b, 0x21, 0x00, 0x23, 0x24, 0x25 },
- { 0x1e, 0x26, 0x2a, 0x28, 0x29, 0x1f, 0x2b, 0x1e },
- { 0x08, 0x8b, 0x8f, 0x11, 0x17, 0x05, 0x12, 0x14 },
- { 0x19, 0x15, 0x09, 0x0f, 0x10, 0x1b, 0x1d, 0x0d },
- { 0x7f, 0x00, 0x80, 0x01, 0x13, 0x04, 0x06, 0x07 },
- { 0x08, 0x0a, 0x0b, 0x0c, 0x3a, 0x22, 0x1c, 0x87 },
- { 0x00, 0x1a, 0x18, 0x03, 0x16, 0x02, 0x0e, 0x0d },
- { 0x3c, 0x3e, 0x3f, 0x0a, 0x20, 0x81, 0x82, 0xb7 },
- { 0xb8, 0xb9, 0xad, 0xb4, 0xb5, 0xb6, 0xac, 0xb1 },
- { 0xb2, 0xb3, 0x83, 0xb0, 0xae, 0x00, 0x00, 0x00 },
- }
-};
-
-void v1050_state::scan_keyboard()
-{
- static const char *const keynames[] = { "ROW0", "ROW1", "ROW2", "ROW3", "ROW4", "ROW5", "ROW6", "ROW7", "ROW8", "ROW9", "ROW10", "ROW11" };
- int table = 0, row, col;
- int keydata = 0xff;
-
- uint8_t line_mod = ioport("ROW12")->read();
-
- if((line_mod & 0x07) && (line_mod & 0x18))
- {
- table = 3; // shift & control
- }
- else if (line_mod & 0x07)
- {
- table = 1; // shifted
- }
- else if (line_mod & 0x18)
- {
- table = 2; // ctrl
- }
-
- // scan keyboard
- for (row = 0; row < 12; row++)
- {
- uint8_t data = ioport(keynames[row])->read();
-
- for (col = 0; col < 8; col++)
- {
- if (!BIT(data, col))
- {
- // latch key data
- keydata = V1050_KEYCODES[table][row][col];
-
- if (m_keydata != keydata)
- {
- m_keydata = keydata;
- m_keyavail = 1;
-
- set_interrupt(INT_KEYBOARD, 1);
- return;
- }
- }
- }
- }
-
- m_keydata = keydata;
-}
-
-TIMER_DEVICE_CALLBACK_MEMBER(v1050_state::v1050_keyboard_tick)
-{
- scan_keyboard();
-}
-
-READ8_MEMBER( v1050_state::kb_data_r )
-{
- m_keyavail = 0;
-
- set_interrupt(INT_KEYBOARD, 0);
-
- return m_keydata;
-}
-
-READ8_MEMBER( v1050_state::kb_status_r )
-{
- uint8_t val = m_uart_kb->status_r();
-
- return val | (m_keyavail ? 0x02 : 0x00);
-}
-
-// Z80 Read/Write Handlers
-
-WRITE8_MEMBER( v1050_state::v1050_i8214_w )
-{
- m_pic->b_w((data >> 1) & 0x07);
- m_pic->sgs_w(BIT(data, 4));
-}
-
-READ8_MEMBER( v1050_state::vint_clr_r )
-{
- set_interrupt(INT_VSYNC, 0);
-
- return 0xff;
-}
-
-WRITE8_MEMBER( v1050_state::vint_clr_w )
-{
- set_interrupt(INT_VSYNC, 0);
-}
-
-READ8_MEMBER( v1050_state::dint_clr_r )
-{
- set_interrupt(INT_DISPLAY, 0);
-
- return 0xff;
-}
-
-WRITE8_MEMBER( v1050_state::dint_clr_w )
-{
- set_interrupt(INT_DISPLAY, 0);
-}
-
-WRITE8_MEMBER( v1050_state::bank_w )
-{
- m_bank = data;
-
- bankswitch();
-}
-
-// SY6502A Read/Write Handlers
-
-WRITE8_MEMBER( v1050_state::dint_w )
-{
- set_interrupt(INT_DISPLAY, 1);
-}
-
-WRITE8_MEMBER( v1050_state::dvint_clr_w )
-{
- m_subcpu->set_input_line(INPUT_LINE_IRQ0, CLEAR_LINE);
-}
-
-WRITE8_MEMBER( v1050_state::sasi_data_w )
-{
- m_sasi_data = data;
-
- if (m_sasi_data_enable)
- {
- m_sasi_data_out->write(m_sasi_data);
- }
-}
-
-WRITE_LINE_MEMBER( v1050_state::write_sasi_io )
-{
- m_sasi_ctrl_in->write_bit4(state);
-
- m_sasi_data_enable = state;
-
- if (m_sasi_data_enable)
- {
- m_sasi_data_out->write(m_sasi_data);
- }
- else
- {
- m_sasi_data_out->write(0);
- }
-}
-
-TIMER_DEVICE_CALLBACK_MEMBER(v1050_state::sasi_ack_tick)
-{
- m_sasibus->write_ack(0);
-}
-
-TIMER_DEVICE_CALLBACK_MEMBER(v1050_state::sasi_rst_tick)
-{
- m_sasibus->write_rst(0);
-}
-
-WRITE8_MEMBER( v1050_state::sasi_ctrl_w )
-{
- /*
-
- bit description
-
- 0 SEL
- 1 ACK
- 2
- 3
- 4
- 5
- 6
- 7 RST
-
- */
-
- m_sasibus->write_sel(BIT(data, 0));
-
- if (BIT(data, 1))
- {
- // send acknowledge pulse
- m_sasibus->write_ack(1);
-
- m_timer_ack->adjust(attotime::from_nsec(100));
- }
-
- if (BIT(data, 7))
- {
- // send reset pulse
- m_sasibus->write_rst(1);
-
- m_timer_rst->adjust(attotime::from_nsec(100));
- }
-}
-
-// Memory Maps
-
-void v1050_state::v1050_mem(address_map &map)
-{
- map.unmap_value_high();
- map(0x0000, 0x1fff).bankrw("bank1");
- map(0x2000, 0x3fff).bankrw("bank2");
- map(0x4000, 0x7fff).bankrw("bank3");
- map(0x8000, 0xbfff).bankrw("bank4");
- map(0xc000, 0xffff).bankrw("bank5");
-}
-
-void v1050_state::v1050_io(address_map &map)
-{
- map.unmap_value_high();
- map.global_mask(0xff);
- map(0x84, 0x87).rw(m_ppi_disp, FUNC(i8255_device::read), FUNC(i8255_device::write));
-// map(0x88, 0x89).rw(m_uart_kb, FUNC(i8251_device::read), FUNC(i8251_device::write));
- map(0x88, 0x88).r(FUNC(v1050_state::kb_data_r)).w(m_uart_kb, FUNC(i8251_device::data_w));
- map(0x89, 0x89).r(FUNC(v1050_state::kb_status_r)).w(m_uart_kb, FUNC(i8251_device::control_w));
- map(0x8c, 0x8d).rw(m_uart_sio, FUNC(i8251_device::read), FUNC(i8251_device::write));
- map(0x90, 0x93).rw(I8255A_MISC_TAG, FUNC(i8255_device::read), FUNC(i8255_device::write));
- map(0x94, 0x97).rw(m_fdc, FUNC(mb8877_device::read), FUNC(mb8877_device::write));
- map(0x9c, 0x9f).rw(I8255A_RTC_TAG, FUNC(i8255_device::read), FUNC(i8255_device::write));
- map(0xa0, 0xa0).rw(FUNC(v1050_state::vint_clr_r), FUNC(v1050_state::vint_clr_w));
- map(0xb0, 0xb0).rw(FUNC(v1050_state::dint_clr_r), FUNC(v1050_state::dint_clr_w));
- map(0xc0, 0xc0).w(FUNC(v1050_state::v1050_i8214_w));
- map(0xd0, 0xd0).w(FUNC(v1050_state::bank_w));
- map(0xe0, 0xe0).w(FUNC(v1050_state::sasi_data_w)).r(m_sasi_data_in, FUNC(input_buffer_device::bus_r));
- map(0xe1, 0xe1).r(m_sasi_ctrl_in, FUNC(input_buffer_device::bus_r)).w(FUNC(v1050_state::sasi_ctrl_w));
-}
-
-void v1050_state::v1050_crt_mem(address_map &map)
-{
- map(0x0000, 0x7fff).rw(FUNC(v1050_state::videoram_r), FUNC(v1050_state::videoram_w)).share("video_ram");
- map(0x8000, 0x8000).w(m_crtc, FUNC(mc6845_device::address_w));
- map(0x8001, 0x8001).rw(m_crtc, FUNC(mc6845_device::register_r), FUNC(mc6845_device::register_w));
- map(0x9000, 0x9003).rw(m_ppi_6502, FUNC(i8255_device::read), FUNC(i8255_device::write));
- map(0xa000, 0xa000).rw(FUNC(v1050_state::attr_r), FUNC(v1050_state::attr_w));
- map(0xb000, 0xb000).w(FUNC(v1050_state::dint_w));
- map(0xc000, 0xc000).w(FUNC(v1050_state::dvint_clr_w));
- map(0xe000, 0xffff).rom();
-}
-
-// Input Ports
-
-static INPUT_PORTS_START( v1050 )
- PORT_START("ROW0")
- PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) // HELP
- PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F1)
- PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F2)
- PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F3)
- PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F4)
- PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F5)
- PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F6)
- PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F7)
-
- PORT_START("ROW1")
- PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F8)
- PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F9)
- PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F10)
- PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F11)
- PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F12)
- PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F13)
- PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F14)
- PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F15)
-
- PORT_START("ROW2")
- PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) // F16
- PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) // F17
- PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("ESC") PORT_CODE(KEYCODE_ESC) PORT_CHAR(UCHAR_MAMEKEY(ESC))
- PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!')
- PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('@')
- PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#')
- PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$')
- PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%')
-
- PORT_START("ROW3")
- PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('^')
- PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('&')
- PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('*')
- PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR('(')
- PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR(')')
- PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('_')
- PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('=') PORT_CHAR('+')
- PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_TILDE) PORT_CHAR('`') PORT_CHAR('~')
-
- PORT_START("ROW4")
- PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("BACKSPACE") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8)
- PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("BREAK") PORT_CODE(KEYCODE_PAUSE)
- PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("TAB") PORT_CODE(KEYCODE_TAB) PORT_CHAR('\t')
- PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q')
- PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W')
- PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E')
- PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R')
- PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T')
-
- PORT_START("ROW5")
- PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y')
- PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U')
- PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I')
- PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O')
- PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P')
- PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('[') PORT_CHAR('{')
- PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(']') PORT_CHAR('}')
- PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("RETURN") PORT_CODE(KEYCODE_ENTER) PORT_CHAR('\r')
-
- PORT_START("ROW6")
- PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("DEL") PORT_CODE(KEYCODE_DEL)
- PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD )
- PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD )
- PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A')
- PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S')
- PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D')
- PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F')
- PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G')
-
- PORT_START("ROW7")
- PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H')
- PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J')
- PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K')
- PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L')
- PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR(':')
- PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR('\'') PORT_CHAR('"')
- PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('\\') PORT_CHAR('|')
- PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SCRLOCK)
-
- PORT_START("ROW8")
- PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) // SHIFT
- PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z')
- PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X')
- PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C')
- PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V')
- PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B')
- PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N')
- PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M')
-
- PORT_START("ROW9")
- PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<')
- PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>')
- PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?')
- PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) // SHIFT
- PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("LINE FEED") PORT_CODE(KEYCODE_ENTER_PAD)
- PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SPACE)
- PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_NUMLOCK) // DOWN
- PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_NUMLOCK) // UP
-
- PORT_START("ROW10")
- PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 7") PORT_CODE(KEYCODE_7_PAD)
- PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 8") PORT_CODE(KEYCODE_8_PAD)
- PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 9") PORT_CODE(KEYCODE_9_PAD)
- PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad -") PORT_CODE(KEYCODE_MINUS_PAD)
- PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 4") PORT_CODE(KEYCODE_4_PAD)
- PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 5") PORT_CODE(KEYCODE_5_PAD)
- PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 6") PORT_CODE(KEYCODE_6_PAD)
- PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME(UTF8_UP) PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP))
-
- PORT_START("ROW11")
- PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 1") PORT_CODE(KEYCODE_1_PAD)
- PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 2") PORT_CODE(KEYCODE_2_PAD)
- PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 3") PORT_CODE(KEYCODE_3_PAD)
- PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 0") PORT_CODE(KEYCODE_0_PAD)
- PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad +") PORT_CODE(KEYCODE_PLUS_PAD)
- PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD )
- PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD )
- PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD )
-
- PORT_START("ROW12")
- PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("LOCK") PORT_CODE(KEYCODE_CAPSLOCK) PORT_TOGGLE
- PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("LEFT SHIFT") PORT_CODE(KEYCODE_LSHIFT) PORT_CHAR(UCHAR_SHIFT_1)
- PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("RIGHT SHIFT") PORT_CODE(KEYCODE_RSHIFT)
- PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("LEFT CTRL") PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_MAMEKEY(LCONTROL))
- PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("RIGHT CTRL") PORT_CODE(KEYCODE_RCONTROL) PORT_CHAR(UCHAR_MAMEKEY(RCONTROL))
-INPUT_PORTS_END
-
-// 8214 Interface
-
-WRITE_LINE_MEMBER(v1050_state::pic_int_w)
-{
- if (state == ASSERT_LINE)
- {
- m_maincpu->set_input_line(INPUT_LINE_IRQ0, ASSERT_LINE);
- }
-}
-
-// Display 8255A Interface
-
-WRITE8_MEMBER(v1050_state::disp_ppi_pc_w)
-{
- m_ppi_6502->pc2_w(BIT(data, 6));
- m_ppi_6502->pc4_w(BIT(data, 7));
-}
-
-WRITE8_MEMBER(v1050_state::m6502_ppi_pc_w)
-{
- m_ppi_disp->pc2_w(BIT(data, 7));
- m_ppi_disp->pc4_w(BIT(data, 6));
-}
-
-// Miscellanous 8255A Interface
-
-WRITE8_MEMBER( v1050_state::misc_ppi_pa_w )
-{
- /*
-
- bit signal description
-
- PA0 f_ds<0> drive 0 select
- PA1 f_ds<1> drive 1 select
- PA2 f_ds<2> drive 2 select
- PA3 f_ds<3> drive 3 select
- PA4 f_side_1 floppy side select
- PA5 f_pre_comp precompensation
- PA6 f_motor_on* floppy motor
- PA7 f_dden* double density select
-
- */
-
- // floppy drive select
- floppy_image_device *floppy = nullptr;
-
- if (!BIT(data, 0)) floppy = m_floppy0->get_device();
- if (!BIT(data, 1)) floppy = m_floppy1->get_device();
- if (!BIT(data, 2)) floppy = m_floppy2->get_device();
- if (!BIT(data, 3)) floppy = m_floppy3->get_device();
-
- m_fdc->set_floppy(floppy);
-
- // floppy side select
- if (floppy) floppy->ss_w(BIT(data, 4));
-
- // floppy motor
- if (floppy) floppy->mon_w(BIT(data, 6));
-
- // density select
- m_fdc->dden_w(BIT(data, 7));
-}
-
-WRITE_LINE_MEMBER(v1050_state::write_centronics_busy)
-{
- m_centronics_busy = state;
-}
-
-WRITE_LINE_MEMBER(v1050_state::write_centronics_perror)
-{
- m_centronics_perror = state;
-}
-
-READ8_MEMBER(v1050_state::misc_ppi_pc_r)
-{
- /*
-
- bit signal description
-
- PC0 pr_strobe printer strobe
- PC1 f_int_enb floppy interrupt enable
- PC2 baud_sel_a
- PC3 baud_sel_b
- PC4 pr_busy* printer busy
- PC5 pr_pe* printer paper end
- PC6
- PC7
-
- */
-
- uint8_t data = 0;
-
- data |= m_centronics_busy << 4;
- data |= m_centronics_perror << 5;
-
- return data;
-}
-
-void v1050_state::set_baud_sel(int baud_sel)
-{
- if (baud_sel != m_baud_sel)
- {
- int divider = 1;
-
- switch (baud_sel)
- {
- case 0:
- divider = 13 * 16; // 19200
- break;
-
- case 1:
- divider = 13 * 8; // 38400
- break;
-
- case 2:
- divider = 8; // 500000
- break;
-
- case 3:
- divider = 13 * 2; // 153600
- break;
- }
-
- m_clock_sio->set_clock_scale((double) 1 / divider);
-
- m_baud_sel = baud_sel;
- }
-}
-
-WRITE8_MEMBER( v1050_state::misc_ppi_pc_w )
-{
- /*
-
- bit signal description
-
- PC0 pr_strobe printer strobe
- PC1 f_int_enb floppy interrupt enable
- PC2 baud_sel_a
- PC3 baud_sel_b
- PC4 pr_busy* printer busy
- PC5 pr_pe* printer paper end
- PC6
- PC7
-
- */
-
- // printer strobe
- m_centronics->write_strobe(BIT(data, 0));
-
- // floppy interrupt enable
- m_f_int_enb = BIT(data, 1);
- update_fdc();
-
- // baud select
- set_baud_sel((data >> 2) & 0x03);
-}
-
-// Real Time Clock 8255A Interface
-
-WRITE8_MEMBER( v1050_state::rtc_ppi_pb_w )
-{
- /*
-
- bit signal description
-
- PB0 RS-232
- PB1 Winchester
- PB2 keyboard
- PB3 floppy disk interrupt
- PB4 vertical interrupt
- PB5 display interrupt
- PB6 expansion B
- PB7 expansion A
-
- */
-
- m_int_mask = data;
-}
-
-READ8_MEMBER( v1050_state::rtc_ppi_pa_r )
-{
- return m_rtc_ppi_pa;
-}
-
-WRITE8_MEMBER( v1050_state::rtc_ppi_pa_w )
-{
- m_rtc->d0_w((data >> 0) & 1);
- m_rtc->d1_w((data >> 1) & 1);
- m_rtc->d2_w((data >> 2) & 1);
- m_rtc->d3_w((data >> 3) & 1);
-}
-
-READ8_MEMBER( v1050_state::rtc_ppi_pc_r )
-{
- /*
-
- bit signal description
-
- PC0
- PC1
- PC2
- PC3 clock busy
- PC4
- PC5
- PC6
- PC7
-
- */
-
- return m_rtc_ppi_pc;
-}
-
-WRITE8_MEMBER( v1050_state::rtc_ppi_pc_w )
-{
- /*
-
- bit signal description
-
- PC0
- PC1
- PC2
- PC3
- PC4 clock address write
- PC5 clock data write
- PC6 clock data read
- PC7 clock device select
-
- */
-
- m_rtc->address_write_w(BIT(data, 4));
- m_rtc->write_w(BIT(data, 5));
- m_rtc->read_w(BIT(data, 6));
- m_rtc->cs2_w(BIT(data, 7));
-}
-
-// Keyboard 8251A Interface
-
-WRITE_LINE_MEMBER(v1050_state::write_keyboard_clock)
-{
- m_uart_kb->write_txc(state);
- m_uart_kb->write_rxc(state);
-}
-
-WRITE_LINE_MEMBER( v1050_state::kb_rxrdy_w )
-{
- set_interrupt(INT_KEYBOARD, state);
-}
-
-// Serial 8251A Interface
-
-WRITE_LINE_MEMBER(v1050_state::write_sio_clock)
-{
- m_uart_sio->write_txc(state);
- m_uart_sio->write_rxc(state);
-}
-
-WRITE_LINE_MEMBER( v1050_state::sio_rxrdy_w )
-{
- m_rxrdy = state;
-
- set_interrupt(INT_RS_232, m_rxrdy || m_txrdy);
-}
-
-WRITE_LINE_MEMBER( v1050_state::sio_txrdy_w )
-{
- m_txrdy = state;
-
- set_interrupt(INT_RS_232, m_rxrdy || m_txrdy);
-}
-
-// MB8877 Interface
-
-void v1050_state::update_fdc()
-{
- if (m_f_int_enb)
- {
- set_interrupt(INT_FLOPPY, m_fdc_irq ? 1 : 0);
- m_maincpu->set_input_line(INPUT_LINE_NMI, m_fdc_drq ? ASSERT_LINE : CLEAR_LINE);
- }
- else
- {
- set_interrupt(INT_FLOPPY, 0);
- m_maincpu->set_input_line(INPUT_LINE_NMI, CLEAR_LINE);
- }
-}
-
-// disk format: 80 tracks, 1 head, 10 sectors, 512 bytes sector length, first sector id 1
-
-static void v1050_floppies(device_slot_interface &device)
-{
- device.option_add("525ssqd", FLOPPY_525_SSQD); // Teac FD 55E-02-U
- device.option_add("525qd", FLOPPY_525_QD); // Teac FD 55-FV-35-U
-}
-
-WRITE_LINE_MEMBER( v1050_state::fdc_intrq_w )
-{
- m_fdc_irq = state;
-
- update_fdc();
-}
-
-WRITE_LINE_MEMBER( v1050_state::fdc_drq_w )
-{
- m_fdc_drq = state;
-
- update_fdc();
-}
-
-
-// Machine Initialization
-
-IRQ_CALLBACK_MEMBER(v1050_state::v1050_int_ack)
-{
- uint8_t vector = 0xf0 | (m_pic->a_r() << 1);
-
- //logerror("Interrupt Acknowledge Vector: %02x\n", vector);
-
- m_maincpu->set_input_line(INPUT_LINE_IRQ0, CLEAR_LINE);
-
- return vector;
-}
-
-void v1050_state::machine_start()
-{
- address_space &program = m_maincpu->space(AS_PROGRAM);
-
- // initialize I8214
- m_pic->etlg_w(1);
- m_pic->inte_w(1);
-
- // initialize RTC
- m_rtc->cs1_w(1);
-
- // setup memory banking
- uint8_t *ram = m_ram->pointer();
-
- membank("bank1")->configure_entries(0, 2, ram, 0x10000);
- membank("bank1")->configure_entry(2, ram + 0x1c000);
- membank("bank1")->configure_entry(3, m_rom->base());
-
- program.install_readwrite_bank(0x2000, 0x3fff, "bank2");
- membank("bank2")->configure_entries(0, 2, ram + 0x2000, 0x10000);
- membank("bank2")->configure_entry(2, ram + 0x1e000);
-
- program.install_readwrite_bank(0x4000, 0x7fff, "bank3");
- membank("bank3")->configure_entries(0, 2, ram + 0x4000, 0x10000);
-
- program.install_readwrite_bank(0x8000, 0xbfff, "bank4");
- membank("bank4")->configure_entries(0, 2, ram + 0x8000, 0x10000);
-
- program.install_readwrite_bank(0xc000, 0xffff, "bank5");
- membank("bank5")->configure_entries(0, 3, ram + 0xc000, 0);
-
- bankswitch();
-
- // register for state saving
- save_item(NAME(m_int_mask));
- save_item(NAME(m_f_int_enb));
- save_item(NAME(m_fdc_irq));
- save_item(NAME(m_fdc_drq));
- save_item(NAME(m_keylatch));
- save_item(NAME(m_keydata));
- save_item(NAME(m_keyavail));
- save_item(NAME(m_rxrdy));
- save_item(NAME(m_txrdy));
- save_item(NAME(m_baud_sel));
- save_item(NAME(m_bank));
- save_item(NAME(m_centronics_busy));
- save_item(NAME(m_centronics_perror));
-}
-
-void v1050_state::machine_reset()
-{
- m_bank = 0;
- bankswitch();
-
- set_baud_sel(0);
-
- m_fdc->reset();
-}
-
-// Machine Driver
-
-void v1050_state::v1050(machine_config &config)
-{
- // basic machine hardware
- Z80(config, m_maincpu, 16_MHz_XTAL/4);
- m_maincpu->set_addrmap(AS_PROGRAM, &v1050_state::v1050_mem);
- m_maincpu->set_addrmap(AS_IO, &v1050_state::v1050_io);
- m_maincpu->set_irq_acknowledge_callback(FUNC(v1050_state::v1050_int_ack));
-
- M6502(config, m_subcpu, 15.36_MHz_XTAL/16);
- m_subcpu->set_addrmap(AS_PROGRAM, &v1050_state::v1050_crt_mem);
- config.set_perfect_quantum(m_subcpu);
-
- // keyboard HACK
- TIMER(config, "keyboard").configure_periodic(FUNC(v1050_state::v1050_keyboard_tick), attotime::from_hz(60));
-
- // video hardware
- v1050_video(config);
-
- // devices
- I8214(config, m_pic, 16_MHz_XTAL/4);
- m_pic->int_wr_callback().set(FUNC(v1050_state::pic_int_w));
-
- MSM58321(config, m_rtc, 32.768_kHz_XTAL);
- m_rtc->d0_handler().set(FUNC(v1050_state::rtc_ppi_pa_0_w));
- m_rtc->d1_handler().set(FUNC(v1050_state::rtc_ppi_pa_1_w));
- m_rtc->d2_handler().set(FUNC(v1050_state::rtc_ppi_pa_2_w));
- m_rtc->d3_handler().set(FUNC(v1050_state::rtc_ppi_pa_3_w));
- m_rtc->busy_handler().set(FUNC(v1050_state::rtc_ppi_pc_3_w));
-
- I8255A(config, m_ppi_disp);
- m_ppi_disp->in_pa_callback().set(I8255A_M6502_TAG, FUNC(i8255_device::pb_r));
- m_ppi_disp->out_pc_callback().set(FUNC(v1050_state::disp_ppi_pc_w));
-
- i8255_device &ppi_misc(I8255A(config, I8255A_MISC_TAG));
- ppi_misc.in_pc_callback().set(FUNC(v1050_state::misc_ppi_pc_r));
- ppi_misc.out_pa_callback().set(FUNC(v1050_state::misc_ppi_pa_w));
- ppi_misc.out_pb_callback().set("cent_data_out", FUNC(output_latch_device::bus_w));
- ppi_misc.out_pc_callback().set(FUNC(v1050_state::misc_ppi_pc_w));
-
- i8255_device &ppi_rtc(I8255A(config, I8255A_RTC_TAG));
- ppi_rtc.in_pa_callback().set(FUNC(v1050_state::rtc_ppi_pa_r));
- ppi_rtc.in_pc_callback().set(FUNC(v1050_state::rtc_ppi_pc_r));
- ppi_rtc.out_pa_callback().set(FUNC(v1050_state::rtc_ppi_pa_w));
- ppi_rtc.out_pb_callback().set(FUNC(v1050_state::rtc_ppi_pb_w));
- ppi_rtc.out_pc_callback().set(FUNC(v1050_state::rtc_ppi_pc_w));
-
- I8255A(config, m_ppi_6502);
- m_ppi_6502->in_pa_callback().set(m_ppi_disp, FUNC(i8255_device::pb_r));
- m_ppi_6502->out_pc_callback().set(FUNC(v1050_state::m6502_ppi_pc_w));
-
- I8251(config, m_uart_kb, 0/*16_MHz_XTAL/8,*/);
- m_uart_kb->txd_handler().set(V1050_KEYBOARD_TAG, FUNC(v1050_keyboard_device::si_w));
- m_uart_kb->rxrdy_handler().set(FUNC(v1050_state::kb_rxrdy_w));
-
- clock_device &clock_kb(CLOCK(config, CLOCK_KB_TAG, 16_MHz_XTAL/4/13/8));
- clock_kb.signal_handler().set(FUNC(v1050_state::write_keyboard_clock));
-
- // keyboard
- v1050_keyboard_device &keyboard(V1050_KEYBOARD(config, V1050_KEYBOARD_TAG, 0));
- keyboard.out_tx_handler().set(m_uart_kb, FUNC(i8251_device::write_rxd));
-
- I8251(config, m_uart_sio, 0/*16_MHz_XTAL/8,*/);
- m_uart_sio->txd_handler().set(RS232_TAG, FUNC(rs232_port_device::write_txd));
- m_uart_sio->dtr_handler().set(RS232_TAG, FUNC(rs232_port_device::write_dtr));
- m_uart_sio->rts_handler().set(RS232_TAG, FUNC(rs232_port_device::write_rts));
- m_uart_sio->rxrdy_handler().set(FUNC(v1050_state::sio_rxrdy_w));
- m_uart_sio->txrdy_handler().set(FUNC(v1050_state::sio_txrdy_w));
-
- rs232_port_device &rs232(RS232_PORT(config, RS232_TAG, default_rs232_devices, nullptr));
- rs232.rxd_handler().set(m_uart_sio, FUNC(i8251_device::write_rxd));
- rs232.dsr_handler().set(m_uart_sio, FUNC(i8251_device::write_dsr));
-
- CLOCK(config, m_clock_sio, 16_MHz_XTAL/4);
- m_clock_sio->signal_handler().set(FUNC(v1050_state::write_sio_clock));
-
- MB8877(config, m_fdc, 16_MHz_XTAL/16);
- m_fdc->intrq_wr_callback().set(FUNC(v1050_state::fdc_intrq_w));
- m_fdc->drq_wr_callback().set(FUNC(v1050_state::fdc_drq_w));
- FLOPPY_CONNECTOR(config, MB8877_TAG":0", v1050_floppies, "525qd", floppy_image_device::default_floppy_formats);
- FLOPPY_CONNECTOR(config, MB8877_TAG":1", v1050_floppies, "525qd", floppy_image_device::default_floppy_formats);
- FLOPPY_CONNECTOR(config, MB8877_TAG":2", v1050_floppies, nullptr, floppy_image_device::default_floppy_formats);
- FLOPPY_CONNECTOR(config, MB8877_TAG":3", v1050_floppies, nullptr, floppy_image_device::default_floppy_formats);
-
- // SASI bus
- SCSI_PORT(config, m_sasibus, 0);
- m_sasibus->set_data_input_buffer(m_sasi_data_in);
- m_sasibus->req_handler().set(m_sasi_ctrl_in, FUNC(input_buffer_device::write_bit0)).exor(1);
- m_sasibus->bsy_handler().set(m_sasi_ctrl_in, FUNC(input_buffer_device::write_bit1));
- m_sasibus->msg_handler().set(m_sasi_ctrl_in, FUNC(input_buffer_device::write_bit2));
- m_sasibus->cd_handler().set(m_sasi_ctrl_in, FUNC(input_buffer_device::write_bit3));
- m_sasibus->io_handler().set(FUNC(v1050_state::write_sasi_io)).exor(1); // bit4
- m_sasibus->set_slot_device(1, "harddisk", S1410, DEVICE_INPUT_DEFAULTS_NAME(SCSI_ID_0));
-
- OUTPUT_LATCH(config, m_sasi_data_out);
- m_sasibus->set_output_latch(*m_sasi_data_out);
- INPUT_BUFFER(config, m_sasi_data_in);
- INPUT_BUFFER(config, m_sasi_ctrl_in);
-
- TIMER(config, m_timer_ack).configure_generic(FUNC(v1050_state::sasi_ack_tick));
- TIMER(config, m_timer_rst).configure_generic(FUNC(v1050_state::sasi_rst_tick));
-
- // software lists
- SOFTWARE_LIST(config, "flop_list").set_original("v1050_flop");
- SOFTWARE_LIST(config, "hdd_list").set_original("v1050_hdd");
-
- // printer
- CENTRONICS(config, m_centronics, centronics_devices, "printer");
- m_centronics->busy_handler().set(FUNC(v1050_state::write_centronics_busy));
- m_centronics->perror_handler().set(FUNC(v1050_state::write_centronics_perror));
-
- output_latch_device &cent_data_out(OUTPUT_LATCH(config, "cent_data_out"));
- m_centronics->set_output_latch(cent_data_out);
-
- // internal ram
- RAM(config, RAM_TAG).set_default_size("128K");
-}
-
-// ROMs
-
-ROM_START( v1050 )
- ROM_REGION( 0x10000, Z80_TAG, 0 )
- ROM_LOAD( "e244-032 rev 1.2.u86", 0x0000, 0x2000, CRC(46f847a7) SHA1(374db7a38a9e9230834ce015006e2f1996b9609a) )
-
- ROM_REGION( 0x10000, M6502_TAG, 0 )
- ROM_LOAD( "e244-033 rev 1.1.u77", 0xe000, 0x2000, CRC(c0502b66) SHA1(bc0015f5b14f98110e652eef9f7c57c614683be5) )
-ROM_END
-
-// System Drivers
-
-// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
-COMP( 1983, v1050, 0, 0, v1050, v1050, v1050_state, empty_init, "Visual Technology Inc", "Visual 1050", MACHINE_IMPERFECT_GRAPHICS | MACHINE_SUPPORTS_SAVE | MACHINE_NO_SOUND )