diff options
Diffstat (limited to 'src/mame/drivers/v1050.cpp')
-rw-r--r-- | src/mame/drivers/v1050.cpp | 1157 |
1 files changed, 0 insertions, 1157 deletions
diff --git a/src/mame/drivers/v1050.cpp b/src/mame/drivers/v1050.cpp deleted file mode 100644 index b88992449c0..00000000000 --- a/src/mame/drivers/v1050.cpp +++ /dev/null @@ -1,1157 +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)); - - config.m_perfect_cpu_quantum = subtag(Z80_TAG); - - M6502(config, m_subcpu, 15.36_MHz_XTAL/16); - m_subcpu->set_addrmap(AS_PROGRAM, &v1050_state::v1050_crt_mem); - config.m_perfect_cpu_quantum = subtag(M6502_TAG); - - // 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 ¢_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 ) |