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-rw-r--r--src/mame/drivers/itt3030.cpp768
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diff --git a/src/mame/drivers/itt3030.cpp b/src/mame/drivers/itt3030.cpp
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index 1908ed905ac..00000000000
--- a/src/mame/drivers/itt3030.cpp
+++ /dev/null
@@ -1,768 +0,0 @@
-// license:BSD-3-Clause
-// copyright-holders:R. Belmont, Olivier Galibert
-/***************************************************************************
-
- ITT 3030
-
-
- ToDo:
- - Check Beeper
- - finish hooking up keyboard
- - serial port
- - daisy chain
- - ...
-
-
- CPU Board, all ICs shown:
-
- |-----------------------------------------------------------------|
- | |
- | 74LS640N Z80_Combo 74LS138N |
- | 74LS00N |
- | 74LS240N 74LS74AN |
- | 74LS00N |
- |C 74LS240N Z80_CPU 74LS240N C|
- |N 74LS74AN N|
- |1 74LS241N 74LS240N 2|
- | ROM_1 74LS20N 74LS38N |
- | 74LS240N 74LS240N |
- | 74LS04N 74LS02N |
- | 74LS138N 74LS74AN |
- | 74LS175N |
- | 75154N 74LS156N 74LS00N |
- | 74LS123N |
- | 75150P 75150P 74LS175N X1 74LS00N 74LS132N |
- |-----------------------------------------------------------------|
-
- Z80_Combo: Mostek MK3886 Z80 Combo Chip, Serial, Timer, 256 bytes RAM, Interrupt Controller
- Z80_CPU: Zilog Z80A CPU
- ROM_1: NEC D2716D marked "BOOTV1.2"
- X1: Crystal 4,194 MHz
- CN1: Bus Connector
- CN2: Memory Board Connector
-
-----------------------------------------------------------------------------------
-
- Video / Keyboard Combination board, all ICs shown:
-
- |-----------------------------------------------------------------|
- | |
- | X1 74276N MCU_1 74LS85N |
- | |
- | 74LS138N 74LS240 74LS240N |
- | 75LS257AN 74LS166AN |
- | 74LS08N 74LS85N 74LS241N |
- | 75LS257AN ROM_1 C|
- | 74LS132N 74LS32N 74LS240N N|
- | 75LS257AN 1|
- | 74LS10N 74LS08N 74LS240N |
- | 75LS257AN RAM_1 |
- | 74LS163AN 74LS173AN 74LS374N |
- | |
- | 74LS86N 74LS240N 74LS640N |
- | Video_1 |
- | 74LS74AN 74LS240N 74LS640N |
- |-----------------------------------------------------------------|
-
- X1: Crystal 6 MHz
- MCU_1: NEC D8741AD marked "V1.1 3030"
- ROM_1: MBM 2716 marked "GB 136-0"
- RAM_1: NEC D4016D
- Video_1 Video-IC SND5027E, compatible with TMS9927
-
-----------------------------------------------------------------------------------
-
- Floppy Controller board, all ICs shown
-
- |-----------------------------------------------------------------|
- | |
- | X1 74LS51N F 74LS74AN 74LS02N MC4044P |
- | D 567 |
- | 74LS04N C 74LS00N 74LS01N ::: MC4024P |
- | |
- | 74LS00N 1 74LS74AN 74LS74AN 74LS14N C|
- | 7 N|
- | 74LS240N 9 74LS161N 74LS393N 74LS74AN 1|
- | 1 |
- | 74LS132N 74LS14N 74LS14N 74LS374N |
- | |
- | 74LS123N 74LS04N 74LS163N 74LS14N 74LS241N |
- | |
- | 74LS393N 74LS138 74LS175N 74LS85N 74LS645N |
- | |
- |-----------------------------------------------------------------|
-
- X1: Crystal 8 MHz
- FDC: Siemens SAB1791-02P
- 567: Jumper Pad (emtpy)
-
-----------------------------------------------------------------------------------
-
- 256K RAM board, all ICs shown:
-
- |-----------------------------------------------------------------|
- | |
- | HM4864P HM4864P HM4864P HM4864P 74LS245N |
- | |
- | HM4864P HM4864P HM4864P HM4864P P 74LS14N |
- | R |
- | HM4864P HM4864P HM4864P HM4864P M 74LS00N |
- | C|
- | HM4864P HM4864P HM4864P HM4864P AM A N|
- | 29 M 1|
- | HM4864P HM4864P HM4864P HM4864P 66 2 |
- | PC 9 |
- | HM4864P HM4864P HM4864P HM4864P 6 |
- | AM 4 |
- | HM4864P HM4864P HM4864P HM4864P 29 8 |
- | 66 P |
- | HM4864P HM4864P HM4864P HM4864P PC C |
- | SN7474N |
- |-----------------------------------------------------------------|
-
- PRM: N82S129F 1K Bipolar PROM
- AM2966PC: Octal Dynamic Memory Drivers with Three-State Outputs
- AM29648PC
- CN1: Connector to CN2 of Z80 CPU card
-
-----------------------------------------------------------------------------------
-
- Parallel I/O board, all ICs shown:
-
- |-------------------------------------| |
- | |
- | 74 74 |
- | LS LS Z80A PIO |
- | 00 14 |
- | N N |
- | |
- | |
- | 74 74 74 74 D4 74 |
- | LS LS LS LS I3 LS |
- | 13 14 24 85 P2 64 |
- | 2N N 1N N 1 0N |
- | |
- | CN1 |
- | |
- | 74LS00N |
- |-------------------------------------|
-
- CN1: Bus connector
- DIP: 4x DIP current setting: off-on-on-off, sets the address for the parallel port
-
-----------------------------------------------------------------------------------
-
-Beeper Circuit, all ICs shown:
-
- |---------------------------| |
- | |
- | BEEP 74LS132N |
- | R1 |
- | 74LS14N |
- | |
- | 74LS132N 74LS193N |
- | |
- | 74LS74AN 74LS165N |
- | CN1 |
- |---------------------------|
-
- CN1: Connector to mainboard
- R1: looks like a potentiometer
- BEEP: Beeper ... touted in the manual as "Hupe" ... i.e. "horn" :)
-
-----------------------------------------------------------------------------------
-
- Other boards and extensions mentioned in the manual:
- - S100 bus adapter board
- - IEEE 488 bus adapter board
- - 64K memory board
- - 8086 CPU board
- - external harddisk
- - TV adapter B/W (TV, Save/Load from Audio Cassette) with PROM/RAM/BASIC-Module with 16K or 32K RAM
- - TV adapter color with connection to Video / Keyboard combination card
- - Monitor adapters B/W and color
- - Video / Keyboard interface 2 with grayscale, 8 colors, loadable character set, blinking
- - Graphics Adapter with 16 colours, hi-res 512x256 pixels
- - RTC
- - Arithmetics chip
-
-***************************************************************************/
-
-
-#include "emu.h"
-#include "cpu/mcs48/mcs48.h" //Keyboard MCU ... talks to the 8278 on the keyboard circuit
-#include "cpu/z80/z80.h"
-#include "imagedev/floppy.h"
-#include "machine/bankdev.h"
-#include "machine/ram.h"
-#include "machine/wd_fdc.h"
-#include "sound/beep.h"
-#include "video/tms9927.h" //Display hardware
-#include "emupal.h"
-#include "screen.h"
-#include "speaker.h"
-#include "formats/itt3030_dsk.h"
-#include "debugger.h"
-
-#define MAIN_CLOCK XTAL_4.194MHz
-
-//**************************************************************************
-// TYPE DEFINITIONS
-//**************************************************************************
-
-class itt3030_state : public driver_device
-{
-public:
- itt3030_state(const machine_config &mconfig, device_type type, const char *tag)
- : driver_device(mconfig, type, tag)
- , m_maincpu(*this, "maincpu")
- , m_screen(*this, "screen")
- , m_kbdmcu(*this, "kbdmcu")
- , m_ram(*this, "mainram")
- , m_crtc(*this, "crt5027")
- , m_48kbank(*this, "lowerbank")
- , m_fdc (*this, "fdc")
- , m_floppy(*this, "fdc:%u", 0)
- , m_beep(*this, "beeper")
- , m_keyrows(*this, "ROW.%u", 0)
- , m_vram(*this, "vram")
- , m_gfxdecode(*this, "gfxdecode")
- , m_palette(*this, "palette")
- { }
-
- void itt3030(machine_config &config);
-
-protected:
- // driver_device overrides
- virtual void machine_start() override;
- virtual void machine_reset() override;
-
-private:
- // screen updates
- uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
-
- DECLARE_READ8_MEMBER(vsync_r);
- DECLARE_WRITE8_MEMBER( beep_w );
- DECLARE_WRITE8_MEMBER(bank_w);
- DECLARE_READ_LINE_MEMBER(kbd_matrix_r);
- DECLARE_WRITE8_MEMBER(kbd_matrix_w);
- DECLARE_READ8_MEMBER(kbd_port2_r);
- DECLARE_WRITE8_MEMBER(kbd_port2_w);
- DECLARE_READ8_MEMBER(fdc_r);
- DECLARE_WRITE8_MEMBER(fdc_w);
- DECLARE_READ8_MEMBER(fdc_stat_r);
- DECLARE_WRITE8_MEMBER(fdc_cmd_w);
- DECLARE_FLOPPY_FORMATS(itt3030_floppy_formats);
-
- DECLARE_WRITE_LINE_MEMBER(fdcirq_w);
- DECLARE_WRITE_LINE_MEMBER(fdcdrq_w);
- DECLARE_WRITE_LINE_MEMBER(fdchld_w);
- void itt3030_palette(palette_device &palette) const;
-
- void itt3030_io(address_map &map);
- void itt3030_map(address_map &map);
- void lower48_map(address_map &map);
-
- // devices
- required_device<cpu_device> m_maincpu;
- required_device<screen_device> m_screen;
- required_device<i8741a_device> m_kbdmcu;
- required_device<ram_device> m_ram;
- required_device<crt5027_device> m_crtc;
- required_device<address_map_bank_device> m_48kbank;
- required_device<fd1791_device> m_fdc;
- required_device_array<floppy_connector, 3> m_floppy;
- required_device<beep_device> m_beep;
-
- required_ioport_array<16> m_keyrows;
-
- // shared pointers
- required_shared_ptr<uint8_t> m_vram;
-
- uint8_t m_kbdclk, m_kbdread, m_kbdport2;
- required_device<gfxdecode_device> m_gfxdecode;
- required_device<palette_device> m_palette;
- floppy_image_device *m_curfloppy;
- bool m_fdc_irq, m_fdc_drq, m_fdc_hld;
-};
-
-//**************************************************************************
-// ADDRESS MAPS
-//**************************************************************************
-
-// The lower 48K is switchable among the first 48K of each of 8 48K banks numbered 0-7 or "bank 8" which is the internal ROM and VRAM
-// The upper 16K is always the top 16K of the first bank, F5 can set this to 32K
-// Port F6 bits 7-5 select banks 0-7, bit 4 enables bank 8
-
-void itt3030_state::itt3030_map(address_map &map)
-{
- map(0x0000, 0xbfff).m(m_48kbank, FUNC(address_map_bank_device::amap8));
-}
-
-void itt3030_state::lower48_map(address_map &map)
-{
- map(0x60000, 0x607ff).rom().region("maincpu", 0); // begin "page 8"
- map(0x60800, 0x60fff).rom().region("maincpu", 0);
- map(0x61000, 0x610ff).ram().mirror(0x100); // only 256 bytes, but ROM also clears 11xx?
- map(0x63000, 0x63fff).ram().share("vram");
-}
-
-void itt3030_state::itt3030_io(address_map &map)
-{
- map.global_mask(0xff);
- map(0x20, 0x2f).rw(m_crtc, FUNC(crt5027_device::read), FUNC(crt5027_device::write));
- map(0x30, 0x31).rw(m_kbdmcu, FUNC(i8741a_device::upi41_master_r), FUNC(i8741a_device::upi41_master_w));
- map(0x32, 0x32).w(FUNC(itt3030_state::beep_w));
- map(0x35, 0x35).r(FUNC(itt3030_state::vsync_r));
- map(0x50, 0x53).rw(FUNC(itt3030_state::fdc_r), FUNC(itt3030_state::fdc_w));
- map(0x54, 0x54).rw(FUNC(itt3030_state::fdc_stat_r), FUNC(itt3030_state::fdc_cmd_w));
- map(0xf6, 0xf6).w(FUNC(itt3030_state::bank_w));
-}
-
-
-//**************************************************************************
-// INPUTS
-//**************************************************************************
-
-READ_LINE_MEMBER(itt3030_state::kbd_matrix_r)
-{
- return m_kbdread;
-}
-
-WRITE8_MEMBER(itt3030_state::kbd_matrix_w)
-{
-// printf("matrix_w: %02x (col %d row %d clk %d)\n", data, m_kbdcol, m_kbdrow, (data & 0x80) ? 1 : 0);
-
- if ((data & 0x80) && (!m_kbdclk))
- {
- const ioport_value tmp_read = m_keyrows[(data >> 3) & 0xf]->read() & (1 << (data & 0x7));
- m_kbdread = (tmp_read != 0) ? 1 : 0;
- }
-
- m_kbdclk = (data & 0x80) ? 1 : 0;
-}
-
-// bit 2 is UPI-41 host IRQ to Z80
-WRITE8_MEMBER(itt3030_state::kbd_port2_w)
-{
- m_kbdport2 = data;
-}
-
-READ8_MEMBER(itt3030_state::kbd_port2_r)
-{
- return m_kbdport2;
-}
-
-
-//**************************************************************************
-// KEYBOARD
-//**************************************************************************
-
-static INPUT_PORTS_START( itt3030 )
- PORT_START("ROW.0")
- PORT_BIT(0x0001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("F4") PORT_CODE(KEYCODE_F4) PORT_CHAR(UCHAR_MAMEKEY(F4))
- PORT_BIT(0x0002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%')
- PORT_BIT(0x0004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T')
- PORT_BIT(0x0008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F')
- PORT_BIT(0x0010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V')
-
- PORT_START("ROW.1")
- PORT_BIT(0x0001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("F5") PORT_CODE(KEYCODE_F5) PORT_CHAR(UCHAR_MAMEKEY(F5))
- PORT_BIT(0x0002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('&')
- PORT_BIT(0x0004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z')
- PORT_BIT(0x0008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G')
- PORT_BIT(0x0010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B')
-
- PORT_START("ROW.2")
- PORT_BIT(0x0001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("F6") PORT_CODE(KEYCODE_F6) PORT_CHAR(UCHAR_MAMEKEY(F6))
- PORT_BIT(0x0002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('/')
- PORT_BIT(0x0004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U')
- PORT_BIT(0x0008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H')
- PORT_BIT(0x0010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N')
-
- PORT_START("ROW.3")
- PORT_BIT(0x0001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("F7") PORT_CODE(KEYCODE_F7) PORT_CHAR(UCHAR_MAMEKEY(F7))
- PORT_BIT(0x0002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('(')
- PORT_BIT(0x0004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I')
- PORT_BIT(0x0008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J')
- PORT_BIT(0x0010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M')
-
- PORT_START("ROW.4")
- PORT_BIT(0x0001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_LCONTROL) PORT_CODE(KEYCODE_RCONTROL)
- PORT_BIT(0x0002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!')
- PORT_BIT(0x0004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q')
- PORT_BIT(0x0008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Shift Lock") PORT_CODE(KEYCODE_CAPSLOCK)
- PORT_BIT(0x0010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Shift") PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1)
-
- PORT_START("ROW.5")
- PORT_BIT(0x0001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("F1") PORT_CODE(KEYCODE_F1) PORT_CHAR(UCHAR_MAMEKEY(F1))
- PORT_BIT(0x0002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('"')
- PORT_BIT(0x0004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W')
- PORT_BIT(0x0008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A')
- PORT_BIT(0x0010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y')
-
- PORT_START("ROW.6")
- PORT_BIT(0x0001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("F2") PORT_CODE(KEYCODE_F2) PORT_CHAR(UCHAR_MAMEKEY(F2))
- PORT_BIT(0x0002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#') // actually UK pound symbol
- PORT_BIT(0x0004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E')
- PORT_BIT(0x0008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S')
- PORT_BIT(0x0010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X')
-
- PORT_START("ROW.7")
- PORT_BIT(0x0001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("F3") PORT_CODE(KEYCODE_F3) PORT_CHAR(UCHAR_MAMEKEY(F3))
- PORT_BIT(0x0002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$')
- PORT_BIT(0x0004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R')
- PORT_BIT(0x0008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D')
- PORT_BIT(0x0010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C')
-
- PORT_START("ROW.8")
- PORT_BIT(0x0001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("(R)") PORT_CODE(KEYCODE_F12) PORT_CHAR('=')
- PORT_BIT(0x0002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('~')
- PORT_BIT(0x0004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13)
- PORT_BIT(0x0008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_DEL) PORT_CHAR('^') // PC doesn't have 3 keys to the right of L, so we sub DEL for the 3rd one
- PORT_BIT(0x0010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ')
-
- PORT_START("ROW.9")
- PORT_BIT(0x0001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("(CL)") PORT_CODE(KEYCODE_F13) PORT_CHAR(4) // produces control-D always
- PORT_BIT(0x001e, IP_ACTIVE_HIGH, IPT_UNUSED)
-
- PORT_START("ROW.10")
- PORT_BIT(0x001f, IP_ACTIVE_HIGH, IPT_UNUSED)
-
- PORT_START("ROW.11")
- PORT_BIT(0x001f, IP_ACTIVE_HIGH, IPT_UNUSED)
-
- PORT_START("ROW.12")
- PORT_BIT(0x0001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("F8") PORT_CODE(KEYCODE_F8) PORT_CHAR(UCHAR_MAMEKEY(F8))
- PORT_BIT(0x0002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR(')')
- PORT_BIT(0x0004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O')
- PORT_BIT(0x0008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K')
- PORT_BIT(0x0010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR(';')
-
- PORT_START("ROW.13")
- PORT_BIT(0x0001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME(UTF8_LEFT) PORT_CODE(KEYCODE_F9)
- PORT_BIT(0x0002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR('=')
- PORT_BIT(0x0004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P')
- PORT_BIT(0x0008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L')
- PORT_BIT(0x0010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR(':')
-
- PORT_START("ROW.14")
- PORT_BIT(0x0001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME(UTF8_RIGHT) PORT_CODE(KEYCODE_F10)
- PORT_BIT(0x0002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('@') PORT_CHAR('?')
- PORT_BIT(0x0004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('<') PORT_CHAR('>')
- PORT_BIT(0x0008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_COLON) PORT_CHAR('[') PORT_CHAR('{')
- PORT_BIT(0x0010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('-') PORT_CHAR('`')
-
- PORT_START("ROW.15")
- PORT_BIT(0x0001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Esc") PORT_CODE(KEYCODE_F11) PORT_CHAR(27)
- PORT_BIT(0x0002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('/') PORT_CHAR('\\')
- PORT_BIT(0x0004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR('+') PORT_CHAR('*')
- PORT_BIT(0x0008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR(']') PORT_CHAR('}')
- PORT_BIT(0x0010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_MAMEKEY(RSHIFT))
-INPUT_PORTS_END
-
-
-//**************************************************************************
-// VIDEO
-//**************************************************************************
-
-READ8_MEMBER(itt3030_state::vsync_r)
-{
- uint8_t ret = 0;
-
- if (m_screen->vblank())
- {
- ret |= 0xc0; // set both bits 6 and 7 if vblank
- }
-
- if (m_screen->hblank())
- {
- ret |= 0x80; // set only bit 7 if hblank
- }
-
- return ret;
-}
-
-WRITE8_MEMBER(itt3030_state::bank_w)
-{
- int bank = 8;
-
- if (BIT(data, 4))
- {
- bank = (BIT(data, 5) << 2) | (BIT(data, 6) << 1) | BIT(data, 7);
- }
-
- // printf("bank_w: new value %02x, m_bank %x, bank %x\n", data, m_bank, bank);
-
- m_48kbank->set_bank(bank);
-}
-
-uint32_t itt3030_state::screen_update( screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
-{
- int start = m_crtc->upscroll_offset();
- for(int y = 0; y < 24; y++ )
- {
- int vramy = (start + y) % 24;
- for(int x = 0; x < 80; x++ )
- {
- uint8_t code = m_vram[x + vramy*128];
- int invert = code & 0x80 ? 1 : 0;
- code &= 0x7f;
- m_gfxdecode->gfx(invert)->opaque(bitmap,cliprect, code , 0, 0,0, x*8,y*12);
- }
- }
-
- return 0;
-}
-
-static const gfx_layout charlayout =
-{
- 8, 16, /* 8x16 characters */
- 128, /* 128 characters */
- 1, /* 1 bits per pixel */
- {0}, /* no bitplanes; 1 bit per pixel */
- {7, 6, 5, 4, 3, 2, 1, 0},
- { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8,
- 8*8, 9*8, 10*8, 11*8, 12*8, 13*8, 14*8, 15*8 },
- 8*16 /* size of one char */
-};
-
-static GFXDECODE_START( gfx_itt3030 )
- GFXDECODE_ENTRY( "gfx1", 0, charlayout, 0, 1 )
- GFXDECODE_ENTRY( "gfx1", 0, charlayout, 0, 1 )
-GFXDECODE_END
-
-void itt3030_state::itt3030_palette(palette_device &palette) const
-{
- palette.set_pen_color(0, rgb_t::black());
- palette.set_pen_color(1, rgb_t(215, 229, 82));
- palette.set_pen_color(2, rgb_t::black());
-}
-
-//**************************************************************************
-// SOUND
-//**************************************************************************
-
-WRITE8_MEMBER( itt3030_state::beep_w )
-{
- m_beep->set_state(data&1);
-}
-
-//**************************************************************************
-// FLOPPY
-//**************************************************************************
-
-WRITE_LINE_MEMBER(itt3030_state::fdcirq_w)
-{
- m_fdc_irq = state;
-}
-
-
-WRITE_LINE_MEMBER(itt3030_state::fdcdrq_w)
-{
- m_fdc_drq = state;
-}
-
-WRITE_LINE_MEMBER(itt3030_state::fdchld_w)
-{
- m_fdc_hld = state;
-}
-
-/*
- 7 Data Request (DRQ - inverted 1791-Signal)
- 6 Interrupt Request (INTRQ - 1791-Signal)
- 5 Head Load (HLD - inverted 1791-Signal)
- 4 Ready 3 (Drive 3 ready)
- 3 Ready 2 (Drive 2 ready)
- 2 Ready l (Drive 1 ready)
- 1 Write protect (the disk in the selected drive is write protected)
- 0 HLT (Halt signal during head load and track change)
-*/
-READ8_MEMBER(itt3030_state::fdc_stat_r)
-{
- uint8_t res = 0;
- floppy_image_device *floppy1 = m_floppy[0] ? m_floppy[0]->get_device() : nullptr;
- floppy_image_device *floppy2 = m_floppy[1] ? m_floppy[1]->get_device() : nullptr;
- floppy_image_device *floppy3 = m_floppy[2] ? m_floppy[2]->get_device() : nullptr;
-
- res = m_fdc_drq ? 0x80 : 0x00;
- res |= m_fdc_irq ? 0x40 : 0x00;
- res |= m_fdc_hld ? 0x00 : 0x20;
- if (floppy3) res |= !floppy3->ready_r() ? 0x10 : 0;
- if (floppy2) res |= !floppy2->ready_r() ? 0x08 : 0;
- if (floppy1) res |= !floppy1->ready_r() ? 0x04 : 0;
- if (m_curfloppy) res |= m_curfloppy->wpt_r() ? 0x02 : 0;
-
- return res;
-}
-
-/* As far as we can tell, the mess of ttl de-inverts the bus */
-READ8_MEMBER(itt3030_state::fdc_r)
-{
- return m_fdc->read(offset) ^ 0xff;
-}
-
-WRITE8_MEMBER(itt3030_state::fdc_w)
-{
- m_fdc->write(offset, data ^ 0xff);
-}
-
-/*
- 7 SEL1 - Select drive 1
- 6 SEL2 - Select drive 2
- 5 SEL3 - Select drive 3
- 4 MOTOR - Motor on
- 3 DOOR - Drive door lock drives 1 + 2 (not possible with all drives)
- 2 SIDESEL - Select disk side
- 1 KOMP - write comp on/off
- 0 RG J - Change separator stage to read
-*/
-WRITE8_MEMBER(itt3030_state::fdc_cmd_w)
-{
- floppy_image_device *floppy = nullptr;
-
- logerror("%02x to fdc_cmd_w: motor %d side %d\n", data, (data & 0x10)>>4, (data & 4)>>2);
-
- // select drive
- if (data & 0x80)
- {
- floppy = m_floppy[0] ? m_floppy[0]->get_device() : nullptr;
- }
- else if (data & 0x40)
- {
- floppy = m_floppy[1] ? m_floppy[1]->get_device() : nullptr;
- }
- else if (data & 0x20)
- {
- floppy = m_floppy[2] ? m_floppy[2]->get_device() : nullptr;
- }
-
- // selecting a new drive?
- if (floppy != m_curfloppy)
- {
- m_fdc->set_floppy(floppy);
- m_curfloppy = floppy;
- }
-
- if (floppy != nullptr)
- {
- // side select
- floppy->ss_w((data & 4) ? 1 : 0);
-
- // motor control (active low)
- floppy->mon_w((data & 0x10) ? 0 : 1);
- }
-}
-
-//**************************************************************************
-// FLOPPY - Drive definitions
-//**************************************************************************
-
-FLOPPY_FORMATS_MEMBER( itt3030_state::itt3030_floppy_formats )
- FLOPPY_ITT3030_FORMAT
-FLOPPY_FORMATS_END
-
-
-static void itt3030_floppies(device_slot_interface &device)
-{
- device.option_add("525dd", FLOPPY_525_DD);
- device.option_add("525qd", FLOPPY_525_QD);
-}
-
-
-
-
-//**************************************************************************
-// MACHINE
-//**************************************************************************
-
-void itt3030_state::machine_start()
-{
- save_item(NAME(m_kbdread));
- m_48kbank->space(AS_PROGRAM).install_ram(0, m_ram->size() - 16384, m_ram->pointer());
- m_maincpu->space(AS_PROGRAM).install_ram(0xc000, 0xffff, m_ram->pointer() + m_ram->size() - 16384);
- m_gfxdecode->gfx(1)->set_colorbase(1);
-
- m_kbdclk = 0; // must be initialized here b/c mcs48_reset() causes write of 0xff to all ports
-}
-
-void itt3030_state::machine_reset()
-{
- m_48kbank->set_bank(8);
- m_kbdread = 1;
- m_kbdclk = 1;
- m_fdc_irq = m_fdc_drq = m_fdc_hld = 0;
- m_curfloppy = nullptr;
-}
-
-void itt3030_state::itt3030(machine_config &config)
-{
- /* basic machine hardware */
- Z80(config, m_maincpu, 4_MHz_XTAL);
- m_maincpu->set_addrmap(AS_PROGRAM, &itt3030_state::itt3030_map);
- m_maincpu->set_addrmap(AS_IO, &itt3030_state::itt3030_io);
-
- // Schematics + i8278 datasheet says:
- // Port 1 goes to the keyboard matrix.
- // bits 0-2 select bit to read back, bits 3-6 choose column to read from, bit 7 clocks the process (rising edge strobes the row, falling edge reads the data)
- // T0 is the key matrix return
- // pin 23 is the UPI-41 host IRQ line, it's unknown how it's connected to the Z80
- I8741A(config, m_kbdmcu, 6_MHz_XTAL);
- m_kbdmcu->t0_in_cb().set(FUNC(itt3030_state::kbd_matrix_r));
- m_kbdmcu->p1_out_cb().set(FUNC(itt3030_state::kbd_matrix_w));
- m_kbdmcu->p2_in_cb().set(FUNC(itt3030_state::kbd_port2_r));
- m_kbdmcu->p2_out_cb().set(FUNC(itt3030_state::kbd_port2_w));
-
- /* video hardware */
- SCREEN(config, m_screen, SCREEN_TYPE_RASTER);
- m_screen->set_refresh_hz(60);
- m_screen->set_vblank_time(ATTOSECONDS_IN_USEC(250));
- m_screen->set_screen_update(FUNC(itt3030_state::screen_update));
- m_screen->set_size(80*8, 24*12);
- m_screen->set_visarea(0, 80*8-1, 0, 24*12-1);
- m_screen->set_palette(m_palette);
-
- /* devices */
- ADDRESS_MAP_BANK(config, "lowerbank").set_map(&itt3030_state::lower48_map).set_options(ENDIANNESS_LITTLE, 8, 20, 0xc000);
-
- CRT5027(config, m_crtc, 6_MHz_XTAL / 8).set_char_width(8);
-
- FD1791(config, m_fdc, 20_MHz_XTAL / 20);
- m_fdc->intrq_wr_callback().set(FUNC(itt3030_state::fdcirq_w));
- m_fdc->drq_wr_callback().set(FUNC(itt3030_state::fdcdrq_w));
- m_fdc->hld_wr_callback().set(FUNC(itt3030_state::fdchld_w));
- FLOPPY_CONNECTOR(config, "fdc:0", itt3030_floppies, "525qd", itt3030_state::itt3030_floppy_formats);
- FLOPPY_CONNECTOR(config, "fdc:1", itt3030_floppies, "525qd", itt3030_state::itt3030_floppy_formats);
- FLOPPY_CONNECTOR(config, "fdc:2", itt3030_floppies, "525qd", itt3030_state::itt3030_floppy_formats);
-
- GFXDECODE(config, m_gfxdecode, m_palette, gfx_itt3030);
-
- PALETTE(config, m_palette, FUNC(itt3030_state::itt3030_palette), 3);
-
- /* internal ram */
- RAM(config, "mainram").set_default_size("256K");
-
- /* sound hardware */
- SPEAKER(config, "mono").front_center();
- BEEP(config, m_beep, 3250).add_route(ALL_OUTPUTS, "mono", 1.00);
-}
-
-
-//**************************************************************************
-// ROM DEFINITIONS
-//**************************************************************************
-
-ROM_START( itt3030 )
- ROM_REGION( 0x0800, "maincpu", ROMREGION_ERASE00 )
- ROM_LOAD( "bootv1.2.bin", 0x0000, 0x0800, CRC(90279d45) SHA1(a39a3f31f4f98980b1ef50805870837fbf72261d))
- ROM_REGION( 0x0800, "gfx1", ROMREGION_ERASE00 )
- ROM_LOAD( "gb136-0.bin", 0x0000, 0x0800, CRC(6a3895a8) SHA1(f3b977ffa2f54c346521c9ef034830de8f404621))
- ROM_REGION( 0x0400, "kbdmcu", ROMREGION_ERASE00 )
- ROM_LOAD( "8741ad.bin", 0x0000, 0x0400, CRC(cabf4394) SHA1(e5d1416b568efa32b578ca295a29b7b5d20c0def))
-ROM_END
-
-//**************************************************************************
-// SYSTEM DRIVERS
-//**************************************************************************
-
-COMP( 1982, itt3030, 0, 0, itt3030, itt3030, itt3030_state, empty_init, "ITT RFA", "ITT3030", MACHINE_NOT_WORKING | MACHINE_NO_SOUND )