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-rw-r--r--src/mame/drivers/ep64.cpp691
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diff --git a/src/mame/drivers/ep64.cpp b/src/mame/drivers/ep64.cpp
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-// license:BSD-3-Clause
-// copyright-holders:Curt Coder
-/**********************************************************************
-
- Enterprise Sixty Four / One Two Eight emulation
-
-**********************************************************************/
-
-/*
-
-Enterprise Sixty Four / Enterprise One Two Eight
-Enterprise Computers Ltd. 1985
-
-MAIN PCB Layout
----------------
- DUAL
-|-----------| 9V TAPE_IN/OUT RES
-|HEATSINK | DC_IN MON1 AND REMOTE SR1 PR1 CN2A CN1A |-|
-| |--||---|--||--|--| |--| |-||-||-||-||-| |----| |-----| |--| |--| |-|-|------|
-|-----------|7805 | MOD | |-| |-| |-| |-| |-| |-| |-| EXP2 --|EXTERNAL
- |---+7805 | | 74LS06 74LS273 74LS86 74LS32 --|EXPANSION
- | | |------| 74LS244 --|CONNECTOR
- | |78L12 POT1 LM386 |-----| |-----| EXP1 --|
- CART | | LM1889 LM1886 74LS04|NICK | |DAVE | --|
- CONN | | KEYB_8 POT2 KEYB_10 | | | | --|
- | | 4.433619MHz 74LS145 POT3 LED |-----| |-----| --|
- |---+ --|
- | 74LS74 74LS244 74LS244 74LS245 |---------|
- | |
- | 74LS373 4164 4164 74F157 |
- | |
- | 16-2-103 LM339 LM324 4164 4164 74F157 EXOS.IC2 |
- | 8MHz |
- | 74LS373 4164 4164 |
- | 74LS04 Z80A |
- | 74LS273 4164 4164 |
- |------------------------------------------------------------------|
-Notes: (all IC's shown)
- Z80A - Z80A CPU, clock input 4MHz [8/2]
- EXOS.IC2 - 32k x8-bit mask ROM usually 23256 manufactured by GI (DIP24). Contains EXOS operating
- system and built-in word processor software. A few official revisions were made and
- there were a few unofficial revision made with additional capabilities and bug-fixes
- ROM labelling of some official versions found....
- 9256DS-0019 (C)1984 INTELLIGENT SOFTWARE LTD ENTER 08-45-A GI
- 9256DS-0036 (C)1984 INTELLIGENT SOFTWARE LTD ENTER 05-23-A GI
- 4164 - 64k x1-bit Dynamic RAM with Page Mode (DIP16)
- NICK - Custom graphics chip (QFP72)
- DAVE - Custom sound chip (QFP72)
- LM386 - National Semiconductor LM386 Low Voltage Audio Power Amplifier (DIP8)
- LM1889 - National Semiconductor LM1889 TV Video Modulator (DIP18)
- LM1886 - National Semiconductor LM1886 TV Video Matrix DAC (DIP20)
- LM339 - SGS LM339 Low Power Low Offset Voltage Quad Comparator (DIP8)
- LM324 - SGS LM324 Quad Operational Amplifier (DIP8)
- 74LS04 - Hex Inverter (DIP14)
- 74LS06 - Hex Inverter/Buffer with Open-Collector Outputs (DIP14)
- 74LS32 - Quad 2-Input Positive OR Gate (DIP14)
- 74LS74 - Dual Positive-Edge-Triggered D Flip-Flops with Preset, Clear and Complementary Outputs (DIP14)
- 74LS86 - Quad 2-Input Exclusive OR Gate (DIP14)
- 74LS145 - BCD to Deccimal Decoder/Driver (DIP16)
- 74F157 - Quad 2-Line to 1-Line Data Selector/Multiplexer (DIP16). Early rev mainboards use 74LS158 instead
- 74LS244 - Octal 3-State Noninverting Buffer/Line Driver/Line Receiver (DIP20)
- 74LS245 - Octal Bus Tranceiver with Tri-State Outputs (DIP20)
- 74LS273 - Octal D-Type Flip-Flop With Clear (DIP20)
- 74LS373 - Octal D-Type Transparent Latches and Edge-Triggered Flip-Flops (DIP20)
- 7805 - Voltage regulator. +9V DC input from DC power pack, +5V DC output
- 78L12 - Voltage regulator. Voltage input via small transformer on PCB. +12V DC output
- POT1 - Potentiometer located near modulator and video output circuitry
- POT2 - Potentiometer located near video output circuitry. Probably used to fine-tune the video clock
- POT3 - Potentiometer. Possibly for video/NICK-related adjustments
- LED - LED to show +5V is present
- 16-2-103 - Resistor Array (DIP16)
- KEYB_8 - 8 pin keyboard connector
- KEYB_10 - 10 pin keyboard connector
- EXP1 - 28 pin internal expansion connector (solder holes only) used for internal 64k memory expansion card
- EXP2 - 10 pin internal expansion connector (solder holes only) used for internal 64k memory expansion card
- MOD - Astec UM1233 TV modulator
- RES - Reset push button switch
- MON1 - Monitor output connector. Pinout is....
-
- Green A1 B1 NC
- Ground A2 B2 Ground
- Mono Comp. Video A3 B3 Blue
- HSync A4 B4 Red
- VSync A5 B5 Composite Sync
- NC A6 B6 Mode Switch
- Left Audio A7 B7 Right Audio
-
- SR1 - Serial/Network connector. Pinout is....
-
- Reference A1 B1 Ground
- - A2 B2 -
- RTS A3 B3 Data Out
- CTS A4 B4 Data In
-
- PR1 - Printer connector. Pinout is....
-
- Ground A1 B1 Ground
- Strobe A2 B2 Ready
- Data 3 A3 B3 Data 4
- - A4 B4 -
- Data 2 A5 B5 Data 5
- Data 1 A6 B6 Data 6
- Data 0 A7 B7 Data 7
-
- CN2A - Joystick 2 connector
- CN1A - Joystick 1 connector
- Pinout is....
-
- Keyboard J A1 B1 Ground
- Keyboard L A2 B2 Keyboard K
- - A3 B3 -
- Right A4 B4 +5V
- Down A5 B5 Left
- Fire A6 B6 Up
-
-
-Internal Memory Expansion PCB Layout
-------------------------------------
-
-|---------------------|
-| 4164 74LS00 PL3 PL2|
-|4164 74LS30 74F157 |
-|4164 4164 |
-|4164 4164 74F157 |
-|4164 4164 74LS32 PL1|
-|---------------------|
-Notes: (All IC's shown)
- PL1 - 28-pin connector (solder pads only) hard-wired to solder pads EXP1 on mainboard
- PL2/PL3 - 5-pin connectors (solder pads only) hard-wired to solder pads EXP2 on mainboard
- 4164 - 64k x1-bit Dynamic RAM with Page Mode (DIP16)
- 74LS00 - Quad 2-Input NAND Gate (DIP14)
- 74LS30 - 8-input NAND Gate (DIP14)
- 74LS32 - Quad 2-Input Positive OR Gate (DIP14)
- 74F157 - Quad 2-Line to 1-Line Data Selector/Multiplexer (DIP16). Early rev memory boards use 74LS158 instead
-
-*/
-
-/*
-
- TODO:
-
- - POST RAM errors
- - rewrite DAVE to output to discrete DAC
- - rewrite NICK
- - cassette
- - external joysticks
-
- http://ep.homeserver.hu/Dokumentacio/Konyvek/
-
-*/
-
-#include "emu.h"
-
-#include "bus/centronics/ctronics.h"
-#include "bus/ep64/exp.h"
-#include "bus/generic/carts.h"
-#include "bus/generic/slot.h"
-#include "bus/rs232/rs232.h"
-#include "cpu/z80/z80.h"
-#include "imagedev/cassette.h"
-#include "machine/ram.h"
-#include "sound/dave.h"
-#include "video/nick.h"
-
-#include "softlist.h"
-#include "speaker.h"
-
-
-#define Z80_TAG "u1"
-#define DAVE_TAG "u3"
-#define NICK_TAG "u4"
-#define CENTRONICS_TAG "centronics"
-#define RS232_TAG "rs232"
-#define CASSETTE1_TAG "cassette1"
-#define CASSETTE2_TAG "cassette2"
-#define SCREEN_TAG "screen"
-#define EP64_EXPANSION_BUS_TAG "exp"
-
-class ep64_state : public driver_device
-{
-public:
- ep64_state(const machine_config &mconfig, device_type type, const char *tag) :
- driver_device(mconfig, type, tag),
- m_maincpu(*this, Z80_TAG),
- m_dave(*this, DAVE_TAG),
- m_nick(*this, NICK_TAG),
- m_centronics(*this, CENTRONICS_TAG),
- m_rs232(*this, RS232_TAG),
- m_cassette1(*this, CASSETTE1_TAG),
- m_cassette2(*this, CASSETTE2_TAG),
- m_cart(*this, "cartslot"),
- m_exp(*this, EP64_EXPANSION_BUS_TAG),
- m_ram(*this, RAM_TAG),
- m_rom(*this, Z80_TAG),
- m_y(*this, "Y%u", 0)
- { }
-
- void ep128(machine_config &config);
- void ep64(machine_config &config);
-
-private:
- required_device<cpu_device> m_maincpu;
- required_device<dave_device> m_dave;
- required_device<nick_device> m_nick;
- required_device<centronics_device> m_centronics;
- required_device<rs232_port_device> m_rs232;
- required_device<cassette_image_device> m_cassette1;
- required_device<cassette_image_device> m_cassette2;
- required_device<generic_slot_device> m_cart;
- required_device<ep64_expansion_bus_slot_device> m_exp;
- required_device<ram_device> m_ram;
- required_memory_region m_rom;
- required_ioport_array<10> m_y;
-
- virtual void machine_start() override;
- virtual void machine_reset() override;
-
- uint8_t rd0_r();
- void wr0_w(uint8_t data);
- uint8_t rd1_r();
- void wr2_w(uint8_t data);
-
- uint8_t m_key;
-
- DECLARE_WRITE_LINE_MEMBER(write_centronics_busy);
- int m_centronics_busy;
- void dave_128k_mem(address_map &map);
- void dave_64k_mem(address_map &map);
- void dave_io(address_map &map);
- void ep64_io(address_map &map);
- void ep64_mem(address_map &map);
-};
-
-
-
-//**************************************************************************
-// READ/WRITE HANDLERS
-//**************************************************************************
-
-//-------------------------------------------------
-// rd0_r -
-//-------------------------------------------------
-
-uint8_t ep64_state::rd0_r()
-{
- uint8_t data = 0xff;
-
- if (m_key < 10)
- {
- data &= m_y[m_key]->read();
- }
-
- return data;
-}
-
-
-//-------------------------------------------------
-// rd0_r -
-//-------------------------------------------------
-
-void ep64_state::wr0_w(uint8_t data)
-{
- /*
-
- bit description
-
- 0 KEY A
- 1 KEY B
- 2 KEY C
- 3 KEY D
- 4 PRINTER _STB
- 5 CASSETTE OUT
- 6 REMOTE 1
- 7 REMOTE 2
-
- */
-
- // keyboard
- m_key = data & 0x0f;
-
- // printer
- m_centronics->write_strobe(!BIT(data, 4));
-
- // cassette
- m_cassette1->output(BIT(data, 5) ? -1.0 : +1.0);
- m_cassette2->output(BIT(data, 5) ? -1.0 : +1.0);
-
- // cassette
- m_cassette1->change_state(BIT(data, 6) ? CASSETTE_MOTOR_ENABLED : CASSETTE_MOTOR_DISABLED, CASSETTE_MASK_MOTOR);
- m_cassette2->change_state(BIT(data, 7) ? CASSETTE_MOTOR_ENABLED : CASSETTE_MOTOR_DISABLED, CASSETTE_MASK_MOTOR);
-}
-
-WRITE_LINE_MEMBER( ep64_state::write_centronics_busy )
-{
- m_centronics_busy = state;
-}
-
-//-------------------------------------------------
-// rd1_r -
-//-------------------------------------------------
-
-uint8_t ep64_state::rd1_r()
-{
- /*
-
- bit description
-
- 0 KBJ
- 1 KBK
- 2 KBL
- 3 PRINTER _RDY
- 4 SERIAL/NET DATA IN
- 5 SERIAL/NET STATUS IN
- 6 CASSETTE IN
- 7 ?
-
- */
-
- uint8_t data = 0;
-
- // printer
- data |= m_centronics_busy << 3;
-
- // serial
- data |= m_rs232->rxd_r() << 4;
- data |= m_rs232->cts_r() << 5;
-
- // cassette
- data |= ((m_cassette1->input() < 0) || (m_cassette2->input() < 0)) << 6;
-
- return data;
-}
-
-
-//-------------------------------------------------
-// wr2_w -
-//-------------------------------------------------
-
-void ep64_state::wr2_w(uint8_t data)
-{
- /*
-
- bit description
-
- 0 SERIAL/NET DATA OUT
- 1 SERIAL/NET STATUS OUT
- 2
- 3
- 4
- 5
- 6
- 7
-
- */
-
- // serial
- m_rs232->write_txd(!BIT(data, 0));
- m_rs232->write_rts(!BIT(data, 1));
-}
-
-
-
-//**************************************************************************
-// ADDRESS MAPS
-//**************************************************************************
-
-//-------------------------------------------------
-// ADDRESS_MAP( ep64_mem )
-//-------------------------------------------------
-
-void ep64_state::ep64_mem(address_map &map)
-{
- map(0x0000, 0xffff).m(m_dave, FUNC(dave_device::z80_program_map));
-}
-
-
-//-------------------------------------------------
-// ADDRESS_MAP( ep64_io )
-//-------------------------------------------------
-
-void ep64_state::ep64_io(address_map &map)
-{
- map(0x0000, 0xffff).m(m_dave, FUNC(dave_device::z80_io_map));
-}
-
-
-//-------------------------------------------------
-// ADDRESS_MAP( dave_64k_mem )
-//-------------------------------------------------
-
-void ep64_state::dave_64k_mem(address_map &map)
-{
- map(0x000000, 0x007fff).rom().region(Z80_TAG, 0);
- //map(0x010000, 0x01ffff) // mapped by the cartslot
- map(0x3f0000, 0x3fffff).m(m_nick, FUNC(nick_device::vram_map));
-}
-
-
-//-------------------------------------------------
-// ADDRESS_MAP( dave_128k_mem )
-//-------------------------------------------------
-
-void ep64_state::dave_128k_mem(address_map &map)
-{
- dave_64k_mem(map);
- map(0x3e0000, 0x3effff).ram();
-}
-
-
-//-------------------------------------------------
-// ADDRESS_MAP( dave_io )
-//-------------------------------------------------
-
-void ep64_state::dave_io(address_map &map)
-{
- map.global_mask(0xff);
- map(0x80, 0x8f).m(m_nick, FUNC(nick_device::vio_map));
- map(0xb5, 0xb5).rw(FUNC(ep64_state::rd0_r), FUNC(ep64_state::wr0_w));
- map(0xb6, 0xb6).r(FUNC(ep64_state::rd1_r)).w("cent_data_out", FUNC(output_latch_device::write));
- map(0xb7, 0xb7).w(FUNC(ep64_state::wr2_w));
-}
-
-
-
-//**************************************************************************
-// INPUT PORTS
-//**************************************************************************
-
-//-------------------------------------------------
-// INPUT_PORTS( ep64 )
-//-------------------------------------------------
-
-static INPUT_PORTS_START( ep64 )
- PORT_START("Y0")
- PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N')
- PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_TILDE) PORT_CHAR('\\') PORT_CHAR('|')
- PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B')
- 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_X) PORT_CHAR('x') PORT_CHAR('X')
- PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z')
- PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Left SHIFT") PORT_CODE(KEYCODE_LSHIFT) PORT_CHAR(UCHAR_SHIFT_1)
-
- PORT_START("Y1")
- 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_NAME("LOCK") PORT_CODE(KEYCODE_CAPSLOCK) PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK))
- PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G')
- PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D')
- PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F')
- PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S')
- PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A')
- PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("CTRL") PORT_CODE(KEYCODE_LCONTROL)
-
- PORT_START("Y2")
- PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U')
- PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q')
- PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y')
- PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R')
- PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T')
- 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_W) PORT_CHAR('w') PORT_CHAR('W')
- PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("TAB") PORT_CODE(KEYCODE_TAB) PORT_CHAR('\t')
-
- PORT_START("Y3")
- PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('\'')
- PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!')
- PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('&')
- PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$')
- PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%')
- PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("3 \xC2\xA3") PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR(0x00a3)
- PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('"')
- PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("ESC") PORT_CODE(KEYCODE_ESC) PORT_CHAR(UCHAR_MAMEKEY(ESC))
-
- PORT_START("Y4")
- PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("FUNCTION 4") PORT_CODE(KEYCODE_F4) PORT_CHAR(UCHAR_MAMEKEY(F4))
- PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("FUNCTION 8") PORT_CODE(KEYCODE_F8) PORT_CHAR(UCHAR_MAMEKEY(F8))
- PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("FUNCTION 3") PORT_CODE(KEYCODE_F3) PORT_CHAR(UCHAR_MAMEKEY(F3))
- PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("FUNCTION 6") PORT_CODE(KEYCODE_F6) PORT_CHAR(UCHAR_MAMEKEY(F6))
- PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("FUNCTION 5") PORT_CODE(KEYCODE_F5) PORT_CHAR(UCHAR_MAMEKEY(F5))
- PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("FUNCTION 7") PORT_CODE(KEYCODE_F7) PORT_CHAR(UCHAR_MAMEKEY(F7))
- PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("FUNCTION 2") PORT_CODE(KEYCODE_F2) PORT_CHAR(UCHAR_MAMEKEY(F2))
- PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("FUNCTION 1") PORT_CODE(KEYCODE_F1) PORT_CHAR(UCHAR_MAMEKEY(F1))
-
- PORT_START("Y5")
- PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('(')
- PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNUSED )
- PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR(')')
- PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') 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_EQUALS) PORT_CHAR('^') PORT_CHAR('~')
- PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("ERASE") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8)
- PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )
-
- PORT_START("Y6")
- PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J')
- PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNUSED )
- 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_COLON) PORT_CHAR(';') PORT_CHAR('+')
- PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L')
- 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_UNUSED )
-
- PORT_START("Y7")
- PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("STOP") PORT_CODE(KEYCODE_END)
- PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY
- PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY
- PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY
- PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("HOLD") PORT_CODE(KEYCODE_HOME)
- PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY
- PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("ENTER") PORT_CODE(KEYCODE_ENTER) PORT_CHAR('\r')
- PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("ALT") PORT_CODE(KEYCODE_LALT) PORT_CHAR(UCHAR_MAMEKEY(LALT))
-
- PORT_START("Y8")
- PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M')
- PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("DEL") PORT_CODE(KEYCODE_DEL) PORT_CHAR(UCHAR_MAMEKEY(DEL))
- PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<')
- PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?')
- PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>')
- PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Right SHIFT") PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1)
- PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("SPACE") PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ')
- PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("INS") PORT_CODE(KEYCODE_INSERT) PORT_CHAR(UCHAR_MAMEKEY(INSERT))
-
- PORT_START("Y9")
- PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I')
- PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNUSED )
- PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O')
- PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('@') PORT_CHAR('`')
- 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_CLOSEBRACE) PORT_CHAR('[') PORT_CHAR('{')
- PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED )
- PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )
-INPUT_PORTS_END
-
-
-//**************************************************************************
-// MACHINE INITIALIZATION
-//**************************************************************************
-
-//-------------------------------------------------
-// MACHINE_START( ep64 )
-//-------------------------------------------------
-
-void ep64_state::machine_start()
-{
- if (m_cart->exists())
- m_dave->space(AS_PROGRAM).install_read_handler(0x010000, 0x01ffff, read8sm_delegate(*m_cart, FUNC(generic_slot_device::read_rom)));
-
- // state saving
- save_item(NAME(m_key));
- save_item(NAME(m_centronics_busy));
-}
-
-
-void ep64_state::machine_reset()
-{
- m_dave->reset();
- m_nick->reset();
-
- wr0_w(0);
- subdevice<output_latch_device>("cent_data_out")->write(0);
- wr2_w(0);
-}
-
-
-
-//**************************************************************************
-// MACHINE CONFIGURATION
-//**************************************************************************
-
-//-------------------------------------------------
-// machine_config( ep64 )
-//-------------------------------------------------
-
-void ep64_state::ep64(machine_config &config)
-{
- // basic machine hardware
- Z80(config, m_maincpu, XTAL(8'000'000)/2);
- m_maincpu->set_addrmap(AS_PROGRAM, &ep64_state::ep64_mem);
- m_maincpu->set_addrmap(AS_IO, &ep64_state::ep64_io);
-
- // video hardware
- screen_device& screen(SCREEN(config, SCREEN_TAG, SCREEN_TYPE_RASTER));
- screen.set_refresh_hz(50);
- screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500));
- screen.set_size(ENTERPRISE_SCREEN_WIDTH, ENTERPRISE_SCREEN_HEIGHT);
- screen.set_visarea(0, ENTERPRISE_SCREEN_WIDTH-1, 0, ENTERPRISE_SCREEN_HEIGHT-1);
- screen.set_screen_update(NICK_TAG, FUNC(nick_device::screen_update));
-
- NICK(config, m_nick, XTAL(8'000'000), SCREEN_TAG);
- m_nick->virq_wr_callback().set(m_dave, FUNC(dave_device::int1_w));
-
- // sound hardware
- SPEAKER(config, "lspeaker").front_left();
- SPEAKER(config, "rspeaker").front_right();
- DAVE(config, m_dave, XTAL(8'000'000));
- m_dave->set_addrmap(AS_PROGRAM, &ep64_state::dave_64k_mem);
- m_dave->set_addrmap(AS_IO, &ep64_state::dave_io);
- m_dave->irq_wr().set_inputline(Z80_TAG, INPUT_LINE_IRQ0);
- m_dave->add_route(0, "lspeaker", 0.25);
- m_dave->add_route(1, "rspeaker", 0.25);
-
- // devices
- EP64_EXPANSION_BUS_SLOT(config, m_exp, nullptr);
- m_exp->set_program_space(m_dave, AS_PROGRAM);
- m_exp->set_io_space(m_dave, AS_IO);
- m_exp->irq_wr().set_inputline(m_maincpu, INPUT_LINE_IRQ0);
- m_exp->nmi_wr().set_inputline(m_maincpu, INPUT_LINE_NMI);
- m_exp->wait_wr().set_inputline(m_maincpu, Z80_INPUT_LINE_BOGUSWAIT);
-
- CENTRONICS(config, m_centronics, centronics_devices, "printer");
- m_centronics->busy_handler().set(FUNC(ep64_state::write_centronics_busy));
- output_latch_device &cent_data_out(OUTPUT_LATCH(config, "cent_data_out"));
- m_centronics->set_output_latch(cent_data_out);
-
- RS232_PORT(config, m_rs232, default_rs232_devices, nullptr);
- m_rs232->rxd_handler().set(m_dave, FUNC(dave_device::int2_w));
-
- CASSETTE(config, m_cassette1);
- m_cassette1->set_default_state(CASSETTE_STOPPED | CASSETTE_MOTOR_DISABLED | CASSETTE_SPEAKER_ENABLED);
- m_cassette1->set_interface("ep64_cass");
- m_cassette1->add_route(ALL_OUTPUTS, "lspeaker", 0.05);
-
- CASSETTE(config, m_cassette2);
- m_cassette2->set_default_state(CASSETTE_STOPPED | CASSETTE_MOTOR_DISABLED | CASSETTE_SPEAKER_ENABLED);
- m_cassette2->set_interface("ep64_cass");
- m_cassette2->add_route(ALL_OUTPUTS, "rspeaker", 0.05);
-
- // internal RAM
- RAM(config, m_ram).set_default_size("64K");
-
- // cartridge
- GENERIC_CARTSLOT(config, m_cart, generic_linear_slot, "ep64_cart", "bin,rom");
-
- // software lists
- SOFTWARE_LIST(config, "cart_list").set_original("ep64_cart");
- SOFTWARE_LIST(config, "cass_list").set_original("ep64_cass");
- SOFTWARE_LIST(config, "flop_list").set_original("ep64_flop");
-}
-
-
-//-------------------------------------------------
-// machine_config( ep128 )
-//-------------------------------------------------
-
-void ep64_state::ep128(machine_config &config)
-{
- ep64(config);
- m_dave->set_addrmap(AS_PROGRAM, &ep64_state::dave_128k_mem);
-
- // internal RAM
- m_ram->set_default_size("128K");
-}
-
-
-
-//**************************************************************************
-// ROMS
-//**************************************************************************
-
-//-------------------------------------------------
-// ROM( ep64 )
-//-------------------------------------------------
-
-ROM_START( ep64 )
- ROM_REGION( 0x8000, Z80_TAG, 0 )
- ROM_LOAD( "9256ds-0038_enter05-23-a.u2", 0x0000, 0x8000, CRC(d421795f) SHA1(6033a0535136c40c47137e4d1cd9273c06d5fdff) )
-ROM_END
-
-#define rom_phc64 rom_ep64
-
-
-//-------------------------------------------------
-// ROM( ep128 )
-//-------------------------------------------------
-
-ROM_START( ep128 )
- ROM_REGION( 0x8000, Z80_TAG, 0 )
- ROM_LOAD( "9256ds-0019_enter08-45-a.u2", 0x0000, 0x8000, CRC(982a3b44) SHA1(55315b20fecb4441a07ee4bc5dc7153f396e0a2e) )
-ROM_END
-
-
-
-//**************************************************************************
-// SYSTEM DRIVERS
-//**************************************************************************
-
-// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
-COMP( 1985, ep64, 0, 0, ep64, ep64, ep64_state, empty_init, "Enterprise Computers", "Enterprise Sixty Four", MACHINE_IMPERFECT_GRAPHICS | MACHINE_IMPERFECT_SOUND )
-COMP( 1985, phc64, ep64, 0, ep64, ep64, ep64_state, empty_init, "Hegener + Glaser", "Mephisto PHC 64 (Germany)", MACHINE_IMPERFECT_GRAPHICS | MACHINE_IMPERFECT_SOUND )
-COMP( 1986, ep128, ep64, 0, ep128, ep64, ep64_state, empty_init, "Enterprise Computers", "Enterprise One Two Eight", MACHINE_IMPERFECT_GRAPHICS | MACHINE_IMPERFECT_SOUND )