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|
// license:BSD-3-Clause
// copyright-holders:zzemu-cn, Robbbert
/***************************************************************************
NF500A (TRS80 Level II Basic)
09/01/2019
H-01B (TRS80 Level II Basic)
10/05/2019
Despite the references to the TRS-80, the machines are entirely incompatible.
TODO:
- Need schematics and technical info.
- Need confirmation of clock speeds for each machine.
(Cassettes made on machines of different clocks are not shareable)
- JCE's 16KB extended ROM functionality is not understood, functionality is
unemulated
- Need software.
****************************************************************************/
#include "emu.h"
#include "screen.h"
#include "speaker.h"
#include "emupal.h"
#include "cpu/z80/z80.h"
#include "video/mc6845.h"
#include "machine/ram.h"
#include "sound/spkrdev.h"
#include "imagedev/cassette.h"
class h01x_state : public driver_device
{
public:
h01x_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag)
, m_maincpu(*this, "maincpu")
, m_ram(*this, RAM_TAG)
, m_vram(*this, "vram")
, m_rom(*this, "maincpu")
, m_hzrom(*this, "hzrom")
, m_exrom(*this, "exrom")
, m_palette(*this, "palette")
, m_crtc(*this, "crtc")
, m_speaker(*this, "speaker")
, m_cassette(*this, "cassette")
, m_io_keyboard(*this, "LINE%u", 0U)
{ }
void h01x(machine_config &config);
void h01b(machine_config &config);
void nf500a(machine_config &config);
void h01jce(machine_config &config);
protected:
virtual void machine_start() override;
virtual void machine_reset() override;
private:
void h01x_mem_map(address_map &map);
void h01x_io_map(address_map &map);
uint8_t mem_0000_r(offs_t offset);
void mem_0000_w(uint8_t data);
uint8_t mem_4000_r(offs_t offset);
void mem_4000_w(offs_t offset, uint8_t data);
uint8_t mem_8000_r(offs_t offset);
void mem_8000_w(offs_t offset, uint8_t data);
uint8_t mem_c000_r(offs_t offset);
void mem_c000_w(offs_t offset, uint8_t data);
void port_70_w(uint8_t data);
uint8_t port_50_r();
required_device<cpu_device> m_maincpu;
required_device<ram_device> m_ram;
required_device<ram_device> m_vram;
required_region_ptr<u8> m_rom;
required_region_ptr<u8> m_hzrom;
optional_region_ptr<u8> m_exrom;
required_device<palette_device> m_palette;
required_device<mc6845_device> m_crtc;
required_device<speaker_sound_device> m_speaker;
required_device<cassette_image_device> m_cassette;
required_ioport_array<11> m_io_keyboard;
uint8_t m_bank = 0U;
MC6845_UPDATE_ROW(crtc_update_row);
uint8_t *m_ram_ptr = nullptr;
uint8_t *m_vram_ptr = nullptr;
TIMER_CALLBACK_MEMBER(cassette_data_callback);
bool m_cassette_data = false;
emu_timer *m_cassette_data_timer = nullptr;
};
void h01x_state::h01x(machine_config &config)
{
// basic machine hardware
Z80(config, m_maincpu, 16_MHz_XTAL / 8);
m_maincpu->set_addrmap(AS_PROGRAM, &h01x_state::h01x_mem_map);
m_maincpu->set_addrmap(AS_IO, &h01x_state::h01x_io_map);
// RAM
RAM(config, m_ram).set_default_size("32K").set_default_value(0x00);
// VRAM 16K 4bit
RAM(config, m_vram).set_default_size("16K").set_default_value(0xf0);
// video hardware
screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
screen.set_raw(10.6445_MHz_XTAL, 336, 0, 336, 192, 0, 192);
screen.set_screen_update("crtc", FUNC(mc6845_device::screen_update));
PALETTE(config, m_palette, palette_device::MONOCHROME);
MC6845(config, m_crtc, 10.6445_MHz_XTAL / 8); // freq guess
m_crtc->set_screen("screen");
m_crtc->set_show_border_area(false);
m_crtc->set_char_width(4);
m_crtc->set_update_row_callback(FUNC(h01x_state::crtc_update_row));
// sound hardware
SPEAKER(config, "mono").front_center();
SPEAKER_SOUND(config, m_speaker);
m_speaker->add_route(ALL_OUTPUTS, "mono", 0.50);
/* devices */
CASSETTE(config, m_cassette);
m_cassette->add_route(ALL_OUTPUTS, "mono", 0.05);
m_cassette->set_default_state(CASSETTE_STOPPED);
}
void h01x_state::h01b(machine_config &config)
{
// H-01B CPU: 2MHz ROM: 16KB + 32KB
h01x(config);
m_maincpu->set_clock(16_MHz_XTAL/8); // to confirm
}
void h01x_state::nf500a(machine_config &config)
{
// NF-500A CPU: 4MHz ROM: 16KB + 32KB
h01x(config);
m_maincpu->set_clock(16_MHz_XTAL/4); // to confirm
}
void h01x_state::h01jce(machine_config &config)
{
// JCE CPU: 4MHz ROM: 16KB + 32KB + 16KB
h01x(config);
m_maincpu->set_clock(16_MHz_XTAL/4); // to confirm
}
void h01x_state::h01x_mem_map(address_map &map)
{
map(0x0000, 0x3fff).rw(FUNC(h01x_state::mem_0000_r), FUNC(h01x_state::mem_0000_w));
map(0x4000, 0x7fff).rw(FUNC(h01x_state::mem_4000_r), FUNC(h01x_state::mem_4000_w));
map(0x8000, 0xbfff).rw(FUNC(h01x_state::mem_8000_r), FUNC(h01x_state::mem_8000_w));
map(0xc000, 0xffff).rw(FUNC(h01x_state::mem_c000_r), FUNC(h01x_state::mem_c000_w));
}
void h01x_state::h01x_io_map(address_map &map)
{
map.global_mask(0xff);
map.unmap_value_high();
map(0x60, 0x60).rw(m_crtc, FUNC(mc6845_device::status_r), FUNC(mc6845_device::address_w));
map(0x64, 0x64).rw(m_crtc, FUNC(mc6845_device::register_r), FUNC(mc6845_device::register_w));
map(0x50, 0x50).r(FUNC(h01x_state::port_50_r));
map(0x70, 0x70).w(FUNC(h01x_state::port_70_w));
}
/*
H-01B
KD7 KD6 KD5 KD4 KD3 KD2 KD1 KD0 scan address
A0 space Z A Q 1 BFFEH
A1 BRK X S W 2 BFFDH
A2 (16) C D E 3 BFFBH
A3 E/C V F R 4 BFF7H
A4 - B G T 5 BFEFH
A5 右 N H Y 6 BFDFH
A6 RETN M J U 7 BFBFH
A7 [ , K I 8 BF7FH
A8 BS 左 . L O 9 BEFFH
A9 : / ; P 0 BDFFH
A10 SHIFT 下 BBFFH
need to determine keys:
Ctrl ESC
*/
static INPUT_PORTS_START( h01b )
PORT_START("LINE0")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("1") PORT_CODE(KEYCODE_1) PORT_CODE(KEYCODE_1_PAD) PORT_CHAR('1') PORT_CHAR('!')
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Q") PORT_CODE(KEYCODE_Q) PORT_CHAR('Q') PORT_CHAR('q')
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("A") PORT_CODE(KEYCODE_A) PORT_CHAR('A') PORT_CHAR('a')
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Z") PORT_CODE(KEYCODE_Z) PORT_CHAR('Z') PORT_CHAR('z')
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Space") PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ')
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("LINE1")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("2") PORT_CODE(KEYCODE_2) PORT_CODE(KEYCODE_2_PAD) PORT_CHAR('2') PORT_CHAR('"')
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("W") PORT_CODE(KEYCODE_W) PORT_CHAR('W') PORT_CHAR('w')
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("S") PORT_CODE(KEYCODE_S) PORT_CHAR('S') PORT_CHAR('s')
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("X") PORT_CODE(KEYCODE_X) PORT_CHAR('X') PORT_CHAR('x')
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Break") PORT_CODE(KEYCODE_END) PORT_CHAR(UCHAR_MAMEKEY(END))
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("LINE2")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("3") PORT_CODE(KEYCODE_3) PORT_CODE(KEYCODE_3_PAD) PORT_CHAR('3') PORT_CHAR('#')
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("E") PORT_CODE(KEYCODE_E) PORT_CHAR('E') PORT_CHAR('e')
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("D") PORT_CODE(KEYCODE_D) PORT_CHAR('D') PORT_CHAR('d')
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("C") PORT_CODE(KEYCODE_C) PORT_CHAR('C') PORT_CHAR('c')
// PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Clear") PORT_CODE(KEYCODE_HOME) PORT_CHAR(UCHAR_MAMEKEY(HOME))
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Esc") PORT_CODE(KEYCODE_ESC) PORT_CHAR(27)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("LINE3")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("4") PORT_CODE(KEYCODE_4) PORT_CODE(KEYCODE_4_PAD) PORT_CHAR('4') PORT_CHAR('$')
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("R") PORT_CODE(KEYCODE_R) PORT_CHAR('R') PORT_CHAR('r')
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F") PORT_CODE(KEYCODE_F) PORT_CHAR('F') PORT_CHAR('f')
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("V") PORT_CODE(KEYCODE_V) PORT_CHAR('V') PORT_CHAR('v')
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("E/C") PORT_CODE(KEYCODE_TILDE) PORT_CHAR('`') PORT_CHAR('~')
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("LINE4")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("5") PORT_CODE(KEYCODE_5) PORT_CODE(KEYCODE_5_PAD) PORT_CHAR('5') PORT_CHAR('%')
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("T") PORT_CODE(KEYCODE_T) PORT_CHAR('T') PORT_CHAR('t')
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("G") PORT_CODE(KEYCODE_G) PORT_CHAR('G') PORT_CHAR('g')
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("B") PORT_CODE(KEYCODE_B) PORT_CHAR('B') PORT_CHAR('b')
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("- =") PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('-') PORT_CHAR('=')
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("LINE5")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("6") PORT_CODE(KEYCODE_6) PORT_CODE(KEYCODE_6_PAD) PORT_CHAR('6') PORT_CHAR('&')
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Y") PORT_CODE(KEYCODE_Y) PORT_CHAR('Y') PORT_CHAR('y')
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("H") PORT_CODE(KEYCODE_H) PORT_CHAR('H') PORT_CHAR('h')
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("N") PORT_CODE(KEYCODE_N) PORT_CHAR('N') PORT_CHAR('n')
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Right") PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT))
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("LINE6")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("7") PORT_CODE(KEYCODE_7) PORT_CODE(KEYCODE_7_PAD) PORT_CHAR('7') PORT_CHAR('\'')
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("U") PORT_CODE(KEYCODE_U) PORT_CHAR('U') PORT_CHAR('u')
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("J") PORT_CODE(KEYCODE_J) PORT_CHAR('J') PORT_CHAR('j')
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("M") PORT_CODE(KEYCODE_M) PORT_CHAR('M') PORT_CHAR('m')
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Enter") PORT_CODE(KEYCODE_ENTER) PORT_CODE(KEYCODE_ENTER_PAD) PORT_CHAR(13)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("LINE7")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("8") PORT_CODE(KEYCODE_8) PORT_CODE(KEYCODE_8_PAD) PORT_CHAR('8') PORT_CHAR('(')
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("I") PORT_CODE(KEYCODE_I) PORT_CHAR('I') PORT_CHAR('i')
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("K") PORT_CODE(KEYCODE_K) PORT_CHAR('K') PORT_CHAR('k')
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(", <") PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<')
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("[") PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('[') PORT_CHAR('{')
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("LINE8")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("9") PORT_CODE(KEYCODE_9) PORT_CODE(KEYCODE_9_PAD) PORT_CHAR('9') PORT_CHAR(')')
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("O") PORT_CODE(KEYCODE_O) PORT_CHAR('O') PORT_CHAR('o')
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("L") PORT_CODE(KEYCODE_L) PORT_CHAR('L') PORT_CHAR('l')
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(". >") PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>')
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Left") PORT_CODE(KEYCODE_LEFT) PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(UCHAR_MAMEKEY(LEFT))
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("LINE9")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("0") PORT_CODE(KEYCODE_0) PORT_CODE(KEYCODE_0_PAD) PORT_CHAR('0')
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("P") PORT_CODE(KEYCODE_P) PORT_CHAR('P') PORT_CHAR('p')
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("; +") PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR('+')
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("/ ?") PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?')
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(": *") PORT_CODE(KEYCODE_MINUS) PORT_CHAR(':') PORT_CHAR('*')
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("LINE10")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Down") PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN))
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Shift") PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
INPUT_PORTS_END
/*
模拟器中的按键位置安排参照 TRS-80
NF-500A
KD7 KD6 KD5 KD4 KD3 KD2 KD1 KD0 scan address
A0 R E 5 CTRL? 6 T W BFFEH
A1 3 2 Y E/C U 4 1 BFFDH
A2 9 : 8 - 7 0 下 BFFBH
A3 D S G ESC H F Q BFF7H
A4 X A V Z C BRK BFEFH
A5 L BS 左 K space J ; 右 BFDFH
A6 M . N B , / BFBFH
A7 P RETN O SHIFT I [ BF7FH
3 56 34 51 key functions not verified, temporarily mapped to ] TAB \ '
E/C E汉 = ~ translates to ASCII 20
ESC translates to ASCII 31
BS translates to ASCII 8
61 translates to ASCII 13 enter
16 translates to ASCII 10 down
56 translates to ASCII 16
27 3 34 51 no action
Program to test key ASCII codes
10 A$=INKEY$
20 IF LEN(A$)>0 THEN PRINT ASC(A$)
30 GOTO 10
TRS-80
left 8 right 9 up 91 down 10
Clear 31
@ 64
backspace 8
*/
/* Input ports */
static INPUT_PORTS_START( h01x )
PORT_START("LINE0")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("W") PORT_CODE(KEYCODE_W) PORT_CHAR('W') PORT_CHAR('w')
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("T") PORT_CODE(KEYCODE_T) PORT_CHAR('T') PORT_CHAR('t')
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("6") PORT_CODE(KEYCODE_6) PORT_CODE(KEYCODE_6_PAD) PORT_CHAR('6') PORT_CHAR('&')
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("5") PORT_CODE(KEYCODE_5) PORT_CODE(KEYCODE_5_PAD) PORT_CHAR('5') PORT_CHAR('%')
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("E") PORT_CODE(KEYCODE_E) PORT_CHAR('E') PORT_CHAR('e')
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("R") PORT_CODE(KEYCODE_R) PORT_CHAR('R') PORT_CHAR('r')
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("LINE1")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("1") PORT_CODE(KEYCODE_1) PORT_CODE(KEYCODE_1_PAD) PORT_CHAR('1') PORT_CHAR('!')
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("4") PORT_CODE(KEYCODE_4) PORT_CODE(KEYCODE_4_PAD) PORT_CHAR('4') PORT_CHAR('$')
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("U") PORT_CODE(KEYCODE_U) PORT_CHAR('U') PORT_CHAR('u')
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("E/C") PORT_CODE(KEYCODE_TILDE) PORT_CHAR('`') PORT_CHAR('~')
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Y") PORT_CODE(KEYCODE_Y) PORT_CHAR('Y') PORT_CHAR('y')
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("2") PORT_CODE(KEYCODE_2) PORT_CODE(KEYCODE_2_PAD) PORT_CHAR('2') PORT_CHAR('"')
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("3") PORT_CODE(KEYCODE_3) PORT_CODE(KEYCODE_3_PAD) PORT_CHAR('3') PORT_CHAR('#')
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("LINE2")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Down") PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN))
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("0") PORT_CODE(KEYCODE_0) PORT_CODE(KEYCODE_0_PAD) PORT_CHAR('0')
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("7") PORT_CODE(KEYCODE_7) PORT_CODE(KEYCODE_7_PAD) PORT_CHAR('7') PORT_CHAR('\'')
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("- =") PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('-') PORT_CHAR('=')
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("8") PORT_CODE(KEYCODE_8) PORT_CODE(KEYCODE_8_PAD) PORT_CHAR('8') PORT_CHAR('(')
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(": *") PORT_CODE(KEYCODE_MINUS) PORT_CHAR(':') PORT_CHAR('*')
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("9") PORT_CODE(KEYCODE_9) PORT_CODE(KEYCODE_9_PAD) PORT_CHAR('9') PORT_CHAR(')')
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("LINE3")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Q") PORT_CODE(KEYCODE_Q) PORT_CHAR('Q') PORT_CHAR('q')
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F") PORT_CODE(KEYCODE_F) PORT_CHAR('F') PORT_CHAR('f')
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("H") PORT_CODE(KEYCODE_H) PORT_CHAR('H') PORT_CHAR('h')
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Esc") PORT_CODE(KEYCODE_ESC) PORT_CHAR(27)
//PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Clear") PORT_CODE(KEYCODE_HOME) PORT_CHAR(UCHAR_MAMEKEY(HOME))
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("G") PORT_CODE(KEYCODE_G) PORT_CHAR('G') PORT_CHAR('g')
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("S") PORT_CODE(KEYCODE_S) PORT_CHAR('S') PORT_CHAR('s')
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("D") PORT_CODE(KEYCODE_D) PORT_CHAR('D') PORT_CHAR('d')
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("LINE4")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Break") PORT_CODE(KEYCODE_END) PORT_CHAR(UCHAR_MAMEKEY(END))
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("C") PORT_CODE(KEYCODE_C) PORT_CHAR('C') PORT_CHAR('c')
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Z") PORT_CODE(KEYCODE_Z) PORT_CHAR('Z') PORT_CHAR('z')
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("V") PORT_CODE(KEYCODE_V) PORT_CHAR('V') PORT_CHAR('v')
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("A") PORT_CODE(KEYCODE_A) PORT_CHAR('A') PORT_CHAR('a')
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("X") PORT_CODE(KEYCODE_X) PORT_CHAR('X') PORT_CHAR('x')
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("LINE5")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Right") PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT))
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("; +") PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR('+')
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("J") PORT_CODE(KEYCODE_J) PORT_CHAR('J') PORT_CHAR('j')
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Space") PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ')
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("K") PORT_CODE(KEYCODE_K) PORT_CHAR('K') PORT_CHAR('k')
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Left") PORT_CODE(KEYCODE_LEFT) PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(UCHAR_MAMEKEY(LEFT))
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("L") PORT_CODE(KEYCODE_L) PORT_CHAR('L') PORT_CHAR('l')
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("LINE6")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("/ ?") PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?')
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(", <") PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<')
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("B") PORT_CODE(KEYCODE_B) PORT_CHAR('B') PORT_CHAR('b')
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("N") PORT_CODE(KEYCODE_N) PORT_CHAR('N') PORT_CHAR('n')
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(". >") PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>')
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("M") PORT_CODE(KEYCODE_M) PORT_CHAR('M') PORT_CHAR('m')
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("LINE7")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("[") PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('[') PORT_CHAR('{')
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("I") PORT_CODE(KEYCODE_I) PORT_CHAR('I') PORT_CHAR('i')
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Shift") PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("O") PORT_CODE(KEYCODE_O) PORT_CHAR('O') PORT_CHAR('o')
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Enter") PORT_CODE(KEYCODE_ENTER) PORT_CODE(KEYCODE_ENTER_PAD) PORT_CHAR(13)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("P") PORT_CODE(KEYCODE_P) PORT_CHAR('P') PORT_CHAR('p')
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("LINE8")
PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("LINE9")
PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("LINE10")
PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED)
INPUT_PORTS_END
/* Machine */
void h01x_state::machine_start()
{
save_item(NAME(m_bank));
save_item(NAME(m_cassette_data));
m_cassette_data_timer = timer_alloc(FUNC(h01x_state::cassette_data_callback), this);
m_cassette_data_timer->adjust(attotime::zero, 0, attotime::from_hz(48000));
}
void h01x_state::machine_reset()
{
m_bank = 0x00;
m_ram_ptr = m_ram->pointer();
m_vram_ptr = m_vram->pointer();
}
MC6845_UPDATE_ROW( h01x_state::crtc_update_row )
{
rgb_t const *const palette = m_palette->palette()->entry_list_raw();
u32 *p = &bitmap.pix(y);
for (u16 x = 0; x < x_count; x++)
{
u16 mem = ((ma+x)*16 + ra) & 0x3fff;
u8 gfx = 0;
if (ra < 16)
gfx = m_vram_ptr[mem] ^ ((x == cursor_x) ? 15 : 0);
*p++ = palette[BIT(gfx, 3)];
*p++ = palette[BIT(gfx, 2)];
*p++ = palette[BIT(gfx, 1)];
*p++ = palette[BIT(gfx, 0)];
}
}
void h01x_state::port_70_w(uint8_t data)
{
m_bank = data & 0xc0;
// bit5, speaker
m_speaker->level_w(BIT(data, 5));
// bit4, cassette
m_cassette->output(BIT(data, 4) ? 1.0 : -1.0);
}
uint8_t h01x_state::port_50_r()
{
// bit 7, cassette input
return m_cassette_data ? 0xff : 0x7f;
}
// 0x0000 --- 0x3FFF
uint8_t h01x_state::mem_0000_r(offs_t offset)
{
return m_rom[offset];
}
void h01x_state::mem_0000_w(uint8_t data)
{
}
// 0x4000 --- 0x7FFF
uint8_t h01x_state::mem_4000_r(offs_t offset)
{
return m_ram_ptr[offset];
}
void h01x_state::mem_4000_w(offs_t offset, uint8_t data)
{
m_ram_ptr[offset] = data;
}
// 0x8000 --- 0xBFFF
uint8_t h01x_state::mem_8000_r(offs_t offset)
{
switch (m_bank) {
case 0xc0:
return m_hzrom[offset];
case 0x40:
if ((offset & 0xf000) == 0x3000) {
u8 result = 0xff;
for (int i = 0; i < 11; i++) {
if (!BIT(offset, i))
result &= m_io_keyboard[i]->read();
}
return result;
} else {
return 0xff;
}
case 0x00:
return m_ram_ptr[offset + 0x4000];
default:
return 0xff;
}
}
void h01x_state::mem_8000_w(offs_t offset, uint8_t data)
{
if (m_bank == 0x00)
m_ram_ptr[offset + 0x4000] = data;
}
// 0xC000 --- 0xFFFF
uint8_t h01x_state::mem_c000_r(offs_t offset)
{
if (m_bank == 0xc0)
return m_hzrom[offset + 0x4000];
else if (m_bank == 0x40)
return m_vram_ptr[offset];
else
return 0xff;
}
void h01x_state::mem_c000_w(offs_t offset, uint8_t data)
{
if (m_bank == 0x40)
m_vram_ptr[offset] = (data & 0x0f) | 0xf0;
}
TIMER_CALLBACK_MEMBER(h01x_state::cassette_data_callback)
{
m_cassette_data = false;
if (m_cassette->input() > 0.2)
m_cassette_data = true;
}
/* ROM definition */
ROM_START(h01b)
ROM_REGION(0x4000, "maincpu",0)
ROM_LOAD("h-01b_sysrom.bin", 0x0000, 0x4000, CRC(b52093a7) SHA1(8c874765033444688c906b1a987a73f2c3ec83fb))
ROM_REGION(0x8000,"hzrom",0)
ROM_LOAD("h-01b_hzrom.bin", 0x0000, 0x8000, CRC(f0d6a7ac) SHA1(72151d3215bc8b26f983466221fe5f4009727ce8))
ROM_END
ROM_START(nf500a)
ROM_REGION(0x4000, "maincpu",0)
ROM_LOAD("u2-hn27128-9adc.bin", 0x0000, 0x4000, CRC(147dae83) SHA1(856b0970c603e88707ce8638be5dbd8ab1c42a1b))
ROM_REGION(0x8000,"hzrom",0)
ROM_LOAD("u4-hn27256-32aa.bin", 0x0000, 0x8000, CRC(9ecfddaa) SHA1(54b6e1b43f79b7705e95edda845b21d7326d48e2))
ROM_END
ROM_START(h01jce)
ROM_REGION(0x4000, "maincpu",0)
ROM_LOAD("m5l27128k_9b99.bin", 0x0000, 0x4000, CRC(59be30df) SHA1(21ccc765d13992753ec0457e09ac97cea82888a9))
ROM_REGION(0x8000,"hzrom",0)
ROM_LOAD("u4-hn27256-32aa.bin", 0x0000, 0x8000, CRC(9ecfddaa) SHA1(54b6e1b43f79b7705e95edda845b21d7326d48e2))
ROM_REGION(0x4000, "exrom",0)
ROM_LOAD("hn4827128g_f0f9.bin", 0x0000, 0x4000, CRC(36bffec0) SHA1(5b4b24c54eba0a8b69f291ca656ea27a3685f42e))
ROM_END
/* Driver */
// H-01B中文教育电脑
// 普乐电器公司
// cpu Z-80A 2MHz
// NF500A教学电脑
// 国营八三〇厂制造
// cpu Z-80A 4MHz
// video MC6845P
// sysrom 16KB EPROM
// hzrom 32KB EPROM
// ram 32KB SRAM
// vram 16Kx4bit DRAM
// JCE
// 广东江门计算机应用设备厂
// video HD6845SP
// sysrom 16KB EPROM
// hzrom 32KB EPROM
// extrom 16KB EPROM
// Startup screens
// H-01B : H-01型中文教育电脑 普乐电器公司制造
// NF500A : H-01型汉字微电脑 中国科学院H电脑公司
// JCE : H-01型中文普及电脑 北岳电子有限公司制造
// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
COMP( 1985, h01b, 0, 0, h01b, h01b, h01x_state, empty_init, "China H Computer Company", "H-01B", MACHINE_SUPPORTS_SAVE )
COMP( 1985, nf500a, 0, 0, nf500a, h01x, h01x_state, empty_init, "China State-owned 830 Factory", "NF500A", MACHINE_SUPPORTS_SAVE )
COMP( 1987, h01jce, 0, 0, h01jce, h01x, h01x_state, empty_init, "China Jiangmen Computer Equipment Factory", "H-01 JCE", MACHINE_SUPPORTS_SAVE )
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