mirror of
https://github.com/holub/mame
synced 2025-04-24 17:30:55 +03:00
brother/ax145.cpp: Added skeleton driver for Brother AX-145 word processor. (#10994)
New systems marked not working ----------------------- Brother AX-145
This commit is contained in:
BartmanAbyss
GitHub
parent
3cf4d60bf1
commit
f3d0f10b5b
294
src/mame/brother/ax145.cpp
Normal file
294
src/mame/brother/ax145.cpp
Normal file
@ -0,0 +1,294 @@
|
||||
// license:BSD-3-Clause
|
||||
// copyright-holders:Bartman/Abyss
|
||||
|
||||
#include "emu.h"
|
||||
|
||||
#include "cpu/z180/z180.h"
|
||||
#include "machine/timer.h"
|
||||
#include "video/hd44780.h"
|
||||
|
||||
#include "debug/debugcpu.h"
|
||||
#include "emupal.h"
|
||||
#include "screen.h"
|
||||
#include "speaker.h"
|
||||
|
||||
|
||||
// 240x18x4 = 960x72
|
||||
// -log -debug -window -intscalex 4 -intscaley 4 -resolution 960x72 ax145
|
||||
|
||||
//////////////////////////////////////////////////////////////////////////
|
||||
// AX-145
|
||||
//////////////////////////////////////////////////////////////////////////
|
||||
|
||||
/***************************************************************************
|
||||
|
||||
Brother AX-145
|
||||
198?
|
||||
|
||||
Hardware:
|
||||
|
||||
Main PCB B482360-1
|
||||
========
|
||||
|
||||
#7 Hitachi
|
||||
HD64180RP6
|
||||
6 MHz, 80xx Peripherals
|
||||
|
||||
#6 Texas Instruments
|
||||
LM393P
|
||||
Dual differential comparator, commercial grade
|
||||
|
||||
#5 not populated
|
||||
µPD23C2001
|
||||
|
||||
#2 NEC
|
||||
D43256AC-10L
|
||||
NEC
|
||||
Static CMOS RAM 32,768 x 8-Bit
|
||||
|
||||
#3 NEC
|
||||
D23C4001EC-172
|
||||
UA2849-A
|
||||
4MBit Mask ROM for Dictionary
|
||||
|
||||
#4 NEC
|
||||
D23C1001EC-522
|
||||
UA4474-C
|
||||
1MBit Mask ROM
|
||||
|
||||
#1 Texas Instruments
|
||||
SN74HC00N
|
||||
Quad 2-Input Positive-NAND Gates
|
||||
|
||||
#8 NEC
|
||||
D65013-A73
|
||||
UA3001-A
|
||||
CMOS Gate Array
|
||||
|
||||
LCD PCB connected via 12-pin ribbon cable
|
||||
========
|
||||
Hitachi
|
||||
HD44780S-B02
|
||||
U17978-A
|
||||
Dot Matrix Liquid Crystal Display Controller/Driver
|
||||
Custom Font
|
||||
(driven in 4-bit mode, R/W connected)
|
||||
|
||||
2x Hitachi
|
||||
HD66100F
|
||||
LCD Driver with 80-Channel Outputs
|
||||
|
||||
LCD: 40 characters x 2 lines
|
||||
|
||||
see https://github.com/BartmanAbyss/brother-hardware/tree/master/0G%20-%20Brother%20AX-145 for datasheets, photos
|
||||
|
||||
// Status:
|
||||
// doesn't go further than "SCHREIBWERK ÜBERPRÜFEN" (check printer)
|
||||
// TODO: needs european font for HD44780
|
||||
|
||||
***************************************************************************/
|
||||
|
||||
// hw_config:
|
||||
// - & 0x1f:
|
||||
// 6 => deutsch
|
||||
// 12 => francais/nederlands
|
||||
// 13 => nederlands
|
||||
// 16, 17 => francais/deutsch
|
||||
// 8, 9, 14, 21 => espanol
|
||||
|
||||
namespace {
|
||||
|
||||
class ax145_state : public driver_device
|
||||
{
|
||||
public:
|
||||
ax145_state(const machine_config &mconfig, device_type type, const char *tag) :
|
||||
driver_device(mconfig, type, tag),
|
||||
maincpu(*this, "maincpu"),
|
||||
lcdc(*this, "hd44780"),
|
||||
ram(*this, "ram", 0x8000, ENDIANNESS_LITTLE),
|
||||
rom(*this, "maincpu"),
|
||||
dictionary_bank(*this, "dictionary")
|
||||
{ }
|
||||
|
||||
void ax145(machine_config &config) ATTR_COLD;
|
||||
|
||||
protected:
|
||||
// driver_device overrides
|
||||
virtual void machine_start() override ATTR_COLD;
|
||||
virtual void machine_reset() override ATTR_COLD;
|
||||
virtual void video_start() override ATTR_COLD;
|
||||
|
||||
private:
|
||||
// valid values (bei IO3000=0x0b,0x07) (read_config @ 0x14c87): 0 = german => 0, 1 = german => 1, 2 = espanol => 2, 4 (gehäusedeckel offen) => 3, 8 = francais => 4, 16 = german => 5
|
||||
static constexpr uint8_t ID = 1;
|
||||
|
||||
// devices
|
||||
required_device<hd64180rp_device> maincpu;
|
||||
required_device<hd44780_device> lcdc;
|
||||
memory_share_creator<uint8_t> ram;
|
||||
required_region_ptr<uint8_t> rom;
|
||||
required_memory_bank dictionary_bank;
|
||||
|
||||
// config switch
|
||||
uint8_t io_3000{};
|
||||
|
||||
// bit 2: R/~W (Read / Not Write)
|
||||
// bit 1: RS (Register Select)
|
||||
// bit 0: E (Enable)
|
||||
uint8_t lcd_signal{};
|
||||
|
||||
void map_program(address_map &map) ATTR_COLD
|
||||
{
|
||||
map(0x00000, 0x01fff).rom();
|
||||
map(0x04000, 0x1ffff).rom();
|
||||
map(0x40000, 0x5ffff).bankr(dictionary_bank);
|
||||
// RAM is installed in machine_start()
|
||||
}
|
||||
|
||||
void map_io(address_map &map) ATTR_COLD
|
||||
{
|
||||
map.global_mask(0xffff);
|
||||
map(0x0000, 0x003f).noprw(); // Z180 internal registers
|
||||
//map(0x0040, 0x00ff).rw(FUNC(ax145_state::illegal_io_r), FUNC(ax145_state::illegal_io_w));
|
||||
//map(0x2000, 0x2000).w(TODO);
|
||||
//map(0x2800, 0x2800).w(TODO);
|
||||
map(0x3000, 0x3000).w(FUNC(ax145_state::io_3000_w));
|
||||
map(0x3800, 0x3800).r(FUNC(ax145_state::io_3800_r)); // config lower 4 bits
|
||||
map(0x4000, 0x4000).r(FUNC(ax145_state::io_4000_r)); // config upper 4 bits
|
||||
map(0x5000, 0x5000).w(FUNC(ax145_state::dictionary_bank_w));
|
||||
map(0x5800, 0x5800).w(FUNC(ax145_state::lcd_signal_w));
|
||||
map(0x6000, 0x6000).rw(FUNC(ax145_state::lcd_data_r), FUNC(ax145_state::lcd_data_w));
|
||||
//map(0x6800, 0x6800).w(TODO);
|
||||
//map(0x7000, 0x7000).w(TODO);
|
||||
//map(0x7800, 0x7800).w(TODO);
|
||||
//map(0x8000, 0x8000).w(TODO);
|
||||
//map(0x8800, 0x8800).w(TODO);
|
||||
//map(0x9000, 0x9000).r(TODO);
|
||||
map(0xb000, 0xb000).r(FUNC(ax145_state::irq_ack_r));
|
||||
//map(0xb800, 0xb800).rw(TODO, TODO);
|
||||
}
|
||||
|
||||
void palette(palette_device &palette) const ATTR_COLD
|
||||
{
|
||||
palette.set_pen_color(0, rgb_t(138, 146, 148));
|
||||
palette.set_pen_color(1, rgb_t(92, 83, 88));
|
||||
}
|
||||
|
||||
// IO
|
||||
void io_3000_w(uint8_t data) { io_3000 = data; }
|
||||
|
||||
// should probably return something different depending on io_3000
|
||||
// 0x0014a9 also reads but io_3000=0xfe,0xff...
|
||||
uint8_t io_3800_r()
|
||||
{
|
||||
// config lower 4 bits
|
||||
return (~ID) & 0x0f;
|
||||
}
|
||||
|
||||
uint8_t io_4000_r()
|
||||
{
|
||||
// config upper 4 bits
|
||||
return (~ID) >> 4;
|
||||
}
|
||||
|
||||
void lcd_signal_w(uint8_t data)
|
||||
{
|
||||
lcd_signal = data;
|
||||
}
|
||||
|
||||
uint8_t lcd_data_r()
|
||||
{
|
||||
if(BIT(lcd_signal, 1)) // RS
|
||||
return lcdc->data_r();
|
||||
else
|
||||
return lcdc->control_r();
|
||||
}
|
||||
void lcd_data_w(uint8_t data)
|
||||
{
|
||||
if(BIT(lcd_signal, 0)) { // E
|
||||
if(BIT(lcd_signal, 1)) // RS
|
||||
lcdc->data_w(data << 4);
|
||||
else
|
||||
lcdc->control_w(data << 4);
|
||||
}
|
||||
}
|
||||
|
||||
void dictionary_bank_w(uint8_t data)
|
||||
{
|
||||
dictionary_bank->set_entry(data & 0x03);
|
||||
}
|
||||
|
||||
// int2
|
||||
TIMER_DEVICE_CALLBACK_MEMBER(int2_timer_callback)
|
||||
{
|
||||
maincpu->set_input_line(INPUT_LINE_IRQ2, ASSERT_LINE);
|
||||
}
|
||||
|
||||
uint8_t irq_ack_r()
|
||||
{
|
||||
if(!machine().side_effects_disabled())
|
||||
maincpu->set_input_line(INPUT_LINE_IRQ2, CLEAR_LINE);
|
||||
return 0;
|
||||
}
|
||||
};
|
||||
|
||||
void ax145_state::video_start()
|
||||
{
|
||||
}
|
||||
|
||||
void ax145_state::machine_start()
|
||||
{
|
||||
maincpu->space(AS_PROGRAM).install_ram(0x02000, 0x03fff, ram); // first 0x2000 bytes of RAM
|
||||
maincpu->space(AS_PROGRAM).install_ram(0x62000, 0x69fff, ram); // complete 0x8000 bytes of RAM
|
||||
dictionary_bank->configure_entries(0, 4, memregion("dictionary")->base(), 0x20000);
|
||||
|
||||
// TODO: ROM patch
|
||||
}
|
||||
|
||||
void ax145_state::machine_reset()
|
||||
{
|
||||
}
|
||||
|
||||
void ax145_state::ax145(machine_config &config) {
|
||||
// basic machine hardware
|
||||
HD64180RP(config, maincpu, 12'000'000 / 2);
|
||||
maincpu->set_addrmap(AS_PROGRAM, &ax145_state::map_program);
|
||||
maincpu->set_addrmap(AS_IO, &ax145_state::map_io);
|
||||
|
||||
TIMER(config, "1khz").configure_periodic(FUNC(ax145_state::int2_timer_callback), attotime::from_hz(1000)); // just guessing frequency, based on LW-30, 350, 450
|
||||
|
||||
// video hardware
|
||||
screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_LCD));
|
||||
screen.set_color(rgb_t(6, 245, 206));
|
||||
screen.set_physical_aspect(480, 128);
|
||||
screen.set_refresh_hz(78.1);
|
||||
screen.set_size(6*40, 9*2);
|
||||
screen.set_visarea_full();
|
||||
screen.set_screen_update("hd44780", FUNC(hd44780_device::screen_update));
|
||||
screen.set_palette("palette");
|
||||
|
||||
PALETTE(config, "palette", FUNC(ax145_state::palette), 2);
|
||||
|
||||
HD44780(config, lcdc, 0);
|
||||
lcdc->set_lcd_size(2, 40);
|
||||
}
|
||||
|
||||
static INPUT_PORTS_START(ax145)
|
||||
// TODO
|
||||
INPUT_PORTS_END
|
||||
|
||||
/***************************************************************************
|
||||
Machine driver(s)
|
||||
***************************************************************************/
|
||||
|
||||
ROM_START( ax145 )
|
||||
ROM_REGION(0x20000, "maincpu", 0)
|
||||
ROM_LOAD("ua4774-c", 0x00000, 0x20000, CRC(82E0F117) SHA1(2bb2883feb73c7c20e2e3004b3588ba354e52b3a)) // german/french/dutch/spanish
|
||||
ROM_REGION(0x80000, "dictionary", 0)
|
||||
ROM_LOAD("ua2849-a", 0x00000, 0x80000, CRC(FA8712EB) SHA1(2d3454138c79e75604b30229c05ed8fb8e7d15fe)) // german dictionary
|
||||
ROM_END
|
||||
|
||||
} // anonymous namespace
|
||||
|
||||
// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
|
||||
COMP( 198?, ax145, 0, 0, ax145, ax145, ax145_state, empty_init, "Brother", "Brother AX-145", MACHINE_NOT_WORKING | MACHINE_NO_SOUND)
|
||||
@ -14785,6 +14785,9 @@ bw2 //
|
||||
@source:booth/apexc.cpp
|
||||
apexc // 1955(?) APEXC: All-Purpose Electronic X-ray Computer
|
||||
|
||||
@source:brother/ax145.cpp
|
||||
ax145 // Brother AX-145 (c) 198? Brother Industries, Ltd.
|
||||
|
||||
@source:camputers/camplynx.cpp
|
||||
lynx128k //
|
||||
lynx48k //
|
||||
|
||||
Loading…
Reference in New Issue
Block a user