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// license:BSD-3-Clause
// copyright-holders:R. Belmont
/***************************************************************************
Sharp FontWriter series
Skeleton driver by R. Belmont
Main CPU: ROMless Mitsubishi M37720
FDC: NEC 72068 (entire PC controller on a chip)
512k RAM
Custom gate array
AT28C16 parallel EPROM
640x400 dot-matrix LCD
Things to check
- Hook up 37720 DMAC, it's used before this dies
- Check if "stack in bank FF" bit is used
- Verify timer implementation
****************************************************************************/
#include "emu.h"
#include "cpu/m37710/m37710.h"
#include "machine/nvram.h"
#include "machine/at28c16.h"
#include "screen.h"
#include "speaker.h"
class fontwriter_state : public driver_device
{
public:
fontwriter_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu")
{ }
void fontwriter(machine_config &config);
void fw600(machine_config &config);
private:
virtual void machine_reset() override;
virtual void machine_start() override;
uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
uint8_t vbl_r()
{
m_vbl ^= 0xff;
return m_vbl;
}
uint8_t vbl2_r()
{
m_vbl2 ^= 0x88;
return m_vbl;
}
void main_map(address_map &map);
void fw600_map(address_map &map);
// devices
required_device<m37720s1_device> m_maincpu;
// driver_device overrides
virtual void video_start() override;
uint8_t m_vbl = 0, m_vbl2 = 0;
};
void fontwriter_state::machine_reset()
{
m_vbl = 0;
}
void fontwriter_state::machine_start()
{
}
void fontwriter_state::video_start()
{
}
uint32_t fontwriter_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
{
return 0;
}
void fontwriter_state::main_map(address_map &map)
{
map(0x002000, 0x007fff).ram();
map(0x008000, 0x00ffff).rom().region("maincpu", 0x0000);
map(0x020000, 0x04ffff).ram();
map(0x100000, 0x1007ff).rw("at28c16", FUNC(at28c16_device::read), FUNC(at28c16_device::write));
map(0x200000, 0x3fffff).rom().region("maincpu", 0x0000);
}
void fontwriter_state::fw600_map(address_map &map)
{
map(0x000280, 0x0002ff).ram();
map(0x000800, 0x000fff).rw("at28c16", FUNC(at28c16_device::read), FUNC(at28c16_device::write));
map(0x002000, 0x007fff).ram();
map(0x008000, 0x00ffff).rom().region("maincpu", 0x1f8000);
map(0x020000, 0x04ffff).ram();
map(0x200000, 0x3fffff).rom().region("maincpu", 0x0000);
}
static INPUT_PORTS_START( fontwriter )
INPUT_PORTS_END
void fontwriter_state::fontwriter(machine_config &config)
{
M37720S1(config, m_maincpu, XTAL(16'000'000)); /* M37720S1 @ 16MHz - main CPU */
m_maincpu->set_addrmap(AS_PROGRAM, &fontwriter_state::main_map);
m_maincpu->p6_in_cb().set(FUNC(fontwriter_state::vbl_r));
m_maincpu->p7_in_cb().set(FUNC(fontwriter_state::vbl2_r));
AT28C16(config, "at28c16", 0);
screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
screen.set_refresh_hz(60);
screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500) /* not accurate */);
screen.set_screen_update(FUNC(fontwriter_state::screen_update));
screen.set_size(640, 400);
screen.set_visarea_full();
}
void fontwriter_state::fw600(machine_config &config)
{
M37720S1(config, m_maincpu, XTAL(16'000'000)); /* M37720S1 @ 16MHz - main CPU */
m_maincpu->set_addrmap(AS_PROGRAM, &fontwriter_state::fw600_map);
m_maincpu->p6_in_cb().set(FUNC(fontwriter_state::vbl_r));
m_maincpu->p7_in_cb().set(FUNC(fontwriter_state::vbl2_r));
AT28C16(config, "at28c16", 0);
screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
screen.set_refresh_hz(60);
screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500) /* not accurate */);
screen.set_screen_update(FUNC(fontwriter_state::screen_update));
screen.set_size(640, 400);
screen.set_visarea_full();
}
ROM_START(fw600)
ROM_REGION(0x200000, "maincpu", 0) /* M37720 program ROM */
ROM_LOAD( "lh5388n5.bin", 0x000000, 0x100000, CRC(3bcc5c19) SHA1(510e3795faf18e10f2fef69110f96183e7cfee35) )
ROM_LOAD( "lh5388n9.bin", 0x100000, 0x100000, CRC(be2198df) SHA1(9e42f3a933c6f247c452910af3a2e9196291574a) )
ROM_REGION(0x800, "at28c16", 0) /* AT28C16 parallel EPROM */
ROM_LOAD( "at28c16.bin", 0x000000, 0x000800, CRC(a84eafd9) SHA1(12503a71e98f80819959d41643b1d2773739b923) )
ROM_END
ROM_START(fw700ger)
ROM_REGION(0x200000, "maincpu", 0) /* M37720 program ROM */
ROM_LOAD( "lh5370pd.ic7", 0x000000, 0x200000, CRC(29083e13) SHA1(7e1605f91b53580e75f638f9e6b0917305c35f84) )
ROM_REGION(0x800, "at28c16", ROMREGION_ERASE00) /* AT28C16 parallel EPROM */
ROM_END
SYST( 1994, fw600, 0, 0, fw600, fontwriter, fontwriter_state, empty_init, "Sharp", "FontWriter FW-600", MACHINE_NOT_WORKING|MACHINE_NO_SOUND )
SYST( 1994, fw700ger, 0, 0, fontwriter, fontwriter, fontwriter_state, empty_init, "Sharp", "FontWriter FW-700 (German)", MACHINE_NOT_WORKING|MACHINE_NO_SOUND )
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