// license:BSD-3-Clause
// copyright-holders:Robbbert
/***************************************************************************
IBM 3153 Terminal.
2016-05-04 Skeleton driver.
A green-screen terminal with a beeper.
Chip complement:
U1 K6T0808C10-DB70 (32k static ram)
U2 D-80C32-16 (cpu)
U3 DM74LS373N
U5 LM339N
U6 DM74LS125AN
U7 K6T0808C10-DB70 (ram)
U8 K6T0808C10-DB70 (ram)
U9 598-0013040 6491 3.19 (boot rom)
U10 DS1488N
U11 74LS377N
U12 DS1489AN
U13 LSI VICTOR 006-9802760 REV B WDB36003 Y9936 (video processor)
U14 74F00PC
U16 DM74LS125AN
U17 DS1488N
U18 DS1489AN
U25 SN74F04N
U100 74F07N
Crystals:
Y1 16.000 MHz
Y2 65.089 MHz
Y3 44.976 MHz
ToDo:
- Everything!
****************************************************************************/
#include "emu.h"
#include "cpu/mcs51/mcs51.h"
#include "emupal.h"
#include "screen.h"
class ibm3153_state : public driver_device
{
public:
ibm3153_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag)
, m_maincpu(*this, "maincpu")
, m_p_chargen(*this, "chargen")
{ }
void ibm3153(machine_config &config);
private:
DECLARE_PALETTE_INIT(ibm3153);
uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
void io_map(address_map &map);
void mem_map(address_map &map);
virtual void machine_reset() override;
required_device<cpu_device> m_maincpu;
required_region_ptr<u8> m_p_chargen;
};
void ibm3153_state::mem_map(address_map &map)
{
map.unmap_value_high();
map(0x00000, 0x0ffff).rom().region("user1", 0);
}
void ibm3153_state::io_map(address_map &map)
{
map(0x0000, 0xffff).ram();
//ADDRESS_MAP_UNMAP_HIGH
//ADDRESS_MAP_GLOBAL_MASK(0xff)
}
/* Input ports */
static INPUT_PORTS_START( ibm3153 )
INPUT_PORTS_END
uint32_t ibm3153_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
return 0;
}
PALETTE_INIT_MEMBER( ibm3153_state, ibm3153 )
{
palette.set_pen_color(0, 0, 0, 0 ); /* Black */
palette.set_pen_color(1, 0, 255, 0 ); /* Full */
palette.set_pen_color(2, 0, 128, 0 ); /* Dimmed */
}
void ibm3153_state::machine_reset()
{
}
MACHINE_CONFIG_START(ibm3153_state::ibm3153)
/* basic machine hardware */
MCFG_DEVICE_ADD("maincpu", I80C32, XTAL(16'000'000)) // no idea of clock
MCFG_DEVICE_PROGRAM_MAP(mem_map)
MCFG_DEVICE_IO_MAP(io_map)
/* video hardware */
MCFG_SCREEN_ADD("screen", RASTER)
MCFG_SCREEN_REFRESH_RATE(60)
MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */
MCFG_SCREEN_UPDATE_DRIVER(ibm3153_state, screen_update)
MCFG_SCREEN_SIZE(640, 240)
MCFG_SCREEN_VISIBLE_AREA(0, 639, 0, 239)
MCFG_SCREEN_PALETTE("palette")
MCFG_PALETTE_ADD("palette", 3)
MCFG_PALETTE_INIT_OWNER(ibm3153_state, ibm3153)
MACHINE_CONFIG_END
/* ROM definition */
ROM_START( ibm3153 )
ROM_REGION( 0x40000, "user1", 0 )
ROM_LOAD("598-0013040_6491_3.19.u9", 0x0000, 0x040000, CRC(7092d690) SHA1(a23a5bd5eae90e9b31fa32ef4be1258612eaaa0a) )
ROM_REGION( 0x2000, "chargen", 0 )
ROM_LOAD( "char.bin", 0x0000, 0x2000, NO_DUMP ) // probably inside the video processor
ROM_END
/* Driver */
// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
COMP( 1999?, ibm3153, 0, 0, ibm3153, ibm3153, ibm3153_state, empty_init, "IBM", "IBM 3153 Terminal", MACHINE_IS_SKELETON)