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CIT-101 [Doug Crawford]
This commit is contained in:
AJR 2018-03-15 17:56:27 -04:00
parent bdefc2139b
commit b6d5d656c7
4 changed files with 118 additions and 0 deletions
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1
scripts/target/mame/mess.lua
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@ -3509,6 +3509,7 @@ files {
MAME_DIR .. "src/mame/drivers/chesstrv.cpp",
MAME_DIR .. "src/mame/drivers/cd2650.cpp",
MAME_DIR .. "src/mame/drivers/cdc721.cpp",
MAME_DIR .. "src/mame/drivers/cit101.cpp",
MAME_DIR .. "src/mame/drivers/cit220.cpp",
MAME_DIR .. "src/mame/drivers/codata.cpp",
MAME_DIR .. "src/mame/drivers/controlid.cpp",

2
src/emu/xtal.cpp
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@ -186,6 +186,7 @@ const double XTAL::known_xtals[] = {
14'705'882, /* 14.705882_MHz_XTAL Aleck64 */
14'745'600, /* 14.7456_MHz_XTAL Namco System 12 & System Super 22/23 for JVS */
14'916'000, /* 14.916_MHz_XTAL ADDS Viewpoint 122 */
14'976'000, /* 14.976_MHz_XTAL CIT-101 80-column display clock */
15'000'000, /* 15_MHz_XTAL Sinclair QL, Amusco Poker */
15'148'800, /* 15.1488_MHz_XTAL Zentec 9002/9003 */
15'288'000, /* 15.288_MHz_XTAL DEC VT220 80-column display clock */
@ -240,6 +241,7 @@ const double XTAL::known_xtals[] = {
22'096'000, /* 22.096_MHz_XTAL ADDS Viewpoint 122 */
22'118'400, /* 22.1184_MHz_XTAL Amusco Poker */
22'321'000, /* 22.321_MHz_XTAL Apple LaserWriter II NT */
22'464'000, /* 22.464_MHz_XTAL CIT-101 132-column display clock */
22'656'000, /* 22.656_MHz_XTAL Super Pinball Action (~1440x NTSC line rate) */
22'896'000, /* 22.896_MHz_XTAL DEC VT220 132-column display clock */
23'814'000, /* 23.814_MHz_XTAL TeleVideo TVI-912, 920 & 950 */

112
src/mame/drivers/cit101.cpp Normal file
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@ -0,0 +1,112 @@
// license:BSD-3-Clause
// copyright-holders:
/***********************************************************************************************************************************
Skeleton driver for first-generation C. Itoh video terminals.
************************************************************************************************************************************/
#include "emu.h"
//#include "bus/rs232/rs232.h"
#include "cpu/i8085/i8085.h"
//#include "machine/er2055.h"
#include "machine/i8251.h"
#include "machine/pit8253.h"
#include "machine/i8255.h"
#include "screen.h"
class cit101_state : public driver_device
{
public:
cit101_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag)
, m_maincpu(*this, "maincpu")
, m_screen(*this, "screen")
, m_chargen(*this, "chargen")
{ }
void cit101(machine_config &config);
private:
u32 screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
void mem_map(address_map &map);
void io_map(address_map &map);
required_device<cpu_device> m_maincpu;
required_device<screen_device> m_screen;
required_region_ptr<u8> m_chargen;
};
u32 cit101_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
{
return 0;
}
void cit101_state::mem_map(address_map &map)
{
map(0x0000, 0x3fff).rom().region("maincpu", 0);
map(0x4000, 0xbfff).ram();
map(0xc000, 0xcfff).ram().share("videoram");
map(0xfc00, 0xfc00).rw("usart0", FUNC(i8251_device::data_r), FUNC(i8251_device::data_w));
map(0xfc01, 0xfc01).rw("usart0", FUNC(i8251_device::status_r), FUNC(i8251_device::control_w));
map(0xfc20, 0xfc20).rw("usart1", FUNC(i8251_device::data_r), FUNC(i8251_device::data_w));
map(0xfc21, 0xfc21).rw("usart1", FUNC(i8251_device::status_r), FUNC(i8251_device::control_w));
map(0xfc40, 0xfc40).rw("usart2", FUNC(i8251_device::data_r), FUNC(i8251_device::data_w));
map(0xfc41, 0xfc41).rw("usart2", FUNC(i8251_device::status_r), FUNC(i8251_device::control_w));
map(0xfc60, 0xfc60).noprw(); // ER2055 data?
map(0xfc80, 0xfc83).w("pit0", FUNC(pit8253_device::write));
map(0xfcc0, 0xfcc3).w("pit1", FUNC(pit8253_device::write));
}
void cit101_state::io_map(address_map &map)
{
map(0x60, 0x63).rw("ppi", FUNC(i8255_device::read), FUNC(i8255_device::write));
map(0xe0, 0xe0).noprw(); // ?
}
static INPUT_PORTS_START( cit101 )
INPUT_PORTS_END
MACHINE_CONFIG_START(cit101_state::cit101)
MCFG_CPU_ADD("maincpu", I8085A, 6.144_MHz_XTAL)
MCFG_CPU_PROGRAM_MAP(mem_map)
MCFG_CPU_IO_MAP(io_map)
MCFG_SCREEN_ADD("screen", RASTER)
MCFG_SCREEN_RAW_PARAMS(14.976_MHz_XTAL, 960, 0, 800, 260, 0, 240)
//MCFG_SCREEN_RAW_PARAMS(22.464_MHz_XTAL, 1440, 0, 1188, 260, 0, 240)
MCFG_SCREEN_UPDATE_DRIVER(cit101_state, screen_update)
MCFG_DEVICE_ADD("usart0", I8251, 6.144_MHz_XTAL / 2) // M5L8251AP-5
MCFG_DEVICE_ADD("usart1", I8251, 6.144_MHz_XTAL / 2) // M5L8251AP-5
MCFG_DEVICE_ADD("usart2", I8251, 6.144_MHz_XTAL / 2) // M5L8251AP-5
//MCFG_RS232_PORT_ADD("comm", default_rs232_devices, nullptr)
//MCFG_RS232_PORT_ADD("printer", default_rs232_devices, nullptr)
MCFG_DEVICE_ADD("pit0", PIT8253, 0) // NEC D8253C-2
MCFG_DEVICE_ADD("pit1", PIT8253, 0) // NEC D8253C-2
MCFG_DEVICE_ADD("ppi", I8255A, 0) // NEC D8255AC-2
//MCFG_DEVICE_ADD("nvr", ER2055, 0)
MACHINE_CONFIG_END
ROM_START( cit101 )
ROM_REGION(0x4000, "maincpu", 0)
ROM_LOAD( "IC1_(3G04)_V10A.BIN", 0x0000, 0x1000, CRC(5601fcac) SHA1(cad0d0335d133dd43993bc718ff72d12b8445cd1) )
ROM_LOAD( "IC2_(3H04)_V10A.BIN", 0x1000, 0x1000, CRC(23d263e0) SHA1(586e8185f9804987e0a4081724c060e74769d41d) )
ROM_LOAD( "IC3_(3I04)_V10A.BIN", 0x2000, 0x1000, CRC(15994b1d) SHA1(6d125db4ef5e1dd4d5a4d2f4d6f6bdf574e5bad8) )
ROM_LOAD( "IC4_(3J04)_V10A.BIN", 0x3000, 0x1000, CRC(274b9df0) SHA1(d0006258cbd56f6f6bb53906fb618ebe379f6563) )
ROM_REGION(0x1000, "chargen", 0)
ROM_LOAD( "1H (5H 1 02) Char ROM.BIN", 0x0000, 0x1000, CRC(ee0ff889) SHA1(a74ada19d19041b29e1b49aaf57ba7d9d54575e1) )
ROM_END
COMP( 1981, cit101, 0, 0, cit101, cit101, cit101_state, 0, "C. Itoh", "CIT-101", MACHINE_IS_SKELETON )

3
src/mame/mame.lst
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@ -9772,6 +9772,9 @@ f1gpstr2 // (c) 1993 Jaleco
scudhamm // (c) 1994 Jaleco
wildplt // (c) 1992 Jaleco
@source:cit101.cpp
cit101 // (c) 1981 C. Itoh
@source:cit220.cpp
cit220p // (c) 1984 C. Itoh