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sys80: Add 50 Hz version with different timings

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(nw) Note that "NTSC" and "PAL" would be misnomers for systems with monochrome video output and idiosyncratic line rates.

The 50 Hz timings have also been applied to the HT-1080Z (available documentation for which seems not particularly reliable).
This commit is contained in:
AJR 2018-12-12 08:00:37 -05:00 committed by Vas Crabb
parent 33968fd8fb
commit 71c134c887
4 changed files with 16 additions and 2 deletions
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1
src/emu/xtal.cpp
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@ -148,6 +148,7 @@ const double XTAL::known_xtals[] = {
10'137'600, /* 10.1376_MHz_XTAL Wyse WY-100 */
10'245'000, /* 10.245_MHz_XTAL PES Speech box */
10'380'000, /* 10.38_MHz_XTAL Fairlight Q219 Lightpen/Graphics Card */
10'480'000, /* 10.48_MHz_XTAL System-80 (50 Hz) */
10'500'000, /* 10.5_MHz_XTAL Agat-7 */
10'595'000, /* 10.595_MHz_XTAL Mad Alien */
10'644'500, /* 10.6445_MHz_XTAL TRS-80 Model I */

15
src/mame/drivers/trs80.cpp
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@ -582,9 +582,17 @@ MACHINE_CONFIG_START(trs80_state::sys80)
m_uart_clock->signal_handler().append(m_uart, FUNC(ay31015_device::write_tcp));
MACHINE_CONFIG_END
MACHINE_CONFIG_START(trs80_state::ht1080z)
MACHINE_CONFIG_START(trs80_state::sys80p)
sys80(config);
MCFG_DEVICE_MODIFY("maincpu")
MCFG_DEVICE_CLOCK(10.48_MHz_XTAL / 6)
MCFG_DEVICE_MODIFY("screen")
MCFG_SCREEN_RAW_PARAMS(10.48_MHz_XTAL, 672, 0, 384, 312, 0, 192)
MACHINE_CONFIG_END
MACHINE_CONFIG_START(trs80_state::ht1080z)
sys80p(config);
MCFG_DEVICE_MODIFY("maincpu")
MCFG_DEVICE_IO_MAP(ht1080z_io)
MCFG_SCREEN_MODIFY("screen")
@ -706,6 +714,8 @@ ROM_START(sys80)
ROM_LOAD("trs80m1.chr", 0x0000, 0x0400, CRC(0033f2b9) SHA1(0d2cd4197d54e2e872b515bbfdaa98efe502eda7))
ROM_END
#define rom_sys80p rom_sys80
ROM_START(lnw80)
ROM_REGION(0x3800, "maincpu",0)
@ -768,7 +778,8 @@ void trs80_state::init_trs80l2()
COMP( 1977, trs80, 0, 0, trs80, trs80, trs80_state, init_trs80, "Tandy Radio Shack", "TRS-80 Model I (Level I Basic)", 0 )
COMP( 1978, trs80l2, 0, 0, model1, trs80l2, trs80_state, init_trs80l2, "Tandy Radio Shack", "TRS-80 Model I (Level II Basic)", 0 )
COMP( 1983, radionic, trs80l2, 0, radionic, trs80l2, trs80_state, init_trs80, "Komtek", "Radionic", 0 )
COMP( 1980, sys80, trs80l2, 0, sys80, sys80, trs80_state, init_trs80l2, "EACA Computers Ltd", "System-80", 0 )
COMP( 1980, sys80, trs80l2, 0, sys80, sys80, trs80_state, init_trs80l2, "EACA Computers Ltd", "System-80 (60 Hz)", 0 )
COMP( 1980, sys80p, trs80l2, 0, sys80p, sys80, trs80_state, init_trs80l2, "EACA Computers Ltd", "System-80 (50 Hz)", 0 )
COMP( 1981, lnw80, trs80l2, 0, lnw80, sys80, trs80_state, init_trs80, "LNW Research", "LNW-80", 0 )
COMP( 1983, ht1080z, trs80l2, 0, ht1080z, sys80, trs80_state, init_trs80l2, "Hiradastechnika Szovetkezet", "HT-1080Z Series I", 0 )
COMP( 1984, ht1080z2, trs80l2, 0, ht1080z, sys80, trs80_state, init_trs80l2, "Hiradastechnika Szovetkezet", "HT-1080Z Series II", 0 )

1
src/mame/includes/trs80.h
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@ -56,6 +56,7 @@ public:
{ }
void sys80(machine_config &config);
void sys80p(machine_config &config);
void trs80(machine_config &config);
void lnw80(machine_config &config);
void radionic(machine_config &config);

1
src/mame/mame.lst
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@ -38059,6 +38059,7 @@ ht1080z2 // Hradstechnika Szvetkezet HT-1080Z Series II
lnw80 // LNW Research LNW-80
radionic // Radionic
sys80 // EACA System 80
sys80p // EACA System 80
trs80 // TRS-80 Model I - Level I BASIC
trs80l2 // TRS-80 Model I - Level II BASIC