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dvk_ksm: drop dvk_ksm01 variant and merge ROM sets; minor cleanup

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This commit is contained in:
Sergey Svishchev 2016-07-18 02:05:40 +03:00
parent 50de078836
commit 77e2e34f57
2 changed files with 10 additions and 26 deletions
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35
src/mame/drivers/dvk_ksm.cpp
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@ -11,7 +11,13 @@
Hardware revisions (XXX verify everything):
- 7.102.076 -- has DIP switches, SRAM at 0x2000, model name "KSM"
- 7.102.228 -- no DIP switches, SRAM at 0x2100, model name "KSM-01"
- 7.102.228 -- no DIP switches, ?? SRAM at 0x2100, model name "KSM-01"
Two sets of dumps exist:
- one puts SRAM at 0x2000, which is where technical manual puts it,
but chargen has 1 missing pixel in 'G' character.
- another puts SRAM at 0x2100, but has no missing pixel.
Merge them for now into one (SRAM at 0x2000 and no missing pixel).
Emulates a VT52 without copier (ESC Z response is ESC / M), with
Hold Screen mode and Graphics character set (but it is unique and
@ -49,7 +55,7 @@ ksm|DVK KSM,
To do:
- verify if pixel stretching is done by hw
- verify details of hw revisions (memory map, DIP presence...)
- baud rate selection (missing feature in bitbanger)
- baud rate selection
****************************************************************************/
@ -222,8 +228,7 @@ WRITE8_MEMBER(ksm_state::ksm_ppi_portc_w)
WRITE_LINE_MEMBER(ksm_state::write_keyboard_clock)
{
// KSM never sends data to keyboard
// m_i8251kbd->write_txc(state);
m_i8251kbd->write_txc(state);
m_i8251kbd->write_rxc(state);
}
@ -335,8 +340,7 @@ static MACHINE_CONFIG_START( ksm, ksm_state )
MCFG_CPU_IO_MAP(ksm_io)
MCFG_CPU_IRQ_ACKNOWLEDGE_DEVICE("pic8259", pic8259_device, inta_cb)
MCFG_TIMER_DRIVER_ADD_PERIODIC("scantimer", ksm_state, scanline_callback, attotime::from_hz(50*28*11))
MCFG_TIMER_START_DELAY(attotime::from_hz(XTAL_15_4MHz/KSM_HORZ_START))
MCFG_TIMER_DRIVER_ADD_SCANLINE("scantimer", ksm_state, scanline_callback, "screen", 0, 1)
MCFG_SCREEN_ADD_MONOCHROME("screen", RASTER, rgb_t::green)
MCFG_SCREEN_UPDATE_DRIVER(ksm_state, screen_update)
@ -383,29 +387,11 @@ static MACHINE_CONFIG_START( ksm, ksm_state )
MCFG_CLOCK_SIGNAL_HANDLER(WRITELINE(ksm_state, write_keyboard_clock))
MACHINE_CONFIG_END
/*
Assumes that SRAM is at 0x2000, which is where technical manual puts it.
Chargen has 1 missing pixel in 'G' character.
*/
ROM_START( dvk_ksm )
ROM_REGION(0x1000, "maincpu", ROMREGION_ERASE00)
ROM_LOAD( "ksm_04_rom0_d32.bin", 0x0000, 0x0800, CRC(6ad62715) SHA1(20f8f95119bc7fc6e0f16c67864e339a86edb44d))
ROM_LOAD( "ksm_05_rom1_d33.bin", 0x0800, 0x0800, CRC(5b29bcd2) SHA1(1f4f82c2f88f1e8615ec02076559dc606497e654))
ROM_REGION(0x0800, "chargen", ROMREGION_ERASE00)
ROM_LOAD("ksm_03_cg_d31.bin", 0x0000, 0x0800, CRC(98853aa7) SHA1(09b8e1b5b10a00c0b0ae7e36ad1328113d31230a))
ROM_END
/*
Assumes that SRAM is at 0x2100, otherwise identical.
Chargen has no missing pixels in 'G' character.
*/
ROM_START( dvk_ksm01 )
ROM_REGION(0x1000, "maincpu", ROMREGION_ERASE00)
ROM_LOAD( "ksm_04_rom0_d32.bin", 0x0000, 0x0800, CRC(5276dc9a) SHA1(dd41dfb4cb3f1cf22d96d95f1ff6a27fe4eb9a38))
ROM_LOAD( "ksm_05_rom1_d33.bin", 0x0800, 0x0800, CRC(5b29bcd2) SHA1(1f4f82c2f88f1e8615ec02076559dc606497e654))
ROM_REGION(0x0800, "chargen", ROMREGION_ERASE00)
ROM_LOAD("ksm_03_cg_d31.bin", 0x0000, 0x0800, CRC(6a8477e2) SHA1(c7871a96f135db05c3c8d718fbdf1728e22e72b7))
ROM_END
@ -414,4 +400,3 @@ ROM_END
/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */
COMP( 1986, dvk_ksm, 0, 0, ksm, ksm, driver_device, 0, "USSR", "DVK KSM", 0)
COMP( 198?, dvk_ksm01,dvk_ksm,0, ksm, ksm, driver_device, 0, "USSR", "DVK KSM-01", 0)

1
src/mame/mame.lst
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@ -11178,7 +11178,6 @@ dvk_kcgd //
@source:dvk_ksm.cpp
dvk_ksm //
dvk_ksm01 //
@source:dwarfd.cpp
dwarfd // (c) 198? Electro-Sports