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can someone/Kale:D hook up 4990 device here? dos 6.2 works fine in my local build but the implementation isnt great(was just for testing).

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It sets c0/1/2 high to enable serial mode.
This commit is contained in:
Michaël Banaan Ananas 2014-03-17 00:48:06 +00:00
parent bf2db1521e
commit e095a120fb
1 changed files with 1 additions and 1 deletions
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src/mess/drivers/pc9801.c
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@ -3420,7 +3420,7 @@ MACHINE_START_MEMBER(pc9801_state,pc9801_common)
m_maincpu->set_irq_acknowledge_callback(device_irq_acknowledge_delegate(FUNC(pc9801_state::irq_callback),this));
m_rtc->cs_w(1);
m_rtc->oe_w(0); // TODO: unknown connection, MS-DOS 6.2x wants this low somehow with the test mode
m_rtc->oe_w(1);
m_ipl_rom = memregion("ipl")->base();
m_sound_bios = memregion("sound_bios")->base();