PC/AT Keyboard Controller - mame (0278) machine

MAME: 0278 - Released: 2025-06-29T00:16:39 - Machines: 48574 - rom: 362783 - disk: 1374

machine

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name	sourcefile	sampleof	isbios	isdevice	ismechanical	runnable	description	year	manufacturer	cloneof	romof
at_keybc	devices/machine/at_keybc.cpp		no	yes	no	no	PC/AT Keyboard Controller

rom

name	size	crc	sha1	region	offset	status	optional	merge	bios
1503033.bin	2048	5a81c0d2	0100f8789fb4de74706ae7f9473a12ec2b9bd729	mcu	0	good	no		ibm
yan25d05.bin	2048	70c798f1	ae9a79c7184a17331b70a50035ff63c757df094c	mcu	0	good	no		ptl
keyboard_1.5.bin	2048	f86ba0f7	1ad475451db35a76d929824c035d582279fbe3a3	mcu	0	good	no		award15

chip

type	tag	name	clock
cpu	:mcu	Intel 8042AH	0

device_ref

name
i8042ah

biosset

name	description	default
ibm	IBM 1983	no
ptl	PTL 1986	no
award15	Award 1985 V1.5	no

configuration

CRT Adapter Switch

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
CRT Adapter Switch	:P1	64

setting

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Monochrome Display Adapter	64	no
Color Graphics Adapter	0	yes

Key Lock

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Key Lock	:P1	128

setting

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Off	128	yes
On	0	no