The Pit Boss (M4A1) - mame (0280) machine

MAME: 0280 - Released: 2025-08-29T22:26:57 - Machines: 48893 - rom: 364836 - disk: 1378

machine

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name	sourcefile	sampleof	isbios	isdevice	ismechanical	runnable	description	year	manufacturer	cloneof	romof
pitbossm4	merit/merit.cpp		no	no	no	yes	The Pit Boss (M4A1)	1983	Merit	pitboss	pitboss

display

tag	type	rotate	width	height	refresh	pixclock	htotal	hbend	hbstart	vtotal	vbend	vbstart	flipx
screen	raster	0	512	256	76.293945	10000000	512	0	512	256	0	256	no

driver

status	emulation	savestate	requiresartwork	unofficial	nosoundhardware	incomplete	cocktail
imperfect	good	supported	no	no	no	no	preliminary

rom

name	size	crc	sha1	region	offset	status	optional	merge	bios
m4a1_u5.u5	8192	f5284472	9170b90d06caa382be29feb2f6e80993bba1e07e	maincpu	0	good	no
m4a1_u6.u6	8192	dd8df5fe	dab8c1077058263729b2589dd9bf9989ad53be1c	maincpu	2000	good	no
m4a1_u7.u7	8192	5fa5d436	9f3fd81eae7f378268f3b4af8fd299ffb97d7fb6	maincpu	4000	good	no
chr2_u39.u39	8192	f9613e7b	1e8cafe142a235d65b43c7e46a79ed4f6272b61c	gfx1	0	good	no
chr2_u38.u38	8192	7af28902	04f685389958d581aaf2c86940d1b8b8cec05d7a	gfx1	2000	good	no
chr2_u37.u37	8192	ea6f0c59	f2c0ff99518c2cec3eb1b4042fa3754a702c0e34	gfx1	4000	good	no
chr2_u40.u40	8192	40c94dce	86611e3a1048b2a3fffcc0110811656a2d0fc4a5	gfx2	0	good	no

chip

type	tag	name	clock
cpu	maincpu	Zilog Z80	2500000
audio	mono	Speaker
audio	aysnd	AY-3-8912A PSG	1250000

device_ref

name
z80
i8255
i8255
screen
mc6845
speaker
ay8912

sound

channels
1

feature

type	status	overall
graphics	imperfect

input

players	coins	service	tilt
2	2	yes	no

control

type	player	buttons	ways	reverse	minimum	maximum	sensitivity	keydelta	ways2	ways3	reqbuttons
gambling	1	7		no
only_buttons	2	7		no

port, analog

port_tag	analog_masks
:DSW
:IN0
:IN1
:IN2

dipswitch

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSW	1

location

name	number	inverted
SW	1	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Off	1	yes
On	0	no

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSW	2

location

name	number	inverted
SW	2	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Off	2	yes
On	0	no

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSW	4

location

name	number	inverted
SW	3	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Off	4	yes
On	0	no

Max Double Up

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Max Double Up	DSW	8

location

name	number	inverted
SW	4	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Once	8	yes
Twice	0	no

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSW	16

location

name	number	inverted
SW	5	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Off	16	yes
On	0	no

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSW	32

location

name	number	inverted
SW	6	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Off	32	yes
On	0	no

Cabinet

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Cabinet	DSW	64

location

name	number	inverted
SW	7	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Counter Top	64	yes
Cocktail	0	no

Free Hands

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Free Hands	DSW	128

location

name	number	inverted
SW	8	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
100,000+ & 200,000+	128	yes
None	0	no

Hands Per Game

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Hands Per Game	IN1	192

location

name	number	inverted
Special	1	no
Special	2	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
3	128	no
4	192	yes
5	64	no
5	0	no