mame (0289) • machine grid1101 • Compass 1101

machine

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name	sourcefile	sampleof	isbios	isdevice	ismechanical	runnable	description	year	manufacturer	cloneof	romof
grid1101	gridcomp/gridcomp.cpp		no	no	no	yes	Compass 1101	1982	GRiD Computers

snap

Compass 1101 png snap

Compass 1101 jpg snap thumbnail

Key	Length	LastWriteTime	Width	Height	HorizontalResolution	VerticalResolution	PaletteLength	PixelFormat	PropertyItems	PixelSHA1
grid1101	414	29/12/2025 11:31:23	320	240	72.009	72.009	0	Format24bppRgb	305:MAME 0.187 (Jun 28 2017)	133684494c5aa38f74b8ef18eace79eb512f370e

display

tag	type	rotate	width	height	refresh	pixclock	htotal	hbend	hbstart	vtotal	vbend	vbstart	flipx
screen	lcd	0	320	240	67.514043	7500000	424	0	320	262	0	240	no

driver

status	emulation	savestate	requiresartwork	unofficial	nosoundhardware	incomplete	cocktail
imperfect	good	unsupported	no	no	no	no

rom

name	size	crc	sha1	region	offset	status	optional	merge	bios
1101even.rev3.bin	8192	bd7a385a	924d5a04e5a5f57cd86849a47de50cb00d0fef40	user1	0	good	no		1101.rev3
1101even.rev4.bin	8192	051b11e5	73fb510c114f7fcbe1e616bb20cd97cb2c062e62	user1	0	good	no		1101.rev4
1101odd.rev3.bin	8192	751c893e	28212f6180de0c8dabcea95f0580eaf9b1db48a3	user1	1	good	no		1101.rev3
1101odd.rev4.bin	8192	898d7ce2	3e2c0deff5234b0b69cc407cf9858648a3e687b9	user1	1	good	no		1101.rev4

chip

type	tag	name	clock
cpu	maincpu	Intel 8086	5000000
audio	speaker	Speaker
audio	dac0832	DAC0832 DAC

device_ref

tag	name
:maincpu	i8086
:i8087	i8087
:osp	i80130
:osp:pic	pic8259
:osp:pit	pit8254
:osp:pit:counter0	pit_counter
:osp:pit:counter1	pit_counter
:osp:pit:counter2	pit_counter
:rtc	mm58174
:speaker	speaker
:dac0832	dac0832
:screen	screen
:palette	palette
:keyboard	grid_keyboard
:i7220	i7220
:hpib	tms9914
:ieee_bus	ieee488
:ieee_grid	ieee488_slot
:ieee_grid2	ieee488_slot
:ieee_grid3	ieee488_slot
:ieee_grid4	ieee488_slot
:ieee_rem	ieee488_slot
:uart8274	i8274
:uart8274:cha	i8274_channel
:uart8274:chb	i8274_channel
:rs232_port	rs232
:modem	i8255
:ram	ram
:test_rom	gridrom_socket

biosset

name	description	default
1101.rev4	CCPROM 1101 revision 4	no
1101.rev3	CCPROM 1101 revision 3	no

sound

channels
1

feature

type	status	overall
sound	imperfect
controls	imperfect
wan	unemulated

ramoption

name	default
256K	yes

device, instance

type	tag	interface	fixed_image	mandatory	name	briefname
bubble	i7220			1	bubble	mbm
test-rom	test_rom	test_rom			test-rom	test-rom

device, extension

type	tag	interface	fixed_image	mandatory	extension_names
bubble	i7220			1	bubble
test-rom	test_rom	test_rom			bin

input

players	coins	service	tilt
1		no	no

control

type	player	buttons	ways	reverse	minimum	maximum	sensitivity	keydelta	ways2	ways3
keyboard		62		no

port, analog

port_tag	analog_masks
:keyboard:GRIDKBD_CFG
:keyboard:GRIDKBD_MOD
:keyboard:GRIDKBD_ROW0
:keyboard:GRIDKBD_ROW1
:keyboard:GRIDKBD_ROW2
:keyboard:GRIDKBD_ROW3

slot, slotoption

slot_name	slotoption_name	slotoption_devname	slotoption_default
ieee_grid	grid2101_hdd	grid2101_hdd	no
ieee_grid	grid2101_floppy	grid2101_floppy	no
ieee_grid	grid2102	grid2102	no
ieee_grid2	grid2101_hdd	grid2101_hdd	no
ieee_grid2	grid2101_floppy	grid2101_floppy	no
ieee_grid2	grid2102	grid2102	no
ieee_grid3	grid2101_hdd	grid2101_hdd	no
ieee_grid3	grid2101_floppy	grid2101_floppy	no
ieee_grid3	grid2102	grid2102	no
ieee_grid4	grid2101_hdd	grid2101_hdd	no
ieee_grid4	grid2101_floppy	grid2101_floppy	no
ieee_grid4	grid2102	grid2102	no
ieee_rem	remote488	gpib_remote488	no
rs232_port	printer	serial_printer	no
rs232_port	logitech_mouse	rs232_mouse_hle_logitech	no
rs232_port	microsoft_mouse	rs232_mouse_hle_msft	no
test_rom

configuration

Typematic Delay

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Typematic Delay	keyboard:GRIDKBD_CFG	6

setting

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
0.25s	0	no
0.5s	2	no
0.75s	4	yes
1.0s	6	no

Typematic Rate

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Typematic Rate	keyboard:GRIDKBD_CFG	248

setting

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
2.0cps	0	no
2.1cps	8	no
2.5cps	16	no
2.7cps	24	no
2.0cps	32	no
2.1cps	40	no
2.5cps	48	no
2.7cps	56	no
3.3cps	64	no
3.8cps	72	no
4.0cps	80	no
4.3cps	88	no
4.6cps	96	no
5.0cps	104	no
5.5cps	112	no
6.0cps	120	no
8.0cps	128	no
8.6cps	136	no
9.2cps	144	no
10.0cps	152	yes
10.9cps	160	no
12.0cps	168	no
13.3cps	176	no
15.0cps	184	no
16.0cps	192	no
17.1cps	200	no
18.5cps	208	no
20.0cps	216	no
21.8cps	224	no
24.0cps	232	no
26.7cps	240	no
30.0cps	248	no

clones

name	description
grid1109	Compass 1109