Compaq Portable III CGA - mame (0284) machine

MAME: 0284 - Released: 2025-12-30T16:33:58 - Machines: 49538 - rom: 367487 - disk: 1392

machine

• XML • JSON • RUN

name	sourcefile	sampleof	isbios	isdevice	ismechanical	runnable	description	year	manufacturer	cloneof	romof
cga_cportiii	devices/bus/isa/cga.cpp		no	yes	no	no	Compaq Portable III CGA

snap

Compaq Portable III CGA png snap

Compaq Portable III CGA jpg snap thumbnail

Key	Length	LastWriteTime	Width	Height	HorizontalResolution	VerticalResolution	PaletteLength	PixelFormat	PropertyItems
cga_cportiii	56464	29/12/2025 11:31:18	640	480	71.9836	71.9836	0	Format24bppRgb	770:ICC Profile, 305:MAME 0.192 (Nov 29 2017)

display

tag	type	rotate	width	height	refresh	pixclock	htotal	hbend	hbstart	vtotal	vbend	vbstart	flipx
:screen	raster	0	640	400	33.982164	14318181	912	0	640	462	0	400	no

device_ref

tag	name
:_tmp:screen	screen
:_tmp:palette	palette
:_tmp:mc6845_cga	hd6845s

feature

type	status	overall
graphics	imperfect

configuration

CGA character set

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
CGA character set	:cga_config	3

setting

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Normal	0	yes
Alternative	1	no

CGA monitor type

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
CGA monitor type	:cga_config	28

setting

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Colour RGB	0	yes
Mono RGB	4	no
Colour composite	8	no
Television	12	no
LCD	16	no

CGA chipset

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
CGA chipset	:cga_config	224

setting

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
IBM	0	yes
Amstrad PC1512	32	no
Amstrad PPC512	64	no
ATI	96	no
Paradise	128	no