Defence Command (bootleg of Defender)

Game Information

manufacturer	bootleg (Outer Limits)
year	1981
clone of	defender
other clones	attackf defcmnd defence defenderb defenderg defenderj defenderom defenderw defenseb defndjeu galwars2 startrkd tornado1 tornado2 zero zero2
genre	Shoot-'Em-Up
downloads	0

Screenshots

Download Details

split set	defence.zip 20.64k
parent set	defender.zip 22.87k ↗
standalone set	defence.7z 18.13k

Game Details

Arcade Video game published 44 years ago:

Defence Command (c) 1981 Outer Limits.

This game is a bootleg of "Defender".

- TECHNICAL -

Main CPU : Motorola M6809 (@ 1 Mhz)
Sound CPU : M6808 (@ 894.75 Khz)
Sound Chips : DAC

Screen orientation : Horizontal
Video resolution : 294 x 239 pixels
Screen refresh : 60.00 Hz
Palette colors : 16

Players : 2
Control : 2-way joystick (vertical)
Buttons : 5

- CONTRIBUTE -

Edit this entry: https://www.arcade-history.com/?&page=detail&id=612&o=2

Driver Details

source	midway/williams.cpp
status	good
emulation	good
savestate	supported

Screen Details

display	screen
type	raster
orientation	horizontal
width	292px
height	240px
refresh	60.1mhz

Input Details

player	1
type	joy
buttons	5
directions	vertical2

Chipset Details

name	Motorola MC6809E
clock	0.95mhz

name	Motorola MC6808
clock	3.41mhz

name	Speaker
clock	N/A

name	MC1408 DAC
clock	N/A

ROM Details

name	size	crc
1	4.00k	ebc93622
2	4.00k	2a4f4f44
3	4.00k	a4112f91
0	2.00k	7a1e5998
7	2.00k	4c2616a3
9	2.00k	7b146003
6	2.00k	6d748030
8	2.00k	52d5438b
5	2.00k	4a270340
4	2.00k	e13f457c
defcmnda.snd	2.00k	f122d9c9