Zero (bootleg of Defender, set 1)

Game Information

manufacturer	bootleg (Jeutel)
year	1980
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	zero.zip 18.34k
parent set	defender.zip 22.87k ↗
standalone set	zero.7z 18.10k

Game Details

Arcade Video game published 45 years ago:

Zero (c) 1980 Jeutel.

French bootleg of Midway's "Defender".

- TECHNICAL -

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

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=3570&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
zero-15	4.00k	706a24bd
zero-16	4.00k	a79213b2
zero-17	4.00k	25287eca
zero-21	4.00k	7ca35cfd
zero-20	4.00k	0757967f
zero-19	4.00k	f2bef850
zero-18	4.00k	e99d5679
video_sound_rom_1.ic12	2.00k	fefd5b48