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Arcade
Arcade
Platform:

Screw Loose (prototype)

| 1983
Genre:
Style:
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Description:

Notes:
Release type:
Units produced: Mylstar
Controls/Input Device: Control(doublejoy8way), Buttons(2)
Number of Players: 1
Rating:
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SoundMix: Mono
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MAME folder name: screwloo

Display: raster 256x240 @ 61.42Hz (61.42 pixclock)
Sound: 1 channels

Emulated in MAME via driver gottlieb.c:
Status: good; Emulation: good
Graphic: good; Sound: good; Color: good
Palette size: 16; Savestate: unsupported

Roms:
bg0 with 4096kb
sha1:4e2127a4458d54f094934c6f5f154a6db5d0c8b0 crc:1fd5b649
bg1 with 4096kb
sha1:58137a5043157d08af4d628cf5384d7f530393f7 crc:c8ddb8ba
drom1 with 8192kb
sha1:84a690cba8990fe6406b7cfbd6ea643a48446567 crc:ae965ade
fg0 with 8192kb
sha1:9a418a372da18cf33bcfba07202cf2ac7a1dcd1d crc:f23269fb
fg1 with 8192kb
sha1:46c6700b2943c35c9ac45791652eafbb4a4e059a crc:698c395f
fg2 with 8192kb
sha1:32252d424f31aa899d6c614f1d1006c2ef49df84 crc:f76e56ca
fg3 with 8192kb
sha1:e06ecb73148f16b33132767f8f0dffc37eeba5f1 crc:97d4e63b
rom0 with 8192kb
sha1:6391c841cafd35dd315d9fac99ed5d8304018747 crc:6447fe54
rom1 with 8192kb
sha1:75077f4fab296b3802271fa77af588003570cde6 crc:571b65ca
rom2 with 8192kb
sha1:6807c6e08edeb93aa7b4969eb78de3cf88a00b72 crc:97932b05
rom3 with 8192kb
sha1:50ac0e600935b8b1f8b68c40ad21a179b176e535 crc:ffde5b5d
rom4 with 8192kb
sha1:d6e8e016d9af984fae9b6667bedeea069637bd3a crc:744a2513
yrom1 with 8192kb
sha1:4f215ca2f15956374c4cd9484b6798f1c4d60fc7 crc:3719b0b5
Mameinfo.dat entry:
0.37b10 [Yochizo]


WIP:

- 0.147u2: hap fixed clone Omega Fighter Special. The game fails to boot or finish post. After showing bad rom errors, the game resets.

- 0.147u1: Fixed maincpu rom loading.

- 0.122u7: Fixed gfx1/2/3/4/5 rom loading.

- 0.89u3: Changed Z80 CPU2 clock speed to 5MHz.

- 0.37b10: Yochizo added 'Omega Fighter' (UPL 1989) and clone Omega Fighter Special.

- 21st November 2000: Yochizo fixed some graphics bugs in the Omega Fighter / Atomic Robo-kid driver.

- 8th November 2000: Yochizo sent in a driver for Omega Fighter and Atomic Robo-kid.

- 25th April 1999: Dumped Omega Fighter Special.


LEVELS: 8 (restarts once)


Other Emulators:

* FB Alpha

* JFF

* Raine


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Romset: 2016 kb / 8 files / 457.8 zip


Credits Mameinfo and Mametesters Project Robert J. Rabgno et al.
History.dat entry:
Screw Loose (c) 1983 Mylstar Electronics.

The player controls a blue robot character named "Robop" around a 3-D perspective playfield grid, while shooting enemies and gathering items for points and beware the Inchworm it will steal your robotics hands!

Your character, Robop, must navigate his way around a playfied shooting records, snipes and bees to earn points. Gathering hamburgers, nuts, briefcases and atoms will light up the bulbs. The levels advance when all the bulbs have been lit. Robop must avoid the inchworm and pick up his hands if they become detached from his body. The game ends if all Robop hands are pushed off the screen by the inchworm or he is destroyed by the Cherry Bomb.

The left joystick moves Robop, while the right joystick fires. The joystick buttons activate Robop's Super!Charge that both speeds him up and shields him from attack.

- TECHNICAL -

Game ID : GV-123

Main CPU : I8086 (@ 5 Mhz)
Sound CPU : (2x) M6502 (@ 1 Mhz)
Sound Chips : (2x) DAC (@ 1 Mhz), (2x) AY8910 (@ 2 Mhz), SP0250 (@ 3.12 Mhz)

Screen orientation : Horizontal
Video resolution : 256 x 240 pixels
Screen refresh : 61.00 Hz
Palette colors : 16

Players : 1
Control : Sticks
Buttons : Start1, Start2

- TRIVIA -

Screw Loose is an unreleased prototype and was Tim Skelly's last game for Mylstar. Only 3 units were produced.

- STAFF -

Designed and programmed by : Tim Skelly
Sound by : Craig Beierwaltes

- CONTRIBUTE -

Edit this entry: http://www.arcade-history.com/?&page=detail&id=2331&o=2


Licensed from Alexis Bousiges under a CC Attribution 3.0 License
cheat.dat entry:
00000000 0119 00000063 FFFFFFFF Infinite Credits
00000000 0193 0000000A FFFFFFFF Infinite Lives

Credit Pugsy's MAME Cheat file
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