jy_12: MAME ROM Information.
History:
Junk Yard (c) 1997 Williams Electronics Games, Inc.
- TECHNICAL -
Williams WPC-95
Model Number : 50052
Main CPU : M6809 (@ 2 MHz)
Sound CPU : ADSP2105 (@ 10 MHz)
Sound chip : DMA-driven DAC
- TRIVIA -
Released in January 1997. 3,013 units were produced.
Sometimes when the crane hits the car targets, DOHO comes up on the display.
Crazy Bob is the owner of the Junkyard.
- UPDATES -
Revision 1.0
Date : 01/06/97
This is the first production release. Major changes since prototype 0.3 :
- A cooling-off period is now enforced for the bus diverter coil.This was to help prevent the coil from overheating.
- PAYBACK TIME was removed from the time machine feature. The scoring was out of balance with the rest of the game.
- Crane error detection was implemented.
- Overall, the scores on the game were reduced by half.
- Several sound and display timing issues were cleaned up.
Revision 1.1
Date : 01/23/97
- Wire colors will now be correct in SWITCH TEST.
- German printers will now format correctly.
- The spinner no longer can score erroneously.
- Added French and Spanish translations.
- Fixed Fireworks display and lamp show during Radar Adventure.
Revision 1.2
Date : 07/03/97
- German pricing updated.
- Escape from DOG will score correctly.
- TIPS AND TRICKS -
When the Time Machine clock shows 3:33, hit both flippers 3 times to start the Secret mode.
Push START button during Saucer Attack Wave to clear the screen.
- STAFF -
Concept by : Barry Oursler, Dwight Sullivan, Adam Rhine
Design by : Barry Oursler, Dwight Sullivan
Art by : Paul Barker, Pat McMahon
Mechanics by : Zofia Bil, Brad Cornell
Music & Sounds by : Kurt Goebel
Software by : Dwight Sullivan, Graham West
- SOURCES -
Game's rom.
MAME Info:
0.141u1 [PinMAME]
WIP:
- 0.141u1: Added Junk Yard (1.2) (Williams 1996) and clones Junk Yard (0.3), Junk Yard (1.1).
Romset: 4096 kb / 5 files / 3.65 zip
MAME XML Output:
| | <game name="jy_12" sourcefile="wpc_95.c" ismechanical="yes"> |
| | | <description>Junk Yard (1.2)</description> |
| | | <manufacturer>Williams</manufacturer> |
| | | <rom name="jy_g11.1_2" size="524288" crc="16fb4bb3" sha1="fbd8b37c129f7e07e8c44b7a33754ee346473377" region="user2" offset="0"/> |
| | | <rom name="jy_s2.rom" size="524288" crc="1a1bc2ca" sha1="db949d49560a26fc280cd9e746aa99dfafbd6daa" region="sound1" offset="0"/> |
| | | <rom name="jy_s3.rom" size="1048576" crc="0fc36a8e" sha1="335013ebe08d34a24b0b472c6d5f042e455facee" region="sound1" offset="100000"/> |
| | | <rom name="jy_s4.rom" size="1048576" crc="0aebcd77" sha1="62aee2685c0ae4bc1df8e4a4515ca34a078c72ad" region="sound1" offset="200000"/> |
| | | <rom name="jy_s5.rom" size="1048576" crc="f18ad10b" sha1="1d02a388b43d3863030e01bf567f30337d37b2e8" region="sound1" offset="300000"/> |
| | | <chip type="cpu" tag="maincpu" name="M6809" clock="2000000"/> |
| | | <driver status="preliminary" emulation="preliminary" color="good" sound="preliminary" graphic="good" savestate="unsupported" palettesize="0"/> |
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