Trog (rev LA5 03/29/91)

Arcade 1990 Midway Maze
1 to 4 players take on the role of a cute dinosaur, selected from the four on offer : Rex (red), Bloop (blue), Spike (yellow) and Gwen (lavender). The game takes place in a prehistoric land called 'Og' and is made up of forty-nine different islands; the dinos must collect all of the dinosaur eggs that lay on the islands, while avoiding the unwanted attention of a tribe of one-eyed cavemen, called 'Trogs'. The dinos can punch the attacking Trogs; one punch will only stun a Trog but several punches will knock the enemy off the screen. There are 4 different Trogs who pursue the dinos :
* Brown Trogs who use only their fists.
* Red Trogs who use clubs and create fires or holes in the ground.
* Blue Trogs who pop up out of the ground and roll stone wheels.
* Green Trogs who bounce around trying to crush you with their springs.
On each island, after the dinos have gathered up all of their eggs, they must make their way to the base labeled 'Home'; from here they will move on to the next island.

Between each stage, there is an intermission where the players' Dinos will dance, with an on-screen caption proudly declaring 'Excellent!', 'Congratulations!', 'Nice Work!', 'Good Job!' or 'Dino-Mite!'. On occasion, an intermission screen appears that shows a Trog planning another attempt to eat a Dino.
Trog (rev LA5 03/29/91)

Partager Trog (rev LA5 03/29/91)


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  • maincpu TMS34010 (@ 40 Mhz)
  • cvsd:cpu M6809E (@ 8 Mhz)
  • Williams CVSD Sound Board
  • YM2151 (@ 3 Mhz)
  • DAC
  • HC-55516
  • Orientation Yoko
  • Resolution 255 x 253
  • Frequency 54.81517 Hz
  • Number of players 4
  • Number of buttons 1
  • Kind of controler joy (8 ways)

Trog (rev LA5 03/29/91) Screenshots

Trog (rev LA5 03/29/91) - Screen 1
Trog (rev LA5 03/29/91) - Screen 2
Trog (rev LA5 03/29/91) - Screen 3
Trog (rev LA5 03/29/91) - Screen 4
Trog (rev LA5 03/29/91) - Screen 5

Clones of Trog (rev LA5 03/29/91)

Tips on Trog (rev LA5 03/29/91)

While playing the game, try not to fall off the island. You must avoid or fight off any stone wheels that roll toward you and also avoid any tar pits that will occasionally appear. The Trogs are clumsy and dumb and will sometimes fall off the island, sink into the tar pits or blunder into their own traps. However, an island may have holes with warp grids that will advance your Dino two or three islands ahead if your Dino falls into it. These form when you take the shiny egg (in the lower-right corner, there will be one egg that will shine) last. In addition, all players will receive a cool 300,000 point bonus.

On some islands, there will be doors that will lead from one area to another and some will have springboards that will transport your Dino from one side of the island to another. The springboards will hurl the green Trogs to their deaths.

On each island, there are a number of special power-items to collect :
* 'Red roots' that give your Dino extra speed
* 'Yellow horseshoes' that will temporarily form a protective forcefield around your Dino
* 'Fiery chilli peppers' that make your Dino to spit fireballs to burn the Trogs
* 'Ice jewels' that will momentarily freeze all the Trogs on the island
* 'Pineapples' that will temporarily turn your Dino into an unstoppable, Trog-eating tyrannosaurus rex.

Avoid the grey mushrooms as they will slow your Dino down.

Some islands have timed bonus stages that will give you a chance to earn bonus points. These stages include :
* Trog Feasts where your Dino will be a tyrannosaurus rex and will attempt to eat as many Trogs as possible before time runs out
* Trog Barbecues where your Dino will spit fireballs and try to burn as many Trogs as possible before time runs out
* Diamond Mines where your Dino will attempt to capture as many gems as possible (including diamonds, rubies and emeralds) before time runs out.

When stage is starting, take a look carefully at eggs, 1 egg will shine (little star) for 1 or 2 seconds. Get this egg as last egg on stage -> a teleport will open. You can enter to teleport instead normal exit, you will skip some stages.

Trog (rev LA5 03/29/91) and M.A.M.E.

0.120u3 [icronnya77]
0.34b7 [Alex Pasadyn, Zsolt Vasvari, Kurt Mahan]

- 0.145u7: Added 'Williams CVSD Sound Board' sound.
- 0.138u4: Changed description of clone 'Trog (rev PA6-PAC 09/09/90)' to 'Trog (prototype, rev PA6-PAC 09/09/90)'. Renamed (trogp) to (trogpa4).
- 0.122u6: Changed TMS34010 CPU1 clock speed to 40MHz and M6809E CPU2 to 8MHz.
- 0.122u4: Replaced M6809 CPU2 with M6809E. Changed YM2151 clock speed to 3579545 Hz.
- 0.120u3: icronnya77 added Trog (rev LA5 03/29/91). Changed parent description to 'Trog (rev LA5 03/29/91)'. Renamed (trog) to (trog4).
- 0.114u1: Changed TMS34010 CPU clock speed to 5MHz, visible area to 399x253 and VSync to 27.407585 Hz.
- 0.101u1: Removed 2nd sound channel.
- 0.63: Added clone Trog (rev PA6-PAC 09/09/90). Changed visible area to 396x256.
- 26th December 2002: David Haywood added another revision of Trog to the Williams/Midway Y/Z-unit driver.
- 24th December 2002: Guru - Trogg II (Williams/Midway 1990) arrived from Taucher.
- 0.37b5: Changed visible area to 400x255 palettesize from 65536 to 256 colors.
- 22nd February 2000: Aaron Giles fixed a memory bug affecting Trog.
- 0.36b16: Added Custom sound and changed VSync to 53.204948 Hz.
- 28th January 2000: Zsolt Vasvari fixed speeds in some TMS34010 games and highscores now display in Trog.
- 0.36b7: Rewritten the HC55516 CVSD decoder [Aaron Giles]. This affects Sinistar, Joust 2, Arch Rivals, Pigskin, Tri-Sports, Smash TV, Trog and Narc.
- 0.35b2: Replaced the 3x DAC sound with HC55516 and 1x DAC.
- 0.34b8: Zsolt Vasvari added Trog (rev LA3 02/14/91). Changed parent description to 'Trog (rev LA4 03/11/91)' and clone '(original prototype)' to '(prototype, rev 4.00 07/27/90)'.
- 0.34b7: Alex Pasadyn, Zsolt Vasvari and Kurt Mahan added Trog (Midway 1990) and clone Trog (original prototype).
- 10th September 1998: Dumped Trog (rev LA4 03/11/91).


Romset: 1728 kb / 15 files / 835.7 zip
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