Thayer's Quest (set 1)
This is a fantasy title, and has unbelievable graphics (hand drawn animations pulled from a laserdisc). You guide young Thayer on a quest through the three kingdoms. You are supposed to defeat Sorsabal The Twisted at the end of the game. This game is far different from most laserdisc games. It is not a 'tweak' game, it works more like a 'Choose Your Own Adventure Story'. It doesn't always tell you all your available options, but you do not have to memorize complex, precisely timed movements like you do in "Dragon's Lair". Once you know what to do in a given Thayer's Quest scene then you will be able to do it every time. To make up for this ease of memorization the programmers decided to make the game automatically deduct a life every so often, to keep the player from being able to play forever on a single quarter (which was a big problem with "Dragon's Lair").
Thayer's Quest (set 1)
Technical
CPU
- maincpu Z80 (@ 4 Mhz)
- mcu COP421 (@ 2 Mhz)
Chipset
- Pioneer PR-7820
Display
- Orientation Yoko
- Resolution 255 x 255
- Frequency 59.940057 Hz
Controlers
- Number of players 1
- Number of buttons 0
Thayer's Quest (set 1) Screenshots
Clones of Thayer's Quest (set 1)
Tips on Thayer's Quest (set 1)
* Humor : When prompted to type in your name, do nothing. After intervals of one minute or so, the game speaks out saying things like 'Do not be shy, enter your name', 'Have you gone to the toilet?', 'Do not be a stranger now, enter your name', 'Look lively now' and a whole host of other funny comments.
Thayer's Quest (set 1) and M.A.M.E.
0.118u2 [Andrew Gardner]
Artwork available
TODO:
* Dump Laserdisc
WIP:
- 0.144u6: Replaced 'Laserdisc Analog' sound with 'Pioneer PR-7820'.
- 0.143u4: Changed VSync to 59.940057 Hz.
- 0.141u4: Changed description to 'Thayer's Quest (set 1)' and clone to 'Thayer's Quest (set 2)'.
- 0.129u4: Changed Custom sound to Laserdisc Analog.
- 0.127u3: Added Custom sound.
- 0.127: Aaron Giles added DISK_REGIONS to all laserdisc drivers. Changed visible area to 704x480 and VSync to 59.940052.
- 0.125u5: Thayer's Quest changes [Curt Coder]: Cleaned up driver. Added LED layout from Dragon's Lair. Mapped keyboard and dips correctly. Added laser disc drive selection. Fixed Z80-COP communications. Figured out ports from disassembly. Added cart presence detection logic. Fixed SSI-263 timings, service mode works now. Changed to use COP421 (2MHz). Added dipswitches 'Service Mode' and 'Unused'.
- 0.125u4: COP4xx updates [Curt Coder]: Added HALT opcode and halt mode to the COP410. Added Microbus support, clock divisor selection and CKO mode selection to the COP420. Changed Thayer's Quest keyboard interface to at least slightly resemble the schematics. Aaron Giles fixed fatal Error crash in Thayer's Quest.
- 0.120u3: Atari Ace added static qualifiers and renamed symbols in MAME in an effort to further tidy up the global namespace. Generally generic names were targeted and some symbols that were both static and extern. Some specifics: Dead code in thayers.c was discovered and commented out.
- 30th September 2007: Mr. Do - A few months ago, Jcroach finished up the vector job for a Dragon's Lair scoreboard. I wasn't in too big of a hurry to release it, as the games still aren't working yet; plus I didn't have a speaker cover for it yet. Well, I finally got the speaker cover, so here it is. The games still aren't working, but at least you'll have the artwork when it's ready. The scoreboard is used in Dragon's Lair, Thayer's Quest, and for cabinets that were converted to Space Ace. (Still looking for a dedicated Space Ace scoreboard, btw. Let me know if you find one. You can see one here). Also included in Thayer's Quest is a scan of the keyboard, so you know what you're doing. And thanks to Ad_Enuff for that nice little graphic to finish off the speakers.
- 0.118u3: Andrew Gardner added clone Thayer's Quest (Alternate Set). Andrew Gardner added counter emulation to the COP420 CPU core. Hooked it up to Thayer's Quest and added an alternate set.
- 0.118u2: Andrew Gardner added Thayer's Quest (RDI Video Systems 1983).
Other Emulators:
* DAPHNE
Romset: 41 kb / 3 files / 22.4 zip
Artwork available
TODO:
* Dump Laserdisc
WIP:
- 0.144u6: Replaced 'Laserdisc Analog' sound with 'Pioneer PR-7820'.
- 0.143u4: Changed VSync to 59.940057 Hz.
- 0.141u4: Changed description to 'Thayer's Quest (set 1)' and clone to 'Thayer's Quest (set 2)'.
- 0.129u4: Changed Custom sound to Laserdisc Analog.
- 0.127u3: Added Custom sound.
- 0.127: Aaron Giles added DISK_REGIONS to all laserdisc drivers. Changed visible area to 704x480 and VSync to 59.940052.
- 0.125u5: Thayer's Quest changes [Curt Coder]: Cleaned up driver. Added LED layout from Dragon's Lair. Mapped keyboard and dips correctly. Added laser disc drive selection. Fixed Z80-COP communications. Figured out ports from disassembly. Added cart presence detection logic. Fixed SSI-263 timings, service mode works now. Changed to use COP421 (2MHz). Added dipswitches 'Service Mode' and 'Unused'.
- 0.125u4: COP4xx updates [Curt Coder]: Added HALT opcode and halt mode to the COP410. Added Microbus support, clock divisor selection and CKO mode selection to the COP420. Changed Thayer's Quest keyboard interface to at least slightly resemble the schematics. Aaron Giles fixed fatal Error crash in Thayer's Quest.
- 0.120u3: Atari Ace added static qualifiers and renamed symbols in MAME in an effort to further tidy up the global namespace. Generally generic names were targeted and some symbols that were both static and extern. Some specifics: Dead code in thayers.c was discovered and commented out.
- 30th September 2007: Mr. Do - A few months ago, Jcroach finished up the vector job for a Dragon's Lair scoreboard. I wasn't in too big of a hurry to release it, as the games still aren't working yet; plus I didn't have a speaker cover for it yet. Well, I finally got the speaker cover, so here it is. The games still aren't working, but at least you'll have the artwork when it's ready. The scoreboard is used in Dragon's Lair, Thayer's Quest, and for cabinets that were converted to Space Ace. (Still looking for a dedicated Space Ace scoreboard, btw. Let me know if you find one. You can see one here). Also included in Thayer's Quest is a scan of the keyboard, so you know what you're doing. And thanks to Ad_Enuff for that nice little graphic to finish off the speakers.
- 0.118u3: Andrew Gardner added clone Thayer's Quest (Alternate Set). Andrew Gardner added counter emulation to the COP420 CPU core. Hooked it up to Thayer's Quest and added an alternate set.
- 0.118u2: Andrew Gardner added Thayer's Quest (RDI Video Systems 1983).
Other Emulators:
* DAPHNE
Romset: 41 kb / 3 files / 22.4 zip
