text adventure books

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Re: text adventure books

Postby cdutton184 » Tue Mar 20, 2012 3:38 pm

I've got the books first time around back in the late 80's.

I've just put Silver Mountain on Quest and added some graphics because in the original you need to find clues in the pictures to solve the game, which I have done. It's online now.

I was also thinking of adapting Island of Secrets but the walkthru to it is about a third of the size of Silver Mountain's walkthru so I'm not sure whether to bother. I did think maybe I should rewrite it to extend the gameplay but I think that might be too much?!
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Re: text adventure books

Postby nogden74 » Wed Mar 21, 2012 7:16 pm

i have started inputting it into a bbc emulator but still typing it in
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Re: text adventure books

Postby sgreig » Thu Mar 22, 2012 11:14 am

Yeah, I saw that you uploaded that game. Was it easy to adapt?
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Re: text adventure books

Postby cdutton184 » Fri Mar 23, 2012 2:41 pm

sgreig wrote:Yeah, I saw that you uploaded that game. Was it easy to adapt?


The map is a 10 x 8 grid and the directions are easy to work out. When I first got the book I had programmed it into my Acorn Electron and wrote a walkthru at the time. Most of the 'verb command' program lines are not in code and easy to identify the object location, flag, etc. in the listing.

Island of Secrets is a different matter. It's 'verb command' answers are in a string code e.g B$="500070" and made up of STR$ codes: first the command used , then the location of the object, the flag of the object and finally the room number. Time is the key to work them out.

The awkward thing was the location for all the objects were an ASCII code and you have to find a table to convert its ASCII code into its decimal value (you also have to deduct 32 from the decimal value as seen in the program listing) to get its location number. Everything else is pretty much straightforward.

In other words, all you need is a map, the list of commands used, locations, objects and chars, a walkthru you did nearly 30 years ago and patience to work it all out.
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Re: text adventure books

Postby sgreig » Sat Mar 24, 2012 3:36 pm

I'm still contemplating adapting the first book into a Quest game when I'm finished with my SpringThing entry. It seems like it would be a fun game to play with some modern day enhancements.
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Re: text adventure books

Postby mattroks101 » Tue Mar 27, 2012 6:54 pm

Interesting. I'm gonna have to give this a look at.
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Re: text adventure books

Postby R2T1 » Tue May 22, 2012 12:03 am

Hi. I also have copies of the Usborne books - The Mystery of Silver Mountain, The Island of Secrets, and a few others. Back in 2003, I translated Island of secrets to Inform 6 but never published it to the wider community due to worries about copyright, etc although I did acknowledge the original authors and publisher in the opening of the game.

I have started using this as my test case to build something in Quest 5.2 and have so far added a few of the rooms and descriptions. It is slow going as I am scouring the tutorial & forums for 'how to' stuff. I must say, I am finding Quest to be quite easy to use.

I have added a lot of embellishment to the descriptions based on what I saw in the book's drawings. I've also created a map in Excel (saved as PDF) I have attached the z5 file here if you would like to play the game to see how it works. (enjoy)

PS. As I am not creative when it comes to writing from scratch, I find enjoyment from translating code into other languages. I did this a lot back in the '80s when computer magazines were full of listings but not for my Exidy Sorcerer.

If you think I should load this to the IF archives, I'll include the other material with it including the source file.

PPS. I have downloaded Mystery of Silver Mountain here and will play it alongside the book to compare.
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Z-code file - Island of Secrets
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