Re: A82: Porting (85)


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Re: A82: Porting (85)




Wouldn't a direct input routine make Solytare a heck of a lot faster?
				-Ahmed
Ahmed El-Helw
http://asm86.home.ml.org
asm86@juno.com [Temporarily]
ICQ UIN : 3350394 [When I re-get my net connection]
Ahmed_ on IRC #ti [When I re-get my net connection]


On Sat, 24 Jan 1998 18:31:03 +0100 (MET) Dines Christy Justesen
<c958362@student.dtu.dk> writes:
>
>The biggest problem when porting games from the TI85 to the TI82 is 
>the
>different screen size. I do not think that there are any solutions 
>which
>would workin all cases, you have to look at the game and find out what 
>the
>best way is for the perticular game. For some games it might not be a
>problem if you just cut of some of the screen (like Columns), which 
>makes
>the translation rather easy. Another possible solution is to use 6 bit
>wide sprites instead of 8 bit, this will however means that all 
>sprites
>have to be rediesigned. Another problem with this is that it will make 
>it
>harder to use GRAPH_MEM for graphics (since it will be too small), 
>however
>this solution might be the best in some cases.
>you turbo the calc. Since the processor is faster, the dleays will be
>shorter, and you will get problems with the controller. So if you 
>turbo
>your calc you might not be able to use asm programs (because they use 
>fast
>graphics). (The person who tried this told me that the asm games does 
>not
>work, b[not really a problem]. But the main
>>difference, as you probably know, is that the TI-85 has a memory 
>mapped
>>display. So it's very fast, contrary to the TI-82, which has a port. 
>We
>>have for example Solytare which Michael Pearce, for having a fast 
>enough
>>cursor on the screen, had to move it 2 pixels a time. As you have
>>noticed, it isn't excellent, although I think this game is excellent 
>in
>>general. So in translating 85 to 82 programs, we'd have to increase 
>the
>>speed somewhere. Not that easy. Another idea should be to build a 
>turbo,
>>but is every owner of a TI-82 able to do that ? Not sure. Has someone
>>another solution ?
>>
>>~Nicolas.
>>
>
>_______________________________________
>
>Dines Justesen
>Email: dines@post1.com or
>       c958362@student.dtu.dk
>WWW  : http://www.gbar.dtu.dk/~c958362/
>_______________________________________
>
>


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