Hacking a FX7000GA for memory
Started by
Kaugex
, Sep 12 2003 03:48 PM
9 replies to this topic
#1
Posted 12 September 2003 - 03:48 PM
Hi!
First of all I am a proud posessor of a new Casio FX7000GA. It was the only graphic calculator in stock here in Romania, and an order for a newer model ment an aditional 80$ shipping fee witch I can't afford... It isn't heaven here u know
She is a very good and faithful (?!) calc, btw I named her Mikae Casio (japanese name ). It doesn't matter that she ain't got any matrix/determinant operations because for all this I can write programs (I am a skilled C/C++ programmer and 3d designer). But she has got only ONE problem: the lack of memory (422 Bytes). If she had 1k, it would be heaven, beleive me! Also I do not need all the memories, A-L would be sufficient, that way getting an additional 112Bytes which could mean the difference between life and death. Well, not life and death but a good expansion to my determinant-solver program So I heard that it is possible to hack the pretty lady and use the inverse of the Defm => more steps, less memory. But I searched the whole wide web and found nothing about it
So I am asking here, because this is the biggest Casio community of what I saw: Is there a method for expanding the program-memory in sacrifice of the variable memories on the Cas FX7000GA?
Waiting your answer,
Gus
First of all I am a proud posessor of a new Casio FX7000GA. It was the only graphic calculator in stock here in Romania, and an order for a newer model ment an aditional 80$ shipping fee witch I can't afford... It isn't heaven here u know
She is a very good and faithful (?!) calc, btw I named her Mikae Casio (japanese name ). It doesn't matter that she ain't got any matrix/determinant operations because for all this I can write programs (I am a skilled C/C++ programmer and 3d designer). But she has got only ONE problem: the lack of memory (422 Bytes). If she had 1k, it would be heaven, beleive me! Also I do not need all the memories, A-L would be sufficient, that way getting an additional 112Bytes which could mean the difference between life and death. Well, not life and death but a good expansion to my determinant-solver program So I heard that it is possible to hack the pretty lady and use the inverse of the Defm => more steps, less memory. But I searched the whole wide web and found nothing about it
So I am asking here, because this is the biggest Casio community of what I saw: Is there a method for expanding the program-memory in sacrifice of the variable memories on the Cas FX7000GA?
Waiting your answer,
Gus
#2
Posted 12 September 2003 - 03:53 PM
the ultimate site on hacking casio calculators: http://prg.rkk.cz/~mpoupe/
the guy who made this (Martin) stops buy here now and then, he and a few others will be able to personally help you, from what I know it wont be easy...
the guy who made this (Martin) stops buy here now and then, he and a few others will be able to personally help you, from what I know it wont be easy...
#3
Posted 12 September 2003 - 04:12 PM
the easiest way might be to get a different ram chip. these sites...
http://www.geocities...ations/cfx.html
to get all the pics try
http://www.geocities...k02/memory.html
http://www.geocities...ations/cfx.html
to get all the pics try
http://www.geocities...k02/memory.html
#4
Posted 12 September 2003 - 04:15 PM
Thank you for the link (I didn't know of it), the memory map for the 7000G seems to be useful but it does not answer my problem. At least for a while you will keep me busy
Waiting for response from other wizards,
Gus
Waiting for response from other wizards,
Gus
#5
Posted 12 September 2003 - 04:24 PM
Bob> I don't think that the adressing of the 7000GA would support up until 64Kb... also I would not know from where I could get low-power chips of max 4Kb (the max.) here in Romania...
Waiting, praying and hoping,
Gus
Waiting, praying and hoping,
Gus
#6
Posted 12 September 2003 - 04:28 PM
oh, i missed that whole thing about the 7000, i thaught you had at least a 7400 , sorry
#7
Posted 12 September 2003 - 04:35 PM
Sad, isn't it?
Gus
Gus
#8
Posted 12 September 2003 - 04:38 PM
gosh, i feel sorry for you...
#9
Posted 12 September 2003 - 04:51 PM
You don't have to, I am perfectly happy But only hungry for moooree memooory!
Gus
Gus
#10
Posted 24 September 2003 - 05:28 PM
kaugex, please make it clear to what you are saying
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