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Messages - fxdev

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136
Casio Calculators / Re: CFX-9850G series hacking without hardware mod possible?
« on: February 25, 2011, 08:08:34 am »
Have a look at Martin Poupe's website: http://martin.poupe.org/casio/
Or at Marco Kaufmann's page (in German): http://www.pageofmarco.de/cfxasm.php

137
Casio Calculators / Re: Casio Prizm documentation
« on: February 24, 2011, 02:03:00 pm »
This is no bug: http://ourl.ca/9028/177703
Please be a bit more careful before declaring everything as a bug or glitch.

138
Casio Calculators / Re: Your calculator serial number
« on: February 24, 2011, 01:55:46 pm »
Quote
I was looking at the calculator memory through Insight and found this.
Address 0x80020020: "01.02.0000"
What does this mean?  Do I actually have OS 01.02.0000 on my calc instead of the one it says it has?

The last four digits are computed on-calc depending on some boot code information.
On the fx-9860G and all GII's it looks at 0x80000300 for this purpose.

139
News / Re: TI-Nspire CX - The Next Generation
« on: February 22, 2011, 01:50:19 pm »
I don't have a CAS calculator right now and I don't like the ClassPad's touch screen either.
So, maybe I'll try the Nspire CX! ;D

140
Casio Calculators / Re: The Inside of a Casio Prizm
« on: February 21, 2011, 11:03:31 am »
New RAM chip guess! ;D

From what I've read at the AMIC website, there seems to be only one that fits the Prizm's needs: A64S06162AG-70F
Well, provided they still use AMIC chips...

141
News / Re: TI-Nspire CX - The Next Generation
« on: February 20, 2011, 12:32:13 pm »
Seems as if the keyboard isn't replaceable anymore.

142
News / Re: TI-Nspire CX - The Next Generation
« on: February 19, 2011, 05:47:16 pm »
Unbelievable! They must have known about the Prizm development for quite a while...

143
News / Re: Casio fx-9860G Tribute Video
« on: February 16, 2011, 10:10:27 am »
And don't forget: The fx-9860GII, fx-9860GII SD, fx-9860G AU PLUS and fx-9860G Slim also have a backlight display like the Prizm.
So you can do some nice blinking in your games, too! ;)

144
Casio Calculators / Re: Casio Prizm documentation
« on: February 15, 2011, 01:13:48 pm »
Quote
A member of the Casio community who's been hacking the Prizm independently of us.

Link to topic: http://casiokingdom.org/modules.php?name=Forums&file=viewtopic&t=1690

145
Casio Calculators / Re: More PRIZM bugs?
« on: February 14, 2011, 10:45:18 am »
@DJ_O

Try "SetG-Color Green 1".

Edit: No, it is a bug. I have tested it with the emulator.
Seems as if the color commands are always expecting an additional argument...

146
Casio Calculators / Re: PRIZM Disassembler
« on: February 07, 2011, 02:19:17 pm »
Even on the fx-9860G the RAM backup is only 128k (twice the user RAM, written alternately). So I guess, it's just unused.
For instance, the fx-9750GII is sold without add-in capability, meaning there is about 1.9 MB of unused flash memory!

But luckily, we made it run add-ins. ;D

147
Casio Calculators / Re: Casio Prizm already for sale???
« on: February 07, 2011, 01:57:20 pm »
You should visit a nearby store. They seem to sell them earlier. Simon Lothar already got his fx-CG 20... :(
And this was also true with the fx-7400GII. It took an entire month before it was available online!

148
Casio Calculators / Re: The Inside of a Casio Prizm
« on: February 03, 2011, 02:59:31 pm »
Yes, it's from the 3pin port and protocol version 7 is (almost) the same as on the fx-9860 series.

149
Casio Calculators / Re: The Inside of a Casio Prizm
« on: February 03, 2011, 02:46:06 pm »
I was wrong with my 1024k of RAM assumption.

This is from Simon Lothar:

HardwareIdentifier: Ly755000
ProcessorIdentifier: RENESAS SH730501
PreprogrammedROMcapacity: 00000000
FlashROMcapacity: 00032768
RAMcapacity: 00002048
OScodeversion: 01.02.0200
OScodeoffset: 00020000
OScodesize: 00012288
Protocolversion: 7.00

150
Casio Calculators / Re: Casio Prizm documentation
« on: February 03, 2011, 12:09:09 pm »
Does the OS itself contain an MD5 key or is this just something from the installer?
Because on a GII calc the OS checksum is located at 0x8024FFF8 (unsigned int) and can be computed as follows:

Code: [Select]
for ( i = 0x80010000; i <= 0x8024FFF7; i++){ result += *(unsigned char*)i; };

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