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Messages - Hooloovoo
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46
« on: November 21, 2014, 01:30:45 am »
This is really cool! I found using ries that the constant is arctan(pi)/pi (if it turns out to be a constant, which seems to be the case). EDIT: that is probably not correct. I just saw that first and it had a tangent in it. Looking at the others, 4/(pi^2) looks like it could be promising. But those are all approximations anyway.
47
« on: October 26, 2014, 05:53:58 pm »
Yes, it will start the TI-OS, which is a good thing so that if something goes wrong you still have a calculator.
48
« on: September 16, 2014, 05:02:38 pm »
Which model of calc is it? I could imagine a calc with a removable keyboard (non-CX, non Clickpad CAS) could have issues with dirty contacts on the keypad. Other than that, is it running ndless, and which OS and boot code versions?
49
« on: September 12, 2014, 11:46:09 pm »
If you are working with the link port, you will want to make sure that whenever any of the lines are pulled low, you disable interrupts with di, and when you are done, re-enabling them with ei. Be warned that certain OS routines will either enable interrupts or not work with interrupts off.
50
« on: September 03, 2014, 03:42:49 pm »
Yes, I have put debian on a flash drive for the nspire, and I did it with debootstrap. There's a script for doing that here.
51
« on: August 28, 2014, 12:47:25 am »
I have a CAS+ with reference card and CD, which I got off ebay a few years back. The CD contains the CAS+ version of the nspire link software.
52
« on: August 20, 2014, 03:47:57 am »
If you have a touchpad calc like the one in your avatar, there is only one button inside it, and it's a metal dome, not a rubber key. My CX's touchpad has always been really annoying to use.
53
« on: July 30, 2014, 02:18:52 pm »
It is expandable with laptop card thingies (no idea what the interface is called)
PCIe?
Judging by the age, it is probably PCMCIA, which is from what I've seen more common and accessible on older laptops.
54
« on: July 26, 2014, 03:53:08 am »
A crash this severe is likely caused by the OS getting corrupted. The battery+[del] trick is something the boot code does so that the calc is recoverable if it has a broken OS. Loading data from archive shouldn't cause crashes like this though.
55
« on: July 24, 2014, 07:30:45 pm »
ON is F12 in tilem as well iirc. I can't test this right now though as I don't have an F12 on my desktop's keyboard.
56
« on: July 14, 2014, 06:44:28 pm »
You can try the steps described on the Ndless troubleshooting page for a black-and white screen. If that fails, you can try an RS232 adapter or reinstalling the OS.
57
« on: July 14, 2014, 05:00:14 pm »
I (ironically) had to solve this problem yesterday too (without internet). It does seem to be a fairly new issue, as I was able to compile it a while ago without problems, but it seems as if something changed in pkgbuild since the last time I compiled. I'm running Debian Jessie, the testing distro.
Another solution, which is very similar but (in my opinion) cleaner because it uses what the configure script already does:
LDFLAGS=-lm ./configure
58
« on: June 11, 2014, 05:07:46 pm »
Yes, you can use copy/cut and paste in the file browser, which can be found in the menu or by using [2nd] +[C]/[V]/[X]
59
« on: May 12, 2014, 12:35:52 am »
 Mission accomplished.
60
« on: May 05, 2014, 06:05:00 pm »
I have learned to program in assembly on the computer first using mostly ASM in 28 days and an assembler, which was probably a lot easier than learning to program directly in hex. When I wanted to program it without carrying my laptop around with me, I learned to program in hex on the calculator, and I used Deep Thought's opcode table as a reference for the opcodes. Calcsys is also an incredibly useful on-calc program for disassembling your program and looking at other people's programs closely. WikiTI is also a good resource.
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