[TI-H] Re: PICs in general

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[TI-H] Re: PICs in general


I started with PICs a few months ago, and honestly you can learn them in
a weekend...they are easy and fun.  My first little project was
connecting the TI-86 to an NES game pad so that games could be played
with an actual controller.  I have a pretty detailed description of
everything involved on my website.  http://www.psikan.com
http://www.psikan.com/nesticalc.php to be more specific.  There is asm
code there for both the PIC and the TI-86.  I ended up writing my own
send/recv byte routine for the calc.  I do not really like the built in
stuff.  I have two more weeks of school then I will be able to devote
lots more time to this stuff, and actually I already have code started
for MMC cards(SM would be better/faster but harder).  This will allow
for huge amounts of storage, utilizing FAT12 file system, unless I can
come up with a better one.  Anyone who wants help, please ask and if I
have time I will try.  Also anyone out there know of PICs that have SPI
port and functions built in?  If you are looking for a cheap alternative
to buying the Microchip programmer for the PICs look into the WARP-13.
It supports about every brand of PIC imaginable, and it is only 70
bucks.  Just google it and you will get some hits.

Regards,
Cullen Logan

-----Original Message-----
From: ti-hardware-bounce@lists.ticalc.org
[mailto:ti-hardware-bounce@lists.ticalc.org] On Behalf Of docydoc
Sent: Sunday, April 28, 2002 11:58 PM
To: ti-hardware@lists.ticalc.org
Subject: [TI-H] Re: PICs in general



Hi!


KiwiCado23@aol.com wrote:

> Does anyone have any advice on where to start learning PIC-craft?

I started with the PicstartPLUS of Microchip itself.

It comes with a complete documentation and the hardware to program EVERY
PIC.

The PIC assembly lang is pretty easy. U just have to get used to all the
registers and it's function unless u want to use C or similar.

The kit is about $200 as far as I remember. But u get everything u need
including the programmer.

Can somebody provide me with assembler routines for the TI92 / TI92+ /
TI92-II+ for sending a byte
and receiving a byte tru the link cable (I have the original one by TI -
the black one).

Should not be a big problem to add some 74HC573 to expand the PIC and 2
lines for accessing the TI... Maybe also a serial shift register would
be useful but it all depends on the ay how a byte is received/sent.

Pierre
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