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ASM: divide 16 bit by 256
Hello. I am needing to divide a 16 bit value by 256 and was wondering if this could be done using LSR somehow. I have 16 by 8 division routines, but since the 8 bit value is...
Saturday, 21 February 2009 - 04:25
AVR Video System.... full circle.
I know it's been a long time in the making, but this is a spare time project and time has been scarce lately! A long time ago I set out to learn assembly by trying to generate...
Thursday, 19 February 2009 - 05:59
11111011001
To all Freaks... Have a great 11111011001!!! Brad
Wednesday, 31 December 2008 - 23:48
Programmable Oscillator
Hello, Does anyone know if there is a low cost programmable clock oscillator available that will allow accurate frequencies between 3Mhz and 100Mhz? I do a lot of experimentation...
Saturday, 20 December 2008 - 23:28
A box of chips...
AZ-641 VGA game system gets a real home... http://www.lucidscience.com/lazarus/temp/az641.6.jpg Just have to connect the cartridge port wires, and then I can start programming...
Friday, 11 April 2008 - 02:45
Complete AVR based VGA game system up and running!
Although it still needs a cabinet and the two joystick ports, the main part of AZ-641 is completed. This VGA system is built on a breadboard using only DIP parts, a pair of 8 bit...
Friday, 4 April 2008 - 01:23
Video working -> Thanks Fellow Freaks!
I would just like to drop in and say thanks to all those who offered advice during my assembly learning experience. I know a double buffered video system is not the best way to...
Sunday, 23 March 2008 - 03:27
Gated AVR clock idea.
Is there anyone here who has tried gating the master clock to an AVR in order to avoid using an external interrupt? I am wondering if it would work. I have a "master" AVR that...
Tuesday, 18 March 2008 - 14:33
Mega644p Problems
I usually do not blame the parts for glitches, as most are caused by the operator, but this time I am stumped. I have the latest AVRStudio patches, and have been programming the...
Saturday, 15 March 2008 - 00:39
XMega speed grades
I see that the new XMegas will run up to 32MHz. This is good for me as I am interested in video generation. I wonder if the 32MHz will soon become 40MHz, just as 16MHz oftem...
Wednesday, 12 March 2008 - 22:20
Syncing a pair of AVRs
Hello! I have two 644Ps connected to a 20 MHZ clock oscillator. One AVR has the clock inverted through a 74F04 inverter. I am doing this so that each AVR can take turns reading or...
Wednesday, 5 March 2008 - 06:29
SPI Mode confusion - solved!
Hello, I am trying to use the USART as a very simple 8 bit shift register, basically making it act like a 74ls165 shift register. I want the shift register to run at clock speed,...
Monday, 28 January 2008 - 04:15

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