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Tornado2000 in the browser (ATMega644 / Uzebox emulation)
I put a link to the Uzebox emulator in another thread.  In that thread I said that the browser/online emulator could not cope with Tornado2000. This is because of the...
Tuesday, 8 January 2019 - 06:13
Calling all AVR programmers (C or ASM) - Uzebox Coding Challenge
The Uzebox is a video game console based on the ATMega644.   http://belogic.com/uzebox/index.asp   Three previous years there has been a coding challenge for it.  ...
Tuesday, 6 March 2018 - 02:53
Trig functions and a retro video game re/de make on AVR
Sorry for being slack in posting this one.  The Trig topic just made me remember it.   It's a game a wrote for the Uzebox 2ish years ago.   Its a de-make of the...
Wednesday, 24 January 2018 - 13:02
Possible bug with 4.8.2 / 4.8.1
Maybe it's bad C on my part, maybe it's a bug.   The following happens with 4.8.1 from ATMEL. 4.8.2 from MHV.  It does not happen with 4.3.x and does not happen with 4.9...
Saturday, 18 April 2015 - 21:23
RAM/Variables at fixed memory locations
Howdy All, I have some variables at fixed memory locations using unsigned char spriteRam[256*8] __attribute__ ((section (".spriteram"))); unsigned char vram[32*28]...
Thursday, 28 August 2014 - 05:54
Uzebox code comp
Howdy All, There is a competition just starting up to write a video game on the Uzebox http://uzebox.org/forums/viewtop... It uses an ATMega644 as its CPU so hopefully this post...
Tuesday, 11 February 2014 - 04:24
GCC vs ASM code size - Help me close the gap
Now - before anyone claims this is a set up - you can look on the uzebox forums. This code was posted on the 27th Jan which was 2 days before I first spoke on the lazarus troll...
Monday, 3 February 2014 - 01:32
Code in the vectors BUT keeping some of the C vectors
I have a need to have an ASM code table do an IJMP straight onto the reset vector and another straight into the middle of the interrupt vectors. There are 3 ISR vectors after the...
Tuesday, 25 June 2013 - 00:59
The first part of the project I was optimizing
Hi Guys, Here is the the first part of the project I was trying to optimize with mixing ASM with GCC. http://www.instructables.com/id/... Obviously it was not rock-blaster or quad...
Thursday, 2 May 2013 - 01:58
Am I doing something wrong to not let the compiler work this
(ignore the PORTC bit - it is just to give it something to do) #include #include typedef const struct { uint16_t X1; uint16_t Y1; uint16_t X2; uint16_t Y2; } PROGMEM...
Friday, 12 April 2013 - 04:42
AVR GCC and register usage
Howdy all, From the FAQ Quote:Arguments - allocated left to right, r25 to r8. All arguments are aligned to start in even-numbered registers (odd-sized arguments, including char,...
Tuesday, 9 April 2013 - 03:15
Hacking FMark LCD display
[this thread split from David Prentice's original thread about TFT-SPI displays] John_A_Brown wrote: I may have mentioned this before, but I haven't yet found a cheap TFT module...
Wednesday, 3 April 2013 - 03:25

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