Optimizing loops can often mean unrolling them. If the number of iterations is known at compile time, one could simply write the whole thing out...
If you have a question about AS that you want answered, post it here. If I can't answer it myself, and I'm sufficiently piqued, I'll email Alfred...
http://stech68k.net/index.php?topic=45&page= The YM2612 is basically two YM2203s shoved on the same die (The second one is slightly more special...
I believe I've located the patent for the Genesis VDP (here). The "DESCRIPTION OF THE PREFERRED EMBODIMENTS" section is entirely consistent with...
Download it from STech68k. Usage instructions and changelog are in the readme file, so be sure to check that out before starting. As before, feel...
Special stages are weird. It seems that apart from having a different VRAM map, they can in some cases have a different main memory map. I've...
Preliminary release of HARDWARE.TXT, exclusively here. ? 2006 Me. All rights reserved. Formatting is probably horrible, and there may be some...
I originally posted this on Devega, but I figured I'd repost here to let more eyes go over it. Take a look at this schematic diagram on Charles...
=)
<plug> I just finished putting the 68000 memory map into this module. It's a modest start, but I hope that someday this book will supplant...
The version of NEMESIS.DLL included in TSDC exports three undocumented functions - CompToBuff, DecompToBuff, and FreeBuffer. What do they do, and...
Download mirror 1 (RSN - Digibase - CA) Download mirror 2 (CA) Download mirror 3 (UK) Download mirror 4 (Australia) Download mirror 5 (CA)...
Discuss.
A very good compliment to the PRM, as each explains some things that the other doesn't. For example, you can find explanations of the various...
After screwing around with SNASM68K for so long and realizing that it sucks, I decided to start messing around with the AS Macro Assembler. It is,...
move.b $A10001,d0 ; Get version number ...
I've been trying to figure this out for weeks, and it's just not coming to me. Let's take the example of the relative pointers used at the...
At loc_1ABE6 in the s2 disassembly, we have: ori.b #-$80,(FFFFFE1D).w Which makes absolutely no sense to me, because if you invert $80 and add...
Clicky. Please read it. There's some useful info in there.
No, this isn't warez. This is IDA version 3.7, a version from back when Ilfak was distributing it for free. It's a DOS program with an...
Separate names with a comma.
