www.linusakesson.net

My name is Linus Åkesson, though some of you may know me as lft. I live in Lund, Sweden.

This combined homepage, blog and file archive is bilingual. If you don't understand Swedish, you may wish to trim the site down a bit by un-checking the corresponding box near the top of the page.

Latest pages:

Scene Spirit

This was my contribution to the music compo at X 2014. It ended up on 10th place. Enjoy! Read more.

Scene_Spirit (SID tune, 8.0 kB)

scene spirit (C64 executable file, 8.1 kB)

Linus Akesson - Scene Spirit (MP3, 3.4 MB)

Posted Monday 15-Dec-2014 10:36, 3 comments.

This is my contribution to the 6th Underhanded C Contest. The results were announced yesterday, and I was pleased to find that my solution was among the few mentioned explicitly on the result page. Before you check out the official results, you might want to study my code below, and see if you can spot the covert behaviour. Read more.

linus-akesson-obsessbook (Tar/gzip, 4.3 kB)

Posted Wednesday 1-Oct-2014 11:11, 1 comment.

Specular Highlight

I composed this SID tune for the Executable Music Oldskool compo at Revision 2014, where it ended up on 5th place. Read more.

Specular_Highlight (SID tune, 9.6 kB)

Specular_Highlight (C64 executable file, 9.7 kB)

Linus Akesson - Specular Highlight (MP3, 3.3 MB)

Posted Tuesday 13-May-2014 22:46, 4 comments.

Tracking down the ^Z problem in vim

Coders who use vim a lot may be familiar with an irritating race condition that appears on some systems: You save the source code, suspend vim using ^Z, and then immediately start typing a command (such as "make"), and sometimes the first few characters of the command are lost. The obvious workaround is to always wait for the shell prompt after typing ^Z, but this gets annoying after a while. I decided to dig deeper and see if I could find a quick fix. Read more.

Posted Wednesday 18-Dec-2013 15:29, 7 comments.

Zeugma

Zeugma is a modern, highly optimised, open-source Z-machine implementation for the 6502 processor family. It is designed around a virtual memory model, where pages are retrieved on demand from an external storage resource, 512 KB in size, which must be preloaded with the game file. Read more.

zeugma-c64-reu-1.2 (C64 executable file, 16.5 kB)

zeugma-c64-reu-src-1.2 (Source tarball, 29 kB)

zeugma-c64-reu-1.1 (C64 executable file, 16.5 kB)

zeugma-c64-reu-src-1.1 (Source tarball, 29 kB)

zeugma-c64-reu-1.0 (C64 executable file, 16.5 kB)

zeugma-c64-reu-widehack-1.0 (C64 executable file, 16.5 kB)

zeugma-c64-reu-src-1.0 (Source tarball, 29 kB)

Posted Thursday 22-Aug-2013 23:14, 18 comments.

Spindle

Spindle is an integrated linking, loading and crunching solution for C64 trackmos. By hiding the details of the storage model, it allows the demo coder to focus on effects, transitions and flow. Read more.