#rom-hacking
- ROM retuning — patching a tracker's pitch table techniqueOverwriting the block of precomputed pitch values inside a tracker's ROM, so that every note in the sequencer plays at a frequency you chose. It is how alternative-tunings are done on the game-boy , and it is also the …
- Abrasive personThe person whose idle question started Game Boy microtuning: "can LSDJ be retuned to non-standard tunings?" The answer, in his own account, took "a few minutes in a hex editor and half an hour in Perl" and became …
- little-scale — Abrasive on LSDJ Microtuning (2009) summarylittle-scale reposts abrasive 's own announcement of lsdj_tune , the script that turns the hand-editing of the previous day's post into a one-line command. Unusually for this blog, everything is in the text.
- little-scale — extracting samples from Game Boy and GBA ROMs (2010, 2012) summaryThe generic trick for getting audio out of any ROM, with the settings that work for the Game Boy Advance — and one worked result.
- little-scale — Let's Tune the Game Boy Like a Japanese Koto (2009) summaryA commission, and the clearest worked example of a just (ratio-based) retune in the cluster: the whole ROM tuned to the pentatonic hirajoshi scale on A. The spreadsheet screenshot shows every intermediate column, so the …
- little-scale — LSDJ Tuning Tables (2009) summaryFour sentences and two pictures, and the pictures are the post. They show where lsdj 's pitch tables live in the ROM — the prerequisite for every rom-retuning job that follows on this blog.
- little-scale — Nanoloop Tuned to 18-TET, Hacked ROM (2009) summaryThe earliest post of the cluster, a day before the LSDj tables, and the one that explains the arithmetic in words. Same technique, different tracker: nanoloop 1.3d retuned to 18 equal divisions of the octave.
- little-scale — Underclocking a Game Boy, and retuning it afterwards (2009) summaryThe pair that makes the point of the whole cluster: there are two ways to move a Game Boy's pitch, one in the hardware and one in the ROM, and doing the first without the second leaves you out of tune. The second post …