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Split kit and keys; KEYS GEN with MOTIF, 303, TURING, ARP
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- genome(seed, salts) now has three parts with their own RNG streams:
  shared (steps, form, swing, arc, layback, fill odds, phase offset),
  kit (density, frame, accent cycle, free snare) and keys (scale/root,
  progression, motif, hocket, bass tone, note lengths, range). ROLL KEYS
  now renews the harmony too; ROLL KIT leaves the keys alone.
- Keys generators share one signature and can fix note lengths:
  MOTIF (the old line), 303 (acid bass, answers in the rests, drone or
  silent pad), TURING (8/16-bit shift register, DRIFT flips bits, 16-bar
  window), ARP (triad/7th arpeggio, roots on kicks).
- Pages: KIT GEN, KEYS GEN; ROLL shows KIT / KEYS; slots keep both gens.
- Flash record v3 (old settings ignored). Bring-up golden checksums updated.
- C port matches; host test and ASan/UBSan pass.

Intended music change: every seed sounds different (genome split, new
generators). Vectors regenerated with npm run vectors; the case grid now
crosses all kit and keys generators, with TURING runs past its window.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Georgi Durankiev
2026-10-11 21:50:41 +03:00
parent c2c8a55642
commit 346c820b10
26 changed files with 64270 additions and 42622 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
firmware/bringup/main.c
View File

@@ -21,9 +21,9 @@ static const char *const SW_NAME[3] = { "SEED", "RUN", "PUSH" };
/* engine self-test: golden cases from test/vectors (8 bars each) */
typedef struct { uint32_t seed; int gen, energy, drift; uint32_t checksum; } golden_t;
static const golden_t GOLDEN[3] = {
{ 0x5EEDB0C5, 0, 64, 32, 0x4F5DE957 }, /* 5EEDB0C5_s0-0_g0_e64_d32 */
{ 0x5EEDB0C5, 3, 127, 0, 0x29C313A5 }, /* 5EEDB0C5_s0-0_g3_e127_d0, dense */
{ 0x5EEDB0C5, 4, 64, 32, 0x8C01C1F9 }, /* 5EEDB0C5_s0-0_g4_e64_d32, AMENIZER */
{ 0x5EEDB0C5, 0, 64, 32, 0xC055F3A7 }, /* 5EEDB0C5_s0-0_g0_k0_e64_d32 */
{ 0x5EEDB0C5, 3, 127,127, 0x1CF02038 }, /* 5EEDB0C5_s0-0_g3_k0_e127_d127, dense */
{ 0x5EEDB0C5, 4, 64, 32, 0x487CBA24 }, /* 5EEDB0C5_s0-0_g4_k0_e64_d32, AMENIZER */
};
static int engine_ok;
static uint32_t engine_worst_us;
@@ -35,7 +35,7 @@ static void engine_selftest(void){
engine_ok = 1; engine_worst_us = 0;
for(c = 0; c < 3; c++){
sb_state st = { GOLDEN[c].seed, {0, 0} };
sb_params p = { GOLDEN[c].gen, GOLDEN[c].energy, GOLDEN[c].drift, 0, -1, -1 };
sb_params p = { GOLDEN[c].gen, SB_KEYS_MOTIF, GOLDEN[c].energy, GOLDEN[c].drift, 0, -1, -1 };
uint32_t h = SB_FNV_INIT;
for(b = 0; b < 8; b++){
uint64_t t0 = time_us_64();