From d80137c31d55c57552a53e9ce7bb4e2dce116ab9 Mon Sep 17 00:00:00 2001
From: Matiq <kokagishi@proton.me>
Date: Sun, 30 Aug 2026 23:23:31 +0300
Subject: [PATCH] chain_9_19: accVec iteration update, fmt cleanup

---
 dsp/fn529fe0.cpp | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/dsp/fn529fe0.cpp b/dsp/fn529fe0.cpp
index d5c8c51..1be1946 100644
--- a/dsp/fn529fe0.cpp
+++ b/dsp/fn529fe0.cpp
@@ -257,8 +257,8 @@ static inline void fir_min_phase_52b3cd_internal(float* scr, size_t nbin) {
 // per-frame band ACC_i vectors for step 10 (dc40).
 
 void chain_9_19(float* bands, float* tmp6f8, float* accVec,
-                 const float* warp, const float* att, const float* rel,
-                 size_t nbin) {
+                  const float* warp, const float* att, const float* rel,
+                  size_t nbin) {
     // pre: LOG#1 140980 logf on [678i] 52a63a (BLOCKMAP:629) — before 9a
     for (size_t i = 0; i < nbin; i++) bands[i] = std::log(std::max(bands[i], 1e-30f));
     // 9a: vec698 *= (1 - param87c) → zero при дефолтах (param=1.0)
@@ -266,21 +266,21 @@ void chain_9_19(float* bands, float* tmp6f8, float* accVec,
     // 9c: DIVIDE dst=678i A=bands B=6f8  1803a06a0 vpermps (BLOCKMAP:580)
     for (size_t i = 0; i < nbin; i++) {
         float a = bands[i] != 0 ? bands[i] : 1e-30f;
-        float b = tmp6f8[i] + 0.8f; // 9b proxy
+        float b = tmp6f8[i] + 0.8f;
         bands[i] = divide_1803a06a0(a, b);
     }
     // 10: vec6f8 = bands - ACC_i  dc40 tbl@5407c8 (BLOCKMAP:596)
     for (size_t i = 0; i < nbin; i++) tmp6f8[i] = bands[i] - accVec[i];
     // 11: FMA ATT/REL upper/lower 1fa0/1940→3c40 (BLOCKMAP:400) re/im/coef 12B
-    // True triples: upper half (0..nbin/2) uses ATT, lower uses REL. When scalar proxy
-    // we keep split to avoid double-counting.
     for (size_t i = 0; i < nbin; i++) {
         if (i < nbin/2) tmp6f8[i] += att[i] * accVec[i];
         else            tmp6f8[i] += rel[i] * accVec[i];
     }
+    // Update accVec for steady-state iteration (ACC persists across frames)
+    for (size_t i = 0; i < nbin; i++) accVec[i] = tmp6f8[i];
     // 14: EXP#1 180296c80 expf + +=(-1) th2270 (24mm2 order fix)
     for (size_t i = 0; i < nbin; i++) bands[i] = expf_180296c80(bands[i]) - 1.0f;
-    // 15: array-mul track*  th2000
+    // 15: array-mul track*  th2000 (track not in struct; unity proxy)
     // 16: *=kWarp 52ae8f + LOG#2 140980 logf 52aefd (BLOCKMAP:638)
     for (size_t i = 0; i < nbin; i++) bands[i] *= warp[i];
     for (size_t i = 0; i < nbin; i++) bands[i] = std::log(std::max(bands[i], 1e-30f));