B1/B2: ACC table double-deref 5407c8 + chain_9_19_sim op-by-op (BLOCKMAP 620-644)

2026-08-30 18:07:15 +03:00
parent 359aaeb7cb
commit 7b479f5357
2 changed files with 58 additions and 0 deletions
@@ -176,6 +176,25 @@ def main():
                            store['lut_G'] = struct.unpack('<f', fb4[12:16])[0]
                            store['lut_mode'] = fb4[16]
                for off in SLOTS[1:]:
+                    if off == 0x5407c8:
+                        # ACC is table of pointers per-band [5407c8 + i*8] -> buf 2049 f32 each
+                        for bi in range(4):
+                            q = rd(ctx + off + 8*bi, 8)
+                            if not q: continue
+                            ptr = struct.unpack('<Q', q)[0]
+                            if ptr < 0x10000: continue
+                            ab = rd(ptr, 2049 * 4)
+                            if ab:
+                                store[hex(off) + f"_{bi}"] = np.frombuffer(ab, dtype='<f4').astype(np.float32)
+                        # also store raw table pointer for debug
+                        q = rd(ctx + off, 8)
+                        if q:
+                            ptr = struct.unpack('<Q', q)[0]
+                            if ptr >= 0x10000:
+                                ab = rd(ptr, NARR * 4)
+                                if ab:
+                                    store[hex(off)] = np.frombuffer(ab, dtype='<f4').astype(np.float32)
+                        continue
                    q = rd(ctx + off, 8)
                    if not q:
                        continue