diff --git a/sdk/software/examples/asm/user-sample.c b/sdk/software/examples/asm/user-sample.c
index 8905b57..76af472 100644
--- a/sdk/software/examples/asm/user-sample.c
+++ b/sdk/software/examples/asm/user-sample.c
@@ -155,6 +155,7 @@ int main(void)
 
     /* ── Start marker (must be first output) ──────────────────── */
     printf("MATMUL_START\n");
+    crc = 0xFFFFFFFF;
 
     /* ── Prologue: Load and Start the very first group ────────── */
     for (i = 0; i < 16; i++) {
@@ -191,15 +192,13 @@ int main(void)
 
         // 4. Read the PREVIOUS group's result and write to memory
         read_ip(bank_C[prev_bank], c_buf, 48);
-
-        // Required DBG prints logic modified to match the pipelined flow
-        if (finished_g == 1) {
-            printf("DBG C[0..2]=%08lx %08lx %08lx\n",
-                   (unsigned long)c_buf[0], (unsigned long)c_buf[1], (unsigned long)c_buf[2]);
-        }
-
         for (i = 0; i < 48; i++) {
-            extram[DST_BASE + finished_g * 48 + i] = c_buf[i];
+            uint32_t w = c_buf[i];
+            crc = crc32_table[(crc ^ (w        & 0xFF)) & 0xFF] ^ (crc >> 8);
+            crc = crc32_table[(crc ^ ((w >>  8) & 0xFF)) & 0xFF] ^ (crc >> 8);
+            crc = crc32_table[(crc ^ ((w >> 16) & 0xFF)) & 0xFF] ^ (crc >> 8);
+            crc = crc32_table[(crc ^  (w >> 24)        ) & 0xFF] ^ (crc >> 8);
+            extram[DST_BASE + finished_g * 48 + i] = w;
         }
 
         if (finished_g == 0) {
@@ -212,11 +211,16 @@ int main(void)
     wait_and_clear_done();
     read_ip(bank_C[cur_bank], c_buf, 48);
     for (i = 0; i < 48; i++) {
-        extram[DST_BASE + (MATMUL_GROUP_NUM - 1) * 48 + i] = c_buf[i];
+        uint32_t w = c_buf[i];
+        crc = crc32_table[(crc ^ (w        & 0xFF)) & 0xFF] ^ (crc >> 8);
+        crc = crc32_table[(crc ^ ((w >>  8) & 0xFF)) & 0xFF] ^ (crc >> 8);
+        crc = crc32_table[(crc ^ ((w >> 16) & 0xFF)) & 0xFF] ^ (crc >> 8);
+        crc = crc32_table[(crc ^  (w >> 24)        ) & 0xFF] ^ (crc >> 8);
+        extram[DST_BASE + (MATMUL_GROUP_NUM - 1) * 48 + i] = w;
     }
 
-    /* ── CRC32 over result region ─────────────────────────────── */
-    crc = compute_crc32(extram);
+    /* ── Finalize CRC32 ──────────────────────────────────────── */
+    crc ^= 0xFFFFFFFF;
 
     /* ── Final markers ────────────────────────────────────────── */
     printf("MATMUL_CRC32=%08lx\n", (unsigned long)crc);