diff --git a/tools/sbl_uni.py b/tools/sbl_uni.py
index a20edd1..eedda0a 100644
--- a/tools/sbl_uni.py
+++ b/tools/sbl_uni.py
@@ -340,13 +340,16 @@ def main():
     mu.hook_add(UC_HOOK_CODE, hook_code)
     _txtlog = []
     def hook_txt(mu, access, addr, size, value, data):
-        if len(_txtlog) < 10:
+        if len(_txtlog) < 12:
             try:
                 from unicorn.arm_const import UC_ARM_REG_PC as _P
-                _txtlog.append((count[0], mu.reg_read(_P), addr, size, value))
+                from unicorn.arm_const import UC_ARM_REG_SP as _Q
+                from unicorn.arm_const import UC_ARM_REG_LR as _L
+                _txtlog.append((count[0], mu.reg_read(_P), addr, size, value,
+                              mu.reg_read(_Q), mu.reg_read(_L)))
             except Exception:
                 pass
-    mu.hook_add(UC_HOOK_MEM_WRITE, hook_txt, begin=0x802F664, end=0x802F668)
+    mu.hook_add(UC_HOOK_MEM_WRITE, hook_txt, begin=0x802F600, end=0x802F700)
     _splog2 = []
     def hook_spck(mu, addr, size, data):
         try:
@@ -361,8 +364,8 @@ def main():
     import atexit as _ax3
     def _dtx():
         print('txt-writes:', len(_txtlog))
-        for n, pc, a, sz, v in _txtlog:
-            print('  insn', n, hex(pc), hex(a), sz, hex(v))
+        for n, pc, a, sz, v, sp, lr in _txtlog:
+            print('  insn', n, hex(pc), hex(a), sz, hex(v), hex(sp), hex(lr))
         print('sp-trips:', len(_splog2))
         for n, pc, sp in _splog2:
             print('  insn', n, hex(pc), hex(sp))