diff --git a/firmware.asm b/firmware.asm
index 6491cfd..6f5787c 100644
--- a/firmware.asm
+++ b/firmware.asm
@@ -14034,29 +14034,20 @@ movx @r0, a
 jc L_817D
 rr a
 xch a, r5
-mov r7, a
-mov r7, a
-mov r7, a
-mov r7, a
-mov r7, a
-mov r7, a
-mov r7, a
-mov r7, a
-mov r7, a
-mov r7, a
-mov r7, a
-mov r7, a
-mov r7, a
-mov r7, a
-mov r7, a
-mov r7, a
-mov r7, a
-mov r7, a
-mov r7, a
-mov r7, a
-mov r7, a
-mov r7, a
-mov r7, a
+L_8126:
+lcall 0xa57b
+mov dptr, #0x0f9b
+movx a, @dptr
+anl a, #0xf0
+jnz L_813C
+movx a, @dptr
+orl a, #0x20
+movx @dptr, a
+mov r6, #0x0f
+mov r7, #0x9b
+lcall 0xa57b
+L_813C:
+ret
 mov r7, a
 mov r7, a
 .db 0x41, 0x03
@@ -28378,7 +28369,7 @@ sjmp L_DF34
 L_DF24:
 mov r6, #0x0f
 mov r7, #0x9b
-lcall 0xa57b
+lcall L_8126
 mov a, r7
 jz L_DF32
 mov r7, #0x01