From 44792699bf0ccfb7a6d25c0adae2fe5725f9e186 Mon Sep 17 00:00:00 2001
From: logicog <git@logicog.de>
Date: Mon, 15 Dec 2025 20:07:30 +0100
Subject: [PATCH] Add sfr_mask_data function header

---
 rtl837x_common.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/rtl837x_common.h b/rtl837x_common.h
index 7bf1d9f..ef8d4d6 100644
--- a/rtl837x_common.h
+++ b/rtl837x_common.h
@@ -101,6 +101,7 @@ void print_reg(uint16_t reg);
 uint8_t sfp_read_reg(uint8_t slot, uint8_t reg);
 void reg_bit_set(uint16_t reg_addr, char bit);
 void reg_bit_clear(uint16_t reg_addr, char bit);
+void sfr_mask_data(uint8_t n, uint8_t mask, uint8_t set);
 void sfr_set_zero(void);
 void reset_chip(void);
 void memcpy(__xdata void * __xdata dst, __xdata const void * __xdata src, uint16_t len);