diff --git a/rtl837x_sfr.h b/rtl837x_sfr.h
index 927aa70..46e5a86 100644
--- a/rtl837x_sfr.h
+++ b/rtl837x_sfr.h
@@ -90,7 +90,9 @@ __sfr __at(0xa9) SFR_FLASH_ADDR0;
  * CAREFUL: This is now Little Endian
  */
 __sfr __at(0xb7) SFR_NIC_CTRL;
+__sfr16 __at(0xb4b3) SFR_NIC_DATA_U16LE;
 __sfr __at(0xb3) SFR_NIC_DATA_L;
 __sfr __at(0xb4) SFR_NIC_DATA_H;
+__sfr16 __at(0xb6b5) SFR_NIC_RING_U16LE;
 __sfr __at(0xb5) SFR_NIC_RING_L;
 __sfr __at(0xb6) SFR_NIC_RING_H;
diff --git a/rtlplayground.c b/rtlplayground.c
index 4e358b5..37ac990 100644
--- a/rtlplayground.c
+++ b/rtlplayground.c
@@ -393,10 +393,9 @@ void sfr_mask_data(uint8_t n, uint8_t mask, uint8_t set)
 void nic_rx_header(uint16_t ring_ptr)
 {
 	uint16_t buffer = (uint16_t) &rx_headers[0];
-	SFR_NIC_DATA_H = buffer >> 8;
-	SFR_NIC_DATA_L = buffer;
-	SFR_NIC_RING_L = ring_ptr;
-	SFR_NIC_RING_H = ring_ptr >> 8;
+	SFR_NIC_DATA_U16LE = buffer;
+	SFR_NIC_RING_U16LE = ring_ptr;
+
 	SFR_NIC_CTRL = 1;
 	do { } while (SFR_NIC_CTRL != 0);
 }
@@ -410,10 +409,9 @@ void nic_rx_header(uint16_t ring_ptr)
  */
 void nic_rx_packet(register uint16_t buffer, register uint16_t ring_ptr)
 {
-	SFR_NIC_DATA_H = buffer >> 8;
-	SFR_NIC_DATA_L = buffer;
-	SFR_NIC_RING_L = ring_ptr;
-	SFR_NIC_RING_H = ring_ptr >> 8;
+	SFR_NIC_DATA_U16LE = buffer;
+	SFR_NIC_RING_U16LE = ring_ptr;
+
 	uint16_t len = (((uint16_t)rx_headers[5]) << 8) | rx_headers[4];
 	len += 7;
 	len >>= 3;
@@ -433,12 +431,12 @@ void nic_tx_packet(uint16_t ring_ptr)
 {
 //	uint16_t buffer = (uint16_t) tx_buf;
 	uint16_t buffer = (uint16_t) uip_buf + VLAN_TAG_SIZE;
-	SFR_NIC_DATA_H = buffer >> 8;
-	SFR_NIC_DATA_L = buffer;
+	SFR_NIC_DATA_U16LE = buffer;
+	
 	ring_ptr <<= 3;
 	ring_ptr |= 0x8000;
-	SFR_NIC_RING_L = ring_ptr;
-	SFR_NIC_RING_H = ring_ptr >> 8;
+	SFR_NIC_RING_U16LE = ring_ptr;
+	
 	uint16_t len = (((uint16_t)uip_buf[VLAN_TAG_SIZE + 5]) << 8) | uip_buf[VLAN_TAG_SIZE + 4];
 	len += 0xf;
 	len >>= 3;