diff --git a/include/ChangeLog b/include/ChangeLog
index 623d24a0..3f38bc0f 100644
--- a/include/ChangeLog
+++ b/include/ChangeLog
@@ -1,3 +1,8 @@
+2005-06-16  Branislav Petrovsky  <brano111@szm.sk>
+
+	* h8/h8s2357/mcu.h (SBYCR, SYSCR, SCKCR, MDCR, MSTPCRH, MSTPCRL)
+	(SYSCR2): Added assembly alternatives to C register names defines.
+
 2005-06-10  Branislav Petrovsky  <brano111@szm.sk>
 
 	* h8/h83048/itu.h: Replaced 8 bit register pairs with 16 bit registers
diff --git a/include/h8/h8s2357/mcu.h b/include/h8/h8s2357/mcu.h
index e32428ba..274a6ec3 100644
--- a/include/h8/h8s2357/mcu.h
+++ b/include/h8/h8s2357/mcu.h
@@ -81,6 +81,16 @@ typedef volatile struct MCU_registers {
 #define MSTPCRL_OFFSET	0x05
 #define SYSCR2_OFFSET	0x0a
 
+#if LANGUAGE == ASM
+#define SBYCR		(MCU_BASE + SBYCR_OFFSET)
+#define SYSCR		(MCU_BASE + SYSCR_OFFSET)
+#define SCKCR		(MCU_BASE + SCKCR_OFFSET)
+#define MDCR		(MCU_BASE + MDCR_OFFSET)
+#define MSTPCRH		(MCU_BASE + MSTPCRH_OFFSET)
+#define MSTPCRL		(MCU_BASE + MSTPCRL_OFFSET)
+#define SYSCR2		(MCU_BASE + SYSCR2_OFFSET)
+#endif /* LANGUAGE == ASM */
+
 /* SBYCR bits */
 #define SBYCR_SSBY		bit(7)
 #define SBYCR_STS_MASK		bits(6,4)