+/* store to idata(onchip) ram */
+#define set_idata2(addr, val) { iram->set((t_addr) (addr), (val) & 0xff); \
+ iram->set((t_addr) (addr+1), ((val) >> 8) & 0xff); }
+#define set_idata1(addr, val) iram->set((t_addr) (addr), (val) )
+
+/* get from idata(onchip) ram */
+#define get_idata1(addr) iram->get((t_addr) (addr))
+#define get_idata2(addr) (iram->get((t_addr) (addr)) | (iram->get((t_addr) (addr+1)) << 8) )
+
+/* store to xdata(external) ram */
+#define set_xdata2(addr, val) { ram->set((t_addr) (addr), (val) & 0xff); \
+ ram->set((t_addr) (addr+1), ((val) >> 8) & 0xff); }
+#define set_xdata1(addr, val) ram->set((t_addr) (addr), val)
+
+/* get from xdata(external) ram */
+#define get_xdata1(addr) ram->get((t_addr) (addr))
+#define get_xdata2(addr) (ram->get((t_addr) (addr)) | (ram->get((t_addr) (addr+1)) << 8) )
+
+#if 0
+ moved to inst.cc as functions