diff --git a/cmd_parser.c b/cmd_parser.c
index 69e7dec..a45850e 100644
--- a/cmd_parser.c
+++ b/cmd_parser.c
@@ -365,10 +365,11 @@ void parse_regset(void)
 	// zero sfp data
 	sfr_set_zero();
 
+	uint8_t offset = 4 - hex_size;
 	// copy data over
 	while(hex_size) {
 		hex_size -= 1;
-		sfr_data[hex_size] = hexvalue[hex_size];
+		sfr_data[offset + hex_size] = hexvalue[hex_size];
 	}
 
 	reg_write_m(reg);
diff --git a/rtlplayground.mem b/rtlplayground.mem
index ab1078f..622a980 100644
--- a/rtlplayground.mem
+++ b/rtlplayground.mem
@@ -26,4 +26,4 @@ Other memory:
    ---------------- -------- -------- -------- --------
    PAGED EXT. RAM                         0      256   
    EXTERNAL RAM     0x0001   0x1ae8    6888    16777216
-   ROM/EPROM/FLASH  0x0000   0x1c72d  47021    16777216
+   ROM/EPROM/FLASH  0x0000   0x1c735  47029    16777216