diff --git a/bin/hw_debug_interface.py b/bin/hw_debug_interface.py
index 8151d3946..36cbd20c9 100755
--- a/bin/hw_debug_interface.py
+++ b/bin/hw_debug_interface.py
@@ -354,70 +354,70 @@ register_translations = {
     "WRITEDATAM"  : "0xC005",
     "IEUADRM"     : "0xC006",
     "READDATAM"   : "0xC007",
-    "X0"          : "0x1000",
-    "X1"          : "0x1001",
-    "X2"          : "0x1002",
-    "X3"          : "0x1003",
-    "X4"          : "0x1004",
-    "X5"          : "0x1005",
-    "X6"          : "0x1006",
-    "X7"          : "0x1007",
-    "X8"          : "0x1008",
-    "X9"          : "0x1009",
-    "X10"         : "0x100A",
-    "X11"         : "0x100B",
-    "X12"         : "0x100C",
-    "X13"         : "0x100D",
-    "X14"         : "0x100E",
-    "X15"         : "0x100F",
-    "X16"         : "0x1010",
-    "X17"         : "0x1011",
-    "X18"         : "0x1012",
-    "X19"         : "0x1013",
-    "X20"         : "0x1014",
-    "X21"         : "0x1015",
-    "X22"         : "0x1016",
-    "X23"         : "0x1017",
-    "X24"         : "0x1018",
-    "X25"         : "0x1019",
-    "X26"         : "0x101A",
-    "X27"         : "0x101B",
-    "X28"         : "0x101C",
-    "X29"         : "0x101D",
-    "X30"         : "0x101E",
-    "X31"         : "0x101F",
-    "FP0"         : "0x1020",
-    "FP1"         : "0x1021",
-    "FP2"         : "0x1022",
-    "FP3"         : "0x1023",
-    "FP4"         : "0x1024",
-    "FP5"         : "0x1025",
-    "FP6"         : "0x1026",
-    "FP7"         : "0x1027",
-    "FP8"         : "0x1028",
-    "FP9"         : "0x1029",
-    "FP10"        : "0x102A",
-    "FP11"        : "0x102B",
-    "FP12"        : "0x102C",
-    "FP13"        : "0x102D",
-    "FP14"        : "0x102E",
-    "FP15"        : "0x102F",
-    "FP16"        : "0x1030",
-    "FP17"        : "0x1031",
-    "FP18"        : "0x1032",
-    "FP19"        : "0x1033",
-    "FP20"        : "0x1034",
-    "FP21"        : "0x1035",
-    "FP22"        : "0x1036",
-    "FP23"        : "0x1037",
-    "FP24"        : "0x1038",
-    "FP25"        : "0x1039",
-    "FP26"        : "0x103A",
-    "FP27"        : "0x103B",
-    "FP28"        : "0x103C",
-    "FP29"        : "0x103D",
-    "FP30"        : "0x103E",
-    "FP31"        : "0x103F",
+    "x0 (zero)"   : "0x1000",
+    "x1 (ra)"     : "0x1001",
+    "x2 (sp)"     : "0x1002",
+    "x3 (gp)"     : "0x1003",
+    "x4 (tp)"     : "0x1004",
+    "x5 (t0)"     : "0x1005",
+    "x6 (t1)"     : "0x1006",
+    "x7 (t2)"     : "0x1007",
+    "x8 (s0/fp)"  : "0x1008",
+    "x9 (s1)"     : "0x1009",
+    "x10 (a0)"    : "0x100A",
+    "x11 (a1)"    : "0x100B",
+    "x12 (a2)"    : "0x100C",
+    "x13 (a3)"    : "0x100D",
+    "x14 (a4)"    : "0x100E",
+    "x15 (a5)"    : "0x100F",
+    "x16 (a6)"    : "0x1010",
+    "x17 (a7)"    : "0x1011",
+    "x18 (s2)"    : "0x1012",
+    "x19 (s3)"    : "0x1013",
+    "x20 (s4)"    : "0x1014",
+    "x21 (s5)"    : "0x1015",
+    "x22 (s6)"    : "0x1016",
+    "x23 (s7)"    : "0x1017",
+    "x24 (s8)"    : "0x1018",
+    "x25 (s9)"    : "0x1019",
+    "x26 (s10)"   : "0x101A",
+    "x27 (s11)"   : "0x101B",
+    "x28 (t3)"    : "0x101C",
+    "x29 (t4)"    : "0x101D",
+    "x30 (t5)"    : "0x101E",
+    "x31 (t6)"    : "0x101F",
+    "f0 (ft0)"    : "0x1020",
+    "f1 (ft1)"    : "0x1021",
+    "f2 (ft2)"    : "0x1022",
+    "f3 (ft3)"    : "0x1023",
+    "f4 (ft4)"    : "0x1024",
+    "f5 (ft5)"    : "0x1025",
+    "f6 (ft6)"    : "0x1026",
+    "f7 (ft7)"    : "0x1027",
+    "f8 (fs0)"    : "0x1028",
+    "f9 (fs1)"    : "0x1029",
+    "f10 (fa0)"   : "0x102A",
+    "f11 (fa1)"   : "0x102B",
+    "f12 (fa2)"   : "0x102C",
+    "f13 (fa3)"   : "0x102D",
+    "f14 (fa4)"   : "0x102E",
+    "f15 (fa5)"   : "0x102F",
+    "f16 (fa6)"   : "0x1030",
+    "f17 (fa7)"   : "0x1031",
+    "f18 (fs2)"   : "0x1032",
+    "f19 (fs3)"   : "0x1033",
+    "f20 (fs4)"   : "0x1034",
+    "f21 (fs5)"   : "0x1035",
+    "f22 (fs6)"   : "0x1036",
+    "f23 (fs7)"   : "0x1037",
+    "f24 (fs8)"   : "0x1038",
+    "f25 (fs9)"   : "0x1039",
+    "f26 (fs10)"  : "0x103A",
+    "f27 (fs11)"  : "0x103B",
+    "f28 (ft8)"   : "0x103C",
+    "f29 (ft9)"   : "0x103D",
+    "f30 (ft10)"  : "0x103E",
+    "f31 (ft11)"  : "0x103F",
 }
 
 nonstandard_register_lengths = {