diff --git a/src/emucore/CartDetector.cxx b/src/emucore/CartDetector.cxx
index 72e3d7d98..a47afe596 100644
--- a/src/emucore/CartDetector.cxx
+++ b/src/emucore/CartDetector.cxx
@@ -1005,15 +1005,15 @@ bool CartDetector::isProbablyUA(const ByteBuffer& image, size_t size)
 {
   // UA cart bankswitching switches to bank 1 by accessing address 0x240
   // using 'STA $240' or 'LDA $240'
-  // Similar Brazilian cart bankswitching switches to bank 1 by accessing address 0x2C0
+  // Similar Brazilian (Digivison) cart bankswitching switches to bank 1 by accessing address 0x2C0
   // using 'BIT $2C0', 'STA $2C0' or 'LDA $2C0'
   uInt8 signature[6][3] = {
-    { 0x8D, 0x40, 0x02 },  // STA $240
-    { 0xAD, 0x40, 0x02 },  // LDA $240
-    { 0xBD, 0x1F, 0x02 },  // LDA $21F,X
-    { 0x2C, 0xC0, 0x02 },  // BIT $2C0
-    { 0x8D, 0xC0, 0x02 },  // STA $2C0
-    { 0xAD, 0xC0, 0x02 }   // LDA $2C0
+    { 0x8D, 0x40, 0x02 },  // STA $240 (Funky Fish, Pleiades)
+    { 0xAD, 0x40, 0x02 },  // LDA $240 (???)
+    { 0xBD, 0x1F, 0x02 },  // LDA $21F,X (Gingerbread Man)
+    { 0x2C, 0xC0, 0x02 },  // BIT $2C0 (Time Pilot)
+    { 0x8D, 0xC0, 0x02 },  // STA $2C0 (Fathom, Vanguard)
+    { 0xAD, 0xC0, 0x02 }   // LDA $2C0 (Mickey)
   };
   for(uInt32 i = 0; i < 6; ++i)
     if(searchForBytes(image.get(), size, signature[i], 3, 1))
diff --git a/src/emucore/Thumbulator.cxx b/src/emucore/Thumbulator.cxx
index 4940dd379..142469d19 100644
--- a/src/emucore/Thumbulator.cxx
+++ b/src/emucore/Thumbulator.cxx
@@ -165,7 +165,7 @@ void Thumbulator::dump_counters()
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 void Thumbulator::dump_regs()
 {
-  for (int cnt = 1; cnt < 14; cnt++)
+  for (int cnt = 0; cnt < 14; cnt++)
   {
     statusMsg << "R" << cnt << " = " << Base::HEX8 << reg_norm[cnt-1] << "  ";
     if(cnt % 4 == 0) statusMsg << endl;