fixed 3E bankswitching

src/emucore/Cart3E.cxx

@@ -71,3 +71,18 @@ uInt8 Cartridge3E::peek(uInt16 address)
 
   return CartridgeEnhanced::peek(peekAddress);
 }
+
+// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+bool Cartridge3E::poke(uInt16 address, uInt8 value)
+{
+  uInt16 pokeAddress = address;
+  address &= ROM_MASK;
+
+  if(address < 0x0040)  // TIA access
+  {
+    checkSwitchBank(address, value);
+    return mySystem->tia().poke(address, value);
+  }
+
+  return CartridgeEnhanced::poke(pokeAddress, value);
+}

src/emucore/Cart3E.hxx

@@ -113,6 +113,15 @@ class Cartridge3E : public CartridgeEnhanced
     */
     uInt8 peek(uInt16 address) override;
 
+    /**
+      Change the byte at the specified address to the given value
+
+      @param address The address where the value should be stored
+      @param value The value to be stored at the address
+      @return  True if the poke changed the device address space, else false
+    */
+    bool poke(uInt16 address, uInt8 value) override;
+
   private:
     bool checkSwitchBank(uInt16 address, uInt8 value) override;
 

src/emucore/CartEnhanced.cxx

@@ -232,7 +232,7 @@ bool CartridgeEnhanced::bank(uInt16 bank, uInt16 segment)
     uInt32 bankOffset = uInt32(mySize) + (ramBank << (myBankShift - 1));
 
     // Remember what bank is in this segment
-    myCurrentSegOffset[segment] = bank << myBankShift;
+    myCurrentSegOffset[segment] = uInt32(mySize) + (ramBank << myBankShift);
 
     // Set the page accessing method for the RAM writing pages
     uInt16 fromAddr = (ROM_OFFSET + segmentOffset + myWriteOffset) & ~System::PAGE_MASK;