diff --git a/src/armv5te/coproc.cpp b/src/armv5te/coproc.cpp
index 338017a..0dcd534 100644
--- a/src/armv5te/coproc.cpp
+++ b/src/armv5te/coproc.cpp
@@ -84,8 +84,11 @@ void do_cp15_mcr(uint32_t insn)
                 error("Bad or unimplemented control register value: %x (unsupported: %x)\n", value, (value & 0xFFFF8CF8) ^ 0x00050078);
             */
             arm.control = value;
-            if (change & 1) // MMU is being turned on or off
-                addr_cache_flush();
+            if (change & 1){
+               // MMU is being turned on or off
+               addr_cache_flush();
+               emuprintf("Turned MMU %s\n", value & 1 ? "on" : "off");
+            }
             break;
         }
         case 0x020000: /* MCR p15, 0, <Rd>, c2, c0, 0: Translation Table Base Register */
diff --git a/src/pxa260/pxa260.h b/src/pxa260/pxa260.h
index 7021655..6ff6a95 100644
--- a/src/pxa260/pxa260.h
+++ b/src/pxa260/pxa260.h
@@ -30,6 +30,6 @@ uint32_t pxa260GetRegister(uint8_t reg);//only for debugging
 #define pxa260GetPc() pxa260GetRegister(15)//only for debugging
 uint32_t pxa260GetCpsr(void);//only for debugging
 uint32_t pxa260GetSpsr(void);//only for debugging
-uint64_t pxa260ReadArbitraryMemory(uint32_t address, uint8_t size);//only for debugging
+uint64_t pxa260ReadArbitraryMemory(uint32_t address, uint8_t size);//only for debugging, uses physical address not MMU mapped
 
 #endif
diff --git a/src/pxa260/pxa260Udc.c b/src/pxa260/pxa260Udc.c
index 4aa2da6..f844522 100644
--- a/src/pxa260/pxa260Udc.c
+++ b/src/pxa260/pxa260Udc.c
@@ -38,7 +38,7 @@ uint32_t pxa260UdcReadWord(uint32_t address){
    switch(address){
       case UDCCR:
          //TODO: is incomplete
-         debugLog("Snoot boop, PC:0x%08X\n", pxa260GetPc());
+         debugLog("PXA260 UDC UDCCR read, PC:0x%08X\n", pxa260GetPc());
          return pxa260UdcUdccr;
 
       case UDCCS0:
@@ -70,6 +70,12 @@ void pxa260UdcWriteWord(uint32_t address, uint32_t value){
          pxa260UdcUdccr = value & 0xFF;
          return;
 
+      case UDCCS0:
+         pxa260UdcUdccs0 &= ~(value & 0x91);//clear clear on 1 bits
+         pxa260UdcUdccs0 |= value & 0x26;//set set on 1 bits
+         //TODO: need to update interrupts
+         return;
+
       case UICR0:
          pxa260UdcUicr0 = value & 0xFF;
          //TODO: need to update interrupts