--- a/python/st-util.py	Mon Jan 21 21:12:36 2013 +0100
+++ b/python/st-util.py	Wed Jan 23 21:54:14 2013 +0100
@@ -5,6 +5,7 @@
 from PyQt4.QtGui import *
 import stlink, devices, stm32
 from devices import Interface, Device
+from hexedit import HexEdit
 
 class InformationDialog(QDialog):
    def __init__(self, parent):
@@ -52,8 +53,36 @@
       self.mdl = RegisterModel()
       self.setModel(self.mdl)
 
-class MemoryViewer(QWidget):
-   pass
+class MemoryView(QWidget):
+   def __init__(self):
+      super().__init__()
+      l = QVBoxLayout(self)
+      l2 = QHBoxLayout()
+      l2.addWidget(QLabel('Address'))
+      self.addressLine = QLineEdit()
+      self.addressLine.setInputMask('Hhhhhhhh')
+      self.addressLine.setText('08000000')
+      l2.addWidget(self.addressLine)
+      l.addLayout(l2)
+      self.device = None
+      self.hexEdit = HexEdit()
+      self.loadAddress(0x8000000)
+      l.addWidget(self.hexEdit)
+      self.addressLine.returnPressed.connect(self.doLoad)
+   def doLoad(self):
+      txt = self.addressLine.text()
+      self.loadAddress(int(txt, 16))
+   def loadAddress(self, address):
+      size = 512
+      if self.device:
+         data = self.device.iface.read_mem32(address, size)
+      else:
+         data = bytearray(size)
+      self.hexEdit.bv.Data = data
+      self.hexEdit.bv.Offset = address
+   def setDevice(self, dev):
+      self.device = dev
+      self.loadAddress(0x8000000)
 
 class FlashTool(QWidget):
    def __init__(self):