PTR bootloader error: 0107 AND+DAC bad

pymlac/DisplayCPU.py

@@ -60,6 +60,7 @@ class DisplayCPU(object):
         return result
 
     def doDEIMByte(self, byte):
+        print('doDEIMByte')
         if byte & 0x80:			# increment?
             prevDX = self.DX
             prevDY = self.DY

pymlac/Ptr.py

@@ -83,6 +83,7 @@ class Ptr(object):
     def read(self):
         """Read papertape value."""
 
+        print('Ptr: value=%04o' % self.value)
         return self.value
 
     def eof(self):

pymlac/TtyIn.py

@@ -6,8 +6,8 @@ Emulate the Input TTY device (TTYIN).
 
 from Globals import *
 
-import log
-log = log.Log('test_TTYIN.log', log.Log.DEBUG)
+#import log
+#log = log.Log('test_TTYIN.log', log.Log.DEBUG)
 
 
 class TtyIn(object):
@@ -22,7 +22,7 @@ class TtyIn(object):
     def __init__(self):
         """Initialize the TTYIN device."""
 
-        log('TTYIN: Initializing device')
+#        log('TTYIN: Initializing device')
 
         self.filename = None
         self.open_file = None
@@ -31,12 +31,12 @@ class TtyIn(object):
         self.cycle_count = 0
         self.status = self.DEVICE_NOT_READY
 
-        log('TTYIN: DEVICE_READY_CYCLES=%d' % self.DEVICE_READY_CYCLES)
+#        log('TTYIN: DEVICE_READY_CYCLES=%d' % self.DEVICE_READY_CYCLES)
 
     def mount(self, fname):
         """Mount a file on the TTYIN device."""
 
-        log('TTYIN: Mounting file %s on device' % fname)
+#        log('TTYIN: Mounting file %s on device' % fname)
 
         self.filename = fname
         self.open_file = open(fname, 'r')
@@ -49,13 +49,13 @@ class TtyIn(object):
             self.atEOF = True
             self.cycle_count = 0
             self.value = 0
-            log('TTYIN: EOF set on device (file %s)' % self.fname)
+#            log('TTYIN: EOF set on device (file %s)' % self.fname)
         self.value = ord(self.value)
 
     def dismount(self):
         """Dismount the file on the TTYIN device."""
 
-        log('TTYIN: Dismounting file %s' % self.filename)
+#        log('TTYIN: Dismounting file %s' % self.filename)
 
         if self.open_file:
             self.open_file.close()
@@ -68,21 +68,21 @@ class TtyIn(object):
     def read(self):
         """Return the current device value."""
 
-        log('TTYIN: Reading device, value is %03o' % self.value)
+#        log('TTYIN: Reading device, value is %03o' % self.value)
 
         return self.value
 
     def ready(self):
         """Return device status."""
 
-        log("TTYIN: Device 'ready' status is %s" % str(self.status == self.DEVICE_READY))
+#        log("TTYIN: Device 'ready' status is %s" % str(self.status == self.DEVICE_READY))
 
         return (self.status == self.DEVICE_READY)
 
     def clear(self):
         """Clear the device 'ready' status."""
 
-        log("TTYIN: Clearing device 'ready' status")
+#        log("TTYIN: Clearing device 'ready' status")
 
         self.status = self.DEVICE_NOT_READY
 
@@ -90,8 +90,8 @@ class TtyIn(object):
         """Advance the device state by 'cycles' number of CPU cycles."""
 
         if not self.atEOF:
-            log("TTYIN: Doing 'tick' cycle=%d, .atEOF=%s, .cycle_count=%d"
-                    % (cycles, str(self.atEOF), self.cycle_count))
+#            log("TTYIN: Doing 'tick' cycle=%d, .atEOF=%s, .cycle_count=%d"
+#                    % (cycles, str(self.atEOF), self.cycle_count))
             self.cycle_count -= cycles
             if self.cycle_count <= 0:
                 self.cycle_count += self.DEVICE_READY_CYCLES
@@ -103,8 +103,8 @@ class TtyIn(object):
                     self.value = chr(0)
                     self.cycle_count = 0
                     self.status = self.DEVICE_NOT_READY
-                    log('TTYIN: EOF set on device (file %s)' % self.filename)
-                else:
-                    log('TTYIN: .cycle_count expired, new character is %s (%03o)'
-                            % (self.value, ord(self.value[0])))
+#                    log('TTYIN: EOF set on device (file %s)' % self.filename)
+#                else:
+#                    log('TTYIN: .cycle_count expired, new character is %s (%03o)'
+#                            % (self.value, ord(self.value[0])))
                 self.value = ord(self.value)

pymlac/pymlac

@@ -14,6 +14,8 @@ from Globals import *
 import Memory
 import Ptr
 import Ptp
+import TtyIn
+import TtyOut
 import Kbd
 import MainCPU
 import Display
@@ -326,8 +328,8 @@ class PymlacFrame(wx.Frame):
         # consruct the Imlac machine
         self.ptr = Ptr.Ptr()
         self.ptp = Ptp.Ptp()
-        self.ttyin = None
-        self.ttyout = None
+        self.ttyin = TtyIn.TtyIn()
+        self.ttyout = TtyOut.TtyOut()
         self.kbd = Kbd.Kbd()
         self.memory = Memory.Memory()
         self.display = Display.Display(self.panel)
@@ -350,9 +352,6 @@ class PymlacFrame(wx.Frame):
 
         self.Refresh()
 
-        self.display.draw(0, 0, 2047, 2047)
-        self.display.draw(2047, 0, 0, 2047, dotted=True)
-
         # start running
         self.run_machine()
 
@@ -460,6 +459,8 @@ class PymlacFrame(wx.Frame):
             else:
                 abort('Invalid internal operation: %s' % operation)
 
+            self.memory.savecore('after_%s.core' % operation)
+
 #        Imlac.close(CORE_FILENAME)