diff --git a/pyasm/pyasm b/pyasm/pyasm
index 204fecb..aca097a 100755
--- a/pyasm/pyasm
+++ b/pyasm/pyasm
@@ -1327,8 +1327,10 @@ def main():
             if loader not in ['C8LDS', 'LC16SD']:
                 usage("-b options expects either C8LDS or LC16SD param")
             if loader == 'C8LDS':
+                print('BlockLoader=BlockLoader_C8LDS')
                 BlockLoader = BlockLoader_C8LDS
             else:
+                print('BlockLoader=BlockLoader_LC16SD')
                 BlockLoader = BlockLoader_LC16SD
 
     if len(args) != 2:
diff --git a/pymlac/Makefile b/pymlac/Makefile
index f3d16d0..24b47a5f 100644
--- a/pymlac/Makefile
+++ b/pymlac/Makefile
@@ -4,12 +4,10 @@
 #
 
 test:
-	#pymlac -b ptr -c -ptr dumpmem_test.ptp -t 0100,0110:03700,03761:03766,03777 -r 040 -r 0100
-	pymlac -b ptr -c -ptr dumpmem_test.ptp -t 040,045:050,052:055,060:065,066:071,077 -r 040
+	#pymlac -b ptr -c -ptr dumpmem_test_c8lds.ptp -t 040,045:050,052:055,060:065,066:071,077:0100,0110:03700,03761:03766,03777 -r 040 -r 0100
+	pymlac -b ptr -c -ptr dumpmem_test_lc16sd.ptp -t 0100,0110:03700,03761:03766,03777 -r 040
+	#pymlac -b ptr -c -ptr dumpmem_test.ptp -t 040,045:050,052:055,060:065,066:071,077 -r 040 -t 03700,03777 -r 0100
 	#pymlac -b tty -c -ttyin dumpmem_test.ptp -t 0100,0110:03700,03751:03754,03757:03762,03777 -r 040 -r 0100
-	#pymlac -b tty -c -ttyin dumpmem_test.ptp -t 0100,0110:03700,03751:03754,03757:03762,03777 -r 040 
-	#pymlac -b tty -c -ttyin dumpmem_test.ptp -t 03700,03751:03754,03757:03762,03777 -r 040 -r 0100
-	#pymlac -b tty -c -ttyin dumpmem_test.ptp -t 040,045:050,052:055,060:063,077:03700,03751:03754,03757:03762,03777 -r 040
 
 test_debug:	
 	rm -f test.ptr test.ptp CPU.test.trace test_CPU.log pymlac.trace
diff --git a/pymlac/Memory.py b/pymlac/Memory.py
index 9d31d6b..ae6ef04 100644
--- a/pymlac/Memory.py
+++ b/pymlac/Memory.py
@@ -182,6 +182,7 @@ class Memory(object):
     def set_PTR_ROM(self):
         """Set addresses 040 to 077 as PTR ROM."""
 
+        log('seting PTR bootstrap into ROM')
         i = self.ROM_START
         for ptr_value in self.PTR_ROM_IMAGE:
             self.memory[i] = ptr_value
@@ -190,6 +191,7 @@ class Memory(object):
     def set_TTY_ROM(self):
         """Set addresses 040 to 077 as TTY ROM."""
 
+        log('seting TTY bootstrap into ROM')
         i = self.ROM_START
         for tty_value in self.TTY_ROM_IMAGE:
         #for tty_value in self.TTY_ROM_IMAGE_TEST:
diff --git a/pymlac/PtrPtp.py b/pymlac/PtrPtp.py
index 62e09e6..add8dde 100644
--- a/pymlac/PtrPtp.py
+++ b/pymlac/PtrPtp.py
@@ -11,6 +11,8 @@ the PTR/PTP object how many CPU cycles have passed (tick()).
 import struct
 
 from Globals import *
+import log
+log = log.Log('test.log', log.Log.DEBUG)
 
 
 class PtrPtp(object):
@@ -77,6 +79,8 @@ class PtrPtp(object):
         if self.device_use == self.InUsePTP:
             raise RuntimeError("ptr_mount: Can't mount PTR file, being used as PTP")
 
+        log("Mounting '%s' onto PTR" % fname)
+
         self.device_use = self.InUsePTR
         self.device_motor_on = False
         self.device_filename = fname
@@ -92,6 +96,8 @@ class PtrPtp(object):
         if self.device_use == self.InUsePTP:
             raise RuntimeError("ptr_dismount: Can't dismount PTR file, being used as PTP")
 
+        log("Dismounting '%s' onto PTR" % self.device_filename)
+
         if self.device_filename:
             self.device_open_file.close()
 
@@ -103,6 +109,8 @@ class PtrPtp(object):
         if self.device_use == self.InUsePTP:
             raise RuntimeError("start: Can't start PTR motor, being used as PTP")
 
+        log("Starting PTR")
+
         self.device_use = self.InUsePTR
         self.device_motor_on = True
         self.device_ready = False
@@ -114,6 +122,8 @@ class PtrPtp(object):
         if self.device_use == self.InUsePTP:
             raise RuntimeError("stop: Can't stop PTR motor, being used as PTP")
 
+        log("Stopping PTR")
+
         self.device_motor_on = False
         self.device_ready = False
         self.device_cycle_count = self.PtrReadyCycles
diff --git a/pymlac/dumpmem_test.asm b/pymlac/dumpmem_test.asm
index 8ca47d8..0e7054b 100755
--- a/pymlac/dumpmem_test.asm
+++ b/pymlac/dumpmem_test.asm
@@ -8,4 +8,4 @@ end     hlt                     ;
         org     0200            ;
         hlt                     ;
 ;-------------------------------
-	end
+	end     start