diff --git a/kernel/trunk/core/sys32.inc b/kernel/trunk/core/sys32.inc
index 5203a8e2cb..25fdc41887 100644
--- a/kernel/trunk/core/sys32.inc
+++ b/kernel/trunk/core/sys32.inc
@@ -185,22 +185,26 @@ show_error_parameters:
 
         cmp    dword [esp+4+4], os_code ; CS
         jnz    @f
-        mov    esi,system_error
-        call   sys_msg_board_str
+        ;mov    esi,system_error
+        ;call   sys_msg_board_str
+        DEBUGF 1,"%s",system_error
       @@:
         mov    eax, [esp+4] ; EIP
 
         mov    [write_error_to],process_eip+43
         call   writehex
 
-        mov    esi,process_error
-        call   sys_msg_board_str
+        ;mov    esi,process_error
+        ;call   sys_msg_board_str
+        DEBUGF 1,"%s",process_error
 
-        mov    esi,process_pid
-        call   sys_msg_board_str
+        ;mov    esi,process_pid
+        ;call   sys_msg_board_str
+        DEBUGF 1,"%s",process_pid
 
-        mov    esi,process_eip
-        call   sys_msg_board_str
+        ;mov    esi,process_eip
+        ;call   sys_msg_board_str
+        DEBUGF 1,"%s",process_eip
 
         ret
 
@@ -480,8 +484,9 @@ terminate: ; terminate application
            add esp, 4
            ret
 @@:
-           mov    esi,process_terminating
-           call   sys_msg_board_str
+           ;mov    esi,process_terminating
+           ;call   sys_msg_board_str
+           DEBUGF 1,"%s",process_terminating
 @@:
            cli
            cmp   [application_table_status],0
@@ -505,8 +510,9 @@ term9:
 
            push esi
            call [eax+APPOBJ.destroy]
-           mov  esi, msg_obj_destroy
-           call sys_msg_board_str
+           ;mov  esi, msg_obj_destroy
+           ;call sys_msg_board_str
+           DEBUGF 1,"%s",msg_obj_destroy
            pop esi
            jmp @B
 @@:
@@ -807,8 +813,9 @@ term9:
     mov   [DONT_DRAW_MOUSE],byte 0  ; draw mouse
 
     mov   [application_table_status],0
-    mov   esi,process_terminated
-    call  sys_msg_board_str
+    ;mov   esi,process_terminated
+    ;call  sys_msg_board_str
+    DEBUGF 1,"%s",process_terminated
     add esp, 4
     ret
 restore .slot
diff --git a/kernel/trunk/core/taskman.inc b/kernel/trunk/core/taskman.inc
index c17f298748..613200c6ac 100644
--- a/kernel/trunk/core/taskman.inc
+++ b/kernel/trunk/core/taskman.inc
@@ -105,8 +105,9 @@ proc fs_execute
            test eax, eax
            jz .err_hdr
 
-           mov esi, new_process_loading
-           call sys_msg_board_str       ; write message to message board
+           ;mov esi, new_process_loading
+           ;call sys_msg_board_str       ; write message to message board
+           DEBUGF 1,"%s",new_process_loading
 
 .wait_lock:
            cmp [application_table_status],0
@@ -811,8 +812,9 @@ proc new_sys_threads
            mov [app_eip], ebx
            mov [app_esp], ecx
 
-           mov    esi,new_process_loading
-           call   sys_msg_board_str
+           ;mov    esi,new_process_loading
+           ;call   sys_msg_board_str
+           DEBUGF 1,"%s",new_process_loading
 .wait_lock:
            cmp [application_table_status],0
            je .get_lock
@@ -865,8 +867,9 @@ proc new_sys_threads
            stdcall set_app_params ,[slot],eax,dword 0,\
                                          dword 0,dword 0
 
-           mov    esi,new_process_running
-           call   sys_msg_board_str     ;output information about succefull startup
+           ;mov    esi,new_process_running
+           ;call   sys_msg_board_str     ;output information about succefull startup
+           DEBUGF 1,"%s",new_process_running
 
            mov    [application_table_status],0 ;unlock application_table_status mutex
            mov    eax,[process_number]  ;set result
@@ -1061,8 +1064,9 @@ proc set_app_params stdcall,slot:dword, params:dword,\
            mov  eax,[CURRENT_TASK]
            mov  [SLOT_BASE+ebx*8+0xac],eax ;set debugger PID - current
 .no_debug:
-           mov    esi,new_process_running
-           call   sys_msg_board_str     ;output information about succefull startup
+           ;mov    esi,new_process_running
+           ;call   sys_msg_board_str     ;output information about succefull startup
+           DEBUGF 1,"%s",new_process_running
            ret
 endp
 
diff --git a/kernel/trunk/fdo.inc b/kernel/trunk/fdo.inc
index 4c2ba67482..d3d1b0e3ac 100644
--- a/kernel/trunk/fdo.inc
+++ b/kernel/trunk/fdo.inc
@@ -236,7 +236,8 @@ debug_beginf
         pushad
         movzx   ebx,al
         mov     eax,1
-     ;   call    sys_msg_board
+        mov     ecx,sys_msg_board
+        call    ecx ; sys_msg_board
         popad
         ret
 debug_endf
@@ -249,7 +250,8 @@ debug_beginf
         movzx   ebx,byte[edx]
         or      bl,bl
         jz      .l2
-     ;   call    sys_msg_board
+        mov     ecx,sys_msg_board
+        call    ecx ; sys_msg_board
         inc     edx
         jmp     .l1
   .l2:  ret
diff --git a/kernel/trunk/macros.inc b/kernel/trunk/macros.inc
index e37b79bcb2..b7d8f4e232 100644
--- a/kernel/trunk/macros.inc
+++ b/kernel/trunk/macros.inc
@@ -41,8 +41,8 @@ macro diff16 title,l1,l2
   local s,d
   s = l2-l1
   display title,': 0x'
-  repeat 8
-    d = 48 + s shr ((8-%) shl 2) and $0F
+  repeat 16
+    d = 48 + s shr ((16-%) shl 2) and $0F
     if d > 57
       d = d + 65-57-1
     end if