os_cpu_a.lst

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A51 MACRO ASSEMBLER  OS_CPU_A                                                             10/30/2008 20:18:22 PAGE     1


MACRO ASSEMBLER A51 V8.00
OBJECT MODULE PLACED IN OS_CPU_A.OBJ
ASSEMBLER INVOKED BY: C:\KEIL\C51\BIN\KE51.EXE OS_CPU_A.ASM SET(LARGE) DEBUG EP

LOC  OBJ            LINE     SOURCE

                       1     
                       2     
                       3     
                       4     
                       5     
                       6     
                       7     
                       8     
                       9     
                      10     
                      11     
                      12     
                      13     
                      14     
                      15     
                      16     
                      17     
                      18     
                      19     
                      20     
                      21     
                      22     
                      23     
  00AF                24     EA      BIT     0A8H.7
  0081                25     SP      DATA    081H
  00F0                26     B       DATA    0F0H
  00E0                27     ACC     DATA    0E0H
  0083                28     DPH     DATA    083H
  0082                29     DPL     DATA    082H
  00D0                30     PSW     DATA    0D0H
  008C                31     TR0     BIT     088H.4
  008C                32     TH0     DATA    08CH
  008A                33     TL0     DATA    08AH
                      34     
                      35             NAME OS_CPU_A    
                      36             
                      37     
                      38     ?PR?OSStartHighRdy?OS_CPU_A    SEGMENT CODE
                      39     ?PR?OSCtxSw?OS_CPU_A           SEGMENT CODE
                      40     ?PR?OSIntCtxSw?OS_CPU_A        SEGMENT CODE
                      41     ?PR?OSTickISR?OS_CPU_A         SEGMENT CODE
                      42     
                      43     ?PR?_?serial?OS_CPU_A          SEGMENT CODE
                      44             
                      45     
                      46             EXTRN DATA  (?C_XBP)     
                      47     
                      48             EXTRN IDATA (OSTCBCur)
                      49             EXTRN IDATA (OSTCBHighRdy)
                      50             EXTRN IDATA (OSRunning)
                      51             EXTRN IDATA (OSPrioCur)
                      52             EXTRN IDATA (OSPrioHighRdy)
                      53         
                      54             EXTRN CODE  (_?OSTaskSwHook)
                      55             EXTRN CODE  (_?serial)
                      56             EXTRN CODE  (_?OSIntEnter)
                      57             EXTRN CODE  (_?OSIntExit)
                      58             EXTRN CODE  (_?OSTimeTick)        
A51 MACRO ASSEMBLER  OS_CPU_A                                                             10/30/2008 20:18:22 PAGE     2

                      59                 
                      60     
                      61             PUBLIC OSStartHighRdy
                      62             PUBLIC OSCtxSw
                      63             PUBLIC OSIntCtxSw
                      64             PUBLIC OSTickISR
                      65             
                      66             
                      67         
                      68     
                      69     ?STACK SEGMENT IDATA
----                  70             RSEG ?STACK
0000                  71     OSStack:
0000                  72             DS 40H
  FFFF                73     OSStkStart IDATA OSStack-1
                      74     
                      75     
                      76     PUSHALL    MACRO
                      77             PUSH PSW
                      78             PUSH ACC
                      79             PUSH B
                      80             PUSH DPL
                      81             PUSH DPH
                      82             MOV  A,R0   
                      83             PUSH ACC
                      84             MOV  A,R1
                      85             PUSH ACC
                      86             MOV  A,R2
                      87             PUSH ACC
                      88             MOV  A,R3
                      89             PUSH ACC
                      90             MOV  A,R4
                      91             PUSH ACC
                      92             MOV  A,R5
                      93             PUSH ACC
                      94             MOV  A,R6
                      95             PUSH ACC
                      96             MOV  A,R7
                      97             PUSH ACC
                      98             
                      99             ENDM
                     100         
                     101     POPALL    MACRO
                     102             
                     103             POP  ACC    
                     104             MOV  R7,A
                     105             POP  ACC
                     106             MOV  R6,A
                     107             POP  ACC
                     108             MOV  R5,A
                     109             POP  ACC
                     110             MOV  R4,A
                     111             POP  ACC
                     112             MOV  R3,A
                     113             POP  ACC
                     114             MOV  R2,A
                     115             POP  ACC
                     116             MOV  R1,A
                     117             POP  ACC
                     118             MOV  R0,A
                     119             POP  DPH
                     120             POP  DPL
                     121             POP  B
                     122             POP  ACC
                     123             POP  PSW
                     124             ENDM
A51 MACRO ASSEMBLER  OS_CPU_A                                                             10/30/2008 20:18:22 PAGE     3

                     125         
                     126     
                     127     
----                 128             RSEG ?PR?OSStartHighRdy?OS_CPU_A
0000                 129     OSStartHighRdy:
                     130             USING 0    
0000 120000   F      131             LCALL _?OSTaskSwHook
                     132     
0003                 133     OSCtxSw_in:
                     134         
                     135             
0003 7800     F      136             MOV  R0,#LOW (OSTCBCur) 
0005 08              137             INC  R0
0006 8683            138             MOV  DPH,@R0    
0008 08              139             INC  R0
0009 8682            140             MOV  DPL,@R0
                     141         
                     142             
000B A3              143             INC  DPTR        
000C E0              144             MOVX A,@DPTR     
000D F8              145             MOV  R0,A
000E A3              146             INC  DPTR
000F E0              147             MOVX A,@DPTR
0010 F9              148             MOV  R1,A
0011 8883            149             MOV  DPH,R0
0013 8982            150             MOV  DPL,R1
                     151         
                     152             
0015 E0              153             MOVX A,@DPTR     
0016 FD              154             MOV  R5,A        
                     155         
                     156             
0017 7800     F      157             MOV  R0,#OSStkStart
                     158             
0019                 159     restore_stack:
                     160         
0019 A3              161             INC  DPTR
001A 08              162             INC  R0
001B E0              163             MOVX A,@DPTR
001C F6              164             MOV  @R0,A
001D DDFA            165             DJNZ R5,restore_stack
                     166         
                     167             
001F 8881            168             MOV  SP,R0
                     169         
                     170             
0021 A3              171             INC  DPTR
0022 E0              172             MOVX A,@DPTR
0023 F500     F      173             MOV  ?C_XBP,A    
0025 A3              174             INC  DPTR
0026 E0              175             MOVX A,@DPTR
0027 F500     F      176             MOV  ?C_XBP+1,A  
                     177         
                     178             
0029 7800     F      179             MOV  R0,#LOW (OSRunning)
002B 7601            180             MOV  @R0,#01
                     181         
                     182             POPALL