rmp2cntl.lst

TI的digital motor control lib的源代码。了解TI的编程规范

     111 0010 1080                  LACC    *       ; Accumulator = Delay_cntr.
     112                                            ; ARP = AR3. AR3-> Delay_cntr. AR4-> Out.
     113            ;--------------------------------------------------------------------------------
     114 0011 b801                  ADD     #1      ; Accumulator = Delay_cntr+1. 
     115                                            ; ARP = AR3. 
     116                                            ; AR3-> Delay_cntr.
     117                                            ; AR4-> Out
     118            ;--------------------------------------------------------------------------------
     119 0012 9090                  SACL    *-      ; Delay_cntr =Delay_cntr+1.
     120                                            ; ARP = AR3. AR3-> Dly.   AR4-> Out.
     121            ;--------------------------------------------------------------------------------
     122 0013 30a0                  SUB     *+      ; Accumulator = Delay_cntr - Dly.
     123                                            ; ARP = AR3. AR3  -> Delay_cntr.
     124                                            ; AR4-> Out.
     125            ;--------------------------------------------------------------------------------
     126 0014 e344                  BCND    rmp2_calc_exit,LT       
         0015 0030' 
     127                                            ; ARP = AR3. AR3  -> Delay_cntr.  AR4-> Out.
     128                                            ; If (Delay_cntr < Dly),goto RMP2_calc_exit.
     129            ;--------------------------------------------------------------------------------
     130 0016 ae8c                  SPLK    #0, * ,AR4              
         0017 0000  
     131                                            ; Reset Delay_cntr. 
     132                                            ; ARP = AR4.  AR3  -> Delay_cntr. AR4-> Out.
     133            ;-------------------------------------------------------------------------------- 
     134 0018       RMP2_Chng_Rmp2:   
     135            
     136 0018 1090                  LACC    *-      ; Accumulator = Out.
     137                                            ; ARP = AR4.  AR3-> Delay_cntr.  AR4-> Desired.
     138            ;--------------------------------------------------------------------------------
     139 0019 30a0                  SUB     *+      ; Accumulator = Out - Desired.
     140                                            ; ARP = AR4.   AR3-> Delay_cntr.  AR4-> Out.
     141            ;--------------------------------------------------------------------------------
     142 001a e344                  BCND    RMP2_Inc_Rmp2, LT            
         001b 0027' 
     143                                            ; If (Out < Desired) goto INC_RMP2.
     144                                            ; ARP = AR4.  AR3-> Delay_cntr.  AR4-> Out.
     145            ;--------------------------------------------------------------------------------
     146 001c       RMP2_Dec_Rmp2: 
     147            
     148 001c 1080                  LACC    *       ; Accumulator = Out.  AR4-> Out.
     149                                            ; ARP = AR4.  AR3-> Delay_cntr.  AR4-> Out.
     150            ;--------------------------------------------------------------------------------
     151 001d ba01                  SUB     #1      ; Decrement the contents of Accumulator by one.
     152                                            ; ARP = AR4.  AR3-> Delay_cntr.  AR4-> Out.
     153            ;--------------------------------------------------------------------------------
     154 001e 908b                  SACL    * ,AR3  ; Decrement Out by one
     155                                            ; ARP = AR3.  AR3-> Delay_cntr.  AR4-> Out.
     156            ;--------------------------------------------------------------------------------
     157 001f 7c02                  SBRK    #2      ; ARP = AR3. AR3-> Min. AR4-> Out.
TMS320C1x/C2x/C2xx/C5x COFF Assembler Version 7.00  Tue May  6 12:41:19 2003
Copyright (c) 1987-1999  Texas Instruments Incorporated 
rmp2cntl.asm                                                         PAGE    4

     158            ;--------------------------------------------------------------------------------
     159 0020 3080                  SUB     *       ; Accumulator = Out- Min.
     160                                            ; ARP = AR3.  AR3-> Min. AR4-> Out.
     161            ;--------------------------------------------------------------------------------
     162 0021 e38c                  BCND rmp2_calc_exit ,GEQ     
         0022 0030' 
     163                                            ; If(Out >= Min) goto RMP2_calc_exit.
     164                                            ; ARP = AR3.  AR3-> Min. AR4-> Out.
     165            ;--------------------------------------------------------------------------------
     166 0023 108c                  LACC    * ,AR4  ; Accumulator = Min.
     167                                            ; ARP = AR4.  AR3-> Min.  AR4-> Out.
     168            ;--------------------------------------------------------------------------------
     169 0024 9080                  SACL    *       ; Out = Min.
     170                                            ; ARP = AR4.  AR3-> Min.  AR4-> Out.
     171            ;--------------------------------------------------------------------------------
     172 0025 7980                  B       rmp2_calc_exit          
         0026 0030' 
     173                                            ; Goto RMP2_calc_exit.
     174                                            ; ARP = AR4.  AR3-> Min.  AR4-> Out.
     175            ;--------------------------------------------------------------------------------
     176                                            ;  ARP = AR4.  AR3-> Delay_cntr.  AR4-> Out.      
     177 0027       RMP2_Inc_Rmp2:                
     178 0027 1080                  LACC    *       ; Accumulator= Out. 
     179                                            ; ARP = AR4.  AR3->Delay_cntr.  AR4-> Out.
     180            ;--------------------------------------------------------------------------------
     181 0028 b801                  ADD    #1       ; Contents of  Accumulator is incremented by one.
     182                                            ; ARP = AR4.  AR3->Delay_cntr.  AR4-> Out.
     183            ;--------------------------------------------------------------------------------
     184 0029 908b                  SACL    * ,AR3  ; Increment Out by one.
     185                                            ; ARP = AR3.  AR3-> Delay_cntr.  AR4-> Out.
     186            ;--------------------------------------------------------------------------------
     187 002a 7c03                  SBRK    #3      ; ARP = AR3.  AR3-> Max.  AR4-> Out.
     188            ;--------------------------------------------------------------------------------
     189 002b 3080                  SUB     *       ; Accumulator = Out - Max.
     190                                            ; ARP = AR3.  AR3-> Max.  AR4-> Out.
     191            ;--------------------------------------------------------------------------------
     192 002c e3cc                  BCND rmp2_calc_exit ,LEQ     
         002d 0030' 
     193                                            ; If(Out <= Max) goto RMP2_calc_exit.
     194                                            ; ARP = AR3.  AR3-> Max.  AR4-> Out.
     195            ;--------------------------------------------------------------------------------
     196 002e 108c                  LACC    *,AR4   ; Accumulator = Max.  
     197                                            ; ARP = AR4.  AR3-> Max.  AR4-> Out.
     198            ;--------------------------------------------------------------------------------
     199 002f 9080                  SACL    *       ; Max = Out.  ARP = AR4.  AR3-> Max.  AR4-> Out.
     200            ;--------------------------------------------------------------------------------
     201 0030       rmp2_calc_exit:
     202                                            ; Retrieve FP and SP of parent function.
     203 0030 8b89      MAR * , AR1                 ; set ARP = SP before you exit.
     204 0031 7c02      SBRK #(__RMP2_framesize+1) 
     205                                            ; Deallocate frame, point to saved FP.
     206                      
     207                .if (RETURN_ADDRESS_SAVE = ON)       
     208 0032 0090      LAR AR0, *-                 ; Restore frame pointer.
TMS320C1x/C2x/C2xx/C5x COFF Assembler Version 7.00  Tue May  6 12:41:19 2003
Copyright (c) 1987-1999  Texas Instruments Incorporated 
rmp2cntl.asm                                                         PAGE    5

     209 0033 7680      PSHD *                      ; Push return address on Hardware stack.               
     210                .endif  
     211                   
     212                .if (RETURN_ADDRESS_SAVE = OFF)     
     213                LAR AR0, *                  ; Restore frame pointer.
     214                .endif       
     215                   
     216 0034 ef00      RET                         ; Return to the Parent Function
     217               
     218                  .end

 No Errors,  No Warnings