rfft32s.lst

很好得文件

     122 0000001a 77B6              NOP     *,ARP6
     123 0000001b 77BC              NOP     *0--            ; XAR6 ----> WR COS(Angle)--->decrement
     124                              
     125 0000001c 5656              MOV     TL,#0
     126 0000001d 2BAC              MOV     T,#0
     127              ; DC and Nyquist Bins
     128 0000001e 5633              ZAPA                    ; ACC=0,P=0
     129 0000001f 06C2              MOVL    ACC,*XAR2       ; ACC=RP(0), where RP(0)=R(0)
     130 00000020 FF40              SFR     ACC,#1          ; ACC=RP(0)/2
     131 00000021 A3D2              MOVL    P,*+XAR2[2]     ; P=IP(0), where IP(0)=I(0)
     132 00000022 11AC              SUBL    ACC,P<<PM       ; ACC={RP(0)-IP(0)}/2 in Q31
     133 00000023 1E83              MOVL    *XAR3++,ACC     ; GR(N)={RP(0)-IP(0)}/2 in Q31
     134 00000024 AB83              MOVL    *XAR3++,XT      ; GI(N)=0
     135 00000025 DB88              SUBB    XAR3,#8         ; XAR3->R(N-K)
     136              
     137 00000026 07AB              ADDL    ACC,P           ; ACC={RP(0)+IP(0)}/2 in Q31
     138 00000027 1E82              MOVL    *XAR2++,ACC     ; GR(0)={RP(0)+IP(0)}/2
     139 00000028 AB82              MOVL    *XAR2++,XT      ; XAR2->R(k), GI(0)=IM(0)-RM(0), Where IM(0)=RM(0)=0            
     140                          
     141              ; Rest of bins                              
     142 00000029       nextbin:                            ; XAR2->R(k), Where k=1:N/2-1 
     143 00000029 06C2              MOVL    ACC,*XAR2       ; ACC=R(k)
     144 0000002a FF40              SFR     ACC,#1          ; ACC=R(k)/2
     145 0000002b A3C3              MOVL    P,*XAR3         ; P=R(N-k)
     146 0000002c 11AC              SUBL    ACC,P<<PM       ; ACC={R(k)-R(N-k)}/2
     147                          
     148 0000002d 1EC3              MOVL    *XAR3,ACC       ; R(k)=RM(k)={R(k)-R(N-k)}/2
     149 0000002e 07AB              ADDL    ACC,P           ; ACC={R(k)+R(N-k)}/2
     150 0000002f 1EC2              MOVL    *XAR2,ACC       ; R(N-k)=RP(k)={R(k)+R(N-k)}/2
     151                          
     152 00000030 06D2              MOVL    ACC,*+XAR2[2]   ; ACC=I(k)
     153 00000031 FF40              SFR     ACC,#1          ; ACC=I(k)/2
     154 00000032 A3D3              MOVL    P,*+XAR3[2]     ; P=I(N-k)
     155 00000033 11AC              SUBL    ACC,P<<PM       ; ACC={I(k)-I(N-k)}/2
     156                          
     157 00000034 1ED2              MOVL    *+XAR2[2],ACC   ; I(k)=IM(k)={I(k)-I(N-k)}/2
     158 00000035 07AB              ADDL    ACC,P           ; ACC={I(k)+I(N-k)}/2
     159 00000036 1ED3              MOVL    *+XAR3[2],ACC   ; I(N-k)=IP(k)={I(k)+I(N-k)}/2
     160                          
     161 00000037 87C5              MOVL    XT,*XAR5        ; XT=WI(k)
     162 00000038 77BB              NOP     *0++
     163 00000039 5663              QMPYL   ACC,XT,*+XAR3[2]; ACC=WI(k)*IP(k)
TMS320C2000 COFF Assembler PC Version 3.06 Fri Nov 07 10:50:05 2003

Tools Copyright (c) 1996-2002 Texas Instruments Incorporated
rfft32s.asm                                                          PAGE    4

         0000003a 00D3 
     164 0000003b 5667              QMPYL   P,XT,*XAR3      ; P=WI(k)*RM(k)
         0000003c 00C3 
     165 0000003d 8BA9              MOVL    XAR1,ACC        ; XAR1=WI(k)*IP(k)
     166              
     167 0000003e 87C6              MOVL    XT,*XAR6        ; XT=WR(k)
     168 0000003f 77BC              NOP     *0--
     169 00000040 5663              QMPYL   ACC,XT,*+XAR3[2]; P=WR(k)*IP(k)
         00000041 00D3 
     170 00000042 03AB              SUBL    ACC,P           ; ACC=WR(k)*IP(k)-WI(k)*RM(k)
     171                          
     172                          .if(TF_QFMAT==Q30)
     173 00000043 FF30              LSL     ACC,#1          
     174                          .endif
     175              
     176 00000044 A3C2              MOVL    P,*XAR2         ; P=RP(k)
     177 00000045 10AC              ADDL    ACC,P<<PM       ; ACC=RP(k)+WR(k)*IP(k)-WI(k)*RM(k) in Q30
     178 00000046 1E82              MOVL    *XAR2++,ACC     ; GR(k)={RP(k)+WR(k)*IP(k)-WI(k)*RM(k)}/2 in Q31
     179 00000047 FF54              NEG     ACC             ;
     180 00000048 07AB              ADDL    ACC,P           ; ACC=GR(N-k)=RP(k)-WR(k)*IP(k)+WI(k)*RM(k) in Q30
     181 00000049 5667              QMPYL   P,XT,*XAR3      ; P=WR(k)*RM(k)         
         0000004a 00C3 
     182 0000004b 1EC3              MOVL    *XAR3,ACC       ; ACC=GR(N-k)={RP(k)-WR(k)*IP(k)+WI(k)*RM(k)}/2 in Q31
     183                          
     184 0000004c B2A9              MOVL    ACC,XAR1        ; ACC=WI(k)*IP(k)
     185 0000004d FF54              NEG     ACC             ; ACC=-WI(k)*IP(k)
     186 0000004e 03AB              SUBL    ACC,P           ; ACC=-WI(k)*IP(k)-WR(k)*RM(k)
     187              
     188                          .if(TF_QFMAT==Q30)
     189 0000004f FF30              LSL     ACC,#1          ; ACC=(QI*WR-QR*WI) (Q30)
     190                          .endif
     191              
     192 00000050 A3C2              MOVL    P,*XAR2         ; P=IM(k)
     193 00000051 10AC              ADDL    ACC,P<<PM       ; ACC=IM(K)-WI(k)*IP(k)-WR(k)*RM(k) in Q30
     194 00000052 1E82              MOVL    *XAR2++,ACC     ; GI(k)={IM(k)-WI(k)*IP(k)-WR(k)*RM(k)}/2 in Q31
     195 00000053 03AB              SUBL    ACC,P           ; ACC=-IM(K)-WI(k)*IP(k)-WR(k)*RM(k) in Q30
     196 00000054 1ED3              MOVL    *+XAR3[2],ACC   ; GI(N-k)={-IM(k)-WI(k)*IP(k)-WR(k)*RM(k)}/2 in Q31
     197 00000055 DB84              SUBB    XAR3,#4         
     198 00000056 000F              BANZ    nextbin,AR7--   
         00000057 FFD3 
     199                          
     200 00000058 06C2              MOVL    ACC,*XAR2       ; ACC=R(N/2)
     201 00000059 FF40              SFR     ACC,#1          ; ACC=R(N/2)/2
     202 0000005a 1EC2              MOVL    *XAR2,ACC       ; GR(N/2)=R(N/2)/2
     203              
     204 0000005b 06D2              MOVL    ACC,*+XAR2[2]   ; ACC=I(N/2)
     205 0000005c FF54              NEG     ACC             ; ACC=-I(N/2)
     206 0000005d FF40              SFR     ACC,#1          ; ACC=-I(N/2)/2
     207 0000005e 1ED2              MOVL    *+XAR2[2],ACC   ; GI(N/2)=-I(N/2)/2         
     208              
     209 0000005f FF69              SPM     0               
     210 00000060 82BE              POP     XAR3            ; Context Restore
     211 00000061 86BE              POP     XAR2
     212 00000062 8BBE              POP     XAR1 
     213 00000063 0006              LRETR
TMS320C2000 COFF Assembler PC Version 3.06 Fri Nov 07 10:50:05 2003

Tools Copyright (c) 1996-2002 Texas Instruments Incorporated
rfft32s.asm                                                          PAGE    5

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No Assembly Errors, No Assembly Warnings