sqrt.lst

入门级的开方程序

TMS320C3x/4x COFF AssemblerVersion 5.12     Tue Jun 17 19:51:49 2008
Copyright (c) 1987-1999 Texas Instruments Incorporatedasm30 sqrt.asm sqrt.obj -ls -v30 

sqrt.asm                                                             PAGE    1

        1 00000000                                  .sect"reset"
        2 00000000 00000000'reset:          .word   init
        3 00000000                                  .text
        4 00000000 08700080 init:           ldi             80h,dp
        5 00000001 08751800                         ldi             1800h,st
        6 00000002 08340000"                        ldi             @STCK,sp
        7 00000003 08280002"                        ldi             @MCTL,ar0
        8 00000004 08200001"                        ldi             @MBUS,r0
        9 00000005 1540c000                         sti             r0,*ar0
       10 00000006          main:           ;ldi            @OPR,ar1
       11 00000006 07200005"                        ldf             @OPERATOR,r0
       12 00000007 6200000c'                        call    sqrt
       13 00000008 07040000                         ldf             r0,r4
       14 00000009 08280003"                        ldi             @RESULT,ar0
       15 0000000a 1444c000                         stf             r4,*ar0
       16 0000000b 6000000b'                        br              $
       17 0000000c 07030000 sqrt:           ldf             r0,r3
       18                                           ;retsle 
       19 0000000d 0fa00000                         pushf   r0
       20 0000000e 0e210000                         pop             r1
       21 0000000f 03e1ffe8                         ash             -24,r1
       22 00000010 02610001                         addi    1,r1
       23 00000011 03e1ffff                         ash             -1,r1
       24 00000012 0c010001                         negi    r1,r1
       25 00000013 03e10018                         ash             24,r1
       26 00000014 0f210000                         push    r1
       27 00000015 0ea10000                         popf    r1
       28 00000016 0a60f000                         mpyf    0.5,r0
       29 00000017 24820101                         mpyf3   r1,r1,r2
       30 00000018 0a020000                         mpyf    r0,r2
       31 00000019 19620400                         subrf   1.5,r2
       32 0000001a 0a010002                         mpyf    r2,r1
       33 0000001b 11010001                         rnd             r1,r1
       34 0000001c 24820101                         mpyf3   r1,r1,r2
       35 0000001d 0a020000                         mpyf    r0,r2
       36 0000001e 19620400                         subrf   1.5,r2
       37 0000001f 0a010002                         mpyf    r2,r1
       38 00000020 11010001                         rnd             r1,r1
       39 00000021 24820101                         mpyf3   r1,r1,r2
       40 00000022 0a020000                         mpyf    r0,r2
       41 00000023 19620400                         subrf   1.5,r2
       42 00000024 0a010002                         mpyf    r2,r1
       43 00000025 11010001                         rnd             r1,r1
       44 00000026 24820101                         mpyf3   r1,r1,r2
       45 00000027 0a020000                         mpyf    r0,r2
       46 00000028 19620400                         subrf   1.5,r2
       47 00000029 0a010002                         mpyf    r2,r1
       48 0000002a 11010001                         rnd             r1,r1
       49 0000002b 24820101                         mpyf3   r1,r1,r2
       50 0000002c 0a020000                         mpyf    r0,r2
       51 0000002d 19620400                         subrf   1.5,r2
       52 0000002e 0a010002                         mpyf    r2,r1
       53 0000002f 11000001                         rnd             r1,r0
       54 00000030 0a000003                         mpyf    r3,r0
TMS320C3x/4x COFF AssemblerVersion 5.12     Tue Jun 17 19:51:49 2008
Copyright (c) 1987-1999 Texas Instruments Incorporatedasm30 sqrt.asm sqrt.obj -ls -v30 

sqrt.asm                                                             PAGE    2

       55 00000031 78800000                         rets
       56                                   
       57 00000000                                  .data
       58 00000000 00809e00 STCK            .word   809e00h
       59 00000001 00001038 MBUS            .word   1038h
       60 00000002 00808064 MCTL            .word   808064h
       61 00000003 00804000 RESULT          .word   804000h
       62 00000004 00000005"OPR                     .word   OPERATOR        
       63 00000005 06480000 OPERATOR        .float  100
       64                                           .end                    

 No Errors,  No Warnings