DSP实验指导书----实验报告部分.doc

一、(~)。。二、实验条件 本实验为上机实验,S5000仿真器即可。三、实验内容编辑数据寻址实验所需的三个文件。按实验步骤完成实验,并将实验结果填写在有关指令的右侧。七种数据寻址方式的参考代码;********************************;实验1数据寻址方式;******************************** .title"" . ".STACK", ".ddate".word22h,33h,44h,55h,66h,77h,88h,99h .bss x, y,: .word 1,2,3,4,5,6,7,8 .def _c_int00 ;start .text_c_int00: STM#0,SWWSRSTM #STACK+10h,SPSSBXSXMSSBXFRCT;********************************;ImmediateAddressing;********************************LD #100,A ;A=100(64H) LD #10h,4,B ;B=100H LD #-1,A ;A=FFFFFFFFH LD #4000h,8,B ;B=400000H;********************************;AbsoluteAddressing;******************************** .bsssa,1 LD #4AB8h,ASTLA,*(SAMPLE) ;SAMPLE中内容为:4AB8HSTLA,*(sa) ;sa中内容为:4AB8H STM #x,AR2;AR2=60H RPT #4 MVPD table,*AR2+;从x开始的5个数据为:1,2,3,4,5;AR2=65H STM #y,AR2;AR2=6AH RPT #4MVKDddate,*AR2+;从y开始的5个数据为:22H,33H,44H,55H,66H;AR2=6FH;********************************;AccumulatorAddressing;******************************** LD #table,A;A=FFFFFFE06FH STM #y,AR2;AR2=6AH RPT #4 READA *AR2+ ;从y开始的5个数据为1,2,3,4,5;AR2=6FH ;********************************;DirectAddressing;******************************** ST #0001h,*(x) ;(0060H)=0001H ST #400h,*(x+1) ;(0061)=0400H ST #1000h,*(x+127) ;(00DF)=1000H ST #500h,*(x+129) ;(00E1)=500H LD #x,DP;DP=0000H LD ***@x,A;A=0001H ADD @(x+129),A ;A=0401H LD ***@x,A;A=0001H LD #(x+129),DP ;DP=0001H ADD @(x+129),A ;A=0501H;****************************************;IndirectAddressing;**************************************** ST #1000h,*(0060h);(0060h)=1000H ST #2000h,*(0061h);(0061h)=2000H ST #3000h,*(0062h);(0062h)=3000H ST #4000h,*(0063h);(0063h)=4000H LD #1000h,A ;A=1000H STM #0060h,AR1;AR1=0060HLD*AR1+,A ;A=1000H;AR1=0061HSTM #0063h,AR1;AR1=0063HLD*AR1-,A ;A=4000H;AR1=0062HSTM#2,AR0;AR0=0002HSTM #0062h,AR1;AR1=0062HLD*AR1-0,A ;A=3000H;AR1=0060H LD *AR1,B ;B=1000H;****************************************;Memory-MappedRegisterAdd