(完整版)基于CCS的軟件仿真正弦三角余弦任意波形匯編語言

1、.title "fountionout.asm.mmregs.def.global_c_int00sinx,d_xs,d_sinx,cosx,d_xc,d_cosx,sinx_out,rect_out,tria_outsin_x:STACK:interval.set.usect.usect1.bss.bss"sin_x",360"STACK",10count,1output,1800_c_int00:;end:STbSTMSTMCMPMBCCMPMBCCMPMBCCMPMBC nop nop#0,end*(count)#STACK+10,SP#

2、2,AR7AR7, #3 rect_sub,TCAR7,#2tria_sub,TCAR7, #1 sin_sub,TCAR7, #4 rand_sub,TC;#3 產(chǎn)生方波;#2 產(chǎn)生三角波; 1 產(chǎn)生正弦信號(hào); 4產(chǎn)生隨機(jī)信號(hào)sin_sub: nop rect_sub: noptria_sub: nop;rand_sub:;nop CALLBnop CALLnopnop Bnop CALLnop nop Bnop nop callrandsinx_outconrect_outcontria_outcon;nopnopcon:STM#sin_x,AR5STMinterval,AR0STM#36

3、0,BKSTM#output,AR2loop4:MVDD*AR5+0%,*AR2+ADDM #1,*(count)CMPM *(count), 1800NOPNOPBCdone,tcbloop4done:bdone* 產(chǎn)生sin 函數(shù)sinx_out:k_stheta.set286;theta=pi/360(0.5deg.).textSTMk_stheta,AR0 ;AR0->k_sthetaSTM0,AR1;AR1=xSTM#sin_x,AR6STM#90,BRC;from sin0-sin90(deg)RPTBloop1-1LDMAR1,ALD#d_xs,DPSTLA,d_xsSTL

4、A,d_xcCALLsinx;(d_sinx)=sin(x)CALLcosx;(d_cosx)=cos(x)LD#d_sinx,DPLDd_sinx,16,A;A=sin(x)MPYAd_cosx;B=sin(x)*cos(x)STHB,1,*AR6+;AR6->2*sin(x)*cos(x)MAR*AR1+0;每次增加0.5loop1:STM#sin_x+89,AR7 ;sin(91)-sin(179)STM#88,BRCRPTBloop2-1LD*AR7-,ASTLA,*AR6+loop2:STM#179,BRC;sin(180)-sin(359)STM#sin_x,AR7RPTBl

5、oop3-1*AR7+,ALDNEGASTLA,*AR6+loop3:RET*sin(theta)=x(1-xA2/2*3(1-xA2/4*5(1-xA2/6*7(1-xA2/8*9)sinx:d_xs,d_sinx.def.datatable_s.word01c7h;1/(8*9).word030bh;1/(6*7).word0666h;1/(4*5).word1556h;1/(2*3)d_coef_s .usect"coef_s",4d_xs.usect"sin_vars",1d_squr_xs .usect"sin_vars",

6、1d_temp_s .usect"sin_vars",1d_sinx.usect"sin_vars",1c_1_s.usect"sin_vars",1.textSSBXFRCTSTM#d_coef_s,AR5RPT#3MVPD#table_s,*AR5+STM#d_coef_s,AR3STM#d_xs,AR2STM#c_1_s,AR4ST#7FFFh,c_1_s ;7fffh=1SQUR*AR2+,ASTA,*AR2|LD*AR4,BMASR*AR2+,*AR3+,B,AMPYAASTHA,*AR2;AR2->d_temp_sM

7、ASR*AR2-,*AR3+,B,AMPYA*AR2+STB,*AR2|LD*AR4,BMASR*AR2-,*AR3+,B,AMPYA*AR2+STB,*AR2|LD*AR4,BMASR*AR2-,*AR3+,B,AMPYAdxsSTHRETB,d_sinx*cos(theta)=1-xA2/2(1-xA2/3*4(1-xA2/5*6(1-xA2/7*8)cosx:.defd_xc,d_cosxd_coef_c .usect"coef_c",4.datatable_c.word0249h;1/(7*8).word0444h;1/(5*6).word0aabh ;1/(3*4

8、).word4000h;1/2d_xc.usect"cos_vars",1d_squr_xc.usect"cos_vars",1d_temp_c .usect"cos_vars",1d_cosx.usect"cos_vars",1c_1_c.usect"cos_vars",1.textSSBXFRCTSTM#d_coef_c,AR5RPT#3MVPD#table_c,*AR5+STM#d_coef_c,AR3STM#d_xc,AR2STM#c_1_c,AR4ST#7FFFh,c_1_cSQUR*

9、AR2+,ASTA,*AR2|LD*AR4,BMASR*AR2+,*AR3+,B,AMPYAASTHA,*AR2MASR*AR2-,*AR3+,B,AMPYA*AR2+STB,*AR2|LD*AR4,BMASR*AR2-,*AR3+,B,ASFTAA,-1,ANEGAMPYA*AR2+MAR*AR2+RETDADD*AR4,16,BSTHB,*AR2RETrect_out:k_rtheta.set7FFFh;theta=pi/180(1deg.).textLD#7FFFh,A;LD#4000h,ASTM#sin_x,AR6STM#180,BRCRPTBloopr1-1STLA,*AR6+loo

10、pr1:STM#180,BRCRPTBloopr3-1LD#0h,A;LD#0C000h,ASTLA,*AR6+loopr3:RETtria_out:k_ttheta.set364.textssbxfrct;theta=1/90(0.5deg.)ST#0,*(count)*LD#-1,ALD#0,ASTM#STACK+10,SPSTMk_ttheta,AR0STM0,AR1STM#sin_x,AR6STLA, *AR6+STM#89,BRCRPTBloopt1-1ADDAR0,ASTLA,*AR6+loopt1:STM#sin_x+89,AR7STM#89,BRCRPTBloopt2-1LD*AR7-,ASTLA,*AR6+loopt2:STM#178,BRCSTM#sin_x+1,AR7RPTBloopt3-1LD*AR7+,ANEGASTLA,*AR6+loopt3:STM#sin_x,AR5STMinterval,AR0STM#360,BKSTM#outpu