DSP实验程序Word格式.docx

1、置堆栈指针 SSBX INTM ;禁止中断bk0: ST #0012h,DAT0 LD #0023h,A ADD DAT0,A ;加法操作: A = A + DAT0 NOPbk1: ST #0054h, DAT0 LD #0002h,A SUB DAT0,A ;减法操作: A = A - DAT0bk2: ST #0345h,DAT0 STM #0002h,T MPY DAT0,A ;乘法操作: A = DAT0 * Tbk3: ST #1000h,DAT0 ST #0041h,DAT1 RSBX SXM;无符号除法操作: DAT0 DAT1 ; 结果: DAT2:商; DAT3:余数 LD

2、 DAT0,A RPT #15 SUBC DAT1,A STL A,DAT2 STH A,DAT3bk4: ST #0333h,DAT0 SQUR DAT0,A ;平方操作: A = DAT0 * DAT0bk5: ST #0034h,DAT0 ST #0243h,DAT1 ST #1230h,DAT2 ADD3 DAT0,DAT1,DAT2,DAT3 ;三数相加操作: DAT3 = DAT0 + DAT1 + DAT2bk6: B bk0 ;循环执行 .end实验二、寻址实验 ex2.asm * 数据存储器和程序存储器实验 * Copyright（C） SanZhi Electronic,

3、Author Zpin *ex2 .global reset,_c_int00DAT0 .set 00HDAT1 .set 01HDAT2 .set 02HDAT3 .set 03HDDAT0 .set 2004HDDAT1 .set 2005HDDAT2 .set 2006HDDAT3 .set 2007HPDAT0 .set 1f00HPDAT1 .set 1f01HPDAT2 .set 1f02HPDAT3 .set 1f03H .sect .vectors ;中断向量表reset: B _c_int00 ;复位向量 .space 4*126DELAY .macro COUNT STM

4、COUNT,BRC RPTB delay?delay?: NOP .endm LD #40h,DP ;置数据页为2000h207Fh STM #3000h,SP ; STM #07FFFh,SWWSR ;置外部等待时间 SSBX XF ;置XF以实现二极管闪烁 DELAY #0FFFFh RSBX XF SSBX XF ;b bk0 ST #1234h,DAT0 ;立即数寻址 ST #5678h,*（DDAT1） MVDK DAT0,DDAT0 ;绝对地址（dmad）寻址 MVKD DDAT1,DAT1 MVDP DAT0,PDAT0 ;绝对地址（pmad）寻址 MVDP DAT1,PDAT1

5、 LD #PDAT1,A ;累加器寻址 READA DAT2 ST #3210h,DAT3 ;直接寻址（DP指针） SSBX CPL ST #9876h,DAT3 ;直接寻址（SP指针） RSBX CPLbk7: STM #DDAT3,AR0 ;间接寻址 ST #9876h,*AR0bk8: STM #8888h,T ;存储器映射寄存器寻址bk9: PSHM T ;堆栈寻址 POPM Tbk10: STM #4000h,AR0 ;程序存储器到数据存储器的复制 RPT #100h MVPD 1000H,*AR0+bk11: B _c_int00实验三、硬件中断实验 ex6.asm * 硬件中断实

6、验 *ex6 .global _c_int00KEY_ADDR .set 0a008hD_LED_ADDR .set 0b000hKEY_CODE1 .set 60hKEY_CODE2 .set 61hCONVERT .macro rawdata STM #4000h,AR3 ANDM #001Fh,rawdata LD rawdata,A ADD AR3,A STL A,AR3 nop LD *AR3,A STL A,rawdata .endm .data .word 00h,3F06h,0605h,5B04h,4f03h,6602h,6d01h,7d06h,0705h,7f04h,6f03

7、h,07702h,07c01h,3906h,5e05h,07904h,07103h,8002h ;BCD CODE 0 1 2 3 4 5 6 7 8 9 a b c d e f .hight 8 bit enable,low 8 bit is address .sect rst: .space 17*4*16int2: B _onkey .space 13*4*16 LD #0h,DP STM #3000h,SP SSBX INTM ssbx XF STM #07FFFh,SWWSR ST #0000h,KEY_CODE2 STM #0ffffh,IFR ORM #0004h,IMR RSB

8、X INTMsusp: PORTW KEY_CODE2,D_LED_ADDR ;显示到数码管 rpt #0ffffh B susp_onkey: nop nop PORTR KEY_ADDR,KEY_CODE2 ;读取按键 CONVERT KEY_CODE2 ;将按键码转换成显示码exit rpt #0ffffh RETE实验四、定时器实验 ex7.asm * 定时器实验 * .title ex7PERSEC .set 60hSEC .set 61hMIN .set 62hSTATUS .set 63hTMP0 .set 64hTMP1 .set 65hTMP .set 66hD_LED .s

9、et 0b000h;D_LED0 .set 01hD_LED1 .set 02hD_LED2 .set 03hD_LED3 .set 04hD_LED4 .set 05hD_LED5 .set 06hD_LED0 .set 06hD_LED1 .set 05hD_LED2 .set 04hD_LED3 .set 03hD_LED4 .set 02hD_LED5 .set 01hLED_DISP .macro hexdata,portaddr LD hexdata,B ST #0Ah,TMP0 SUBC TMP0,B STH B,TMP0 ;存放BCD码个位 STL B,TMP1 ;存放BCD码

10、十位 ST #2000h,AR0 LD TMP0,B ADD AR0,B STL B,AR0 LD *AR0,A OR #portaddr+1,A ;计算位码 PORTW AL,D_LED rpt #30000 LD TMP1,B OR #portaddr,A ; .endm 段码 .word 3F00h,0600h,5B00h,4f00h,6600h,6d00h,7d00h,0700h,7f00h,6f00h .space 15*4*16int0: B keydown .space 2*4*16tint: B timeout .space 12*4*16_c_int00 RSBX SXM s

11、tm #0001h,2Bh ST #0h,CLKMDtst: BITF CLKMD,#1h BC tst,TC ST #1087h,CLKMD BITF CLKMD,#1h RPT #0FFh ORM #0010h,TCR ST #19999,PRD ORM #0009h,TCR ORM #0020h,TCR ST #0FFFFh,IFR ORM #0008h,IMR ST #0,PERSEC ST #0,SEC ST #0,MIN ST #1,STATUS LED_DISP PERSEC,D_LED1 LED_DISP MIN,D_LED5 LED_DISP SEC,D_LED3 ANDM

12、#0FFEFh,TCRsusp noptimeout ADDM #1,PERSEC LD #100,A SUB PERSEC,A BC secout,ALEQ B exitsecout ST #0,PERSEC ADDM #1,SEC LD #60,A SUB SEC,A BC minout,ALEQ B exitminout ST #0,SEC ADDM #1,MIN LD #100,A SUB MIN,A BC overflow,ALEQoverflow ORM #0030h,TCR ;Stop and Reload Timer ST #0,STATUS ;Set stopfalgexit LED_DISP MIN,D_LED5 RETE keydown ST 0ffffh,IFR ORM #0030h,TCR BITF STATUS,#1h BC restart,NTCrestart ST #0,PERSEC LED_DISP PERSEC,D_LED1 ;刷新1/100秒表 LED_DISP SEC,D_LED3 ;刷新秒表 LED_DISP MIN,D_LED5 ;刷新分钟 .end