单片机实验报告 二.doc

单片机实验报告 二班级：信息工程（微波通信方向）姓名：肖丽 学号：1195111040 时间:2013.10.29 地点：工学院单片机实验室 实验题目： 第三章课后习题练习 一、 实验目的1. 掌握Keil集成开发环境基本使用方法；2. 掌握学林51mini仿真器和下载（编程）器的基本使用方法。二、 实验主要仪器及环境：硬件：学林51mini仿真器和下载（编程）器软件：Keil mVision2、XLISP三、 实验内容 P85.6、8、P77有关的极值排序的程序四、 实验步骤 1.将P85.6修改存到自己的文件内，用软件仿真。2.编写P85.8的程序，然后存到自己的文件里，用软件仿真。3.编写P77有关的极值排序的程序，然后存到自己的文件里，用软件仿真。五、 实验流程框图、实验程序 P85.6已知程序执行前有A=02H，SP=42H，（41H）=FFH，（42H）=FFH。下述程序执行后， A=(80H)；SP=(42H)；（41H）=(50H)；（42H）=(80H)；PC=(001EH)。ORG 0000HMOV A,#02HMOV SP,#42HMOV 41H,#0FFH MOV 41H,#0FFHPOP DPHPOP DPLMOV DPTR,#3000HRL AMOV B,AMOVC A,A+DPTRPUSH ACCMOV A,BINC AMOVC A,A+DPTRPUSH ACCSJMP $ORG 3000HDB 10H,80H,30H,80H,50H,80HEND置DPTR为3000HA循环左移AB (SP)+1SP,ASP 返回BA (DPTR)+ (A)A 开始对初始值赋值(A)+1A (SP)+1SP,ASP (DPTR)+ (A)A P85.8试编写程序，查找在内部RAM的20H40H单元中出现“00H”这一数据的次数。并将查找到的结果存入41H单元。 ORG 0000HSTART: MOV 41H,#00H MOV R0,#20H MOV R2,#21HLOOP: MOV A,R0 JNZ NEXT INC 41HNEXT: INC R0 DJNZ R2,LOOP SJMP $ENDRO数据区首地址R2数据个数41H00HA为0?读第一个数送A结束41(41H)+1开始YR0(R0)+1R2-1为0?NYN数据升序排序 ORG 0000H MOV 30H,#14H MOV 31H,#13H MOV 32H,#12H MOV 33H,#11H MOV 34H,#10H MOV 35H,#0FH MOV 36H,#0EH MOV 37H,#0DH MOV 38H,#0CH MOV 39H,#0BH MOV 3AH,#0AH MOV 3BH,#09H MOV 3CH,#08H MOV 3DH,#07H MOV 3EH,#06H MOV 3FH,#05H MOV 40H,#04HY互换状态标志清0返回YNTRO=1?N取前一个数送45HN45H44H?取后一个数送44H开始R2比较次数RO数据区首地址45H送到后数单元44H送到前数单元置TR0交换状态标位(R7)-1=0?Y MOV 41H,#03H MOV 42H,#02H MOV 43H,#01H SORT:MOV R0,#30H MOV R7,#13H CLR TR0 LOOP:MOV A,R0;A=R0 MOV 45H,A;45H=A INC R0;R0=R0+1 MOV 44H,R0;44H=R0 CLR C;C清0 SUBB A,R0;(A)-(R0)-C=A JC NEXT;C为1跳NEXT MOV R0,45H;(R0)=(45H) DEC R0;R0=R0-1 MOV R0,44H;(R0)=(44H) INC R0;R0=R0+1 SETB TR0;TR0置1 NEXT:DJNZ R7,LOOP ;R7-1不等于0，跳LOOP JB TR0,SORT;TR0=1，跳SORT HERE:SJMP $ END六、 实验及程序的分析和讨论P85.6 注释 结果ORG 0000H;汇编语言源程序的开始，通常都用一条ORG伪指 令规定程序的起始地址，目标程序从0000H开始 MOV A,#02H;02HA (A)=02HMOV SP,#42H;42HSP (SP)=42HMOV 41H,#0FFH;FFH41H (41H)=FFH MOV 42H,#0FFH;FFH42H (42H)=FFH POP DPH;(SP)DPH,(SP)-1SP (DPH)=(42H)=FFH，(SP)=41HPOP DPL;(SP)DPL,(SP)-1SP (DPL)=(41H)=FFH，(SP)=40H(DPTR)=FFFFH MOV DPTR，#3000H; #3000H DPTR (DPTR)=3000HRL A;A的8位向左循环移动，位7循环移入位0 (A)=04H MOV B,A;AB (B)=04H MOVC A,A+DPTR; (DPTR)+ (A)A (A)=3004H PUSH ACC; (SP)+1=41HSP,A41H (SP)=41H，(41H)=(3004H)MOV A,B;BA (A)=04HINC A;(A)+1A (A)=05HMOVC A,A+DPTR; (DPTR)+ (A)A (A)=3005H PUSH ACC; (SP)+1=42HSP,A42H (SP)=42H，(42H)=(3005H)HERE:SJMP HERE;ORG 3000H; 汇编语言源程序的开始，通常都用一条ORG伪指令规定程序的起始地址，目标程序从3000H开始 DB 10H,80H,30H,80H,50H,80H;DB用于从指定的地址开始， (3000H)=10H在程序存储器的连续 (3001H)=80H (3002H)=30H (3003H)=80H (3004H)=50H(3005H)=80H ENDP85.8 注释 结果ORG0000H; 汇编语言源程序的开始，通常都用一条ORG伪指令规定程序的起始地址，目标程序从0000H开始START: MOVR0,#20H; #20HR0 R0=20HMOVR2,#21H; #21HR2 R0=21HMOV41H,#00H; #00H41H 41H=00HLOOP： MOVA,R0;(R0)A A=(20H) JNZ NEXT;若A=00H，则顺序执行，否则转移到LOOP1 INC41H;(41H)+141HNEXT： INCR0; (R0)+1R0 DJNZR2，LOOP;R2减1不为0，则跳LOOP处继续循环 SJMP $;END数据升序排序 注释 结果 ORG 0000H;汇编语言源程序的开始，通常都用一条ORG伪指 令规定程序的起始地址，目标程序从0000H开始 MOV 30H,#14H;14H30H (30H)=14H MOV 31H,#13H;13H31H (31H)=13H MOV 32H,#12H;12H32H (32H)=12H MOV 33H,#11H;12H33H (33H)=11H MOV 34H,#10H;10H34H (34H)=10H MOV 35H,#0FH;0FH35H (35H)=0FH MOV 36H,#0EH;0EH36H (36H)=0EH MOV 37H,#0DH;0DH37H (37H)=0DH MOV 38H,#0CH;0CH38H (38H)=0CH MOV 39H,#0BH;0BH39H (39H)=0BH MOV 3AH,#0AH;0AH3AH (3AH)=0AH MOV 3BH,#09H;09H3BH (3BH)=09H MOV 3CH,#08H;08H3CH (3CH)=08H MOV 3DH,#07H;07H3DH (3DH)=07H MOV 3EH,#06H;06H3EH (3EH)=06H MOV 3FH,#05H;05H3FH (3FH)=05H MOV 40H,#04H;04H40H (40H)=04H MOV 41H,#03H;03H41H (41H)=03H MOV 42H,#02H;02H42H (42H)=02H MOV 43H,#01H;01H43H (43H)=01H SORT:MOV R0,#30H;30HR0 (R0)=30H MOV R7,#13H;13HR7 (R7)=13H CLR TR0;互换状态标志清0 (TR0)=00H LOOP:MOV A,R0;(R0)(A) A=R0 MOV 45H,A;A45H 45H=A INC R0; (R0)+1R0 R0=(R0)+1 MOV 44H,R0;(R0)(44H) 44H=(R0) CLR C;C清0 C=00H SUBB A,R0;(A)-(R0)-CA A=(A)-(R0)-C JC NEXT;TR0为1跳NEXT MOV R0,45H;(45H)(R0) R0=(45H) DEC R0;(R0)-1R0 R0=R0-1 MOV R0,44H;(44H)(R0) R0=(44H) INC R0;(R0)+1R0 R0=(R0)+1 SETB TR0;TR0置1 TR0=01H NEXT:DJNZ R7,LOOP ;R7-1不等于0，跳LOOP JB TR0,SORT;TR0=1，跳SORT HERE:SJMP $ END7、 实验结果P85.6仿真前仿真后