程序

//从N个32位数中找到最大，最小数，分别存放在R0,R1当中AREAGLOBALS,CODE,READONLYnumEUQnENTRYMOVR1,#0;MINMOVR0,#0;MAXMOVR3,#num-1;循环次数LDRR2,=src;startLDRPLR4,[R2,R3];CMPR4,R0MOVGTR0,R4;如果R4R1,送R4到R1CMPR1,R4;MOVGTR1,R4;如果R0R4,送R4到R0SUBSR3,R3,#1;R3=R3-1;BPLstart;BAREADataArea,DATA,READWRITEsrcDCB................................//n数据的定义END//汇编语言编写冒泡法排序AREAGLOBALS,CODE,READONLYENTRYEXPORTASMSUBROUTINEIMPORTGLOBVARMOVR3,#10//MOVR6,#10ASMSUBROUTINELDRR1,=GLOBVAR//取首地址MOVR0,R1LOOPMASUBR6,#1//R6=R6-1CMPR6,#0BEQQUITT//不相等（或不为0）跳转指令BLOOPlopLDRR5,[R1],#-4LOOP//内循环SUBR3,R3,#1//R3=R3-1CMPR3,#0BEQQUIT//取两个数LDRR2,[R1],#4//将存储器地址为R1的字数据读入寄存器R0当中，并且R1=R1+4LDRR4,[R1],#4CMPR2,R4//比较两个数BLTSWIT//BlopSWIT//交换两个数STRR2,[R1,#-4]STRR4,[R1,#-8]LDRR5,[R1],#-4BLOOPQUITMOVR1,R0//一轮内循环结束，重新赋值开始下一轮MOVR3,#10BLOOPMAQUITTMOVPC,LRENDAREADataArea,DATA,READWRITEGLOBVARDCB28,2,6,1,7,2,7,1,43,56END//从N个32位数中找到最大，最小数，分别存放在R0,R1当中AREAGLOBALS,CODE,READONLYnumEUQnENTRYMOVR1,#0;MINMOVR0,#0;MAXMOVR3,#num-1;循环次数LDRR2,=src;startLDRPLR4,[R2,R3];CMPR4,R0MOVGTR0,R4;如果R4R1,送R4到R1CMPR1,R4;MOVGTR1,R4;如果R0R4,送R4到R0SUBSR3,R3,#1;R3=R3-1;BPLstart;BAREADataArea,DATA,READWRITEsrcDCB................................//n数据的定义END//汇编语言编写冒泡法排序AREAGLOBALS,CODE,READONLYENTRYEXPORTASMSUBROUTINEIMPORTGLOBVARMOVR3,#10//MOVR6,#10ASMSUBROUTINELDRR1,=GLOBVAR//取首地址MOVR0,R1LOOPMASUBR6,#1//R6=R6-1CMPR6,#0BEQQUITT//不相等（或不为0）跳转指令BLOOPlopLDRR5,[R1],#-4LOOP//内循环SUBR3,R3,#1//R3=R3-1CMPR3,#0BEQQUIT//取两个数LDRR2,[R1],#4//将存储器地址为R1的字数据读入寄存器R0当中，并且R1=R1+4LDRR4,[R1],#4CMPR2,R4//比较两个数BLTSWIT//BlopSWIT//交换两个数STRR2,[R1,#-4]STRR4,[R1,#-8]LDRR5,[R1],#-4BLOOPQUITMOVR1,R0//一轮内循环结束，重新赋值开始下一轮MOVR3,#10BLOOPMAQUITTMOVPC,LRENDAREADataArea,DATA,READWRITEGLOBVARDCB28,2,6,1,7,2,7,1,43,56END