微机原理与接口课程8255设计以及汇编语言程序

课程设计报告课程名称微机原理与接口实验系别：工程技术系专业班级：电子信息工程0702实习题目：信号发生器的实验完成日期：2009-12-212009 年12月21日实习评语及成绩评语成绩指导教师（签名）2008年6月日原理图图1图2;========================================================= ; 文件名: A82541.ASM; 功能描述: 通过对计数器0进行计数，计数初值为4，; 当计数满后，产生正跳变触发中断，中断; 程序显示M(每按5次输出一个M);=========================================================A8254 EQU 06C0HB8254 EQU 06C2HC8254 EQU 06C4HCON8254 EQU 06C6HSSTACK SEGMENT STACKDW 100 DUP(?)SSTACK ENDSCODE SEGMENTASSUME CS:CODE, SS:SSTACK,DS:DATAPUBLIC CNDATA SEGMENTTAB DB 80H,83H,86H,89H,8DH,90H,93H,96HDB 99H,9CH,9FH,0A2H,0A5H,0A8H,0ABH,0AEHDB 0B1H,0B4H,0B7H,0BAH,0BCH,0BFH,0C2H,0C5HDB 0C7H,0CAH,0CCH,0CFH,0D1H, 0D4H,0D6H,0D8HDB 0DAH,0DDH,0DFH,0E1H,0E3H, 0E5H,0E7H,0E9HDB 0EAH,0ECH,0EEH,0EFH,0F1H, 0F2H,0F4H,0F5HDB 0F6H,0F7H,0F8H,0F9H,0FAH, 0FBH,0FCH,0FDHDB 0FDH,0FEH,0FFH,0FFH,0FFH, 0FFH,0FFH,0FFHDB 0FFH,0FFH,0FFH,0FFH,0FFH, 0FFH,0FEH,0FDHDB 0FDH,0FCH,0FBH,0FAH,0F9H, 0F8H,0F7H,0F6HDB 0F5H,0F4H,0F2H,0F1H,0EFH, 0EEH,0ECH,0EAHDB 0E9H,0E7H,0E5H,0E3H,0E1H, 0DEH,0DDH,0DAHDB 0D8H,0D6H,0D4H,0D1H,0CFH, 0CCH,0CAH,0C7HDB 0C5H,0C2H,0BFH,0BCH,0BAH, 0B7H,0B4H,0B1H DB 0AEH,0ABH,0A8H,0A5H,0A2H, 9FH, 9CH, 99HDB 96H, 93H, 90H, 8DH, 89H, 86H, 83H, 80HDB 80H, 7CH, 79H, 78H, 72H, 6FH, 6CH, 69HDB 66H, 63H, 60H, 5DH, 5AH, 57H, 55H, 51HDB 4EH, 4CH, 48H, 45H, 43H, 40H, 3DH, 3AHDB 38H, 35H, 33H, 30H, 2EH, 2BH, 29H, 27HDB 25H, 22H, 20H, 1EH, 1CH, 1AH, 18H, 16HDB 15H, 13H, 11H, 10H, 0EH, 0DH, 0BH, 0AHDB 09H, 08H, 07H, 06H, 05H, 04H, 03H, 02HDB 02H, 01H, 00H, 00H, 00H, 00H, 00H, 00HDB 00H, 00H, 00H, 00H, 00H, 00H, 01H, 02HDB 02H, 03H, 04H, 05H, 06H, 07H, 08H, 09HDB 0AH, 0BH, 0DH, 0EH, 10H, 11H, 13H, 15HDB 16H, 18H, 1AH, 1CH, 1EH, 20H, 22H, 25HDB 27H, 29H, 2BH, 2EH, 30H, 33H, 35H, 38HDB 3AH, 3DH, 40H, 43H, 45H, 48H, 4CH, 4EHDB 51H, 55H, 57H, 5AH, 5DH, 60H, 63H, 66HDB 69H, 6CH, 6FH, 72H, 76H, 79H, 7CH, 80HCN DW $-TABDATA ENDSSANJIAO PROC NEARPUSH AXPUSH DXPUSH CXMOV AX, 00HMOV DX, 600HMOV AL, 00HAA5: OUT DX, ALCALL DELAYINC ALCMP AL,255JNE AA5JMP AA3AA4: MOV CX,500HOUT DX,ALCALL DELAYLOOP AA4AA3: DEC ALOUT DX, ALCALL DELAYCMP AL,0JNE AA3JMP AA5POP CXPOP DXPOP AXRET SANJIAO ENDPFANGBO PROC NEARPUSH AXPUSH DXPUSH CX AAC: MOV AX, 00HMOV DX, 600HMOV AL, 00HMOV CX, 00HMOV CX,250H AA6: OUT DX,ALCALL DELAYLOOP AA6MOV CX,250H AA7: MOV AL,0FFHOUT DX, ALCALL DELAYLOOP AA7JMP AACPUSH CXPUSH DXPUSH AXRETFANGBO ENDPJUCHI PROC NEARPUSH AXPUSH DXAAC1: MOV AX, 00HMOV DX, 600HMOV AL, 0FFHAA8: DEC ALOUT DX, ALCALL DELAYCMP AL,0JNE AA8JMP AAC1POP DXPOP AXRETJUCHI ENDPZHENGXIAN PROC NEARPUSH AXPUSH DSPUSH DXPUSH SIPUSH BXAAC2: MOV AX,DATAMOV DS,AXMOV AX, 00HMOV DX, 600HMOV AL, 00HMOV SI,3000HMOV AL,00HMOV [SI],ALMOV CX,0100HMOV AL,[SI]AA9: LEA BX,TABXLATMOV DX, 600HOUT DX, ALNOPNOPMOV AL,[SI]INC ALMOV [SI],ALLOOP AA9JMP AAC2DELAY: PUSH CXMOV CX, 0005HAAB: PUSH AXPOP AXLOOP AABPOP CXPOP BXPOP SIPOP DXPOP DSPOP AXRETZHENGXIAN ENDPSTART: PUSH DSMOV AX, 0000HMOV BX, 0000HMOV DS, AXMOV AX, OFFSET IRQ7 ;取中断入口地址MOV SI, 003CH ;中断矢量地址MOV [SI], AX ;填IRQ7的偏移矢量MOV AX, CS ;段地址MOV SI, 003EHMOV [SI], AX ;填IRQ7的段地址矢量CLIPOP DS;初始化主片8259MOV AL, 11HOUT 20H, AL ;ICW1MOV AL, 08HOUT 21H, AL ;ICW2MOV AL, 04HOUT 21H, AL ;ICW3MOV AL, 01HOUT 21H, AL ;ICW4MOV AL, 6FH ;OCW1OUT 21H, ALMOV DX, CON8254MOV AL, 10H ;计数器0，方式0OUT DX, ALMOV DX, A8254MOV AL, 01HOUT DX, ALSTIAA1: N OPJMP AA1IRQ7: MOV DX, A8254MOV AL, 01HOUT DX, ALINC BLMOV AH,01HMOV AL,BLADD AL,02FHCMP AL,031HJE LL1CMP AL,032HJE LL2CMP AL,033HJE LL3CMP AL,034HJE LL4CMP AL,039HJA STARTINT 10H ;显示字符MMOV AX, 0120HINT 10HMOV AL, 20HOUT 20H, AL ;中断结束命令; IRETLL1: CALL FANGBOJMP IRQ7LL2: CALL ZHENGXIANJMP IRQ7LL3: CALL SANJIAOJMP IRQ7LL4: CALL SANJIAOJMP IRQ7LL5: CALL DELAYJMP STARTCODE ENDSEND START。