微机原理课设字幕机代码.doc

PUBLIC L_CON ;定义公共变量M8255_AEQU 0640H ;定义8255A口、B口、C口和控制口地址M8255_BEQU 0642HM8255_CEQU 0644HM8255_CONEQU 0646HSSTACK SEGMENT STACK ;定义堆栈段 DW 32 DUP(?) ;定义一个32位的字型存储空间SSTACK ENDSDATA SEGMENTTAB1 DB 4fH,00H,00H,00H,00H,00H,00H,00H ;组成“中华”二字的TAB2 DB 48H, 4fH,00H,00H,00H,00H,00H,00H 数字代码TAB3 DB 7eH, 48H,4fH,00H,00H,00H,00H,00HTAB4 DB 0feH, 7eH,48H,4fH,00H,00H,00H,00HTAB5 DB 7eH,0feH,7eH,48H,4fH,00H,00H,00HTAB6 DB 49H,7eH,0feH,7eH,48H,4fH,00H,00HTAB7 DB 4fH,49H,7eH,0feH,7eH,48H,4fH,00HTAB8 DB 00H,4fH,49H,7eH,0feH,7eH,48H,4fHTAB9 DB 48H,00H,4fH,49H,7eH,0feH,7eH,48H TAB10 DB 2AH,48H,00H,4fH,49H,7eH,0feH,7eHTAB11 DB 1CH,2AH,48H,00H,4fH,49H,7eH,0feHTAB12 DB 78H,1CH,2AH,48H,00H,4fH,49H,7eHTAB13 DB 1CH,78H,1CH,2AH,48H,00H,4fH,49HTAB14 DB 2AH,1CH,78H,1CH,2AH,48H,00H,4fHTAB15 DB 48H,2AH,1CH,78H,1CH,2AH,48H,00HL_CON DB ?DATA ENDSCODE SEGMENT ASSUME CS:CODE, DS:DATASTART:MOV AX, DATA ;初始化语句MOV DS, AXMOV L_CON, 7FHMOV DX, M8255_CONMOV AL, 80H ;写8255控制字OUT DX, ALAA0:MOV BL, 0D0H ;定义外循环次数AA1:MOV SI, OFFSET TAB1 ; 循环显示第一个图形MOV CX, 0008H ;定义内循环次数8次DIS1:MOV DX, M8255_A MOV AL, L_CONOUT DX, ALMOV DX, M8255_BMOV AL, SIOUT DX, ALROR L_CON, 1 ;列右移一位INC SI ;行自动加1CALL DELAY ;调用延时子程序LOOP DIS1 DEC BLCMP BL, 00HJNE AA1MOV BL, 0D0HAA2:MOV SI, OFFSET TAB2 ; 循环显示第二个图形；MOV CX, 0008HDIS2:MOV DX, M8255_AMOV AL, L_CONOUT DX, ALMOV DX, M8255_BMOV AL, SIOUT DX, ALROR L_CON, 1INC SICALL DELAYLOOP DIS2DEC BLCMP BL, 00HJNE AA2MOV BL, 0D0HAA3:MOV SI, OFFSET TAB3 ;循环显示第三个图形MOV CX, 0008HDIS3:MOV DX, M8255_AMOV AL, L_CONOUT DX, ALMOV DX, M8255_BMOV AL, SIOUT DX, ALROR L_CON, 1INC SICALL DELAYLOOP DIS3DEC BLCMP BL, 00HJNE AA3MOV BL, 0D0HAA4:MOV SI, OFFSET TAB4 ; 循环显示第四个图形MOV CX, 0008HDIS4:MOV DX, M8255_AMOV AL, L_CONOUT DX, ALMOV DX, M8255_BMOV AL, SIOUT DX, ALROR L_CON, 1INC SICALL DELAYLOOP DIS4DEC BLCMP BL, 00HJNE AA4MOV BL, 0D0HAA5:MOV SI, OFFSET TAB5 ; 循环显示第五个图形 MOV CX, 0008HDIS5:MOV DX, M8255_AMOV AL, L_CONOUT DX, ALMOV DX, M8255_BMOV AL, SIOUT DX, ALROR L_CON, 1INC SICALL DELAYLOOP DIS5DEC BLCMP BL, 00HJNE AA5MOV BL, 0D0HAA6:MOV SI, OFFSET TAB6 ; 循环显示第六个图形MOV CX, 0008HDIS6:MOV DX, M8255_AMOV AL, L_CONOUT DX, ALMOV DX, M8255_BMOV AL, SIOUT DX, ALROR L_CON, 1INC SICALL DELAYLOOP DIS6DEC BLCMP BL, 00HJNE AA6MOV BL, 0D0HAA7:MOV SI, OFFSET TAB7 ; 循环显示第七个图形MOV CX, 0008H DIS7:MOV DX, M8255_AMOV AL, L_CONOUT DX, ALMOV DX, M8255_BMOV AL, SIOUT DX, ALROR L_CON, 1INC SICALL DELAYLOOP DIS7DEC BLCMP BL, 00HJNE AA7MOV BL, 0D0HAA8:MOV SI, OFFSET TAB8 ; 循环显示第八个图形MOV CX, 0008HDIS8:MOV DX, M8255_AMOV AL, L_CONOUT DX, ALMOV DX, M8255_BMOV AL, SIOUT DX, ALROR L_CON, 1INC SICALL DELAYLOOP DIS8DEC BLCMP BL, 00HJNE AA8MOV BL, 0D0HAA9:MOV SI, OFFSET TAB9 ; 循环显示第九个图形MOV CX, 0008HDIS9:MOV DX, M8255_AMOV AL, L_CONOUT DX, ALMOV DX, M8255_BMOV AL, SIOUT DX, ALROR L_CON, 1INC SICALL DELAYLOOP DIS9DEC BLCMP BL, 00HJNE AA9MOV BL, 0D0HAA10:MOV SI, OFFSET TAB10 ; 循环显示第十个图形MOV CX, 0008HDIS10:MOV DX, M8255_AMOV AL, L_CONOUT DX, ALMOV DX, M8255_BMOV AL, SIOUT DX, ALROR L_CON, 1INC SICALL DELAYLOOP DIS10DEC BLCMP BL, 00HJNE AA10MOV BL, 0D0HAA11:MOV SI, OFFSET TAB11 ; 循环显示第十一个图形MOV CX, 0008HDIS11:MOV DX, M8255_AMOV AL, L_CONOUT DX, ALMOV DX, M8255_BMOV AL, SIOUT DX, ALROR L_CON, 1INC SICALL DELAYLOOP DIS11DEC BLCMP BL, 00HJNE AA11MOV BL, 0D0HAA12:MOV SI, OFFSET TAB12 ; 循环显示第十二个图形MOV CX, 0008HDIS12:MOV DX, M8255_AMOV AL, L_CONOUT DX, ALMOV DX, M8255_BMOV AL, SIOUT DX, ALROR L_CON, 1INC SICALL DELAYLOOP DIS12DEC BLCMP BL, 00HJNE AA12MOV BL, 0D0HAA13:MOV SI, OFFSET TAB13 ; 循环显示第十三个图形MOV CX, 0008HDIS13:MOV DX, M8255_AMOV AL, L_CONOUT DX, ALMOV DX, M8255_BMOV AL, SIOUT DX, ALROR L_CON, 1INC SICALL DELAYLOOP DIS13DEC BLCMP BL, 00HJNE AA13MOV BL, 0D0HAA14:MOV SI, OFFSET TAB14 ; 循环显示第十四个图形MOV CX, 0008HDIS14:MOV DX, M8255_AMOV AL, L_CONOUT DX, ALMOV DX, M8255_BMOV AL, SIOUT DX, ALROR L_CON, 1INC SICALL DELAYLOOP DIS14DEC BLCMP BL, 00HJNE AA14MOV BL, 0D0HAA15:MOV SI, OFFSET TAB15 ; 循环显示第十五个图形MOV CX, 0008HDIS15:MOV DX, M8255