微机原理课设 频率计

;-------------------微机原理课程设计------------------- CODE SEGMENT ASSUME CS:CODE,DS:CODE,ES:CODE ORG 3400H H8: JMP P8259 ZXK EQU 0FFDCH ZWK EQU 0FFDDH ；数码管地址 LED DB 0C0H,0F9H,0A4H,0B0H,99H,92H,82H,0F8H,80H,90H ;0-9 DB 040H,079H,24H,30H,19H,12H,02H,78H,00H,10H,0FFH ；0.-9. BUF1 DB ? BUF DB ?,?,?,?,?,? Port0 EQU 0FFE0H ;8259芯片地址 Port1 EQU 0FFE1H P8259: CLI CALL WP ;初始化显示“000000” MOV AX,OFFSET INT8259 ;中断IR7入口地址 MOV BX,003CH