说明: ASSUME CS:CODE,DS:DATA,SS:STAC DATA SEGMENT INT0 EQU 220H INT1 EQU 221H M EQU 0FFFFH DATA ENDS STAC SEGMENT STACK STA DB 50 DUP(?) TOP EQU LENGTH STA STAC ENDS CODE SEGMENT START PROC CLI MOV AX,DATA MOV DS,AX MOV AX,TOP MOV SP,AX PUSH DS MOV AX,000
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