5.exe.~asm

.model small
.stack 100h
.data

file db 200 dup (?)
file2 db 200 dup (?)
file1 db 200 dup (?)
size db    ?
flagBeginFile db 0
buf db 50 dup (?)
handler1 dw 0
handler2 dw 0
wordForFind 50,?,50 dup (?)
errorMessage db "error$",0Dh,0Ah

.code
start:

mov ax, @data
mov es, ax

mov cl, ds:[80h]
mov si, 81h
lea di,file
rep movsb

mov ds,ax
lea si,file

checkSpace1:
cmp [si],0
je errorCommandLine
cmp [si],' '
jne readFile1
inc si
jmp checkSpace1

readFile1:

lea di,file1

cycleReadNameFile1:

mov al,[si]
mov [di],al
inc di
inc si

cmp [si],0
je errorCommandLine
cmp [si], '.'
je readTxt
cmp [si], ' '
jne cycleReadNameFile1

setTXT:
cmp [si], ' '
jne errorCommandLine
mov [di],'.'
inc di
mov [di],'t'
inc di
mov [di],'x'
inc di
mov [di],'t'
inc di
jmp endReadNameFile1

readTXT:

cmp [si],'.'
jne errorCommandLine
mov [di],'.'
inc di
inc si
cmp [si],'t'
jne errorCommandLine

mov [di],'t'
inc di
inc si
cmp [si],'x'
jne errorCommandLine

mov [di],'x'
inc di
inc si
cmp [si],'t'
jne errorCommandLine

mov [di],'t'
inc di
inc si

endReadNameFile1:

mov  byte ptr [di],0

checkSpace2:
cmp [si],0
je errorCommandLine
cmp [si],' '
jne readNameFile2
inc si
jmp checkSpace2

readNameFile2:

lea di,file2

cycleReadNameFile2:

mov al,[si]
mov [di],al

inc di
inc si
cmp [si],0
je errorCommandLine
cmp [si], '.'
je readTxt2
cmp [si], ' '
jne cycleReadNameFile2

setTXT2:

cmp [si], ' '
jne errorCommandLine
mov [di],'.'
inc di
mov [di],'t'
inc di
mov [di],'x'
inc di
mov [di],'t'
inc di
jmp endReadNameFile2

readTXT2:

cmp [si],'.'
jne errorCommandLine

mov [di],'.'
inc di
inc si
dec size

cmp [si],'t'
jne errorCommandLine

mov [di],'t'
inc di
inc si
dec size

cmp [si],'x'
jne errorCommandLine

mov [di],'x'
inc di
inc si
dec size

cmp [si],'t'
jne errorCommandLine

mov [di],'t'
inc di
inc si

endReadNameFile2:

mov  byte ptr [di],0

checkSpace3:

cmp [si],0
je errorCommandLine

cmp [si],' '
jne readWord
inc si
jmp checkSpace3

readWord:

lea di,wordForFind
add di,2
mov al,[si]
mov [di],al
inc si
inc di
add wordForFind[1],1

cycleReadWord:

mov al,[si]
cmp [si],' '
je nextCheckCommandLine

cmp [si],0
je nextCheckCommandLine

mov [di],al
add wordForFind[1],1

inc si
inc di
jmp cycleReadWord


nextCheckCommandLine:

cmp [si],' '
je nextSymbolCheckCommandLine

cmp [si],0
je openFiles
jmp errorCommandLine

nextSymbolCheckCommandLine:
inc si
jmp nextCheckCommandLine

errorCommandLine:

lea dx,errorMessage
mov ah,9
int 21h
jmp exitFromProgramm

openFiles:

mov ah, 3Dh
mov al, 00
mov cl,01h
mov dx, offset file1
int 21h

jc errorCommandLine
mov handler1,ax

mov ah, 3Dh
mov al, 02h
mov cl,0h
mov dx, offset file2
int 21h

jc errorCommandLine
mov handler2,ax

xor di,di
lea dx,buf
mov ah,3Fh
mov bx,handler1
mov cx,1
int 21h

mov al,buf[di]
cmp al,0Dh
je setBeginFlag

mov ah,42h
mov bx,handler1
mov al,0
mov cx,0
mov dx,0
int 21h
jmp find

setBeginFlag:

mov flagBeginFile,1
jmp exitFromOutputInFile2

find:

lea dx,buf
lea si,wordForFind
add si,2

mov ah,3Fh
mov bx,handler1
mov cx,1
int 21h

cmp al,0
je output

cmp buf[di],0Ah
je find

cmp buf[di],0Dh
je output

cmp buf[di],' '
je find

mov al,buf[di]
cmp al,[si]
jne  missWord
je findWord

jmp find

findWord:

inc si
mov cl,wordForFind[1]
dec cl

cycleFindWord:
push cx
lea dx,buf
mov ah,3Fh
mov bx,handler1
mov cx,1
int 21h
pop cx

cmp cl,0
jg ifSizeNo0

cmp al,0
je exit

cmp buf[di],' '
je moveNewLine

cmp buf[di],0Dh
je find

jmp missWord
ifSizeNo0:

cmp al,0
je output

mov al,buf[di]

cmp al,0Dh
je output

cmp al,' '
je find

cmp al,[si]
jne missWord

inc si

loop cycleFindWord

mov ah,3Fh
mov bx,handler1
mov cx,1
int 21h

cmp al,0
je exit

mov al,buf[di]

cmp al,0Dh
je find

cmp al,' '
jne find
je moveNewLine

missWord:

mov ah,3Fh
mov bx,handler1
mov cx,1
int 21h

cmp buf[di],' '
je find

cmp buf[di],0Dh
je output

cmp al,0
je output

jmp missWord

moveNewLine:

mov ah,3Fh
mov bx,handler1
mov cx,1
int 21h

cmp al,0
je exit

cmp buf[di],0Dh
jne moveNewLine

mov flagBeginFile,1
jmp find

output:
cmp flagBeginFile,1
je outputNoFirstStrings

mov ah,42h
mov al,0
mov bx,handler1
mov cx,0
mov dx,0
int 21h
mov flagBeginFile,1
jmp outInFile2
outputNoFirstStrings:

xor di,di
xor cx,cx
mov ah,42h
mov al,1
mov bx,handler1
mov cx,-1
mov dx,-2
int 21h

lea dx,buf
mov ah,3Fh
mov cx,1
mov bx,handler1
int 21h

mov al,buf[di]

cmp buf[di],0Ah
je outInFile2

jmp outputNoFirstStrings

outInFile2:

mov flagBeginFile,1
mov ah,3Fh
mov cx,1
mov bx,handler1
lea dx,buf
int 21h

cmp al,0
je exit

cmp buf[di],0Dh
je exitFromOutputInFile2

lea dx,buf
xor al,al
mov ah,40h
mov cx,1
mov bx,handler2
int 21h

jmp outInFile2

exitFromOutputInFile2:
lea dx,buf
mov buf[di],0Dh
mov ah,40h
mov cx,1
mov bx,handler2
int 21h

lea dx,buf
mov buf[di],0Ah
mov ah,40h
mov cx,1
mov bx,handler2
int 21h

mov flagBeginFile,1

jmp find

exit:
cmp handler1,0
je closeFile2

mov ah,3Eh
mov bx,handler1
int 21h

closeFile2:
cmp handler2,0
je exitFromProgramm

mov ah,3Eh
mov bx,handler2
int 21h
exitFromProgramm:

mov ax,4C00h
int 21h

end start



; [SOURCE]: D:\emu8086\MyBuild\5.asm