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FILE:: mov ah,3dh ;open file mov al,02h ;read/write lea dx,file2 int 21h mov handle,ax mov ah,42h ; move pointer mov al,00h ; relative to start mov cx,00 ;CX:DX bytes to move mov bx,handle mov dx,00 int 21h mov ah,3fh ;read file mov bx,handle mov cx,100 lea dx,data1 int 21h mov cnt,ax mov ah,40h ;write file mov bx,handle mov cx,cnt lea dx,data1 int 21h mov ah,3eh ; close file mov bx,handle int 21h BIOS: mov ah,0fh ; get mode int 10h mov orgi,al mov ah,0 ; set mode mov al,03h int 10h mov ah,02h ; move cursor mov dh,0 ;row mov dl,0 ;column mov bh,0 int 10h mov ah,09h ; write mov al,' ' mov bh,0 mov bl,00011010b mov cx,26*80 int 10h x1: mov ah,07h ;block int 21h cmp al,'#' jnz x1 mov ah,0 mov al,orgi int 10h output block of mxn mov dx,strow x2: mov cx,stcol x1: mov al,att mov ah,0ch int 10h inc cx cmp cx,enc jnz x1 inc dx cmp dx,enr jnz x2 x3: mov ah,07h int 21h cmp al,'e' jnz x3 mov al,orgn mov ah,0 int 10h Keyboard I/O: mov ah,01h ; inp w echo, value in al int 21h mov ah,08h ; inp without echo, value in al int 21h input string: .data max1 db 32 act1 db ? ;key count incl enter inp1 db 32 dup('$') ; Reserve 32 locations .code .startup LEA DX,max1 MOV AH, 0Ah INT 21h MOV DL, ‘A’ ; output character MOV AH, 02h INT 21h lea dx, str1 ;output string mov ah, 09h int 21h
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