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https://github.com/vxunderground/MalwareSourceCode
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90 lines
2.1 KiB
NASM
90 lines
2.1 KiB
NASM
; +----------------------------------------------------------+ ;
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; | Sample ASKASCII program for use with the Magic Assembler | ;
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; +----------------------------------------------------------+ ;
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mov ah,09
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mov dx,offset(headtxt)
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int 21
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mov dx,offset(crlf)
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int 21
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@5 mov ah,09
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mov dx,offset(quest)
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int 21
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mov ah,00
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int 16
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push ax
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mov ah,0e
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mov bh,00
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int 10
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mov ah,09
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mov dx,offset(a1)
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int 21
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pop ax
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push ax
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mov al,ah
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call wrtnum
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mov ah,09
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mov dx,offset(a2)
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int 21
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pop ax
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push ax
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call wrtnum
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mov ah,09
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mov dx,offset(crlf)
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int 21
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mov ah,0a
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mov al,'Ä'
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mov bh,00
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mov cx,50
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int 10
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mov ah,09
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mov cx,offset(crlf)
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int 21
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pop ax
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cmp ax,011b
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jne @5
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int 20
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wrtnum mov ah,00
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mov bl,64
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div bl
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cmp al,00
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je @1
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push ax
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mov ah,0e
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add al,30
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mov bh,00
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int 10
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pop ax
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mov cl,01
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jmps @2
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@1 mov cl,00
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@2 mov al,ah
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mov ah,00
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mov bl,0a
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div bl
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cmp cl,00
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jne @3
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cmp al,00
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je @4
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@3 push ax
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mov ah,0e
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add al,30
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mov bh,00
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int 10
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pop ax
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@4 mov al,ah
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add al,30
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mov ah,0e
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mov bh,00
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int 10
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ret
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a1 db 0a 0d 'Scan code: $'
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a2 db '; ASCII code: $'
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crlf db 0a 0d '$'
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headtxt db 'Ask ASCII - Written by Bert Greevenbosch for Magic Software' 0a 0d
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db 'Public Domain Version' 0a 0d '$'
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quest db 'Enter character to give ASCII code for (ESC quits): $'
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