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Your Name
5 years ago
parent
03b2e723b0
commit
c556977497
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@ -0,0 +1,286 @@
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[org 0x1000]
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start:
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mov [bootdev], dl
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mov ah, 01h ;make cursor invisible
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mov cx, 2607h
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int 10h
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mov ah, 06h ; Scroll up function
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xor al, al ; Clear entire screen
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xor cx, cx ; Upper left corner CH=row, CL=column
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mov dx, 184FH ; lower right corner DH=row, DL=column
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mov bh, 1Eh ; YellowOnBlue
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int 10H ; execute interrupt
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mov ah, 06h ;draw rect on background
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mov cx, 0101h
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mov dx, 124Dh
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mov bh, 3Eh
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int 10h
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mov ah, 06h ;draw shadow
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mov cx, 1302h
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mov dx, 134Eh
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mov bh, 0Eh
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int 10h
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mov ah, 06h ;draw shadow
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mov cx, 024Eh
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mov dx, 134Eh
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mov bh, 0Eh
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int 10h
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; menu bottom
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mov ah, 06h ;draw rect on background
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mov cx, 1700h
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mov dx, 184Fh
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mov bh, 3Fh
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int 10h
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mov ah, 02h ;sets cursor to top to write
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mov bh, 0h
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mov dh, 17h
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mov dl, 2h
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int 10h
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mov si, menuhelp
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call print
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mov si, menuselect
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call print
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mov si, menuexit
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call print
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mov si, menuenter
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call print
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mov ah, 02h ;sets cursor to top to write
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mov bh, 0h
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mov dh, 4h
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mov dl, 4h
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int 10h
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mov si, msg1
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call print
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print_projects:
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mov ah, 02h ;sets cursor to top to write
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mov bh, 0h
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mov dh, 6h ;row
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mov dl, 4h ;col
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int 10h
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xor bx, bx ; Starting at offset zero
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lea di, [projects] ; RDI now has the address of the array
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.loop
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mov [storebx], bx
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mov ah, 02h
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;mov bh, 0h
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add dh, 1h ;move cursor down
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mov dl, 4h;
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int 10h
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mov ax, [currentselection]
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cmp ax, bx
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jne .normalbackground
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mov ah, 06h ;draw rect on background
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mov ch, dh
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mov cl, 4h
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mov dl, 24h
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mov bh, 7Ch
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int 10h
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jmp .drawstring
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.normalbackground
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mov ah, 06h ;draw rect on background
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mov ch, dh
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mov cl, 4h
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mov dl, 24h
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mov bh, 1Eh
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int 10h
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jmp .drawstring
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.drawstring
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mov bx, [storebx]
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mov si, [di+bx] ; Get the address of string1
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call print
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add bx, 8
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cmp bx, 48
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jne .loop
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jmp waitforkey
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waitforkey:
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mov ah, 0x00
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int 0x16
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cmp ah, 1Fh
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je .up
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cmp ah, 11h
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je .down
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cmp ah, 1Ch
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je loadproject
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jmp waitforkey
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.up
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mov ax, [currentselection]
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cmp ax, 40
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je .reup
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add ax, 8
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mov [currentselection], ax
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jmp print_projects
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.reup
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mov ax, 0
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mov [currentselection], ax
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jmp print_projects
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.down
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mov ax, [currentselection]
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cmp ax, 0
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je .redown
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sub ax, 8
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mov [currentselection], ax
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jmp print_projects
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.redown
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mov ax, 40
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mov [currentselection], ax
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jmp print_projects
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loadproject:
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mov bx, [currentselection]
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cmp bx, 0
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je .one
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cmp bx, 8
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je .two
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cmp bx, 16
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je .three
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cmp bx, 24
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je .four
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cmp bx, 32
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je .five
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cmp bx, 40
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je .six
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jmp waitforkey
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.one
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mov bx, 0x2000 ; BX = 0x1000. ES:BX=0x0:0x1000
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mov cl, 04 ; Sector to read = 4
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jmp load
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.two
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mov bx, 0x3000 ; BX = 0x1000. ES:BX=0x0:0x1000
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mov cl, 05 ; Sector to read = 4
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jmp load
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.three
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mov bx, 0x4000 ; BX = 0x1000. ES:BX=0x0:0x1000
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mov cl, 06 ; Sector to read = 4
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jmp load
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.four
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mov bx, 0x5000 ; BX = 0x1000. ES:BX=0x0:0x1000
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mov cl, 07 ; Sector to read = 4
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jmp load
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.five
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mov bx, 0x6000 ; BX = 0x1000. ES:BX=0x0:0x1000
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mov cl, 08 ; Sector to read = 4
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jmp load
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.six
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mov bx, 0x7000 ; BX = 0x1000. ES:BX=0x0:0x1000
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mov cl, 09 ; Sector to read = 4
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jmp load
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load:
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pushf
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stc
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mov ah,00
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int 13h
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.read_sector:
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mov ax, 0x0
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mov es, ax ; ES = 0
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; ES:BX = starting address to read sector(s) in$
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mov ah, 02 ; Int 13h/AH=2 = Read Sectors From Drive;
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mov al, 0x01 ; Sectors to read = 1
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mov ch, 00 ; CH=Cylinder. Second sector of disk
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; is at Cylinder 0 not 1
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mov dh, 00 ; Head to read = 0
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mov dl, [bootdev]
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int 13h
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jc wolf_error
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popf
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jmp bx
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cli
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hlt
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wolf_error:
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mov si, wolf_error_msg
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call print
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mov si, wolf_error_msg1
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call print
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mov ah,00
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int 16h
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xor ax,ax
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int 19h
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print:
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lodsb
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or al,al
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jz exit
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mov ah,0x0e
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int 10h
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jmp print
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exit:
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ret
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goback:
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mov dl, [bootdev]
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jmp 0x0:0x0000
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msg1 db "ARTIST / TITLE",0
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project1 db "Alex / Poetic Software",0
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project2 db "Alice / f00d",0
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project3 db "Angeliki / Voices", 0
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project4 db "Joca / Ghost in the Speaker", 0
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project5 db "Tash / Silence making", 0
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project6 db "Zalan / Phantasmagoria", 0
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projects dq project1, project2, project3, project4, project5, project6
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menuhelp db "F1 Help", 0
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menuselect db " W/S Select Item",0
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menuexit db 0x0D,0x0A," ESC Exit", 0
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menuenter db " Enter Select",0
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wolf_error_msg db 'Program not found!',0x0D,0x0A,0
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wolf_error_msg1 db 'Press any key to restart..',0
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currentselection dw 0
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storebx dw 0
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bootdev db 0x80 ; Boot device number
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%assign usedMemory ($-$$)
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%assign usableMemory (512*16)
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%warning [usedMemory/usableMemory] Bytes used
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times (512*16)-($-$$) db 0 ;kernel must have size multiple of 512 so let's pad it to the correct size
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