segitiga.asm

org 100h
    
    mov     cx, 5
    push    cx
    mov     ah, 0eh
_loop:
    mov     al, "*"
    int     10h
    dec     cx
    test    cx, cx
    jz      _enter
    jnz     _loop
_this_is_the_end: 
    pop     cx 
    dec     cx
    push    cx
_loop2: 
    mov     ah, 0eh
    mov     al, " "
    int     10h  
    cmp     cx, 3
    jne     _lompat 
    dec     cx 
    jmp    _loop2 
_lompat:
    cmp     cx, 2
    je      _tambah 
    jmp     _loop
_tambah: 
    mov     bx, cx
    inc     cx 
    jmp     _loop
_enter:
    mov     ah, 0eh
    mov     al, 10
    int     10h
    mov     al, 13
    int     10h  
    cmp     bx, 2
    je      _cheat
    cmp     bx, 1
    je      _cheat2 
    jmp     _this_is_the_end
_cheat2:
    pop     cx
    add     cx, 2
    jmp     _loop3
_cheat:
    pop     cx
    push    cx
_loop3:
    jcxz    _pop
    mov     ah, 0eh
    mov     al, " "
    int     10h
    loop    _loop3
_pop:
    pop     cx
    dec     cx
    push    cx    
_star:
    mov     ah, 0eh
    mov     al, "*"
    int     10h
    cmp     cx, 2 
    dec     cx
    test    cx, cx
    je      _dec_bx
    cmp     cx, 0FFFEh
    je      _exit
    jne      _star
_dec_bx:
    dec     bx
    jmp     _enter        
 _exit:   
    mov     ax, 4c00h
    int     21h