一个旋转的3D箱子(动画)

v     bx,[X]
    imul    bx
    mov     bx,[Z]
    add     bx,[Zoff]           ; Distance
    idiv    bx
    add     ax,[Mx]             ; Center on screen
    mov     bp,ax

    mov     ax,[Yoff]           ; Yoff*Y / Z+Zoff = screen y
    mov     bx,[Y]
    imul    bx
    mov     bx,[Z]
    add     bx,[Zoff]           ; Distance
    idiv    bx
    add     ax,[My]             ; Center on screen
           
    mov     bx,320
    imul    bx
    add     ax,bp               ; ax = (y*320)+x
    mov     di,ax

    mov     ax,[Z]              ; Get color from Z
    add     ax,100d             ; (This piece of code could be improved)

    mov     [byte ptr es:di],al ; Place a dot with color al
    mov     [Erase+si],di       ; Save position for erase
    ret
ENDP ShowPoint

PROC MainProgram
    call    UpdateAngles        ; Calculate new angles
    call    SetRotation         ; Find sine & cosine of those angles

    xor     si,si               ; First 3d-point
    mov     cx,MaxPoints
ShowLoop:  
    call    RotatePoint         ; Rotate