Dz1

; Template for console application
         .586
         .MODEL  flat, stdcall
         OPTION CASEMAP:NONE

Include kernel32.inc
Include masm32.inc

IncludeLib kernel32.lib
IncludeLib masm32.lib

         .CONST
MsgExit  DB         13, 10, "Press Enter to Exit", 0
LenWords DB         13, 10, "Words length: ", 0
NumWords DB         13, 10, "Words number: ", 0
space    DB         " ", 0 ;" "
endl     DB         13, 10, 0
n        DWORD      32

         .DATA

         .DATA?
inbuf    DB         100 DUP (?)
resstr   DB         33  DUP (?)
string   DB         33  DUP (?)

         .CODE

in_str proc near  ; inpput string procedure
    Invoke StdIn, ADDR string, LengthOf string ; string input
    Invoke StripLF, ADDR string  ; "1337\n" -> "13370"

    ret

in_str endp

Start:             ; TEST: abcd efgh alala xDD lul a bc de

call in_str   ; string input
Invoke StdOut,ADDR LenWords  ; const for pretty output

XOR EDX, EDX  ; word letters counter
XOR EBX, EBX  ; words counter
XOR ECX, ECX  ; loop counter
XOR EAX, EAX  ; stores char to find in repne

lea EDI, string  ; string.address -> EDI
mov ECX, n       ; ECX - counter for repne
mov AL, ' ' ;space    ; ' ' -> AL,    AL <=> flag for repne
scan_word:
    mov EDX, ECX ; EDX <=> length of not checked part of string

    push EDX     ; save EDX to stack (probably used by repne, but we use it too)
    repne scasb  ; (za)loop, after it (EDX-ECX-1) == length of checked word
    pop EDX      ; get our EDX
    sub EDX, ECX ; EDX -= ECX
    dec EDX      ; --EDX (word letters counter)
    inc EBX      ; ++EBX (words counter)

    push EAX     ; saving EAX && ECX values
    push ECX     ; (probably used by output, but we use them too)
    Invoke dwtoa,EDX,ADDR resstr ; word letters number to string
    Invoke StdOut,ADDR resstr    ; word letters number output
    Invoke StdOut,ADDR space     ; cout << " ";
    pop ECX      ; getting our ECX && EAX
    pop EAX

    jecxz scan_end  ; jump to end of scan if ECX == 0 (if we reached the end of string)
    jmp scan_word   ; else loop back to next word

scan_end:
    Invoke StdOut,ADDR NumWords  ; const for pretty output
    Invoke dwtoa,EBX,ADDR resstr ; words number to string
    Invoke StdOut,ADDR resstr    ; words number output
    Invoke StdOut,ADDR endl      ; cout << endl;

prog_end:
     XOR    EAX,EAX
     Invoke StdOut,ADDR MsgExit
     Invoke StdIn,ADDR inbuf,LengthOf inbuf

     Invoke ExitProcess,0
     End    Start