kolibrios-fun/programs/develop/h2d2b/trunk/h2d2b.asm

;;      hex2dec2bin 0.2 by Alexei Ershov    ;;
;;      16.11.2006                          ;;

  use32 	     ; âêëþ÷èòü 32-áèòíûé ðåæèì àññåìáëåðà
  org	 0x0	     ; àäðåñàöèÿ ñ íóëÿ

  db	 'MENUET01'  ; 8-áàéòíûé èäåíòèôèêàòîð MenuetOS
  dd	 0x01	     ; âåðñèÿ çàãîëîâêà (âñåãäà 1)
  dd	 START	     ; àäðåñ ïåðâîé êîìàíäû
  dd	 I_END	     ; ðàçìåð ïðîãðàììû
  dd	 0x1000      ; êîëè÷åñòâî ïàìÿòè
  dd	 0x1000      ; àäðåñ âåðøèíû ñòýêà
  dd	 0x0	     ; àäðåñ áóôåðà äëÿ ïàðàìåòðîâ (íå èñïîëüçóåòñÿ)
  dd	 0x0	     ; çàðåçåðâèðîâàíî

include 'MACROS.INC' ; ìàêðîñû îáëåã÷àþò æèçíü àññåìáëåðùèêîâ!


START:
red:

    call draw_window

still:
    mcall 10		; ôóíêöèÿ 10 - æäàòü ñîáûòèÿ

    cmp  eax,1		; ïåðåðèñîâàòü îêíî ?
    je	 red		; åñëè äà - íà ìåòêó red
    cmp  eax,2		; íàæàòà êëàâèøà ?
    je	 key		; åñëè äà - íà key
    cmp  eax,3		; íàæàòà êíîïêà ?
    je	 button 	; åñëè äà - íà button

    jmp  still		; åñëè äðóãîå ñîáûòèå - â íà÷àëî öèêëà

;---------------------------------------------------------------------

 key:		       ; íàæàòà êëàâèøà íà êëàâèàòóðå
    mov   eax, 2
    int   0x40
    mov   edi, [index]
    cmp   edi, string1
    jz	  no_back

    cmp   ah, 8
    jnz   no_back

    dec   edi
    mov   byte [edi], ' '
    mov   [index], edi
    call  Draw_String
    jmp   still
no_back:
    cmp   ah, 13
    jz	  read_str

    cmp   edi, string1_end
    jae   still
    mov   al, ah
    stosb
    mov   [index], edi
    call  Draw_String
    jmp  still		; âåðíóòüñÿ ê íà÷àëó öèêëà

read_str:
    dec   edi
    mov   esi, string1

    call  GetBase

    xor   ecx, ecx
    inc   ecx		; ecx = 1

make_bin:
    xor   eax, eax

next_digit:
    xor   edx, edx
    cmp   edi, esi
    jb	  .done

    mov   dl, [edi]
    cmp   dl, '-'
    jne   @f
    neg   eax
    jmp   .done
@@:
    cmp   dl, 'F'
    jbe   @f
    and   dl, 11011111b
@@:
    sub   dl, '0'
    cmp   dl, 9
    jbe   @f
    sub   dl, 'A'-'9'-1
@@:
    cmp   dl, bl
    jb	  @f
    ; Çäåñü îáðàáîòàòü îøèáêó

    jmp   .done
@@:
    push  ecx
    xchg  eax, ecx
    mul   edx ;        edx:eax = eax * edx
    add   ecx, eax
    pop   eax
    mul   ebx
    xchg  eax, ecx
    dec   edi
    jmp   next_digit

.done:
   mov	  [num], eax	; ñîõðàíÿåì ââåäåííîå ÷èñëî
   xor	  eax, eax
   mov	  al, ' '
   mov	  edi, string1
   mov	  [index], edi
   mov	  ecx, string1_end-string1
   rep	  stosb 	; ñòèðàåì ââåäåííóþ ñòðîêó
   jmp	  red

;---------------------------------------------------------------------

  button:
    mcall 17		; 17 - ïîëó÷èòü èäåíòèôèêàòîð íàæàòîé êíîïêè
    cmp   ah, 1 	; åñëè ÍÅ íàæàòà êíîïêà ñ íîìåðîì 1,
    jne   @f
    mcall -1
@@:
    cmp   ah, 2
    jne   @f
    shl   [num], 1
    jmp   red
@@:
    cmp   ah, 3
    jne   @f
    shr   [num], 1
    jmp   red
@@:
    cmp   ah, 4
    jne   still
    sar   [num], 1
    jmp   red

;------------------------------------------------
    draw_window:
;------------------------------------------------
    mcall 12, 1
    mcall 0, 200*65536+300, 200*65536+175, 0x13AABBCC,,header

    mcall  8, 15      *65536+ 38, 90*65536+ 15, 2, 0x6688DD ; êíîïêà shl
    mcall  ,		       ,110*65536+ 15,	,	   ; êíîïêà sal
    mcall  , (300-53)*65536+ 38, 90*65536+ 15, 3,	   ; êíîïêà shr
    mcall  ,		       ,110*65536+ 15, 4,	   ; êíîïêà sar

    mcall  4, 15*65536+30,   0x80000000, binstr,
    mcall  , 15*65536+44,   , decstr,
    mcall  , 15*65536+58,   ,sdecstr,
    mcall  , 15*65536+72,   , hexstr,
    mcall  , 15*65536+150,  , numstr,

    mcall  ,	   25*65536+93,0x10000000,shlstr,3
    mcall  , (300-43)*65536+93, 	, shrstr,
    mcall  ,	   25*65536+113,	, salstr,
    mcall  , (300-43)*65536+113,	, sarstr,
    mov    ecx, [num]

    mcall  47, 8*65536+256,,240*65536+72,0    ; 16-íàÿ
    mcall    , 10*65536,   ,228*65536+44,     ; 10-íàÿ
    mcall    , 8*65536+512,,240*65536+30,     ; 2-íàÿ
    ror    ecx, 8
    mcall    ,		  ,,(240-56)*65536+30,
    ror    ecx, 8
    mcall    ,		  ,,(240-56*2)*65536+30,
    ror    ecx, 8
    mcall    ,		  ,,(240-56*3)*65536+30,
    ror    ecx, 8
    mov    [minus], '+'
    jnc    @f
    mov    [minus], '-'
    neg    ecx
@@:
    mcall   ,  10*65536,,228*65536+58,	      ; 10-íàÿ ñî çíàêîì
    mcall  4, 222*65536+58, 0, minus, 1
    mcall 38, 15*65536+300-15, 137*65536+137, 0x006688DD
    call   Draw_String
    mcall 12, 2 		   ; ôóíêöèÿ 12: ñîîáùèòü ÎÑ îá îòðèñîâêå îêíà

ret

;-------------------------------------------------
    Draw_String:
;-------------------------------------------------

     mcall   4, 60*65536+150, 0x40A40473, \
	     string1,string1_end-string1,0x00AABBCC
     ret

;-------------------------------------------------
    GetBase:
;-------------------------------------------------
    mov   ebx, 10
    cmp   edi, esi
    jb	  .done

    mov   al, [edi]
    cmp   al, 'H'
    jbe   @f
    and   al, 11011111b
@@:
    cmp   al, 'H'
    jne   @f
    mov   ebx, 16
    dec   edi
    jmp   .done

@@:
    cmp   al, 'D'
    jne   @f
    mov   ebx, 10
    dec   edi
    jmp   .done

@@:
    cmp   al, 'B'
    jne   .done
    mov   ebx, 2
    dec   edi

.done:
ret

;-------------------------------------------------
string1:
  db  34 dup(' ')
string1_end:
  index dd string1
  num	dd  0


 header db 'hex2dec2bin 0.2',0
 minus	db '-'
 numstr db 'Number:',0
 hexstr db 'hex:',0
 binstr db 'bin:',0
 decstr db 'dec:',0
sdecstr db 'signed dec:',0
 shlstr db 'shl'
 salstr db 'sal'
 shrstr db 'shr'
 sarstr db 'sar'

I_END:				   ; ìåòêà êîíöà ïðîãðàììû