kolibrios/programs/system/calendar/trunk/calendar.asm

; Calendar for KolibriOS
;
; v1.2 - code update by Leency, small design fixes
; v1.1 - add change time support by DedOK 
; v1.0 - written in pure assembler by Ivushkin Andrey aka Willow
; also - diamond, spraid, fedesco
;
; Created: November 1, 2004

WIN_CW equ 266
WIN_X equ (5000 shl 16+WIN_CW+9)
WIN_Y equ (100 shl 16+335)

LINE1	  equ 27 shl 16+16
B_MONTH_X equ 5 shl 16+158+11
B_Y	  equ LINE1
B_MONTH   equ 63 shl 16+32

B_WBAR_X  equ 5 shl 16+WIN_CW
B_WBAR_Y  equ 64 shl 16+20
B_WEEK	  equ 30 shl 16+70
B_WX_SHIFT equ 32 shl 16

B_DBAR_X  equ B_WBAR_X
B_DBAR_Y  equ 85 shl 16+190

B_DROP	  equ B_MONTH+16
B_DAYS_Y  equ 100
B_DAYS_SHIFT equ 30

B_YEAR_X  equ 173 shl 16+58
B_YEAR	  equ 188 shl 16+32

B_TODAY_X equ 25 shl 16
B_TODAY_Y equ 48 shl 16+10
B_TODAY   equ 30 shl 16+50

B_SPIN_WIDTH equ 13
B_SPIN_X  equ 234 shl 16+B_SPIN_WIDTH
B_SPIN	  equ 238 shl 16+32

B_NS_X	  equ 185 shl 16+75
B_NS_Y	  equ 48 shl 16+10
B_NS	  equ 190 shl 16+50

FOCUSABLE equ 5



use32		     ; <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 32-<2D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> ०<><E0A5A6> <20><>ᥬ<EFBFBD><E1A5AC><EFBFBD><EFBFBD><EFBFBD>

  org	 0x0	     ; <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD>

  db	 'MENUET01'  ; 8-<2D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>䨪<EFBFBD><E4A8AA><EFBFBD><EFBFBD> MenuetOS
  dd	 0x01	     ; <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> (<28>ᥣ<EFBFBD><E1A5A3> 1)
  dd	 start	     ; <20><><EFBFBD><EFBFBD><EFBFBD> <20><>⪨, <20> <20><><EFBFBD><EFBFBD>ன <20><>稭<EFBFBD><E7A8AD><EFBFBD><EFBFBD><EFBFBD> <20>믮<EFBFBD><EBAFAE><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20>ணࠬ<E0AEA3>
  dd	 I_END	     ; ࠧ<><E0A0A7><EFBFBD> <20>ணࠬ<E0AEA3><E0A0AC>
  dd	 0x1000      ; <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>⢮ <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
  dd	 0x1000      ; <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD>設<EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>
  dd	 0x0	     ; <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><>ப<EFBFBD> <20><>ࠬ<EFBFBD><E0A0AC>஢ (<28><> <20>ᯮ<EFBFBD><E1AFAE><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
  dd	 0x0	     ; <20><>१<EFBFBD>ࢨ஢<E0A2A8><E0AEA2><EFBFBD>
include 'lang.inc'
include '..\..\..\macros.inc' ; 㬥<><E3ACA5>蠥<EFBFBD> ࠧ<><E0A0A7><EFBFBD> <20>ணࠬ<E0AEA3><E0A0AC>
include 'data.inc'



macro  ShowFocus field,reg
{
   local  .nofocus, .exit
     cmp  [focus],field
     jne  .nofocus
   if reg eq
     mov  ecx,0x10e7c750;0x10ddeeff
   else
     mov  reg,0x10e7c750;0x10ddeeff
   end if
     jmp  .exit
   .nofocus:
   if reg eq
     mov  ecx,0x10000000
   else
     mov  reg,0x10000000
   end if
   .exit:
}



str2int:
    xor  eax,eax
    lodsb
    mov  ebx,eax
    shr  ebx,4
    and  eax,0xf
    imul ebx,10
    add  al,bl
    ret

start:
    mcall 29
    mov  [datestr],eax
    mov  esi,datestr
    call str2int
    add  eax,1900
    mov  [Year],eax
    call str2int
    dec  eax
    mov  [Month],eax
    call str2int
    mov  [day_sel],eax
    test byte[esi],0
    jnz  .no2000
    add  [Year],100
  .no2000:
    jmp  upd		; <20><><EFBFBD><EFBFBD><EFBFBD> <20><>稭<EFBFBD><E7A8AD><EFBFBD><EFBFBD><EFBFBD> <20>믮<EFBFBD><EBAFAE><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20>ணࠬ<E0AEA3><E0A0AC>
red:			; <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ᮢ<EFBFBD><E1AEA2><EFBFBD> <20><><EFBFBD><EFBFBD>

    call draw_window

still:			; <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>

    mov  eax,23 		; wait here for event
    mov  ebx,50
    mcall
  .evt:
    mov  ebp,[focus]
    cmp  eax,1		; <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ᮢ<EFBFBD><E1AEA2><EFBFBD> <20><><EFBFBD><EFBFBD> ?
    je	 red		; <20>᫨ <20><> - <20><> <20><><EFBFBD><EFBFBD><EFBFBD> red
    cmp  eax,2		; <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> ?
    je	 key		; <20>᫨ <20><> - <20><> key
    cmp  eax,3		; <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> ?
    je	 button 	; <20>᫨ <20><> - <20><> button

    call draw_clock

    jmp  still		; <20>᫨ <20><>㣮<EFBFBD> ᮡ<>⨥ - <20> <20><>砫<EFBFBD> 横<><E6A8AA>

  key:			; <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
    mov  eax,2		; <20>㭪<EFBFBD><E3ADAA><EFBFBD> 2 - <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> ᨬ<><E1A8AC><EFBFBD><EFBFBD>
    mcall		; <20>맮<EFBFBD> <20><><EFBFBD>⥬<EFBFBD>
    cmp  ah,9
    jne  no_tab
  .tab:
    cmp  ebp,FOCUSABLE
    je	 foc_cycle
    inc  [focus]
  upd:
    call calculate
    jmp  red
  foc_cycle:
    mov  [focus],2
    jmp  upd
  no_tab:
    push eax
    shr  eax,8
    mov  ecx,12
    mov  edi,Fkeys
    repne scasb
    pop  eax
    jnz  .noFkey
    sub  edi,Fkeys+1
    mov  [Month],edi
    jmp  upd
  .noFkey:
    cmp  ebp,4
    jne  no_spinner
    cmp  ah,176
    je	 year_dec
    cmp  ah,179
    je	 year_inc
  no_spinner:
    cmp  ebp,2
    jne  .nomonth
    cmp  ah,177
    je	 noclose.drop
    jmp  still
  .nomonth:
    cmp  ebp,3
    je	 noy_up.year_evt
    cmp  ebp,5
    jne  still
    mov  ebx,[day_sel]
    cmp  ah,176 	; left arrow
    jb	 still
    cmp  ah,179
    ja	 still
    shr  eax,8
    sub  eax,176
    movsx ecx,byte[day_bounds+eax*2]
    movzx eax,byte[day_bounds+eax*2+1]
    add  ecx,ebx
    test eax,eax
    jz	 .chk0
    cmp  ecx,eax
    ja	 still
  .ok:
    mov  [day_sel],ecx
    call draw_days
    jmp  still		; <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><>砫<EFBFBD> 横<><E6A8AA>
  .chk0:
    cmp  ecx,eax
    jle  still
    jmp  .ok

day_bounds db -1,0,7,0,-7,0,1,0 ; left,down,up,right

  button:		; <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD> <20>ணࠬ<E0AEA3><E0A0AC>
    mov  eax,17 	; 17 - <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>䨪<EFBFBD><E4A8AA><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>⮩ <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
    mcall		; <20>맮<EFBFBD> <20><><EFBFBD>⥬<EFBFBD>
    movzx ebx,ah
    cmp  ah,200
    jbe  nodayselect
    sub  ah,200
    mov  byte[day_sel],ah
    cmp  ebp,5
    jne  .redraw
    call draw_days
    jmp  still
  .redraw:
    mov  [focus],5
    jmp  red
  nodayselect:
    cmp  ah,100
    jb	 no_list
    sub  ah,100
    mov  byte[Month],ah
    mov  [focus],2
    jmp  upd
  no_list:
    cmp  ah,1		; <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>䨪<EFBFBD><E4A8AA><EFBFBD><EFBFBD> == 1 ?
    jne  noclose	; <20>᫨ <20><><EFBFBD> - <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> noclose
  close:
    or	 eax,-1 	; <20><>室 <20><> <20>ணࠬ<E0AEA3><E0A0AC>
    mcall		; <20>맮<EFBFBD> <20><><EFBFBD>⥬<EFBFBD>

  noclose:

    cmp  ah,72
    je	 plus_he

    cmp  ah,73
    je	 plus_hd

    cmp  ah,74
    je	 minus_he

    cmp  ah,75
    je	 minus_hd

    cmp  ah,76
    je	 plus_me

    cmp  ah,77
    je	 plus_md

    cmp  ah,78
    je	 minus_me

    cmp  ah,79
    je	 minus_md

    cmp  ah,80
    je	 reset

    cmp  ah,81
    je	 set_date

    cmp  ah,2		; drop down list
    jne  no_dropdn
  .drop:
    mov  [focus],2
    cmp  [dropped],al	; ==0
    jne  red
    call draw_window
    mov  edx,1 shl 31+231
    mov  ecx,31
    mov  eax,8
  .bremove:
    mcall
    dec  edx
    loop .bremove
    call draw_dropdown
    jmp  still
  no_dropdn:
    cmp  ah,3		; year -1
    jne  noy_dn
  year_dec:
    dec  [Year]
    mov  [focus],4
    jmp  upd
  noy_dn:
    cmp  ah,4		; year+1
    jne  noy_up
  year_inc:
    inc  [Year]
    mov  [focus],4
    jmp  upd
  noy_up:
    cmp  ah,5
    jne  noy_click
    mov  [focus],3
    call draw_window
  .still:
    mcall 10
    cmp  eax,2
    jne  still.evt
    mcall 2
  .year_evt:
    mov  ebx,10
    cmp  ah,9
    je	 key.tab
    cmp  ah,8		; backspace
    jne  .nobsp
    mov  eax,[Year]
    xor  edx,edx
    div  ebx
  .ch_year:
    mov  [Year],eax
    call draw_year
    jmp  .still
  .nobsp:
    cmp  ah,13		; enter
    je	 upd
    cmp  ah,182
    jne  .noclear	; del
    xor  eax,eax
    jmp  .ch_year
  .noclear:
    cmp  ah,48
    jb	 .still
    cmp  ah,57
    ja	 .still
    cmp  [Year],1000
    jae  .still
    shr  eax,8
    lea  ecx,[eax-48]
    mov  eax,[Year]
    imul eax,ebx
    add  eax,ecx
    jmp  .ch_year
  noy_click:
    cmp  ah,10
    jne  start
    xor  [new_style],1
    jmp  upd


reset:

    mov  eax,3
    mcall
    mov  ecx,eax
    shl  ecx,16
    shr  ecx,16
    mov  eax,22
    mov  ebx,0x00000000
    mcall

    jmp  still

plus_hd:

    mov  eax,3
    mcall
    mov  ecx,eax
    add  ecx,1
    mov  eax,22
    mov  ebx,0x00000000
    mcall

    jmp  still

plus_he:

    mov  eax,3
    mcall
    mov  ecx,eax
    add  ecx,16
    mov  eax,22
    mov  ebx,0x00000000
    mcall

    jmp  still

minus_hd:

    mov  eax,3
    mcall
    mov  ecx,eax
    sub  ecx,1
    mov  eax,22
    mov  ebx,0x00000000
    mcall

    jmp  still

minus_he:

    mov  eax,3
    mcall
    mov  ecx,eax
    sub  ecx,16
    mov  eax,22
    mov  ebx,0x00000000
    mcall

    jmp  still

plus_md:

    mov  eax,3
    mcall
    mov  ecx,eax
    add  ecx,256
    mov  eax,22
    mov  ebx,0x00000000
    mcall

    jmp  still

plus_me:

    mcall 3
    mov  ecx,eax
    add  ecx,4096
    mcall 22,0x00000000 
    jmp  still

minus_md:

    mcall 3
    mov  ecx,eax
    sub  ecx,256
    mcall 22,0x00000000
    jmp  still

minus_me:

    mcall 3
    mov  ecx,eax
    sub  ecx,4096
    mcall 22,0x00000000
    jmp  still

set_date:

    mov  eax,0x00000000
    mov ebx,[day_sel]
    call additem
    shl  eax,8
    mov  ebx,[Month]
    add  ebx,1
    call additem
    shl  eax,8
    mov  ebx,[Year]
    call additem
    mov  ecx,eax
    mov  eax,22
    mov  ebx,1
    mcall

    jmp  still

additem:

    add  eax,1
    daa
    sub  ebx,1
    cmp  ebx,0
    jne  additem

    ret


;   *********************************************
;   *******  <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> *******
;   *********************************************

draw_clock:

    mcall 3
    mov  ecx,eax
    mcall 47,0x00020100, ,205*65536+280,0x50000000,COL_WINDOW_BG

    shr  ecx,8
    add  edx,20*65536
    mcall

    shr  ecx,8
    add  edx,20*65536
    mcall
    ret

draw_window:

    mcall 12,1 ; <20>㭪<EFBFBD><E3ADAA><EFBFBD> 12: ᮮ<><E1AEAE><EFBFBD><EFBFBD><EFBFBD> <20><> <20><> <20><><EFBFBD><EFBFBD>ᮢ<EFBFBD><E1AEA2> <20><><EFBFBD><EFBFBD>
    xor  eax,eax	; <20>㭪<EFBFBD><E3ADAA><EFBFBD> 0 : <20><>।<EFBFBD><E0A5A4><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD>ᮢ<EFBFBD><E1AEA2><EFBFBD> <20><><EFBFBD><EFBFBD>
    mov  ebx,WIN_X
    mov  ecx,WIN_Y-15
    mov  edx,COL_WINDOW_BG 	   ; 梥<> ࠡ<>祩 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>  RRGGBB,8->color gl
    mov  edi,title		   ; <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
    mcall
    call draw_week

    mcall 8,205*65536+7,290*65536+10,72,COL_TIME_BUTTONS

    mov  ebx,212*65536+7
    inc  edx
    mcall

    mov  ebx,205*65536+7
    mov  ecx,300*65536+10
    inc  edx
    mcall

    mov  ebx,212*65536+7
    inc  edx
    mcall

    mov  ebx,224*65536+7
    mov  ecx,290*65536+10
    inc  edx
    mcall

    mov  ebx,231*65536+7
    inc  edx
    mcall

    mov  ebx,224*65536+7
    mov  ecx,300*65536+10
    inc  edx
    mcall

    mov  ebx,231*65536+7
    inc  edx
    mcall

    mov  ebx,243*65536+14
    mov  ecx,290*65536+20
    inc  edx
    mcall

    mov  ebx,14*65536+110
    mov  ecx,285*65536+22
    mov  esi,0x00d5d5d5
    inc  edx
    mcall

    mov  esi,COL_MONTH_YEAR_B
    mov  edx,10
    or	 edx,1 shl 29+1 shl 30
    mov  ebx,B_NS_X
    mov  ecx,B_NS_Y
    mcall
    add  edx,1-1 shl 29
    mov  ebx,B_TODAY_X+8*(today_end-today_msg)
    mov  ecx,B_TODAY_Y
    mcall
    mov  ecx,B_Y
    mov  ebx,B_MONTH_X
    mov  edx,2
    mcall
    mov  ebx,B_SPIN_X
    inc  edx
    mcall
    add  ebx,B_SPIN_WIDTH shl 16
    inc  edx
    mcall
    call draw_days

	; <20>㭪<EFBFBD><E3ADAA><EFBFBD> 4 : <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD> ⥪<><E2A5AA>
    mcall 4,162*65536+280,0x800000ff,sys_text
    mcall  ,180*65536+302,0x800000ff,minus
    mcall  ,180*65536+292,0x80ff0000,plus
    mcall  , 24*65536+292,0x00000000,set_date_t,15 ;set date text

    mov  ecx,0x10ddeeff 	   ; <20><><EFBFBD><EFBFBD><EFBFBD> 1 <20> 梥<> ( 0xF0RRGGBB )

    mov  edx,n_style
    mov  esi,ns_end-n_style
    mov  ebx,B_NS
    cmp  [new_style],1
    je	 .high
    mov  ecx,0xa0a0a0
    jmp  .int
  .high:
    mov  ecx,COL_NEW_STYLE_T
  .int:
    mcall

    mov  ecx,COL_GO_TODAY_T
    mov  edx,today_msg
    mov  ebx,B_TODAY
    mov  esi,today_end-today_msg
    mcall

    mov  ebx,B_SPIN
    mov  edx,spinner
    mov  esi,3
    ShowFocus 4
    mcall

    mov  edx,[Month]
    movzx  esi,byte[month_name]
    imul edx,esi
    add  edx,month_name+1
    mov  ebx,B_MONTH
    ShowFocus 2
    mcall

    call draw_year
    mov  [dropped],0
    mcall 12,2
    ret 			   ; <20><>室<EFBFBD><E5AEA4> <20><> <20><><EFBFBD>楤<EFBFBD><E6A5A4><EFBFBD>

draw_year:
    mcall 8,B_YEAR_X,B_Y,5,COL_MONTH_YEAR_B
    ShowFocus 3,esi
    mcall 47,0x40001,Year,B_YEAR
    ret

draw_dropdown:
    mov  [dropped],1
    push [Month]
    pop  [focus]
    add  [focus],100
    mov  ecx,12
    mov  edx,100
    push dword month_name+1
    push dword B_DROP
    push dword B_Y+16 shl 16
  .ddd_loop:
    mov  edi,edx
    push ecx
    mov  ebx,B_MONTH_X
    mov  ecx,[esp+4]
    mov  esi,0x6f9fef
    mov  eax,8
    mcall
    shr  eax,1
    mov  ebx,[esp+8]
    xchg edx,[esp+12]
    movzx esi,byte[month_name]
    ShowFocus edi
    mcall
    add  edx,esi
    xchg edx,[esp+12]
    add  dword[esp+8],16
    add  dword[esp+4],16 shl 16
    inc  edx
    pop  ecx
    loop .ddd_loop
    add  esp,12
    ret

draw_week:
    mov  eax,13
    mov  ebx,B_WBAR_X
    mov  ecx,B_WBAR_Y
    mov  edx,COL_WEEKDAY_BG
    mcall
    movzx esi,byte[week_days]
    movzx edi,byte[week_days+1]
    mov  ebx,B_WEEK
    mov  ecx,7
    mov  edx,week_days+2
    mov  eax,4
  .week:
    push ecx
    cmp  ecx,edi
    je	 .holiday
    mov  ecx,0x10000000
    jmp  .noholiday
  .holiday:
    mov  ecx,0x10cc1010
  .noholiday:
    mcall
    add  edx,esi
    add  ebx,B_WX_SHIFT
    pop  ecx
    loop .week
    ret

draw_days:
    mov  eax,13
    mov  ebx,B_DBAR_X
    mov  ecx,B_DBAR_Y
    mov  edx,COL_DATES_BG
    mcall
    call count_days
    cmp  ecx,[day_sel]
    jae  .ok
    mov  [day_sel],ecx
  .ok:
    mov  [number],0
    mov  eax,47
    mov  edx,B_DAYS_Y
    mov  ebx,0x20001
    mov  edi,[firstday]
  .dayloop:
    push ecx
    movzx edx,dx
    mov  esi,edi
    shl  esi,21
    lea  edx,[edx+esi+29 shl 16]
    mov  ecx,edi
    add  cl,[week_days+1]
    cmp  ecx,7
    je	 .holiday
    mov  esi,0x10000000
    jmp  .noholiday
  .holiday:
    mov  esi,0x10cc1010
  .noholiday:
    mov  ecx,number
    inc  dword[ecx]
    pusha
    mov  ebx,edx
    mov  bx,31           ; width
    sub  ebx,8 shl 16
    shrd ecx,edx,16
    mov  cx,29           ; height
    sub  ecx,12 shl 16
    mov  edx,[number]
    cmp  edx,[day_sel]
    je	 .draw_sel
    mov  esi,COL_DATE_BUTTONS
    jmp  .draw_but
  .draw_sel:
    mov  esi,COL_DATE_CURRENT
    cmp  [focus],5
    jne  .draw_but
    mov  esi,COL_DATE_CHANGED 
  .draw_but:
    add  edx,200+1 shl 29
    mov  eax,8
    mcall
    popa
    mcall
	add edx,1 shl 16
	mcall
	sub edx,1 shl 16
    pop  ecx
    inc  edi
    cmp  edi,7
    jne  .nowrap
    xor  edi,edi
    add  dx,B_DAYS_SHIFT
  .nowrap:
    loop .eloop
    jmp  .ex
  .eloop:
    jmp  .dayloop
  .ex:
    ret

count_days:    ; ecx -days in month
    call is_leap_year
    mov  ecx,[Month]
    mov  eax,1
    movzx ecx,byte[day_count+ecx]
    add  ecx,28
    cmp  eax,[leap_year]
    jne  .noleap
    cmp  eax,[Month]
    jne  .noleap
    inc  ecx
  .noleap:
    mov  [day_bounds+3],cl
    mov  [day_bounds+7],cl
    ret

is_leap_year:
    mov  [leap_year],0
    mov  eax,[Year]
    mov  bl,100
    div  bl	     ; ah=Year mod 100, al=Year%100
    test ah,ah
    jz	.century
    shr  ax,8	     ; ax - last 2 digits
  .century:
    test al,11b
    jnz  .noleap
    inc  [leap_year]
  .noleap:
    ret

calculate:
    mov  ebx,[Year]
    mov  eax,[Month]
    sub  eax,2
    jge  .nojf
    dec  ebx
    add  eax,12
  .nojf:
    add  eax,4
    xor  edx,edx
    mov  ecx,153
    imul cx
    mov  ecx,5
    div  cx
    inc  eax
    mov  ecx,365
    imul ecx,ebx
    add  eax,ecx
    mov  ecx,ebx
    shr  ecx,2
    add  eax,ecx
    dec  eax
    cmp  [new_style],0
    je	 .nonew
    add  eax,2
    xchg eax,ebx
    mov  ecx,100
    xor  edx,edx
    div  cx
    sub  ebx,eax
    shr  eax,2
    add  ebx,eax
  .nonew:
    add  ebx,5
    mov  eax,ebx
    xor  edx,edx
    movzx ebx,byte[week_days+1]
    sub  eax,ebx
    inc  eax
    mov  ebx,7
    div  bx
    mov  [firstday],edx
    ret

I_END:	; <20><><EFBFBD><EFBFBD><EFBFBD> <20>ணࠬ<E0AEA3><E0A0AC>
firstday  dd ?
Year dd   ?
Month dd  ?
day_sel   dd ?
all_days  dd ?

datestr   dd  ?
leap_year dd ?
number	  dd ?
year_input dd ?