mirror of
https://github.com/KolibriOS/kolibrios.git
synced 2024-12-27 08:49:40 +03:00
389 lines
5.6 KiB
NASM
389 lines
5.6 KiB
NASM
;
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; EYES FOR MENUET
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;
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; Written by Nikita Lesnikov (nlo_one@mail.ru)
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;
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; Position of "eyes" is fixed. To close "eyes" just click on them.
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;
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; NOTE: quite big timeout is used to disable blinking when redrawing.
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; If "eyes" blink on your system, enlarge the TIMEOUT. If not, you can
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; decrease it due to more realistic movement.
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;
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TIMEOUT equ 5
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; EXECUTABLE HEADER
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use32
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org 0x0
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db "MENUET01"
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dd 0x01
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dd ENTRANCE
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dd EYES_END
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dd 0x3000
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dd 0x3000
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dd 0x0
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dd 0x0
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include '..\..\..\macros.inc'
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ENTRANCE: ; start of code
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; ==== main ====
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call prepare_eyes
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call shape_window
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still:
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call draw_eyes ; draw those funny "eyes"
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mov eax,23 ; wait for event with timeout
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mov ebx,TIMEOUT
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mcall
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cmp eax,1 ; redraw ?
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jnz no_draw
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call redraw_overlap
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no_draw:
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cmp eax,2 ; key ?
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jz key
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cmp eax,3 ; button ?
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jz button
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jmp still ; loop
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; EVENTS
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key:
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mov eax,2 ; just read and ignore
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mcall
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jmp still
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button: ; analyze button
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mov eax,-1 ; this is button 1 - we have only one button :-)
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mcall
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jmp still
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; -====- declarations -====-
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imagedata equ EYES_END
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skindata equ EYES_END+925
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winref equ EYES_END+6325
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; -====- shape -====-
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shape_window:
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mov eax,50 ; set up shape reference area
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mov ebx,0
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mov ecx,winref
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mcall
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ret
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; -====- redrawing -====-
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draw_eyes: ; check mousepos to disable blinking
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mov eax,37
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xor ebx,ebx
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mcall
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cmp dword [mouse],eax
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jne redraw_ok
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ret
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redraw_ok:
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mov [mouse],eax
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redraw_overlap: ; label for redraw event (without checkmouse)
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mov eax,12
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mov ebx,1
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mcall
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xor eax,eax ; define window
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mov ebx,[win_ebx]
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mov ecx,[win_ecx]
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xor edx,edx
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xor esi,esi
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xor edi,edi
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mcall
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mov eax,8 ; define closebutton
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mov ebx,60
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mov ecx,45
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mov edx,1
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mcall
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mov eax,7
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mov ebx,skindata
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mov ecx,60*65536+30
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mov edx,15
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mcall
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mov eax,15
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mov ebx,30
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call draw_eye_point
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add eax,30
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call draw_eye_point
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mov eax,12
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mov ebx,2
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mcall
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ret
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draw_eye_point: ; draw eye point (EAX=X, EBX=Y)
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pusha
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mov ecx, [mouse] ; ecx = mousex, edx = mousey
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mov edx,ecx
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shr ecx,16
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and edx,0xFFFF
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; ===> calculate position
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push eax
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push ebx
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mov byte [sign1],0
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mov esi, [win_ebx]
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shr esi,16
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add eax,esi
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sub ecx,eax ; ECX=ECX-EAX (signed) , ECX=|ECX|
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jnc abs_ok_1
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neg ecx
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mov byte [sign1],1
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abs_ok_1:
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mov [temp1],ecx
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mov byte [sign2],0
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mov esi,[win_ecx]
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shr esi,16
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add ebx,esi
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sub edx,ebx ; EDX=EDX-EBX (signed) , EDX=|EDX|
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jnc abs_ok_2
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neg edx
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mov byte [sign2],1
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abs_ok_2:
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mov [temp2],edx
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pop ebx
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pop eax
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push eax ; ECX*=ECX
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push edx
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xor eax,eax
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xor edx,edx
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mov ax,cx
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mul cx
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shl edx,16
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or eax,edx
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mov ecx,eax
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pop edx
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pop eax
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push eax ; EDX*=EDX
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push ecx
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mov ecx,edx
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xor eax,eax
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xor edx,edx
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mov ax,cx
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mul cx
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shl edx,16
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or eax,edx
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mov edx,eax
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pop ecx
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pop eax
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push ebx
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push ecx
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push edx
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push eax
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mov ebx,ecx ; EBX=ECX+EDX
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add ebx,edx
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xor edi,edi ; ESI=SQRT(EBX)
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mov ecx,edi
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mov edx,edi
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inc edi
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mov eax,edi
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inc edi
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sqrt_loop:
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add ecx,eax
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add eax,edi
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inc edx
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cmp ecx,ebx
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jbe sqrt_loop
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dec edx
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mov esi,edx
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mov ax,si ; ESI=ESI/7
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mov dl,7
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div dl
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and ax,0xFF
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mov si,ax ; ESI ? 0 : ESI=1
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jnz nozeroflag1
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mov si,1
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nozeroflag1:
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pop eax
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pop edx
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pop ecx
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pop ebx
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push eax ; ECX=[temp1]/ESI
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push edx
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mov eax,[temp1]
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mov dx,si
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div dl
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mov cl,al
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and ecx,0xFF
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pop edx
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pop eax
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cmp byte [sign1],1
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je subtract_1
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add eax,ecx ; EAX=EAX+ECX
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jmp calc_ok_1
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subtract_1:
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sub eax,ecx ; EAX=EAX-ECX
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calc_ok_1:
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push eax ; EDX=[temp2]/ESI
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push ecx
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mov eax,[temp2]
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mov dx,si
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div dl
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mov dl,al
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and dx,0xFF
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pop ecx
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pop eax
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cmp byte [sign2],1
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je subtract_2
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add ebx,edx ; EBX=EBX+EDX
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jmp calc_ok_2
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subtract_2:
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sub ebx,edx ; EBX=EBX-EDX
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calc_ok_2:
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; <===
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mov ecx,ebx ; draw point
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mov ebx,eax
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mov eax,13
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dec ecx
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dec ecx
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dec ebx
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dec ebx
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shl ecx,16
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add ecx,4
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shl ebx,16
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add ebx,4
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mov eax,13
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xor edx,edx
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mcall
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popa
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ret
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; -====- working on images and window -====-
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prepare_eyes:
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;mov eax,6 ; load EYES.RAW
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;mov ebx,graphix
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;mov ecx,0x00000000
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;mov edx,0xFFFFFFFF
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;mov esi,imagedata
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;mcall
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;cmp eax,0xFFFFFFFF
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;jnz filefound
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;mov eax,-1 ; file not exists...
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;mcall
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;filefound:
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mov esi,imagedata+25 ; transform grayscale to putimage format
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mov edi,skindata
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mov ecx,30
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transform_loop:
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push ecx
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mov ecx,30
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lp1:
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lodsb
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stosb
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stosb
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stosb
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loop lp1
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sub esi,30
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mov ecx,30
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lp2:
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lodsb
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stosb
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stosb
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stosb
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loop lp2
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pop ecx
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loop transform_loop
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mov eax,14 ; calculating screen position
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mcall
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shr eax,1
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mov ax,59
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sub eax,30*65536
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mov [win_ebx],eax
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mov [win_ecx],dword 10*65536+44
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mov esi,imagedata+25 ; calculate shape reference area
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mov edi,winref
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mov ecx,900 ; disable drag bar
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mov al,0
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rep stosb
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mov ecx,30 ; calculate circles for eyes
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shape_loop:
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push ecx
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call copy_line ; duplicate (we have two eyes :)
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sub esi,30
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call copy_line
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pop ecx
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loop shape_loop
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ret
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copy_line: ; copy single line to shape reference area
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mov ecx,30
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cpl_loop:
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lodsb
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cmp al,0xFF
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jnz set_one
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mov al,0
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jmp cpl_ok
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set_one:
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mov al,1
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cpl_ok:
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stosb
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loop cpl_loop
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ret
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; DATA
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; environment
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win_ebx dd 0x0
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win_ecx dd 0x0
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mouse dd 0xFFFFFFFF
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;graphix db "EYES.RAW "
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; temporary storage for math routines
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temp1 dd 0
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temp2 dd 0
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sign1 db 0
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sign2 db 0
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EYES_END: ; end of code
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file "eyes.raw"
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