621 lines
13 KiB
NASM
621 lines
13 KiB
NASM
;
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; PROCESS MANAGEMENT
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;
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; VTurjanmaa
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; additions by M.Lisovin lisovin@26.ru
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; Compile with FASM for Menuet
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;
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use32
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org 0x0
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STACK_SIZE=1024
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db 'MENUET01' ; 8 byte id
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dd 0x01 ; header version
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dd START ; start of code
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dd I_END ; size of image
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dd U_END+STACK_SIZE ; memory for app
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dd U_END+STACK_SIZE ; esp
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dd 0x0 , 0x0 ; I_Param , I_Icon
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include 'lang.inc'
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include 'macros.inc'
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display_processes=32 ; number of processes to show
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START: ; start of execution
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; calculate window position
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; at the center of the screen
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call calculate_window_pos
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;main loop when process name isn't edited.
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red:
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mov ebp,1
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call draw_window ; redraw all window
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still:
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mov eax,23 ; wait here for event
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mov ebx,100 ; 1 sec.
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int 0x40
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cmp eax,1 ; redraw request ?
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je red
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cmp eax,2 ; key in buffer ?
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je key
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cmp eax,3 ; button in buffer ?
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je button
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still_end:
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xor ebp,ebp ; draw new state of processes
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call draw_window
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jmp still
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key: ; key
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mov eax,2
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int 0x40
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cmp ah,184 ; PageUp
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je pgdn
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cmp ah,183
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je pgup ; PageDown
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cmp ah,27
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je close ; Esc
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jmp still_end
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button:
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; get button id
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mov eax,17
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int 0x40
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shr eax,8
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;id in [10,50] corresponds to terminate buttons.
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cmp eax,10
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jb noterm
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cmp eax,50
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jg noterm
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;calculate button index
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sub eax,11
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;calculate process slot
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mov ecx,[tasklist+4*eax]
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;ignore empty buttons
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test ecx,ecx
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jle still_end
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;terminate application
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mov eax,18
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mov ebx,2
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int 0x40
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jmp still_end
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noterm:
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;special buttons
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cmp eax,51
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jz pgdn
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cmp eax,52
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jz pgup
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cmp eax,53
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jz read_string
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cmp eax,54
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jz program_start
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cmp eax,55
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jz reboot
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cmp eax,1
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jz close
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jmp still_end
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;buttons handlers
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pgdn:
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sub [list_start],display_processes
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cmp [list_start],0
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jge still_end
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mov [list_start],0
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jmp still_end
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pgup:
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mov eax,[list_add] ;maximal displayed process slot
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mov [list_start],eax
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jmp still_end
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program_start:
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mov eax,58
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mov ebx,file_start
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int 0x40
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jmp still_end
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reboot:
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mov eax,18
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mov ebx,1
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int 0x40
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;close program if we going to reboot
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close:
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mov eax,-1 ; close this program
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int 0x40
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draw_next_process:
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;input:
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; edi - current slot
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; [curposy] - y position
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;output:
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; edi - next slot (or -1 if no next slot)
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;registers corrupted!
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;create button
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test ebp,ebp
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jnz .nodelete
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;delete old button
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mov eax,8
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mov edx,[index]
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add edx,(1 shl 31)+11
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int 0x40
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.nodelete:
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;create terminate process button
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mov eax,8
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mov ebx,15*65536+100
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mov ecx,[curposy]
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shl ecx,16
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mov cx,10
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mov edx,[index]
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add edx,11
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mov esi,0xaabbcc
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;contrast
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test dword [index],1
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jz .change_color_button
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mov esi,0x8899aa
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.change_color_button:
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int 0x40
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;draw background for proccess information
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mov eax,13
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mov ebx,115*65536+395
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;ecx was already set
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mov edx,0x88ff88
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;contrast
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test dword [index],1
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jz .change_color_info
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mov edx,0xddffdd
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.change_color_info:
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int 0x40
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;nothing else should be done
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;if there is no process for this button
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test edi,edi
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jl .ret
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;find process
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inc edi
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;more comfortable register for next loop
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mov ecx,edi
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;precacluate pointer to process buffer
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mov ebx,process_info_buffer
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;find process loop
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.find_loop:
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cmp ecx,256
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jge .no_processes
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;load process information in buffer
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mov eax,9
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; mov ebx,process_info_buffer
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int 0x40
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;if current slot greater than maximal slot,
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;there is no more proccesses.
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cmp ecx,eax
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jg .no_processes
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;if slot state is equal to 9, it is empty.
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cmp [process_info_buffer+process_information.slot_state],9
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jnz .process_found
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inc ecx
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jmp .find_loop
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.no_processes:
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mov edi,-1
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ret
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.process_found:
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mov edi,ecx
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mov [list_add],ecx
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;get processor cpeed
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;for percent calculating
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mov eax,18
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mov ebx,5
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int 0x40
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xor edx,edx
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mov ebx,100
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div ebx
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;eax = number of operation for 1% now
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;calculate process cpu usage percent
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mov ebx,eax
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mov eax,[process_info_buffer+process_information.cpu_usage]
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; cdq
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xor edx,edx ; for CPU more 2 GHz - mike.dld
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div ebx
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mov [cpu_percent],eax
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;set text color to display process information
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;([tcolor] variable)
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;0% : black
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;1-80% : green
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;81-100% : red
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test eax,eax
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jg .no_black
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mov [tcolor],eax
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jmp .color_set
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.no_black:
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cmp eax,80
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ja .no_green
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mov dword [tcolor],0x107a30
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jmp .color_set
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.no_green:
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mov dword [tcolor],0xac0000
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.color_set:
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;show slot number
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mov eax,47
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mov ebx,2*65536+1*256
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;ecx haven't changed since .process_found
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; mov ecx,edi
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mov edx,[curposy]
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add edx,20*65536+1
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mov esi,[tcolor]
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int 0x40
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;show process name
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mov eax,4
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mov ebx,[curposy]
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add ebx,50*65536+1
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mov ecx,[tcolor]
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mov edx,process_info_buffer.process_name
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mov esi,11
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int 0x40
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;show pid
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mov eax,47
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mov ebx,8*65536+1*256
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mov ecx,[process_info_buffer.PID]
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mov edx,[curposy]
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add edx,130*65536+1
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mov esi,[tcolor]
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int 0x40
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;show cpu usage
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mov ecx,[process_info_buffer.cpu_usage]
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add edx,60*65536
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int 0x40
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;show cpu percent
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mov ebx,3*65536+0*256
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mov ecx,[cpu_percent]
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add edx,60*65536
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int 0x40
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;show memory start - obsolete
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mov ebx,8*65536+1*256
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mov ecx,[process_info_buffer.memory_start]
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add edx,30*65536
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int 0x40
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;show memory usage
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mov ecx,[process_info_buffer.used_memory]
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inc ecx
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add edx,60*65536
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int 0x40
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;show window stack and value
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mov ecx,dword [process_info_buffer.window_stack_position]
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add edx,60*65536
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int 0x40
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;show window xy size
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mov ecx,[process_info_buffer.x_size]
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shl ecx,16
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add ecx,[process_info_buffer.y_size]
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add edx,60*65536
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int 0x40
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.ret:
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;build index->slot map for terminating processes.
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mov eax,[index]
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mov [tasklist+4*eax],edi
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ret
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read_string:
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;clean string
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mov edi,start_application
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xor eax,eax
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mov ecx,60
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cld
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rep stosb
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call print_text
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mov edi,start_application
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;edi now contains pointer to last symbol
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jmp still1
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;read string main loop
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f11:
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;full update
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push edi
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mov ebp,1
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call draw_window
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pop edi
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still1:
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;wait for message
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mov eax,23
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mov ebx,100
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int 0x40
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cmp eax,1
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je f11
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;if no message - update process information
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cmp eax,0
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jnz .message_received
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push edi ;edi should be saved since draw_window
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xor ebp,ebp ;corrupt registers
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call draw_window
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pop edi
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jmp still1
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.message_received:
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cmp eax,2
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jne read_done ;buttons message
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;read char
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mov eax,2
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int 0x40
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shr eax,8
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;if enter pressed, exit read string loop
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cmp eax,13
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je read_done
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;if backslash pressed?
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cmp eax,8
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jnz nobsl
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;decrease pointer to last symbol
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cmp edi,start_application
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jz still1
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dec edi
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;fill last symbol with space because
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;print_text show all symbols
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mov [edi],byte 32
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call print_text
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jmp still1
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nobsl:
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;write new symbol
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mov [edi],al
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;display new text
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call print_text
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;increment pointer to last symbol
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inc edi
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;compare with end of string
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mov esi,start_application
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add esi,60
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cmp esi,edi
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jnz still1
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;exiting from read string loop
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read_done:
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;terminate string for file functions
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mov [edi],byte 0
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call print_text
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jmp still
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print_text:
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;display start_application string
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pushad
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;display text background
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mov eax,13
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mov ebx,64*65536+62*6
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mov ecx,400*65536+12
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mov edx,0xffffcc ;0xeeeeee
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int 0x40
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;display text
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mov eax,4
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mov edx,start_application ;from start_application string
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mov ebx,70*65536+402 ;text center-aligned
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xor ecx,ecx ;black text
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mov esi,60 ;60 symbols
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int 0x40
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popad
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ret
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window_x_size=524
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window_y_size=430
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calculate_window_pos:
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;set window size and position for 0 function
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;to [winxpos] and [winypos] variables
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;get screen size
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mov eax,14
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int 0x40
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mov ebx,eax
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;calculate (x_screen-window_x_size)/2
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shr ebx,16+1
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sub ebx,window_x_size/2
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shl ebx,16
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mov bx,window_x_size
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;winxpos=xcoord*65536+xsize
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mov [winxpos],ebx
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;calculate (y_screen-window_y_size)/2
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and eax,0xffff
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shr eax,1
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sub eax,window_y_size/2
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shl eax,16
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mov ax,window_y_size
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;winypos=ycoord*65536+ysize
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mov [winypos],eax
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ret
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; *********************************************
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; ******* WINDOW DEFINITIONS AND DRAW ********
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; *********************************************
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draw_window:
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;ebp=1 - redraw all
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;ebp=0 - redraw only process information
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test ebp,ebp
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jz .show_process_info
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mov eax,12 ; function 12:tell os about windowdraw
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mov ebx,1 ; 1, start of draw
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int 0x40
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; DRAW WINDOW
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xor eax,eax ; function 0 : define and draw window
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mov ebx,[winxpos] ; [x start] *65536 + [x size]
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mov ecx,[winypos] ; [y start] *65536 + [y size]
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mov edx,0x03ddffdd ;ffffff ; color of work area RRGGBB,8->color
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mov esi,0x805080d0 ; color of grab bar RRGGBB,8->color gl
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mov edi,0x005080d0 ; color of frames RRGGBB
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int 0x40
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; WINDOW CAPTION
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mov eax,4 ; function 4 : write text to window
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mov ebx,8*65536+8 ; [x start] *65536 + [y start]
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mov ecx,0x10ffffff ; font 1 & color ( 0xF0RRGGBB )
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mov edx,labelt ; pointer to text beginning
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mov esi,labellen-labelt ; text length
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int 0x40
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mov ebx,22*65536+35 ; draw info text with function 4
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xor ecx,ecx
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mov edx,text
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mov esi,79
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mov eax,4
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int 0x40
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.show_process_info:
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mov edi,[list_start]
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mov [list_add],edi
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mov dword [index],0
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mov dword [curposy],54
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.loop_draw:
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call draw_next_process
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inc dword [index]
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add dword [curposy],10
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cmp [index],display_processes
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jl .loop_draw
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test ebp,ebp
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jz .end_redraw
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mov eax,8
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mov esi,0xaabbcc
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; previous page button
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mov ebx,30*65536+96
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mov ecx,380*65536+10
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mov edx,51
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int 0x40
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; next page button
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mov ebx,130*65536+96
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inc edx
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int 0x40
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; ">" (text enter) button
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mov ebx,30*65536+20
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add ecx,20 shl 16
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inc edx
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int 0x40
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; run button
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mov ebx,456*65536+50
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inc edx
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int 0x40
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; reboot button
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sub ebx,120*65536
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add ebx,60
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sub ecx,20 shl 16
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inc edx
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int 0x40
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;"PREV PAGE", "NEXT PAGE" and "REBOOT" labels
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mov eax,4
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mov ebx,50*65536+382
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xor ecx,ecx
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mov edx,tbts
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mov esi,tbte-tbts
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int 0x40
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;">" labels
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mov eax,4
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mov ebx,40*65536+402
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xor ecx,ecx
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mov edx,tbts_2
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mov esi,1
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int 0x40
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;"RUN" labels
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mov eax,4
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mov ebx,475*65536+402
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xor ecx,ecx
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mov edx,tbts_3
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mov esi,tbte_2-tbts_3
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int 0x40
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;print application name in text box
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call print_text
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mov eax,12 ; function 12:tell os about windowdraw
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mov ebx,2 ; 2, end of draw
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int 0x40
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.end_redraw:
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ret
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; DATA AREA
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list_start dd 0
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file_start: dd 16
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dd 0,0,0,run_process_buffer
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start_application: db '/RD/1/LAUNCHER',0
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times 60 db 32
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text:
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db ' NAME/TERMINATE PID CPU-USAGE % '
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db 'MEMORY START/USAGE W-STACK W-SIZE'
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tbts: db 'PREV PAGE NEXT PAGE REBOOT SYSTEM'
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tbte:
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tbts_2 db '>'
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tbts_3 db 'RUN'
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tbte_2:
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labelt:
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db 'Processes - Ctrl/Alt/Del'
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labellen:
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I_END:
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winxpos rd 1
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winypos rd 1
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cpu_percent rd 1
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tcolor rd 1
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list_add rd 1
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curposy rd 1
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index rd 1
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tasklist rd display_processes
|
|
run_process_buffer:
|
|
process_info_buffer process_information
|
|
rb 4096-($-run_process_buffer) ;rest of run_process_buffer
|
|
U_END:
|