forked from KolibriOS/kolibrios
01056f99f2
fix maximal cursors count in init_cursors git-svn-id: svn://kolibrios.org@230 a494cfbc-eb01-0410-851d-a64ba20cac60
385 lines
8.5 KiB
PHP
385 lines
8.5 KiB
PHP
struc EVENT
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{ .code rd 1
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rd 5
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.next rd 1 ;+24
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.prev rd 1 ;+28
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}
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EVENT_SIZE equ 32
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virtual at 0
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EVENT EVENT
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end virtual
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align 4
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init_events:
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stdcall kernel_alloc, 1024*EVENT_SIZE
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mov [events], eax
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xor eax, eax
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not eax
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mov edi, event_map
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mov [event_start], edi
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mov ecx, 128/4
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cld
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rep stosd
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mov [event_end], edi
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ret
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align 4
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proc alloc_event
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pushfd
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cli
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mov ebx, [event_start]
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mov ecx, [event_end]
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.l1:
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bsf eax,[ebx]
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jnz .found
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add ebx,4
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cmp ebx, ecx
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jb .l1
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popfd
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xor eax,eax
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ret
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.found:
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btr [ebx], eax
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mov [event_start],ebx
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sub ebx, event_map
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shl ebx, 3
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add eax,ebx
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shl eax,5
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add eax, [events]
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popfd
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xor ebx, ebx
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mov [eax+EVENT.next], ebx
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mov [eax+EVENT.prev], ebx
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ret
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endp
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align 4
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free_event:
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pushfd
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cli
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sub eax, [events]
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shr eax, 5
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mov ebx, event_map
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bts [ebx], eax
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shr eax, 3
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and eax, not 3
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add eax, ebx
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cmp [event_start], eax
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ja @f
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popfd
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ret
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@@:
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mov [event_start], eax
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popfd
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ret
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align 4
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proc send_event stdcall pid:dword, event:dword
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locals
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slot dd ?
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endl
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mov eax, [pid]
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call pid_to_slot
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test eax, eax
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jz .fail
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shl eax, 8
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cmp [PROC_BASE+eax+APPDATA.ev_count], 32
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ja .fail
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mov [slot], eax
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call alloc_event
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test eax, eax
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jz .fail
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mov edi, eax
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mov ecx, 6
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mov esi, [event]
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cld
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rep movsd
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mov esi, eax
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mov eax, [slot]
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mov edi, [PROC_BASE+eax+APPDATA.ev_last]
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mov [esi+EVENT.prev], edi
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test edi, edi
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jz .set_last
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mov [edi+EVENT.next], esi
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.set_last:
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mov edx, [PROC_BASE+eax+APPDATA.ev_first]
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test edx, edx
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jnz @F
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mov [PROC_BASE+eax+APPDATA.ev_first], esi
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@@:
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mov [PROC_BASE+eax+APPDATA.ev_last], esi
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inc [PROC_BASE+eax+APPDATA.ev_count]
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or [PROC_BASE+eax+APPDATA.event_mask], EVENT_EXTENDED
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.fail:
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ret
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endp
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align 4
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proc get_event_ex stdcall, p_ev:dword, timeout:dword
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.wait:
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mov ebx,[CURRENT_TASK]
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shl ebx,8
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cmp [PROC_BASE+ebx+APPDATA.ev_count], 0
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je .switch
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mov esi, [PROC_BASE+ebx+APPDATA.ev_first]
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mov edx, [esi+EVENT.next]
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mov [PROC_BASE+ebx+APPDATA.ev_first], edx
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test edx, edx
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jz @F
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mov [edx+EVENT.prev], 0
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@@:
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jnz @F
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mov [PROC_BASE+ebx+APPDATA.ev_last], edx
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and dword [PROC_BASE+ebx+APPDATA.event_mask], not EVENT_EXTENDED
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@@:
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dec [PROC_BASE+ebx+APPDATA.ev_count]
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mov eax, esi
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and dword [esi], 0xFF00FFFF
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mov edi, [p_ev]
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mov ecx, 6
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cld
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rep movsd
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call free_event
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ret
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.switch:
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mov eax, [0x3010]
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mov [eax+TASKDATA.state], byte 5
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call change_task
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jmp .wait
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endp
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sys_getevent:
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call get_event_for_app
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mov [esp+36],eax
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ret
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align 4
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sys_wait_event_timeout:
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mov ebx,[timer_ticks]
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add ebx,eax
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cmp ebx,[timer_ticks]
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jna .swfet2
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.swfet1:
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call get_event_for_app
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test eax,eax
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jne .eventoccur_time
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call change_task
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cmp ebx,[timer_ticks]
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jg .swfet1
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.swfet2:
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xor eax,eax
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.eventoccur_time:
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mov [esp+36],eax
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ret
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align 4
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sys_waitforevent:
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call get_event_for_app
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test eax,eax
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jne eventoccur
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newwait:
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mov eax, [0x3010]
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mov [eax+TASKDATA.state], byte 5
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call change_task
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mov eax, [event_sched]
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eventoccur:
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mov [esp+36],eax
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ret
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get_event_for_app:
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pushad
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mov edi,[0x3010] ; WINDOW REDRAW
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test [edi+TASKDATA.event_mask],dword 1
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jz no_eventoccur1
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;mov edi,[0x3010]
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cmp [edi-twdw+WDATA.fl_redraw],byte 0
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je no_eventoccur1
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popad
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mov eax,1
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ret
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no_eventoccur1:
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;mov edi,[0x3010] ; KEY IN BUFFER
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test [edi+TASKDATA.event_mask],dword 2
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jz no_eventoccur2
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mov ecx, [0x3000]
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movzx edx,word [0xC000+ecx*2]
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mov eax, [0x3004]
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cmp eax,edx
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jne no_eventoccur2x
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cmp [0xf400],byte 0
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je no_eventoccur2x
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eventoccur2:
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popad
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mov eax,2
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ret
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no_eventoccur2x:
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mov eax, hotkey_buffer
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@@:
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cmp [eax], ecx
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jz eventoccur2
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add eax, 8
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cmp eax, hotkey_buffer+120*8
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jb @b
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no_eventoccur2:
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;mov edi,[0x3010] ; BUTTON IN BUFFER
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test [edi+TASKDATA.event_mask],dword 4
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jz no_eventoccur3
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cmp [0xf500],byte 0
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je no_eventoccur3
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mov ecx, [0x3000]
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movzx edx, word [0xC000+ecx*2]
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mov eax, [0x3004]
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cmp eax,edx
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jnz no_eventoccur3
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popad
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mov eax,[0xf501]
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cmp eax,65535
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je no_event_1
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mov eax,3
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ret
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no_event_1:
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mov [window_minimize],1
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mov [0xf500],byte 0
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xor eax, eax
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ret
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no_eventoccur3:
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;mov edi,[0x3010] ; mouse event
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test [edi+TASKDATA.event_mask],dword 00100000b
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jz no_mouse_event
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mov eax,[0x3000]
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shl eax,8
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test [eax+0x80000+APPDATA.event_mask],dword 00100000b
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jz no_mouse_event
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and [eax+0x80000+APPDATA.event_mask],dword 0xffffffff-00100000b
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popad
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mov eax,6
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ret
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no_mouse_event:
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;mov edi,[0x3010] ; DESKTOP BACKGROUND REDRAW
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test [edi+TASKDATA.event_mask],dword 16
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jz no_eventoccur5
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cmp [0xfff0],byte 2
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jnz no_eventoccur5
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popad
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mov eax,5
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ret
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no_eventoccur5:
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;mov edi,[0x3010] ; IPC
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test [edi+TASKDATA.event_mask],dword 01000000b
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jz no_ipc
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mov eax,[0x3000]
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shl eax,8
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test [eax+0x80000+APPDATA.event_mask],dword 01000000b
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jz no_ipc
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and [eax+0x80000+APPDATA.event_mask],dword 0xffffffff-01000000b
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popad
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mov eax,7
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ret
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no_ipc:
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;mov edi,[0x3010] ; STACK
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test [edi+TASKDATA.event_mask],dword 10000000b
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jz no_stack_event
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mov eax,[0x3000]
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shl eax,8
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test [eax+0x80000+APPDATA.event_mask],dword 10000000b
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jz no_stack_event
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and [eax+0x80000+APPDATA.event_mask],dword 0xffffffff-10000000b
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popad
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mov eax,8
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ret
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no_stack_event:
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test byte [edi+TASKDATA.event_mask+1], 1 ; DEBUG
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jz .test_ext
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mov eax, [0x3000]
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shl eax, 8
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test byte [eax+0x80000+APPDATA.event_mask+1], byte 1
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jz .test_ext
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and byte [eax+0x80000+APPDATA.event_mask+1], not 1
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popad
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mov eax, 9
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ret
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.test_ext:
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mov eax, [0x3000]
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shl eax, 8
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test dword [eax+0x80000+APPDATA.event_mask], EVENT_EXTENDED
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jz .test_IRQ
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mov eax, 10
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ret
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.test_IRQ:
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cmp dword [edi+TASKDATA.event_mask], 0xFFFF
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jbe no_events
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mov esi,0x2e0000 ; IRQ'S AND DATA
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mov ebx,0x00010000
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xor ecx, ecx
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irq_event_test:
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mov edi,[0x3010]
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test [edi+TASKDATA.event_mask],ebx
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jz no_irq_event
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mov edi,ecx
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shl edi,2
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add edi,irq_owner
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mov edx,[edi]
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mov eax,[0x3010]
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mov eax,[eax+TASKDATA.pid]
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cmp edx,eax
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jne no_irq_event
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cmp [esi],dword 0
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jz no_irq_event
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mov eax,ecx
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add eax,16
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mov [esp+28],eax
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popad
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ret
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no_irq_event:
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add esi,0x1000
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shl ebx,1
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inc ecx
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cmp ecx,16
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jb irq_event_test
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no_events:
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popad
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xor eax, eax
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ret
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