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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; IRQ0 HANDLER (TIMER INTERRUPT) ;;
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;; IRQ0 HANDLER (TIMER INTERRUPT) ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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align 32
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irq0:
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align 32
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irq0:
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        cmp   [error_interrupt],-1
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        je    no_error_in_previous_process
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        mov   edi,[error_interrupt]
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        shl   edi, 3
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        mov   [edi+tss0i_l +5], word 01010000b *256 +11101001b
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        mov   edi,[error_interrupt]
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        shl   edi,7
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        add   edi,0x290000
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        mov   esi,[error_interrupt_entry]
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        mov   [edi+l.eip-tss_sceleton],esi
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        cmp   [error_interrupt],-1
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        mov   [edi+l.eflags-tss_sceleton],dword 0x11002
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        je    no_error_in_previous_process
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        mov   [0x3000],ebx
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        mov   [0x3000],ebx
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        mov   [0x3010],edi
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        mov   [0x3010],edi
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      do_not_change_task:
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        ;mov   edx,[0x3000]
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        ;lea   edx,[tss0sys+8*edx]
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        ;mov   [8*0x40+idts+8+0], word 0
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        ;mov   [8*0x40+idts+8+2],dx
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        ;mov   [8*0x40+idts+8+4],word 11100101b*256
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        ;mov   [8*0x40+idts+8+6], word 0
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      do_not_change_task:
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        call  _rdtsc
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        call  _rdtsc
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        mov   [edi+0x18],eax
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        mov   [edi+0x18],eax
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        mov   dx,0x20
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        mov   dx,0x20
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        out   dx,al
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        out   dx,al
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.switch:
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.switch:
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        jmp   pword [0xB000]
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        jmp   pword [0xB000]
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        inc [context_counter] ;noname & halyavin
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        inc [context_counter] ;noname & halyavin
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        jmp   irq0
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        jmp   irq0
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iglobal
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iglobal
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context_counter dd 0 ;noname & halyavin
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context_counter dd 0 ;noname & halyavin