forked from KolibriOS/kolibrios
143 lines
3.3 KiB
PHP
143 lines
3.3 KiB
PHP
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; Copyright (C) KolibriOS team 2004-2016. All rights reserved. ;;
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;; Distributed under terms of the GNU General Public License. ;;
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;; ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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$Revision$
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fsReadCMOS:
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out 70h, al
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in al, 71h
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xor ah, ah
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shl ax, 4
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shr al, 4
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aad
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ret
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fsGetTime:
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mov al, 7
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call fsReadCMOS
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ror eax, 8
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mov al, 8
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call fsReadCMOS
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ror eax, 8
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mov al, 9
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call fsReadCMOS
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add eax, 2000
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ror eax, 16
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push eax
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xor eax, eax
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call fsReadCMOS
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ror eax, 8
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mov al, 2
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call fsReadCMOS
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ror eax, 8
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mov al, 4
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call fsReadCMOS
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ror eax, 16
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push eax
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mov esi, esp
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add esp, 8
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fsCalculateTime:
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; in: esi -> data block
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; out: eax = seconds since 01.01.2001
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movzx eax, word [esi+6]
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sub eax, 2001
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jnc @f
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xor eax, eax
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@@:
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mov edx, months
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mov ebx, eax
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inc eax
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test eax, 3
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jnz @f
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add edx, 12
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@@:
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movzx eax, byte [esi+5]
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dec eax
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xor ecx, ecx
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@@:
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dec eax
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js @f
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add cl, [edx+eax]
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adc ch, 0
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jmp @b
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@@:
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mov eax, ebx ; years
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mov edx, 365
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mul edx
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shr ebx, 2
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add eax, ebx
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add eax, ecx
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mov bl, [esi+4]
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dec eax
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add eax, ebx ; days
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mov dl, 24
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mul edx
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mov bl, [esi+2]
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add eax, ebx ; hours
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mov ecx, 60
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mul ecx
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mov bl, [esi+1]
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add eax, ebx ; minutes
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mul ecx
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mov bl, [esi]
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add eax, ebx
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ret
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iglobal
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months db 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31
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months2 db 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31
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endg
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fsTime2bdfe:
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; in: eax = seconds since 01.01.2001
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; edi -> data block
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; out: edi = edi+8
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xor edx, edx
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mov ecx, 60
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div ecx
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mov [edi], dl
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xor edx, edx
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div ecx
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mov [edi+1], dl
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xor edx, edx
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mov cl, 24
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div ecx
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mov [edi+2], dx
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xor edx, edx
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mov cx, 365
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div ecx
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mov ebx, eax
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add ebx, 2001
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shr eax, 2
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sub edx, eax
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jns @f
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dec ebx
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add edx, 365
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test ebx, 3
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jnz @f
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inc edx
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@@:
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xor eax, eax
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mov ecx, months-1
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test ebx, 3
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jnz @f
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add ecx, 12
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@@:
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inc ecx
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inc eax
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sub dl, [ecx]
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jnc @b
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dec dh
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jns @b
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add dl, [ecx]
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inc edx
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mov [edi+4], dl
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mov [edi+5], al
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mov [edi+6], bx
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add edi, 8
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ret
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