forked from KolibriOS/kolibrios
270 lines
6.6 KiB
PHP
270 lines
6.6 KiB
PHP
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; Copyright (C) KolibriOS team 2004-2022. 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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;setting date,time,clock and alarm-clock
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;add sys_settime at servetable as for ex. 22 fcn:
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; 22 - SETTING DATE TIME, CLOCK AND ALARM-CLOCK
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; ebx =0 - set time ecx - 00SSMMHH
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; ebx =1 - set date ecx=00DDMMYY
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; ebx =2 - set day of week ecx- 1-7
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; ebx =3 - set alarm-clock ecx - 00SSMMHH
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; out: 0 -Ok 1 -wrong format 2 -battery low
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sys_settime:
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cli
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mov al, 0x0d
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out 0x70, al
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in al, 0x71
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bt ax, 7
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jnc .bat_low
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cmp ebx, 2 ;day of week
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jne .nosetweek
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test ecx, ecx ;test day of week
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je .wrongtime
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cmp ecx, 7
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ja .wrongtime
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mov edx, 0x70
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call startstopclk
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dec edx
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mov al, 6
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out dx, al
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inc edx
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mov al, cl
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out dx, al
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jmp .endsettime
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.nosetweek: ;set date
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cmp ebx, 1
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jne .nosetdate
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cmp cl, 0x99;test year
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ja .wrongtime
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shl ecx, 4
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cmp cl, 0x90
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ja .wrongtime
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cmp ch, 0x99;test month
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ja .wrongtime
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shr ecx, 4
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test ch, ch
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je .wrongtime
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cmp ch, 0x12
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ja .wrongtime
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shl ecx, 8
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bswap ecx ;ebx=00YYMMDD
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test cl, cl ;test day
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je .wrongtime
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shl ecx, 4
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cmp cl, 0x90
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ja .wrongtime
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shr ecx, 4
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cmp ch, 2 ;February
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jne .testday
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cmp cl, 0x29
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ja .wrongtime
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jmp .setdate
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.testday:
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cmp ch, 8
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jb .testday1 ;Aug-Dec
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bt cx, 8
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jnc .days31
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jmp .days30
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.testday1:
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bt cx, 8 ;Jan-Jul ex.Feb
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jnc .days30
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.days31:
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cmp cl, 0x31
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ja .wrongtime
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jmp .setdate
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.days30:
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cmp cl, 0x30
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ja .wrongtime
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.setdate:
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mov edx, 0x70
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call startstopclk
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dec edx
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mov al, 7 ;set days
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out dx, al
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inc edx
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mov al, cl
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out dx, al
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dec edx
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mov al, 8 ;set months
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out dx, al
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inc edx
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mov al, ch
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out dx, al
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dec edx
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mov al, 9 ;set years
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out dx, al
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inc edx
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shr ecx, 8
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mov al, ch
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out dx, al
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jmp .endsettime
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.nosetdate: ;set time or alarm-clock
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cmp ebx, 3
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ja .wrongtime
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cmp cl, 0x23
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ja .wrongtime
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cmp ch, 0x59
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ja .wrongtime
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shl ecx, 4
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cmp cl, 0x90
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ja .wrongtime
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cmp ch, 0x92
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ja .wrongtime
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shl ecx, 4
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bswap ecx ;00HHMMSS
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cmp cl, 0x59
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ja .wrongtime
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shl ecx, 4
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cmp cl, 0x90
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ja .wrongtime
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shr ecx, 4
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mov edx, 0x70
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call startstopclk
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dec edx
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cmp ebx, 3
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je .setalarm
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xor eax, eax;al=0-set seconds
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out dx, al
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inc edx
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mov al, cl
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out dx, al
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dec edx
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mov al, 2 ;set minutes
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out dx, al
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inc edx
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mov al, ch
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out dx, al
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dec edx
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mov al, 4 ;set hours
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out dx, al
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inc edx
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shr ecx, 8
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mov al, ch
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out dx, al
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jmp .endsettime
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.setalarm:
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mov al, 1;set seconds for al.
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out dx, al
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inc edx
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mov al, cl
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out dx, al
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dec edx
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mov al, 3;set minutes for al.
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out dx, al
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inc edx
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mov al, ch
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out dx, al
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dec edx
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mov al, 5;set hours for al.
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out dx, al
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inc edx
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shr ecx, 8
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mov al, ch
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out dx, al
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dec edx
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mov al, 0x0b;enable irq's
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out dx, al
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inc dx
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in al, dx
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bts ax, 5;set bit 5
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out dx, al
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.endsettime:
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dec edx
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call startstopclk
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sti
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and [esp + SYSCALL_STACK.eax], dword 0
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ret
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.bat_low:
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sti
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mov [esp + SYSCALL_STACK.eax], dword 2
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ret
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.wrongtime:
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sti
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mov [esp + SYSCALL_STACK.eax], dword 1
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ret
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startstopclk:
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mov al, 0x0b
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out dx, al
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inc dx
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in al, dx
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btc ax, 7
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out dx, al
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ret
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align 4
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sys_clock:
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cli
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; Mikhail Lisovin xx Jan 2005
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@@:
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mov al, 10
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out 0x70, al
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in al, 0x71
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test al, al
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jns @f
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mov esi, 1
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call delay_ms
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jmp @b
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@@:
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; end Lisovin's fix
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xor al, al ; seconds
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out 0x70, al
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in al, 0x71
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movzx ecx, al
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mov al, 02 ; minutes
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shl ecx, 16
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out 0x70, al
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in al, 0x71
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movzx edx, al
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mov al, 04 ; hours
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shl edx, 8
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out 0x70, al
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in al, 0x71
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add ecx, edx
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movzx edx, al
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add ecx, edx
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sti
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mov [esp + SYSCALL_STACK.eax], ecx
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ret
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align 4
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sys_date:
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cli
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@@:
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mov al, 10
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out 0x70, al
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in al, 0x71
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test al, al
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jns @f
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mov esi, 1
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call delay_ms
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jmp @b
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@@:
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mov ch, 0
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mov al, 7 ; date
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out 0x70, al
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in al, 0x71
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mov cl, al
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mov al, 8 ; month
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shl ecx, 16
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out 0x70, al
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in al, 0x71
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mov ch, al
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mov al, 9 ; year
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out 0x70, al
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in al, 0x71
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mov cl, al
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sti
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mov [esp + SYSCALL_STACK.eax], ecx
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ret
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