forked from KolibriOS/kolibrios
204 lines
5.2 KiB
PHP
204 lines
5.2 KiB
PHP
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; Copyright (C) KolibriOS team 2004-2011. 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: 2455 $
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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+36-4], dword 0
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ret
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bat_low:
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sti
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mov [esp+36-4], dword 2
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ret
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wrongtime:
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sti
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mov [esp+36-4], 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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