204 lines
4.4 KiB
PHP
204 lines
4.4 KiB
PHP
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; Copyright (C) KolibriOS team 2004-2009. 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+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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