mirror of
https://github.com/KolibriOS/kolibrios.git
synced 2024-12-23 23:26:49 +03:00
272 lines
6.0 KiB
PHP
272 lines
6.0 KiB
PHP
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; Copyright (C) KolibriOS team 2004-2011. All rights reserved. ;;
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;; Copyright (C) MenuetOS 2000-2004 Ville Mikael Turjanmaa ;;
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;; Distributed under terms of the GNU General Public License ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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$Revision$
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sys_cd_audio:
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cmp word [cdbase], word 0
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jnz @f
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mov eax, 1
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ret
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@@:
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; eax=1 cdplay at ebx 0x00FFSSMM
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; eax=2 get tracklist size of ecx to [ebx]
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; eax=3 stop/pause playing
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cmp eax, 1
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jnz nocdp
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call sys_cdplay
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ret
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nocdp:
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cmp eax, 2
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jnz nocdtl
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mov edi, [TASK_BASE]
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add edi, TASKDATA.mem_start
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add ebx, [edi]
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call sys_cdtracklist
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ret
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nocdtl:
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cmp eax, 3
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jnz nocdpause
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call sys_cdpause
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ret
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nocdpause:
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mov eax, 0xffffff01
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ret
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sys_cd_atapi_command:
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pushad
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mov dx, word [cdbase]
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add dx, 6
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mov ax, word [cdid]
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out dx, al
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mov esi, 10
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call delay_ms
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mov dx, word [cdbase]
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add dx, 7
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in al, dx
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and al, 0x80
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cmp al, 0
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jnz res
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jmp cdl6
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res:
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mov dx, word [cdbase]
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add dx, 7
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mov al, 0x8
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out dx, al
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mov dx, word [cdbase]
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add dx, 0x206
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mov al, 0xe
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out dx, al
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mov esi, 1
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call delay_ms
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mov dx, word [cdbase]
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add dx, 0x206
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mov al, 0x8
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out dx, al
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mov esi, 30
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call delay_ms
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xor cx, cx
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cdl5:
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inc cx
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cmp cx, 10
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jz cdl6
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mov dx, word [cdbase]
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add dx, 7
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in al, dx
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and al, 0x88
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cmp al, 0x00
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jz cdl5
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mov esi, 100
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call delay_ms
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jmp cdl5
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cdl6:
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mov dx, word [cdbase]
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add dx, 4
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mov al, 0
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out dx, al
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mov dx, word [cdbase]
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add dx, 5
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mov al, 0
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out dx, al
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mov dx, word [cdbase]
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add dx, 7
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mov al, 0xec
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out dx, al
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mov esi, 5
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call delay_ms
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mov dx, word [cdbase]
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add dx, 1
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mov al, 0
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out dx, al
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add dx, 1
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mov al, 0
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out dx, al
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add dx, 1
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mov al, 0
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out dx, al
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add dx, 1
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mov al, 0
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out dx, al
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add dx, 1
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mov al, 128
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out dx, al
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add dx, 2
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mov al, 0xa0
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out dx, al
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xor cx, cx
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mov dx, word [cdbase]
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add dx, 7
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cdl1:
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inc cx
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cmp cx, 100
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jz cdl2
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in al, dx
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and ax, 0x88
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cmp al, 0x8
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jz cdl2
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mov esi, 2
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call delay_ms
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jmp cdl1
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cdl2:
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popad
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ret
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sys_cdplay:
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mov ax, 5
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push ax
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push ebx
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cdplay:
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call sys_cd_atapi_command
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cli
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mov dx, word [cdbase]
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mov ax, 0x0047
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out dx, ax
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mov al, 1
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mov ah, [esp+0]; min xx
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out dx, ax
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mov ax, [esp+1]; fr sec
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out dx, ax
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mov ax, 256+99
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out dx, ax
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mov ax, 0x0001
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out dx, ax
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mov ax, 0x0000
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out dx, ax
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mov esi, 10
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call delay_ms
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sti
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add dx, 7
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in al, dx
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test al, 1
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jz cdplayok
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mov ax, [esp+4]
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dec ax
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mov [esp+4], ax
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cmp ax, 0
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jz cdplayfail
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jmp cdplay
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cdplayfail:
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cdplayok:
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pop ebx
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pop ax
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xor eax, eax
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ret
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sys_cdtracklist:
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push ebx
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tcdplay:
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call sys_cd_atapi_command
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mov dx, word [cdbase]
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mov ax, 0x43+2*256
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out dx, ax
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mov ax, 0x0
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out dx, ax
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mov ax, 0x0
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out dx, ax
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mov ax, 0x0
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out dx, ax
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mov ax, 200
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out dx, ax
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mov ax, 0x0
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out dx, ax
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in al, dx
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mov cx, 1000
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mov dx, word [cdbase]
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add dx, 7
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cld
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cdtrnwewait:
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mov esi, 10
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call delay_ms
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in al, dx
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and al, 128
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cmp al, 0
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jz cdtrl1
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loop cdtrnwewait
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cdtrl1:
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; read the result
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mov ecx, [esp+0]
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mov dx, word [cdbase]
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cdtrread:
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add dx, 7
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in al, dx
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and al, 8
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cmp al, 8
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jnz cdtrdone
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sub dx, 7
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in ax, dx
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mov [ecx], ax
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add ecx, 2
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jmp cdtrread
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cdtrdone:
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pop ecx
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xor eax, eax
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ret
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sys_cdpause:
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call sys_cd_atapi_command
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mov dx, word [cdbase]
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mov ax, 0x004B
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out dx, ax
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mov ax, 0
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out dx, ax
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mov ax, 0
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out dx, ax
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mov ax, 0
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out dx, ax
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mov ax, 0
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out dx, ax
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mov ax, 0
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out dx, ax
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mov esi, 10
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call delay_ms
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add dx, 7
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in al, dx
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xor eax, eax
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ret
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