792 lines
12 KiB
NASM
792 lines
12 KiB
NASM
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; ;
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; Tiny MP3 Shoutcast Server v0.1 (vt) ;
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; ;
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; Compile with FASM for Menuet ;
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; ;
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; Listening to port 8008 ;
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; Connect with eg: 192.168.1.22:8008 ;
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; ;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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version equ '0.3'
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use32
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org 0x0
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db 'MENUET01' ; 8 byte id
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dd 0x01 ; header version
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dd START ; program start
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dd I_END ; program image size
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dd 0x80000 ; memory usage
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dd 0x20000 ; stack
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dd 0,0
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include 'lang.inc'
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include 'macros.inc'
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; 0x0+ program image
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; 0x1ffff stack
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; 0x20000 work area for file read
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; 0x40000+ file send buffer ( 100 kb )
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START: ; start of execution
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mov [status],0
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call clear_input
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call draw_window ; at first, draw the window
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still:
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mov eax,23 ; wait here for event
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mov ebx,2
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int 0x40
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call check_events
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call check_connection_status
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cmp [status],4
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je start_transmission
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jmp still
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check_events:
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cmp eax,1 ; redraw request ?
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jz red
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cmp eax,2 ; key in buffer ?
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jz key
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cmp eax,3 ; button in buffer ?
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jz button
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ret
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red: ; redraw
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call draw_window
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ret
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key:
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mov eax,2 ; Just read it and ignore
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int 0x40
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ret
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button: ; button
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mov eax,17 ; get id
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int 0x40
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cmp ah,1 ; close
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jne no_close
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mov eax,-1
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int 0x40
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no_close:
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cmp ah,2 ; button id=2 ?
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jnz tst3
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; open socket
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mov eax,53
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mov ebx,5
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mov ecx,8008 ; local port # - http
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mov edx,0 ; no remote port specified
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mov esi,0 ; no remote ip specified
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mov edi,0 ; PASSIVE open
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int 0x40
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mov [socket], eax
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mov [posy],1
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mov [posx],0
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mov [read_on],1
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call check_for_incoming_data
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call draw_window
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ret
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tst3:
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cmp ah,4
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je close_socket
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cmp ah,6
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je close_socket
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jmp no_socket_close
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close_socket:
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mov edx,eax
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; Close socket
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mov eax, 53
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mov ebx, 8
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mov ecx, [socket]
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int 0x40
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mov esp,0x1fff0
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cmp dh,6
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je read_string
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jmp still
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no_socket_close:
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cmp ah,9
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jne no_bps_add
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add [bps],8*1000
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call draw_window
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ret
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no_bps_add:
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cmp ah,8
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jne no_bps_sub
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sub [bps],8*1000
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call draw_window
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ret
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no_bps_sub:
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ret
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clear_input:
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mov edi,input_text
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mov eax,0
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mov ecx,60*40
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cld
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rep stosb
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ret
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read_string:
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mov [addr],dword filename
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mov [ya],dword 95
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mov edi,[addr]
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mov eax,32
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mov ecx,30
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cld
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rep stosb
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call print_text
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mov edi,[addr]
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f11:
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mov eax,10
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int 0x40
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cmp eax,2
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jne read_done
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mov eax,2
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int 0x40
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shr eax,8
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cmp eax,13
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je read_done
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cmp eax,8
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jnz nobsl
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cmp edi,[addr]
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jz f11
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sub edi,1
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mov [edi],byte 32
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call print_text
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jmp f11
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nobsl:
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cmp eax,dword 31
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jbe f11
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cmp eax,dword 95
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jb keyok
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sub eax,32
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keyok:
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mov [edi],al
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call print_text
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add edi,1
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mov esi,[addr]
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add esi,30
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cmp esi,edi
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jnz f11
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read_done:
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mov ecx,40
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mov eax,0
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cld
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rep movsb
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call print_text
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jmp still
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print_text:
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pusha
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mov eax,13
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mov ebx,56*65536+30*6
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mov ecx,[ya]
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shl ecx,16
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mov cx,8
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mov edx,0xffffff
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int 0x40
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mov eax,4
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mov edx,[addr]
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mov ebx,56*65536
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add ebx,[ya]
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mov ecx,0x000000
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mov esi,30
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int 0x40
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popa
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ret
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wait_for dd 0x0
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transmission_start dd 0x0
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sentbytes dd 0x0
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start_transmission:
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call clear_input
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mov eax,5
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mov ebx,50
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int 0x40
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call check_for_incoming_data
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call draw_window
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call send_header
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mov [fileinfo+4],dword 0 ; start from beginning
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mov [read_to],0x40000
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mov [playpos],0x40000
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mov ecx,1024 / 512
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new_buffer:
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mov eax,[read_to]
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mov ebx,1
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call read_file
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loop new_buffer
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newpart:
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call check_connection_status
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call draw_window
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mov eax,26
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mov ebx,9
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int 0x40
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mov [transmission_start],eax
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mov [sentbytes],0
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newblock:
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mov eax,[read_to]
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mov ebx,2
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call read_file
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wait_more:
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mov eax,26
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mov ebx,9
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int 0x40
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cmp eax,[wait_for]
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jge nomw
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mov eax,5
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mov ebx,1
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int 0x40
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jmp wait_more
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nomw:
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add eax,2
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mov [wait_for],eax
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mov eax,11
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int 0x40
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call check_events
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mov eax,53
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mov ebx,255
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mov ecx,103
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int 0x40
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cmp eax,0
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jne wait_more
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; write to socket
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mov eax,53
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mov ebx,7
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mov ecx,[socket]
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mov edx,[playadd]
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mov esi,[playpos]
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int 0x40
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add [sentbytes],edx
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mov esi,[playpos]
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add esi,[playadd]
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mov edi,0x40000
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mov ecx,110000 / 4
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cld
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rep movsd
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mov eax,[playadd]
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sub [read_to],eax
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call check_for_incoming_data
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call show_progress
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call check_rate
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mov eax, 53
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mov ebx, 6
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mov ecx, [socket]
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int 0x40
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cmp eax,4
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jne end_stream
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cmp [read_to],0x40000
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jge newblock
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end_stream:
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; Close socket
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mov eax, 53
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mov ebx, 8
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mov ecx, [socket]
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int 0x40
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mov eax,5
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mov ebx,5
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int 0x40
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; Open socket
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mov eax,53
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mov ebx,5
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mov ecx,8008 ; local port # - http
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mov edx,0 ; no remote port specified
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mov esi,0 ; no remote ip specified
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mov edi,0 ; PASSIVE open
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int 0x40
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mov [socket], eax
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mov [posy],1
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mov [posx],0
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mov [read_on],0
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call draw_window
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jmp still
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check_rate:
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pusha
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mov eax,[bps]
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xor edx,edx
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mov ebx,8*100
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div ebx
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shl eax,1
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mov [playadd],eax
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mov eax,26
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mov ebx,9
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int 0x40
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sub eax,[transmission_start]
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shr eax,1
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imul eax,[playadd]
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mov edx,0x00dd00
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cmp [sentbytes],eax
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jge sendok
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sub eax,20000
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cmp [sentbytes],eax ; a long buffer underrun correction
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jge no_buffer_overrun ; actually leads to overrun
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mov [sentbytes],eax
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no_buffer_overrun:
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add [playadd],150
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mov edx,0xdd0000
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sendok:
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mov eax,13
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mov ebx,320*65536+10
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mov ecx,105*65536+10
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int 0x40
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mov eax,47
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mov ebx,4*65536
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mov ecx,[playadd]
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mov edx,322*65536+106
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mov esi,0x000000
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; int 0x40
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popa
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ret
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show_progress:
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pusha
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mov eax,13
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mov ebx,236*65536+10*6
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mov ecx,107*65536+8
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mov edx,0xffffff
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int 0x40
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mov ecx,[fileinfo+4]
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imul ecx,512
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mov eax,47 ; file read
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mov ebx,9*65536
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mov edx,236*65536+107
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mov esi,0x000000
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int 0x40
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popa
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ret
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playpos dd 0x100000
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playadd dd 256000 / 8 / 100
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send_header:
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pusha
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mov [playpos],0x40000
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mov esi,fileinfo+5*4
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mov edi,transname
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mov ecx,30
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cld
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rep movsb
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mov eax, 53
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mov ebx, 7
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mov ecx, [socket]
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mov edx, headere-headers
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mov esi, headers
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int 0x40
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popa
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ret
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read_file:
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cmp [read_to],0x40000+2000
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jg cache_ok
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mov [read_on],1
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cache_ok:
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cmp [read_to],0x40000+95500
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jg no_read_1
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mov [fileinfo+12],eax
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mov [fileinfo+8],ebx
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mov eax,58
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mov ebx,fileinfo
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int 0x40
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cmp eax,0
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jne no_read_1
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mov eax,[fileinfo+8]
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add [fileinfo+4],eax
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add [read_to],512*2
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ret
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no_read_1:
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mov [read_on],0
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ret
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check_for_incoming_data:
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pusha
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mov eax, 53
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mov ebx, 2
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mov ecx, [socket]
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int 0x40
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cmp eax,0
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je _ret_now
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new_data:
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mov eax, 53
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mov ebx, 2
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mov ecx, [socket]
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int 0x40
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cmp eax,0
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je _ret
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mov eax,53
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mov ebx,3
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mov ecx,[socket]
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int 0x40
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cmp bl,10
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jne no_lf
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inc [posy]
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mov [posx],0
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jmp new_data
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no_lf:
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cmp bl,20
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jb new_data
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inc [posx]
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cmp [posx],60
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jbe xok
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inc [posy]
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mov [posx],0
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xok:
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cmp [posy],12
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jbe yok
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mov [posy],1
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yok:
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mov eax,[posy]
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imul eax,60
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add eax,[posx]
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mov [input_text+eax],bl
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jmp new_data
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_ret:
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; call draw_window
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_ret_now:
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popa
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ret
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check_connection_status:
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pusha
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mov eax, 53
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mov ebx, 6
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mov ecx, [socket]
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int 0x40
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cmp eax,[status]
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je .ccs_ret
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mov [status],eax
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add eax,48
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mov [text+20],al
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call draw_window
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.ccs_ret:
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popa
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ret
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; *********************************************
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; ******* WINDOW DEFINITIONS AND DRAW ********
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; *********************************************
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draw_window:
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pusha
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mov eax,12 ; function 12:tell os about windowdraw
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mov ebx,1 ; 1, start of draw
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int 0x40
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mov eax,0 ; Draw Window
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mov ebx,50*65536+410
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mov ecx,100*65536+141
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mov edx,0x03ffffff
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mov esi,0x00405080
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mov edi,0x00405080
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int 0x40
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mov eax,4 ; Window label
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mov ebx,8*65536+8
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mov ecx,0x10ffffff
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mov edx,wls
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mov esi,wle-wls
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int 0x40
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mov eax,8 ; Start server
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mov ebx,(25)*65536+21
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mov ecx,57*65536+10
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mov edx,2
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mov esi,0x409040
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int 0x40 ; Stop server
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mov eax,8
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mov ebx,(25)*65536+21
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mov ecx,69*65536+10
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mov edx,4
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mov esi,0x904040
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int 0x40
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mov esi,0x3366d0
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mov eax,8 ; Enter filename
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mov ebx,(25)*65536+21
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mov ecx,93*65536+10
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mov edx,6
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int 0x40
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mov eax,8 ; Decrease transfer rate
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mov ebx,(25)*65536+10
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mov ecx,105*65536+10
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mov edx,8
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int 0x40
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mov eax,8 ; Increase transfer rate
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mov ebx,(36)*65536+10
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mov ecx,105*65536+10
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mov edx,9
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int 0x40
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mov ebx,10*65536+35 ; draw info text
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mov ecx,0x00000000
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mov edx,text
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mov esi,40
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newline:
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mov eax,4
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int 0x40
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add ebx,12
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add edx,40
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cmp [edx],byte 'x'
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jnz newline
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mov eax,4 ; Filename
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mov ebx,56*65536+95
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mov ecx,0x000000
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mov edx,filename
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mov esi,30
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int 0x40
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mov eax,[bps]
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xor edx,edx
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mov ebx,1000
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div ebx
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mov ecx,eax
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mov eax,47
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|
mov ebx,3*65536
|
|
mov edx,58*65536+107
|
|
mov esi,0x00000000
|
|
int 0x40
|
|
|
|
mov [input_text+0],dword 'RECE'
|
|
mov [input_text+4],dword 'IVED'
|
|
mov [input_text+8],dword ': '
|
|
|
|
mov ebx,230*65536+35 ; draw info text
|
|
mov ecx,0x00000000
|
|
mov edx,input_text
|
|
mov esi,28
|
|
mov edi,7
|
|
newline2:
|
|
mov eax,4
|
|
int 0x40
|
|
add ebx,10
|
|
add edx,60
|
|
dec edi
|
|
jnz newline2
|
|
|
|
mov eax,38
|
|
mov ebx,210*65536+210
|
|
mov ecx,22*65536+136
|
|
mov edx,0x6699cc ; 002288
|
|
int 0x40
|
|
|
|
mov eax,38
|
|
mov ebx,211*65536+211
|
|
mov ecx,22*65536+136
|
|
mov edx,0x336699 ; 002288
|
|
int 0x40
|
|
|
|
mov eax,12 ; function 12:tell os about windowdraw
|
|
mov ebx,2 ; 2, end of draw
|
|
int 0x40
|
|
|
|
popa
|
|
|
|
ret
|
|
|
|
|
|
|
|
; DATA AREA
|
|
|
|
text:
|
|
db ' TCB status: 0 '
|
|
db ' '
|
|
db ' Activate - port 8008 '
|
|
db ' Stop server '
|
|
db ' '
|
|
db ' > '
|
|
db ' < > Kbps '
|
|
db 'x'; <- END MARKER, DONT DELETE
|
|
|
|
headers:
|
|
|
|
db 'ICY 200 OK',13,10
|
|
db 'icy-notice1:This stream requires Winamp or xmms',13,10
|
|
db 'icy-url:http://www.menuetos.org',13,10
|
|
db 'icy-pub: 1',13,10
|
|
db 'icy-name: Menuet Mp3 Shoutcast Radio ',version,' - '
|
|
transname:
|
|
db ' ',13,10,13,10
|
|
|
|
headere:
|
|
|
|
wls: db 'MP3 shoutcast server ',version
|
|
wle:
|
|
|
|
socket dd 0
|
|
status dd 0
|
|
|
|
posy dd 1
|
|
posx dd 0
|
|
|
|
read_on db 1
|
|
read_to dd 0
|
|
|
|
addr dd 0
|
|
ya dd 0
|
|
|
|
bps dd 128*1000
|
|
|
|
fileinfo: dd 0,0,0,0,0x20000
|
|
filename: db '/RD/1/MENUET.MP3',0
|
|
times 50 db 0
|
|
|
|
input_text:
|
|
|
|
I_END:
|