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Rev 547 Rev 606
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;                   3) use COL0 - COL9 boot parameter
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;                   3) use COL0 - COL9 boot parameter
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;                   0=black,1=white,2=green,3=lilas,4=grey
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;                   0=black,1=white,2=green,3=lilas,4=grey
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;                   5=light-blue,6=blue,7=salad,8=pink,9=yellow
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;                   5=light-blue,6=blue,7=salad,8=pink,9=yellow
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;    version 0.17   17th June 2007
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;    version 0.17   17th June 2007
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;                   diamond (background definition now uses shared memory)
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;                   diamond (background definition now uses shared memory)
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;    version 0.18   9th August 2007
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;                   Mario79
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;                   Open file with parameter in patch:
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;                   Size of parameter - 4 bytes. Parameter starts with the character "\",
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;                   the unused characters are filled by a blank (ASCII 20h).
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;                   '\T  /hd0/1/1.jpg' - set background, mode: tile
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;                   '\S  /hd0/1/1.jpg' - set background, mode: stretch
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               memsize=20000h
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               memsize=20000h
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               org 0
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               org 0
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 PARAMS     =    memsize - 1024
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 PARAMS     =    memsize - 1024
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appname equ 'Jpegview '
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appname equ 'Jpegview '
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version equ '0.17'
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version equ '0.18'
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    cmp     [PARAMS], word "CO"
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    cmp     [PARAMS], word "CO"
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    jne     @f
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    jne     @f
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    cmp     [PARAMS+2], byte "L"
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    cmp     [PARAMS+2], byte "L"
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    je      boot_set_background
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    je      boot_set_background
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@@:
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@@:
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    cmp     byte [PARAMS], "\"
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    jne     @f
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    cmp     [PARAMS+1], byte "S"
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    jne     .tile
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    mov     [drawing_mode],2
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    jmp     @f
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.tile:
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    cmp     [PARAMS+1], byte "T"
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    jne     @f
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    mov     [drawing_mode],1
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@@:
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        cmp     byte [PARAMS], 1
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    cmp     byte [PARAMS], 1
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        jz      ipc_service
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    jz      ipc_service
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    mov     edi, name_string       ; clear string with file name
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    mov     edi, name_string       ; clear string with file name
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    mov     al,  0
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    mov     al,  0
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    mov     ecx, 100
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    mov     ecx, 100
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    rep     stosb
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    rep     stosb
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    mov     ecx, 100               ; calculate length of parameter string
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    mov     ecx, 100               ; calculate length of parameter string
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    mov     edi, PARAMS
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    mov     edi, PARAMS
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    repne   scasb
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    repne   scasb
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    sub     edi, PARAMS
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    sub     edi, PARAMS
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    mov     ecx, edi
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    mov     ecx, edi
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    mov     esi, PARAMS            ; copy parameters to file name
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    mov     esi, PARAMS            ; copy parameters to file name
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    mov     edi, name_string
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    cmp     byte [PARAMS], "\"
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    jne     @f
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    add     esi,4
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    sub     ecx,4
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    mov     edi, name_string
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@@:
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    cld
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    cld
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    rep     movsb
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    rep     movsb
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    cmp     byte [PARAMS], "\"
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    je      boot_set_background.1
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    jmp     START.l1       ; return to beggining of the progra
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- 
 
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    jmp     START.l1       ; return to beggining of the progra
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;******************************************************************************
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boot_set_background:
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;******************************************************************************
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    mov     [drawing_mode],2
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boot_set_background:
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.1:
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    mcall 18,16
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    mcall 18,16
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    cmp   eax,1024*2
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    cmp   eax,1024*2
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        mcall
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        mcall
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    ; Stretch the image to fit
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    ; Stretch the image to fit
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    mov     eax, 15
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    mov     eax, 15
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    mov     ebx, 4
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    mov     ebx, 4
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    mov     ecx, 2
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    mov     ecx, [drawing_mode]  ;2
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    mcall
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    mcall
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    mov     eax, 15
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    mov     eax, 15
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- 
 
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; DATA AREA
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; DATA AREA
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wcolor          dd  0x000000
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wcolor          dd  0x000000
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drawing_mode    dd  2
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title          db  appname,version,0
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title          db  appname,version,0