forked from KolibriOS/kolibrios
242 lines
3.2 KiB
NASM
242 lines
3.2 KiB
NASM
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format MS COFF
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public EXPORTS
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section '.flat' code readable writable align 16
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version:
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mov eax, 10
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ret
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; int __stdcall convert (const char filename[], char buffer[], int mode)
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convert:
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mov eax, [esp+4]
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mov dword [filename], eax
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mov eax, [esp+8]
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mov dword [buffer], eax
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mov eax, [esp+12]
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mov dword [mode], eax
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pushad
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mov eax, 68
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mov ebx, 11
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int 0x40
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mov dword [file_in], 5
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mov dword [file_in+4], 0
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mov dword [file_in+8], 0
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mov dword [file_in+12], 0
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mov dword [file_in+16], bdvk
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mov byte [file_in+20], 0
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mov eax, [filename]
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mov dword [file_in+21], eax
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mov eax, 70
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mov ebx, file_in
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int 0x40
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mov dword eax, [bdvk+32]
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mov dword [buf_len], eax
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mov eax, 68
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mov ebx, 12
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mov ecx, [buf_len]
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int 0x40
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mov [buf], eax
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cmp eax, 0
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jne _mem_ok
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popad
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mov eax, -1
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ret 12
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_mem_ok:
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mov dword [file_in], 0
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mov dword [file_in+4], 0x600
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mov dword [file_in+8], 0
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mov eax, [buf_len]
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sub eax, 0x600
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mov [buf_len], eax
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mov dword [file_in+12], eax
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mov eax, [buf]
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mov dword [file_in+16], eax
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mov byte [file_in+20], 0
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mov eax, [filename]
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mov dword [file_in+21], eax
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mov eax, 70
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mov ebx, file_in
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int 0x40
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call translate
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mov eax, 68
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mov ebx, 13
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mov ecx, [buf]
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int 0x40
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popad
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mov eax, [result]
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ret 12
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translate:
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pushad
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xor ebx, ebx
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mov [result], 0
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mov ecx, [buf] ; ¢å®¤®© ¡ãä¥à
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mov edx, [buffer] ; ¢ë室®© ¡ãä¥à
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_translate_loop:
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cmp ebx, [buf_len]
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je _translate_end
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mov byte al, [ecx]
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inc ecx
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inc ebx
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mov byte ah, [ecx]
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cmp ah, 0
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jne _translate_next1
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cmp al, 0
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je _translate_end
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cmp al, 13
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jne _translate_no13
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mov byte [edx], 0x0d
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inc edx
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mov byte [edx], 0x0a
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inc edx
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mov byte [edx], 32
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inc edx
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mov byte [edx], 32
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inc edx
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mov byte [edx], 32
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inc edx
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mov al, 32
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jmp _translate_copy
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_translate_no13:
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cmp al, 0x1f
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jg _translate_eng_1
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inc ecx
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inc ebx
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jmp _translate_loop
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_translate_eng_1:
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cmp al, 0x7f
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jle _translate_eng_2
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inc ecx
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inc ebx
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jmp _translate_loop
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_translate_eng_2:
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jmp _translate_copy
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_translate_next1:
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cmp ah, 4
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jne _translate_next2
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cmp al, 0x2f
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jb _translate_rus_s
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and eax, 0xff
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add eax, rus_big
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sub eax, 0x10
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mov al, [eax]
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jmp _translate_copy
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_translate_rus_s:
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and eax, 0xff
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add eax, rus_small
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sub eax, 0x30
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mov al, [eax]
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jmp _translate_copy
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_translate_next2:
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cmp ah, 0x20
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jne _translate_next3
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_translate_next3:
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_translate_copy:
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mov byte [edx], al
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inc ecx
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inc edx
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inc ebx
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inc [result]
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jmp _translate_loop
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_translate_end:
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popad
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ret
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align 16
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EXPORTS:
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dd szVersion, version
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dd szConvert, convert
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dd 0, 0
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szVersion db 'version',0
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szConvert db 'convert',0
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buf dd 0
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buf_len dd 0
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result dd 0
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mode dd 0
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buffer dd 0
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filename dd 0
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rus_big db '€<>‚ƒ„…†‡ˆ‰Š‹Œ<E280B9>Ž<EFBFBD><C5BD>‘’“”•–—˜™š›œ<E280BA>žŸ'
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rus_small db ' ¡¢£¤¥¦§¨©ª«¬®¯àáâãäåæçèéêëìíîï'
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section '.data' data readable writable align 16
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file_in rd 1
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rd 1
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rd 1
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rd 1
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rd 1
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rb 1
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rd 1
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bdvk rd 1
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rb 1
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rb 3
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rb 4
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rb 4
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rb 4
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rb 4
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rb 4
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rb 4
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rd 1
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rd 1
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