462 lines
7.1 KiB
PHP
462 lines
7.1 KiB
PHP
; flat assembler version 1.60
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; Copyright (c) 1999-2005, Tomasz Grysztar
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; All rights reserved.
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;
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; MenuetOS system.inc by VT
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file_info_open: dd 0,0,0xffffff,0x20000,0xf0000
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fullpath_open:; db '/HD/1/EXAMPLE.ASM'
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times MAX_PATH db 0
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file_info_write: dd 1,0,0,0,0xf0000
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fullpath_write:; db '/HD/1/EXAMPLE'
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times MAX_PATH db 0
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file_info_start: dd 16,0,0,0,0xf0000
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fullpath_start:; db '/HD/1/EXAMPLE'
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times MAX_PATH db 0
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_ramdisk db '/RD/1/'
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filepos dd 0x0
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; info by Privalov: starting from FASM 1.51
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; ~3/8 - additional memory
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; ~5/8 - main memory
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init_memory:
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mov [memory_start],0x100000
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mov [memory_end],0x100000+(APP_MEMORY-0x100000)/8*5
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mov [additional_memory],0x100000+(APP_MEMORY-0x100000)/8*5
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mov [additional_memory_end],APP_MEMORY
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ret
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exit_program:
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cmp [_mode],NORMAL_MODE
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je still
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or eax,-1
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int 0x40
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make_timestamp:
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push ebx
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mcall 26,9
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imul eax,10
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pop ebx
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ret
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get_environment_variable:
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mov ecx,[memory_end]
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sub ecx,edi
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cmp ecx,7
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jb out_of_memory
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cmp dword[esi],'INCL'
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jne .finish
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mov esi,_ramdisk
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mov ecx,6
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cld
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rep movsb
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.finish:
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; stc
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ret
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open:
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call make_fullpaths
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; mov eax,fullpath_open
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; DEBUGF '"%s"\n',eax
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mov dword[file_info_open+8],-1
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mcall 58,file_info_open
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or eax,eax ; found
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jz @f
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cmp eax,6
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jne file_error
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@@: mov [filesize],ebx
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clc
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ret
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file_error:
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stc
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ret
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create:
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call make_fullpaths
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ret
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; ebx file handle
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; ecx count of bytes to write
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; edx pointer to buffer
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write:
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pusha
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mov [file_info_write+8],ecx
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mov [file_info_write+12],edx
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mov [filesize],edx
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mov eax,58
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mov ebx,file_info_write
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int 0x40
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popa
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ret
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make_fullpaths:
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pusha
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push edx
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mov esi,path ; open
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; DEBUGF " '%s'",esi
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mov edi,fullpath_open
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cld
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newc1:
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movsb
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cmp byte[esi],0;' '
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jne newc1
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mov esi,[esp]
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cmp byte[esi],'/'
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jne @f
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mov edi,fullpath_open
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@@:
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lodsb
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stosb
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cmp al,0
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jne @b
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; mov ecx,12
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; cld
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; rep movsb
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; mov byte[edi],0
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mov esi,path ; write
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mov edi,fullpath_write
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cld
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newc2:
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movsb
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cmp byte[esi],0;' '
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jne newc2
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mov esi,[esp]
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cmp byte[esi],'/'
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jne @f
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mov edi,fullpath_write
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@@:
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lodsb
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stosb
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cmp al,0
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jne @b
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; mov ecx,12
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; cld
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; rep movsb
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; mov byte[edi],0
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mov esi,path ; start
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mov edi,fullpath_start
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cld
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newc3:
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movsb
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cmp byte[esi],0;' '
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jne newc3
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; mov esi,[esp]
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pop esi
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cmp byte[esi],'/'
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jne @f
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mov edi,fullpath_start
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@@:
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lodsb
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stosb
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cmp al,0
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jne @b
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; mov ecx,12
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; cld
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; rep movsb
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; mov byte[edi],0
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; add esp,4
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popa
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ret
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read:
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pusha
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mov edi,edx
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mov esi,[filepos]
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add esi,0x20000
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cld
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rep movsb
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popa
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; ret
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close: ret
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lseek:
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cmp al,0
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jnz @f
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mov [filepos],0
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@@: cmp al,1
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jnz @f
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@@: cmp al,2
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jnz @f
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mov eax,[filesize]
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mov [filepos],eax
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@@: mov eax,[filepos]
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add eax,edx
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mov [filepos],eax
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ret
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display_character:
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pusha
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cmp [_mode],NORMAL_MODE
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jne @f
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cmp dl,13
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jz dc2
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cmp dl,0xa
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jnz dc1
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and [textxy],0x0000FFFF
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add [textxy],OUTPUTXY and 0xFFFF0000 + 10
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dc2: popa
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ret
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dc1: mov eax,[textxy]
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cmp ax,word[bottom_right]
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ja dc2
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shr eax,16
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cmp ax,word[bottom_right+2]
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ja dc2
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mov [dc],dl
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mcall 4,[textxy],[sc.work_text],dc,1
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add [textxy],0x00060000
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popa
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ret
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@@: mov eax,63
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mov ebx,1
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mov cl,dl
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int 0x40
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popa
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ret
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display_string:
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pusha
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@@: cmp byte[esi],0
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je @f
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mov dl,[esi]
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call display_character
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add esi,1
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jmp @b
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@@: popa
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ret
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display_number:
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push ebx
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mov ecx,1000000000
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xor edx,edx
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xor bl,bl
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display_loop:
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div ecx
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push edx
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cmp ecx,1
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je display_digit
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or bl,bl
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jnz display_digit
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or al,al
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jz digit_ok
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not bl
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display_digit:
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mov dl,al
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add dl,30h
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push ebx ecx
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call display_character
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pop ecx ebx
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digit_ok:
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mov eax,ecx
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xor edx,edx
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mov ecx,10
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div ecx
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mov ecx,eax
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pop eax
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or ecx,ecx
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jnz display_loop
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pop ebx
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ret
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display_user_messages:
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; push [skinh]
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; pop [textxy]
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; add [textxy],OUTPUTXY
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mov [displayed_count],0
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call flush_display_buffer
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cmp [displayed_count],1
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jb line_break_ok
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je make_line_break
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mov ax,word[last_displayed]
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cmp ax,0A0Dh
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je line_break_ok
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cmp ax,0D0Ah
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je line_break_ok
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make_line_break:
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mov esi,lf
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call display_string
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line_break_ok:
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ret
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display_block:
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pusha
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@@: mov dl,[esi]
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call display_character
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inc esi
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loop @b
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popa
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ret
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fatal_error:
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mov esi,error_prefix
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call display_string
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pop esi
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call display_string
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mov esi,error_suffix
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call display_string
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mov esi,lf
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call display_string
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mov al,0FFh
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jmp exit_program
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assembler_error:
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call display_user_messages
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push dword 0
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mov ebx,[current_line]
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get_error_lines:
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push ebx
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test byte [ebx+7],80h
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jz display_error_line
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mov edx,ebx
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find_definition_origin:
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mov edx,[edx+12]
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test byte [edx+7],80h
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jnz find_definition_origin
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push edx
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mov ebx,[ebx+8]
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jmp get_error_lines
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display_error_line:
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mov esi,[ebx]
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call display_string
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mov esi,line_number_start
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call display_string
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mov eax,[ebx+4]
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and eax,7FFFFFFFh
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call display_number
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mov dl,']'
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call display_character
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pop esi
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cmp ebx,esi
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je line_number_ok
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mov dl,20h
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call display_character
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push esi
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mov esi,[esi]
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movzx ecx,byte [esi]
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inc esi
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call display_block
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mov esi,line_number_start
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call display_string
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pop esi
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mov eax,[esi+4]
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and eax,7FFFFFFFh
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call display_number
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mov dl,']'
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call display_character
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line_number_ok:
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mov esi,line_data_start
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call display_string
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mov esi,ebx
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mov edx,[esi]
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call open
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mov al,2
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xor edx,edx
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call lseek
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mov edx,[esi+8]
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sub eax,edx
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push eax
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xor al,al
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call lseek
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mov ecx,[esp]
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mov edx,[additional_memory]
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lea eax,[edx+ecx]
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cmp eax,[additional_memory_end]
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ja out_of_memory
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call read
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call close
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pop ecx
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mov esi,[additional_memory]
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get_line_data:
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mov al,[esi]
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cmp al,0Ah
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je display_line_data
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cmp al,0Dh
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je display_line_data
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cmp al,1Ah
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je display_line_data
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or al,al
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jz display_line_data
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inc esi
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loop get_line_data
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display_line_data:
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mov ecx,esi
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mov esi,[additional_memory]
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sub ecx,esi
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call display_block
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mov esi,cr_lf
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call display_string
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pop ebx
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or ebx,ebx
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jnz display_error_line
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mov esi,error_prefix
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call display_string
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pop esi
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call display_string
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mov esi,error_suffix
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call display_string
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jmp exit_program
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__draw_caption:
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; mcall 48,4
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; mov [skinh],eax
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; mov ebx,eax
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; shr ebx,1
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; adc ebx,1+0x000A0000-4
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; mcall 4,,[sc.grab_text],s_title,[s_title.size]
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mcall 48,4
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mov [skinh],eax
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shr eax,1
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adc eax,0
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add eax,1-4
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push ax
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if center eq true
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mcall 9,PROCESSINFO,-1
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mov ebx,[PROCESSINFO+process_information.x_size]
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shr ebx,1
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sub ebx,header.size*6/2 + 8
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else
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mov ebx,8
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end if
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shl ebx,16
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pop bx
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mcall 4,,[SYSTEMCOLORS+system_colors.grab_text]
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ret
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character db ?,0
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bytes_count dd ?
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textxy dd 0x000500A0
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dc db 0x0
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filesize dd 0x0
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displayed_count dd ?
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last_displayed rb 2
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error_prefix db 'error: ',0
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error_suffix db '.',0
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line_data_start db ':'
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cr_lf db 0Dh,0Ah,0
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line_number_start db ' [',0
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macro dm string { db string,0 } |