forked from KolibriOS/kolibrios
16f5992719
New functions for work with system calls KolibriOS are added. Functions for format output are added: printf (), fprintf (), sprintf (), snprintf (), vsnprintf (). For material numbers it is meanwhile supported only format output the (%f), and exponential output a (%e) is not realized yet. Functions for format output correctly work only in GCC because TinyC incorrectly works with the functions containing variable number of arguments. git-svn-id: svn://kolibrios.org@647 a494cfbc-eb01-0410-851d-a64ba20cac60
423 lines
7.8 KiB
PHP
423 lines
7.8 KiB
PHP
;
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; Formatted Debug Output (FDO)
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; Copyright (c) 2005-2006, mike.dld
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; Created: 2005-01-29, Changed: 2006-11-10
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;
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; For questions and bug reports, mail to mike.dld@gmail.com
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;
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; Available format specifiers are: %s, %d, %u, %x (with partial width support)
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;
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; to be defined:
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; __DEBUG__ equ 1
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; __DEBUG_LEVEL__ equ 5
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macro debug_func name {
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if used name
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name@of@func equ name
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}
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macro debug_beginf {
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align 4
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name@of@func:
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}
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debug_endf fix end if
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macro DEBUGS _sign,[_str] {
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common
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local tp
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tp equ 0
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match _arg:_num,_str \{
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DEBUGS_N _sign,_num,_arg
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tp equ 1
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\}
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match =0 _arg,tp _str \{
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DEBUGS_N _sign,,_arg
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\}
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}
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macro DEBUGS_N _sign,_num,[_str] {
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common
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pushf
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pushad
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local ..str,..label,is_str
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is_str = 0
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forward
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if _str eqtype ''
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is_str = 1
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end if
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common
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if is_str = 1
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jmp ..label
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..str db _str,0
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..label:
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add esp,4*8+4
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mov edx,..str
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sub esp,4*8+4
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else
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mov edx,_str
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end if
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if ~_num eq
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if _num eqtype eax
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if _num in <eax,ebx,ecx,edx,edi,ebp,esp>
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mov esi,_num
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else if ~_num eq esi
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movzx esi,_num
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end if
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else if _num eqtype 0
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mov esi,_num
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else
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local tp
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tp equ 0
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match [_arg],_num \{
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mov esi,dword[_arg]
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tp equ 1
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\}
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match =0 =dword[_arg],tp _num \{
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mov esi,dword[_arg]
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tp equ 1
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\}
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match =0 =word[_arg],tp _num \{
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movzx esi,word[_arg]
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tp equ 1
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\}
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match =0 =byte[_arg],tp _num \{
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movzx esi,byte[_arg]
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tp equ 1
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\}
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match =0,tp \{
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'Error: specified string width is incorrect'
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\}
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end if
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else
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mov esi,0x7FFFFFFF
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end if
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call fdo_debug_outstr
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popad
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popf
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}
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macro DEBUGD _sign,_dec {
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local tp
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tp equ 0
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match _arg:_num,_dec \{
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DEBUGD_N _sign,_num,_arg
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tp equ 1
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\}
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match =0 _arg,tp _dec \{
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DEBUGD_N _sign,,_arg
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\}
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}
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macro DEBUGD_N _sign,_num,_dec {
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pushf
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pushad
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if (~_num eq)
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if (_dec eqtype eax | _dec eqtype 0)
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'Error: precision allowed only for in-memory variables'
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end if
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if (~_num in <1,2,4>)
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if _sign
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'Error: 1, 2 and 4 are only allowed for precision in %d'
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else
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'Error: 1, 2 and 4 are only allowed for precision in %u'
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end if
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end if
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end if
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if _dec eqtype eax
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if _dec in <ebx,ecx,edx,esi,edi,ebp,esp>
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mov eax,_dec
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else if ~_dec eq eax
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if _sign = 1
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movsx eax,_dec
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else
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movzx eax,_dec
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end if
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end if
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else if _dec eqtype 0
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mov eax,_dec
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else
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add esp,4*8+4
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if _num eq
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mov eax,dword _dec
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else if _num = 1
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if _sign = 1
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movsx eax,byte _dec
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else
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movzx eax,byte _dec
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end if
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else if _num = 2
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if _sign = 1
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movsx eax,word _dec
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else
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movzx eax,word _dec
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end if
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else
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mov eax,dword _dec
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end if
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sub esp,4*8+4
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end if
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mov cl,_sign
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call fdo_debug_outdec
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popad
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popf
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}
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macro DEBUGH _sign,_hex {
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local tp
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tp equ 0
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match _arg:_num,_hex \{
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DEBUGH_N _sign,_num,_arg
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tp equ 1
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\}
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match =0 _arg,tp _hex \{
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DEBUGH_N _sign,,_arg
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\}
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}
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macro DEBUGH_N _sign,_num,_hex {
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pushf
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pushad
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if (~_num eq) & (~_num in <1,2,3,4,5,6,7,8>)
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'Error: 1..8 are only allowed for precision in %x'
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end if
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if _hex eqtype eax
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if _hex in <eax,ebx,ecx,edx,esi,edi,ebp,esp>
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if ~_hex eq eax
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mov eax,_hex
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end if
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else if _hex in <ax,bx,cx,dx,si,di,bp,sp>
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if ~_hex eq ax
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movzx eax,_hex
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end if
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shl eax,16
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if (_num eq)
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mov edx,4
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end if
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else if _hex in <al,ah,bl,bh,cl,ch,dl,dh>
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if ~_hex eq al
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movzx eax,_hex
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end if
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shl eax,24
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if (_num eq)
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mov edx,2
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end if
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end if
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else if _hex eqtype 0
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mov eax,_hex
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else
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add esp,4*8+4
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mov eax,dword _hex
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sub esp,4*8+4
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end if
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if ~_num eq
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mov edx,_num
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else
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mov edx,8
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end if
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call fdo_debug_outhex
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popad
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popf
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}
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;-----------------------------------------------------------------------------
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debug_func fdo_debug_outchar
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debug_beginf
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pushad
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mov cl,al
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mov ebx,1
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mov eax,63
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int 0x40
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popad
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ret
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debug_endf
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debug_func fdo_debug_outstr
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debug_beginf
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mov eax,63
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mov ebx,1
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.l1: dec esi
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js .l2
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mov cl,[edx]
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or cl,cl
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jz .l2
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int 0x40
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inc edx
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jmp .l1
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.l2: ret
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debug_endf
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debug_func fdo_debug_outdec
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debug_beginf
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or cl,cl
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jz @f
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or eax,eax
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jns @f
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neg eax
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push eax
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mov al,'-'
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call fdo_debug_outchar
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pop eax
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@@: push 10
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pop ecx
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push -'0'
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.l1: xor edx,edx
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div ecx
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push edx
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test eax,eax
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jnz .l1
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.l2: pop eax
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add al,'0'
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jz .l3
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call fdo_debug_outchar
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jmp .l2
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.l3: ret
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debug_endf
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debug_func fdo_debug_outhex
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__fdo_hexdigits db '0123456789ABCDEF'
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debug_beginf
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mov cl,dl
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neg cl
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add cl,8
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shl cl,2
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rol eax,cl
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.l1: rol eax,4
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push eax
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and eax,0x0000000F
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mov al,[__fdo_hexdigits+eax]
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call fdo_debug_outchar
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pop eax
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dec edx
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jnz .l1
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ret
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debug_endf
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;-----------------------------------------------------------------------------
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macro DEBUGF _level,_format,[_arg] {
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common
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if __DEBUG__ = 1 & _level >= __DEBUG_LEVEL__
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local ..f1,f2,a1,a2,c1,c2,c3,..lbl
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_debug_str_ equ __debug_str_ # a1
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a1 = 0
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c2 = 0
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c3 = 0
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f2 = 0
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repeat ..lbl-..f1
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virtual at 0
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db _format,0,0
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load c1 word from %-1
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end virtual
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if c1 = '%s'
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virtual at 0
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db _format,0,0
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store word 0 at %-1
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load c1 from f2-c2
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end virtual
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if c1 <> 0
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DEBUGS 0,_debug_str_+f2-c2
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end if
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c2 = c2 + 1
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f2 = %+1
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DEBUGF_HELPER S,a1,0,_arg
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else if c1 = '%x'
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virtual at 0
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db _format,0,0
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store word 0 at %-1
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load c1 from f2-c2
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end virtual
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if c1 <> 0
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DEBUGS 0,_debug_str_+f2-c2
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end if
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c2 = c2 + 1
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f2 = %+1
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DEBUGF_HELPER H,a1,0,_arg
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else if c1 = '%d' | c1 = '%u'
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local c4
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if c1 = '%d'
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c4 = 1
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else
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c4 = 0
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end if
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virtual at 0
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db _format,0,0
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store word 0 at %-1
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load c1 from f2-c2
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end virtual
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if c1 <> 0
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DEBUGS 0,_debug_str_+f2-c2
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end if
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c2 = c2 + 1
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f2 = %+1
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DEBUGF_HELPER D,a1,c4,_arg
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else if c1 = '\n'
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c3 = c3 + 1
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end if
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end repeat
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virtual at 0
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db _format,0,0
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load c1 from f2-c2
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end virtual
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if (c1<>0)&(f2<>..lbl-..f1-1)
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DEBUGS 0,_debug_str_+f2-c2
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end if
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virtual at 0
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..f1 db _format,0
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..lbl:
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__debug_strings equ __debug_strings,_debug_str_,<_format>,..lbl-..f1-1-c2-c3
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end virtual
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end if
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}
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macro __include_debug_strings dummy,[_id,_fmt,_len] {
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common
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local c1,a1,a2
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forward
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if defined _len & ~_len eq
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_id:
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a1 = 0
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a2 = 0
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repeat _len
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virtual at 0
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db _fmt,0,0
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load c1 word from %+a2-1
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end virtual
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if (c1='%s')|(c1='%x')|(c1='%d')|(c1='%u')
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db 0
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a2 = a2 + 1
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else if (c1='\n')
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dw $0A0D
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a1 = a1 + 1
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a2 = a2 + 1
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else
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db c1 and 0x0FF
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end if
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end repeat
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db 0
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end if
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}
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macro DEBUGF_HELPER _letter,_num,_sign,[_arg] {
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common
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local num
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num = 0
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forward
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if num = _num
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DEBUG#_letter _sign,_arg
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end if
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num = num+1
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common
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_num = _num+1
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}
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macro include_debug_strings {
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if __DEBUG__ = 1
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match dbg_str,__debug_strings \{
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__include_debug_strings dbg_str
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\}
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end if
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}
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