564 lines
17 KiB
PHP
564 lines
17 KiB
PHP
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InitCmdHistBuffer:
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;-------------------------------------------------------------------------------
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push eax ebx ecx
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mcall 68,12,4096 ;allocate 4KB block
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mov [CmdHistBuffer.Ptr],eax
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mov [CmdHistBuffer.Size],ecx
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mov edi,eax
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xor eax,eax
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stosd
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stosd
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mov [CmdHistBuffer.NewNodeOffset],eax
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mov [CmdHistBuffer.LastNodeOffset],eax
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mov [CmdHistBuffer.CurNodeOffset],eax
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mov [CmdHistBuffer.TmpLineFlag],al
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mov [CmdHistBuffer.NFlag],al
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pop ecx ebx eax
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ret
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;-------------------------------------------------------------------------------
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EnlargeCmdHistBuffer:
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;-------------------------------------------------------------------------------
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pusha
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mov ecx,[CmdHistBuffer.Size]
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add ecx,4096
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mov edx,[CmdHistBuffer.Ptr]
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mcall 68,20 ;reallocate the buffer (prev. size + 4KB)
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test eax,eax
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jz .Err
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mov [CmdHistBuffer.Ptr],eax
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mov [CmdHistBuffer.Size],ecx
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.OK:
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clc
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popa
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ret
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.Err:
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stc
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popa
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ret
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;-------------------------------------------------------------------------------
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AddCmdHistLine:
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;-------------------------------------------------------------------------------
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;in:
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;eax = ptr to ASCIIZ string of line
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;-------------------------------------------------------------------------------
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pusha
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mov esi,eax
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mov edx,eax
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xor ecx,ecx
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@@:
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inc ecx
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lodsb
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test al,al
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jz @F
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jmp @B
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@@:
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dec ecx
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jz .OK
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inc ecx
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mov eax,[CmdHistBuffer.NewNodeOffset]
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lea eax,[eax+ecx+2*4]
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cmp [CmdHistBuffer.Size],eax
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jae @F
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call EnlargeCmdHistBuffer
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jc .Err
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@@:
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mov edi,[CmdHistBuffer.NewNodeOffset]
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mov eax,[CmdHistBuffer.Ptr]
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add edi,eax
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cmp eax,edi ;if eax = edi, then it's the first node
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jne @F
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xor eax,eax
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dec eax
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stosd ;save previous node link = -1 for the first node
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stosd ;save next node link = -1 for the first node
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jmp .CPStr
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@@:
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mov ebx,[CmdHistBuffer.LastNodeOffset]
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mov [edi],ebx ;save previous node link for a new node
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add ebx,eax
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mov eax,[CmdHistBuffer.NewNodeOffset]
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mov [ebx+4],eax ;update next node link for a last node
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mov [CmdHistBuffer.LastNodeOffset],eax
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mov [CmdHistBuffer.CurNodeOffset],eax
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add edi,4
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xor eax,eax
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dec eax
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stosd
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.CPStr:
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mov esi,edx
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push ecx
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rep movsb
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pop ecx
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add ecx,2*4
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add [CmdHistBuffer.NewNodeOffset],ecx
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.OK:
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clc
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.Err:
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mov [CmdHistBuffer.TmpLineFlag],0
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popa
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ret
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;-------------------------------------------------------------------------------
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AddCmdHistTmpLine:
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;-------------------------------------------------------------------------------
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;in:
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;eax = ptr to ASCIIZ string of line
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;-------------------------------------------------------------------------------
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pusha
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mov esi,eax
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mov edx,eax
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xor ecx,ecx
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@@:
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inc ecx
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lodsb
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test al,al
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jz @F
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jmp @b
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@@:
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mov eax,[CmdHistBuffer.NewNodeOffset]
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lea eax,[eax+ecx+2*4]
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cmp [CmdHistBuffer.Size],eax
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jae @F
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call EnlargeCmdHistBuffer
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jc .Err
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@@:
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mov edi,[CmdHistBuffer.NewNodeOffset]
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mov [CmdHistBuffer.TmpLineFlag],1
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mov eax,[CmdHistBuffer.Ptr]
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add edi,eax
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xor eax,eax
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stosd
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stosd ;two zeroes - marker (prefix) of tmp line
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.CPStr:
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mov esi,edx
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rep movsb
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.OK:
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clc
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.Err:
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popa
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ret
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;-------------------------------------------------------------------------------
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GetCmdHistLine:
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;-------------------------------------------------------------------------------
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;out:
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;eax = ptr to ASCIIZ string of current line
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;-------------------------------------------------------------------------------
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push ebx
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mov eax,[CmdHistBuffer.Ptr]
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mov ebx,[CmdHistBuffer.CurNodeOffset]
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lea eax,[eax+ebx+2*4]
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pop ebx
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ret
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;-------------------------------------------------------------------------------
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GetCmdHistTmpLine:
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;-------------------------------------------------------------------------------
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;out:
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;eax = ptr to ASCIIZ string of current line or 0 (no tmp line)
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;-------------------------------------------------------------------------------
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cmp [CmdHistBuffer.TmpLineFlag],0
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je @F
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mov eax,[CmdHistBuffer.NewNodeOffset]
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add eax,[CmdHistBuffer.Ptr]
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add eax,2*4
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@@:
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ret
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;-------------------------------------------------------------------------------
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PrevCmdHistLine:
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;-------------------------------------------------------------------------------
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;out:
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;CF = 0 - OK, CF = 1 (no previous lines)
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;-------------------------------------------------------------------------------
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push eax ebx
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mov eax,[CmdHistBuffer.Ptr]
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mov ebx,[CmdHistBuffer.CurNodeOffset]
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lea eax,[eax+ebx]
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mov eax,[eax]
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inc eax
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jz .RetCF
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dec eax
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mov [CmdHistBuffer.CurNodeOffset],eax
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clc
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pop ebx eax
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ret
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.RetCF:
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stc
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pop ebx eax
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ret
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;-------------------------------------------------------------------------------
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NextCmdHistLine:
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;-------------------------------------------------------------------------------
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;out:
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;CF = 0 - OK, CF = 1 (no next lines)
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;-------------------------------------------------------------------------------
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push eax ebx
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mov eax,[CmdHistBuffer.Ptr]
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mov ebx,[CmdHistBuffer.CurNodeOffset]
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lea eax,[eax+ebx]
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mov eax,[eax+4]
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inc eax
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jz .RetCF
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dec eax
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mov [CmdHistBuffer.CurNodeOffset],eax
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clc
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pop ebx eax
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ret
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.RetCF:
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stc
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pop ebx eax
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ClearCmdLineEnd:
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ret
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;-------------------------------------------------------------------------------
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DrawCmdLine:
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pushad
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xor ebx,ebx
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jmp @F
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DrawCmdLineEnd:
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pushad
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mov ebx,[CmdLinePos]
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@@:
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call ClearCmdLine
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mov [XPos],1
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mov [YPos],MinHeight-1
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mov [Color],15
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mov al,'>'
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call PrintC
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mov ecx,[CmdLineLen]
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sub ecx,ebx
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jbe .Skip
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lea esi,[CmdLine+ebx]
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.Loop:
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lodsb
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call PrintC
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loop .Loop
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.Skip:
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popad
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ret
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DrawCursor:
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pushad
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mov eax,[CmdLinePos]
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times 2 inc eax
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mov [CursorX],eax
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mov [CursorY],MinHeight-1
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mov [AfterKey],1
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call ShowImage
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popad
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ret
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HideCursor:
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pushad
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or [CursorX],-1
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or [CursorY],-1
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mov [AfterKey],1
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call ShowImage
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popad
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ret
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;-----------------------------------------------------------------------------
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; Find command in list
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FindCmd:
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; all commands are case-insensitive
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push edi
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.X4:
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mov al,[edi]
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cmp al,0
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jz .X5
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cmp al,'A'
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jb @F
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cmp al,'Z'
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ja @F
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or al,20h
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@@:
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stosb
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jmp .X4
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; find command
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.X5:
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pop edi
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.X6:
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cmp dword [esi],0
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jz .X7
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push esi
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mov esi,[esi]
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lodsb
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movzx ecx,al
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push edi
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repz cmpsb
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pop edi
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pop esi
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jz .X8
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add esi,17
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jmp .X6
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.X7:
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stc
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.X8:
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ret
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HelpGroups:
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dd aControl,0,0,HelpControlMsg
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db 0
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dd aData,0,0,HelpDataMsg
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db 0
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dd aBreakpoints,0,0,HelpBreaksMsg
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db 0
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; flags field:
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; &1: command may be called without parameters
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; &2: command may be called with parameters
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; &4: command may be called without loaded program
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; &8: command may be called with loaded program
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Commands:
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dd aHlp,OnHelp,HelpSyntax,HelpHelp
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db 0Fh
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dd aHelp,OnHelp,HelpSyntax,HelpHelp
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db 0Fh
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dd aQuit,OnQuit,QuitSyntax,QuitHelp
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db 0Dh
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dd aExit,OnQuit,ExitSyntax,ExitHelp
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db 0Dh
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dd aLoad,OnLoad,LoadSyntax,LoadHelp
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db 6
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dd aReload,OnReLoad,ReloadSyntax,ReloadHelp
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db 0Dh
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dd aTerminate,OnTerminate,TerminateSyntax,TerminateHelp
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db 9
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dd aDetach,OnDetach,DetachSyntax,DetachHelp
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db 9
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dd aSuspend,OnSuspend,SuspendSyntax,SuspendHelp
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db 9
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dd aResume,OnResume,ResumeSyntax,ResumeHelp
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db 0Bh
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dd aStep,OnStepMultiple,StepSyntax,StepHelp
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db 0Bh
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dd aProceed,OnProceedMultiple,ProceedSyntax,ProceedHelp
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db 0Bh
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dd aCalc,OnCalc,CalcSyntax,CalcHelp
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db 0Eh
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dd aDump,OnDump,DumpSyntax,DumpHelp
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db 0Bh
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;dd aUnassemble,OnUnassemble,UnassembleSyntax,UnassembleHelp
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;db 0Bh
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dd aBp,OnBp,BpSyntax,BpHelp
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db 0Ah
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dd aBpm,OnBpmb,BpmSyntax,BpmHelp
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db 0Ah
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dd aBpmb,OnBpmb,BpmSyntax,BpmHelp
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db 0Ah
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dd aBpmw,OnBpmw,BpmSyntax,BpmHelp
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db 0Ah
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dd aBpmd,OnBpmd,BpmSyntax,BpmHelp
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db 0Ah
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dd aBl,OnBl,BlSyntax,BlHelp
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db 0Bh
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dd aBc,OnBc,BcSyntax,BcHelp
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db 0Ah
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dd aBd,OnBd,BdSyntax,BdHelp
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db 0Ah
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dd aBe,OnBe,BeSyntax,BeHelp
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db 0Ah
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dd aReg,OnReg,RSyntax,RHelp
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db 0Ah
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dd aUnpack,OnUnpack,UnpackSyntax,UnpackHelp
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db 9
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dd aLoadSymbols,OnLoadSymbols,LoadSymbolsSyntax,LoadSymbolsHelp
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db 0Ah
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;
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dd aAsm,OnAsm,AsmSyntax,AsmHelp
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db 2+8
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dd aJump,OnJump,JumpSyntax,JumpHelp
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db 2+8
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dd aDoLoad,DoLoad,DoLoadSyntax,DoLoadHelp
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db 1+4
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;
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dd 0
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aHelp db 5,'help',0
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aHlp db 2,'h',0
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HelpHelp db 'Help on specified function',10
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HelpSyntax db 'Usage: h or help [group | command]',10,0
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HelpMsg db 'List of known command groups:',10
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db '"help control" - display list of control commands',10
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db '"help data" - display list of commands concerning data',10
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db '"help breakpoints" - display list of commands concerning breakpoints',10,0
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aAsm db 2,'a',0
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AsmHelp db 'Assemble instruction at current position',10
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AsmSyntax db 'Usage: a instruction (',8,8Ah,'mov al,[ebx+12h]',8,8Fh,')',10,0
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aJump db 2,'j',0
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|
|
JumpHelp db 'Sets current window or current register new address',10
|
||
|
|
JumpSyntax db 'Usage: Jump <expression>',10,0
|
||
|
|
|
||
|
|
aDetach db 7,'detach',0
|
||
|
|
DetachHelp db 'Detach from debugged program',10
|
||
|
|
DetachSyntax db 'Usage: detach',10,0
|
||
|
|
|
||
|
|
aSuspend db 5,'stop',0
|
||
|
|
SuspendHelp db 'Suspend execution of debugged program',10
|
||
|
|
SuspendSyntax db 'Usage: stop',10,0
|
||
|
|
|
||
|
|
aQuit db 5,'quit',0
|
||
|
|
QuitHelp db 'Quit from debugger',10
|
||
|
|
QuitSyntax db 'Usage: quit',10,0
|
||
|
|
|
||
|
|
aExit db 5,'exit',0
|
||
|
|
ExitHelp db 'Exit from debugger',10
|
||
|
|
ExitSyntax db 'Usage: exit',10,0
|
||
|
|
|
||
|
|
aLoad db 5,'load',0
|
||
|
|
LoadHelp db 'Load program for debugging',10
|
||
|
|
LoadSyntax db 'Usage: load <program-name> [parameters]',10,0
|
||
|
|
|
||
|
|
aDoLoad db 7,'doload',0
|
||
|
|
DoLoadHelp db 'Load test program for debugging',10
|
||
|
|
DoLoadSyntax db 'Usage: doload',10,0
|
||
|
|
|
||
|
|
aReload db 7,'reload',0
|
||
|
|
ReloadHelp db 'Reload debugging program (restart debug session)',10
|
||
|
|
ReloadSyntax db 'Usage: reload',10,0
|
||
|
|
|
||
|
|
aTerminate db 10,'terminate',0
|
||
|
|
TerminateHelp db 'Terminate debugged program',10
|
||
|
|
TerminateSyntax db 'Usage: terminate',10,0
|
||
|
|
|
||
|
|
aResume db 2,'g',0
|
||
|
|
ResumeHelp db 'Go (resume execution of debugged program)',10
|
||
|
|
ResumeSyntax db 'Usage: g',10
|
||
|
|
db ' or: g <expression> - wait until specified address is reached',10,0
|
||
|
|
|
||
|
|
aStep db 2,'s',0
|
||
|
|
StepHelp db 'Make step in debugged program',10
|
||
|
|
StepSyntax db 'Usage: s [<number>]',10,0
|
||
|
|
|
||
|
|
aProceed db 2,'p',0
|
||
|
|
ProceedHelp db 'Make wide step in debugged program (step over CALL, REPxx, LOOP)',10
|
||
|
|
ProceedSyntax db 'Usage: p [<number>]',10,0
|
||
|
|
|
||
|
|
aDump db 2,'d',0
|
||
|
|
DumpHelp db 'Dump data of debugged program',10
|
||
|
|
DumpSyntax db 'Usage: d <expression> - dump data at specified address',10
|
||
|
|
db ' or: d - continue current dump',10,0
|
||
|
|
|
||
|
|
aCalc db 2,'?',0
|
||
|
|
CalcHelp db 'Calculate value of expression',10
|
||
|
|
CalcSyntax db 'Usage: ? <expression>',10,0
|
||
|
|
|
||
|
|
aReg db 2,'r',0
|
||
|
|
RHelp db 'Set register value',10
|
||
|
|
RSyntax db 'Usage: r <register> <expression>',10
|
||
|
|
db ' or: r <register>=<expression> - set value of <register> to <expression>',10,0
|
||
|
|
|
||
|
|
aBp db 3,'bp',0
|
||
|
|
BpHelp db 'set BreakPoint on execution',10
|
||
|
|
BpSyntax db 'Usage: bp <expression>',10,0
|
||
|
|
|
||
|
|
aBpm db 4,'bpm',0
|
||
|
|
aBpmb db 5,'bpmb',0
|
||
|
|
aBpmw db 5,'bpmw',0
|
||
|
|
aBpmd db 5,'bpmd',0
|
||
|
|
BpmHelp db 'set BreakPoint on Memory access',10
|
||
|
|
db 'Maximum 4 breakpoints of this type are allowed',10
|
||
|
|
db 'Note that for this breaks debugger is activated after access',10
|
||
|
|
BpmSyntax db 'Usage: bpmb [w] <expression>',10
|
||
|
|
db ' bpmw [w] <expression>',10
|
||
|
|
db ' bpmd [w] <expression>',10
|
||
|
|
db ' bpm is synonym for bpmd',10
|
||
|
|
db '"w" means break only on writes (default is on read/write)',10,0
|
||
|
|
|
||
|
|
aBl db 3,'bl',0
|
||
|
|
BlHelp db 'Breakpoint List',10
|
||
|
|
BlSyntax db 'Usage: bl - list all breakpoints',10
|
||
|
|
db ' bl <number> - display info on particular breakpoint',10,0
|
||
|
|
|
||
|
|
aBc db 3,'bc',0
|
||
|
|
BcHelp db 'Breakpoint Clear',10
|
||
|
|
BcSyntax db 'Usage: bc <number-list>',10
|
||
|
|
db 'Examples: bc 2',10
|
||
|
|
db ' bc 1 3 4 A',10,0
|
||
|
|
|
||
|
|
aBd db 3,'bd',0
|
||
|
|
BdHelp db 'Breakpoint Disable',10
|
||
|
|
BdSyntax db 'Usage: bd <number-list>',10
|
||
|
|
db 'Examples: bd 2',10
|
||
|
|
db ' bd 1 3 4 A',10,0
|
||
|
|
|
||
|
|
aBe db 3,'be',0
|
||
|
|
BeHelp db 'Breakpoint Enable',10
|
||
|
|
BeSyntax db 'Usage: be <number-list>',10
|
||
|
|
db 'Examples: be 2',10
|
||
|
|
db ' be 1 3 4 A',10,0
|
||
|
|
|
||
|
|
aUnpack db 7,'unpack',0
|
||
|
|
UnpackHelp db 'Try to bypass unpacker code',10
|
||
|
|
UnpackSyntax db 'Usage: unpack',10,0
|
||
|
|
|
||
|
|
aLoadSymbols db 13,'load-symbols',0
|
||
|
|
LoadSymbolsHelp db 'Load symbolic information for executable',10
|
||
|
|
LoadSymbolsSyntax db 'Usage: load-symbols <symbols-file-name>',10,0
|
||
|
|
|
||
|
|
; Control commands group
|
||
|
|
aControl db 8,'control',0
|
||
|
|
HelpControlMsg db 'List of control commands:',10
|
||
|
|
db 'h = help - help',10
|
||
|
|
db 'exit/quit - exit from debugger',10
|
||
|
|
db 'load <name> [params] - load program for debugging',10
|
||
|
|
db 'reload - reload debugging program',10
|
||
|
|
db 'load-symbols <name> - load information on symbols for program',10
|
||
|
|
db 'terminate - terminate loaded program',10
|
||
|
|
db 'detach - detach from debugging program',10
|
||
|
|
db 'stop - suspend execution of debugging program',10
|
||
|
|
db 'a <instruction> - assemble instruction at current position',10
|
||
|
|
db 'g [<expression>] - go on (resume execution of debugging program)',10
|
||
|
|
db 's [<num>] - program step, also <F7>',10
|
||
|
|
db 'p [<num>] - program wide step, also <F8>',10
|
||
|
|
db 'unpack - try to bypass unpacker code (heuristic)',10,0
|
||
|
|
|
||
|
|
; Data commands group
|
||
|
|
aData db 5,'data',0
|
||
|
|
HelpDataMsg db 'List of data commands:',10
|
||
|
|
db '? <expression> - calculate value of expression',10
|
||
|
|
db 'd [<expression>] - dump data at given address',10
|
||
|
|
db 'j <expression> - jump, current window or current register new address',10
|
||
|
|
;db 'u [<expression>] - unassemble instructions at given address',10
|
||
|
|
db 'r <register> <expression> or',10
|
||
|
|
db 'r <register>=<expression> - set register value',10,0
|
||
|
|
|
||
|
|
; Breakpoints commands group
|
||
|
|
aBreakpoints db 12,'breakpoints',0
|
||
|
|
HelpBreaksMsg db 'List of breakpoints commands:',10
|
||
|
|
db 'bp <expression> - set breakpoint on execution',10
|
||
|
|
db 'bpm[b|w|d] <type> <expression> - set breakpoint on memory access',10
|
||
|
|
db 'bl [<number>] - breakpoint(s) info',10
|
||
|
|
db 'bc <number>... - clear breakpoint',10
|
||
|
|
db 'bd <number>... - disable breakpoint',10
|
||
|
|
db 'be <number>... - enable breakpoint',10,0
|
||
|
|
;
|