mirror of
https://github.com/KolibriOS/kolibrios.git
synced 2024-11-25 02:09:36 +03:00
2769 lines
58 KiB
PHP
2769 lines
58 KiB
PHP
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; DISASSEMBLER ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; TODO: prepare to work independently from debugger
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;-----------------------------------------------------------------------------
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; Read next byte for disassembly
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;
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; out: AL = byte
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disasm_get_byte:
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push ecx
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mov ecx, [disasm_cur_pos]
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sub ecx, [disasm_start_pos]
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cmp ecx, [disasm_buf_size]
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jae disasm_err
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mov al, [disasm_buffer+ecx]
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pop ecx
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inc [disasm_cur_pos]
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ret
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;-----------------------------------------------------------------------------
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; Read next word for disassembly
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;
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; out: AX = word
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disasm_get_word:
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push ecx
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mov ecx, [disasm_cur_pos]
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sub ecx, [disasm_start_pos]
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inc ecx
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cmp ecx, [disasm_buf_size]
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jae disasm_err
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mov ax, word [disasm_buffer-1+ecx]
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pop ecx
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add [disasm_cur_pos], 2
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ret
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;-----------------------------------------------------------------------------
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; Read next dword for disassembly
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;
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; out: EAX = dword
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disasm_get_dword:
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push ecx
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mov ecx, [disasm_cur_pos]
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sub ecx, [disasm_start_pos]
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add ecx, 3
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cmp ecx, [disasm_buf_size]
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jae disasm_err
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mov eax, dword [disasm_buffer-3+ecx]
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pop ecx
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add [disasm_cur_pos], 4
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ret
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;-----------------------------------------------------------------------------
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disasm_err:
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mov esp, ebp
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; TODO: make it local?
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stc_ret:
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stc
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ret
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;-----------------------------------------------------------------------------
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; Exit from disassembly loop
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disasm_ret:
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mov esp, ebp
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and byte [edi], 0
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ret
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;-----------------------------------------------------------------------------
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; Disassembly one instruction
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;
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; Read data, in loop, to read multibyte instruction opcodes
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disasm_instr:
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mov ebp, esp
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cmp [debuggee_pid], 0
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jz stc_ret
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mov edi, disasm_string
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xor ecx, ecx
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; TODO: make it local?
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; ecx=flags (IN or OUT?)
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disasm_loop1:
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xor eax, eax
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call disasm_get_byte
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jmp dword [disasm_table_1 + eax*4]
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;-----------------------------------------------------------------------------
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cop0:
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clock:
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csegcs:
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csegds:
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cseges:
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csegss:
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csegfs:
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cseggs:
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mov esi, cmd1
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iglobal
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cmd1:
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db 0x2E,3,'cs:'
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db 0x36,3,'ss:'
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db 0x3E,3,'ds:'
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db 0x26,3,'es:'
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db 0x64,3,'fs:'
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db 0x65,3,'gs:'
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db 0x06,10,'push es'
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db 0x07,10,'pop es'
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db 0x0E,10,'push cs'
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db 0x16,10,'push ss'
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db 0x17,10,'pop ss'
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db 0x1E,10,'push ds'
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db 0x1F,10,'pop ds'
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db 0x27,3,'daa'
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db 0x2F,3,'das'
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db 0x37,3,'aaa'
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db 0x3F,3,'aas'
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db 0x60,6,0,'pusha'
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db 0x61,5,0,'popa'
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db 0x90,3,'nop'
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db 0x9B,5,'fwait'
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db 0x9C,6,0,'pushf'
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db 0x9D,5,0,'popf'
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db 0x9E,4,'sahf'
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db 0x9F,4,'lahf'
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db 0xA4,5,'movsb'
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db 0xA5,5,0,'movs'
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db 0xA6,5,'cmpsb'
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db 0xA7,5,0,'cmps'
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db 0xAA,5,'stosb'
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db 0xAB,5,0,'stos'
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db 0xAC,5,'lodsb'
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db 0xAD,5,0,'lods'
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db 0xAE,5,'scasb'
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db 0xAF,5,0,'scas'
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db 0xC3,3,'ret'
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db 0xC9,5,'leave'
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db 0xCC,4,'int3'
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db 0xF0,4,'lock'
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db 0xF5,3,'cmc'
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db 0xF8,3,'clc'
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db 0xF9,3,'stc'
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db 0xFA,3,'cli'
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db 0xFB,3,'sti'
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db 0xFC,3,'cld'
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db 0xFD,3,'std'
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cmd2:
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db 0x05,7,'syscall'
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db 0x06,4,'clts'
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db 0x31,5,'rdtsc'
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db 0x34,8,'sysenter'
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db 0xA2,5,'cpuid'
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db 0x77,4,'emms'
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endg
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jmp @f
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;-----------------------------------------------------------------------------
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ccpuid:
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crdtsc:
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cemms:
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cop0_F:
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mov esi, cmd2
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@@:
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cmp al, [esi]
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jz .found
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inc esi
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movzx edx, byte [esi]
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inc esi
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add esi, edx
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jmp @b
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.found:
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inc esi
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lodsb
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cmp byte [esi], 0
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jz @f
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movzx ecx, al
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disasm_1:
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rep movsb
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and byte [edi], 0
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ret
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@@:
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mov dl, ch
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movzx ecx, al
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dec ecx
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inc esi
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rep movsb
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test dl, 1
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mov al, 'w'
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jnz @f
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mov al, 'd'
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@@:
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stosb
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and byte [edi], 0
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ret
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c67:
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or ch, 2
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jmp disasm_loop1
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c66:
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or ch, 1
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jmp disasm_loop1
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;-----------------------------------------------------------------------------
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cxlat:
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cunk:
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cerr:
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mov eax, '???'
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stosd
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clc
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ret
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cF:
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call disasm_get_byte
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jmp dword [disasm_table_2 + eax*4]
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;-----------------------------------------------------------------------------
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; Parse operand prefixes
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crep:
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push [disasm_cur_pos]
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call disasm_get_byte
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cmp al, 0x0F
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jz .sse
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mov dl, al
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mov eax, 'rep '
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stosd
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mov al, dl
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@@:
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and eax, not 1
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cmp al, 0x66
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jnz @f
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call disasm_get_byte
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mov dl, al
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jmp @b
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@@:
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cmp al, 0xA6
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jz .repz
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cmp al, 0xAE
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jz .repz
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cmp al, 0xA4
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jz .prefix
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cmp al, 0xAA
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jz .prefix
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cmp al, 0xAC
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jz .prefix
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cmp al, 0x6C
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jz .prefix
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cmp al, 0x6E
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jz .prefix
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.noprefix:
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pop [disasm_cur_pos]
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and byte [edi-1], 0
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ret
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.repz:
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mov byte [edi-1], 'z'
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mov al, ' '
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stosb
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.prefix:
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pop [disasm_cur_pos]
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jmp disasm_loop1
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.sse:
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pop eax
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call disasm_get_byte
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;-----------------------------------------------------------------------------
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iglobal
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rep_sse_cmds:
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db 0x58,3,'add'
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db 0xC2,3,'cmp'
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db 0,0
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endg
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mov esi, rep_sse_cmds+1
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@@:
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movzx edx, byte [esi]
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cmp al, [esi-1]
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jz @f
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lea esi, [esi+edx+2]
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cmp byte [esi], 0
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jnz @b
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sub [disasm_cur_pos], 2
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mov eax, 'rep'
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stosd
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ret
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@@:
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push ecx
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mov ecx, edx
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inc esi
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rep movsb
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pop ecx
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mov al, 's'
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stosb
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jmp rep_sse_final
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;-----------------------------------------------------------------------------
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crepnz:
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call disasm_get_byte
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cmp al, 0x0F
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jz .sse
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mov dl, al
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mov eax, 'repn'
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stosd
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mov al, 'z'
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stosb
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mov al, ' '
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stosb
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movzx eax, dl
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cmp al, 0x6C
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jb crep.noprefix
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cmp al, 0x6F
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jbe .prefix
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cmp al, 0xA4
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jb crep.noprefix
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cmp al, 0xA7
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jbe .prefix
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cmp al, 0xAA
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jb crep.noprefix
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cmp al, 0xAF
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ja crep.noprefix
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.prefix:
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jmp cop0
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.sse:
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call disasm_get_byte
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mov esi, rep_sse_cmds+1
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@@:
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movzx edx, byte [esi]
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cmp al, [esi-1]
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jz .found0
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lea esi, [esi+edx+2]
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cmp byte [esi], 0
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jnz @b
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mov esi, sse_cmds2+1
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@@:
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movzx edx, byte [esi]
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cmp al, [esi-1]
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jz .found1
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lea esi, [esi+edx+2]
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cmp byte [esi], 0
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jnz @b
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sub [disasm_cur_pos], 2
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mov eax, 'repn'
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stosd
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mov al, 'z'
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stosb
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and byte [edi], 0
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ret
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.found0:
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push ecx
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mov ecx, edx
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inc esi
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rep movsb
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pop ecx
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mov al, 's'
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stosb
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mov al, 'd'
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jmp rep_sse_final
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.found1:
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push ecx
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mov ecx, edx
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inc esi
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rep movsb
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pop ecx
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mov al, 'p'
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stosb
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mov al, 's'
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rep_sse_final:
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stosb
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push ecx
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push 5
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pop ecx
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sub ecx, edx
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adc ecx, 1
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mov al, ' '
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rep stosb
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pop ecx
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or ch, 1
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jmp disasm_mmx1
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;-----------------------------------------------------------------------------
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macro disasm_set_modew
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{
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test al, 1
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jz @f
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or ch, 80h
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@@:
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}
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;-----------------------------------------------------------------------------
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cmov2:
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disasm_set_modew
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; mov r/m,i
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call disasm_get_byte
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dec [disasm_cur_pos]
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test al, 00111000b
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jnz cunk
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mov eax, 'mov '
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stosd
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mov eax, ' '
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stosd
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call disasm_readrmop
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mov ax, ', '
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stosw
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xor eax, eax
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test ch, 80h
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jnz .1
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call disasm_get_byte
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jmp .3
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.1:
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test ch, 1
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jnz .2
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call disasm_get_dword
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jmp .3
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.2:
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call disasm_get_word
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.3:
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call disasm_write_num
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and byte [edi], 0
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ret
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;-----------------------------------------------------------------------------
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cret2:
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mov eax, 'ret '
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stosd
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mov eax, ' '
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stosd
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xor eax, eax
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jmp cmov2.2
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;-----------------------------------------------------------------------------
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disasm_write_num:
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push esi
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cmp eax, 0x80
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jl .nosymb
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lea esi, [eax-1]
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test eax, esi
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jz .nosymb
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call find_symbol
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jc .nosymb
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@@:
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lodsb
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test al, al
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jz @f
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stosb
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jmp @b
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@@:
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pop esi
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ret
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.nosymb:
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pop esi
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push ecx eax
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inc edi
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@@:
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mov ecx, eax
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shr eax, 4
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jz @f
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inc edi
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jmp @b
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@@:
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pop eax
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cmp ecx, 10
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jb @f
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inc edi
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@@:
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push edi eax
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@@:
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mov ecx, eax
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and al, 0xF
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cmp al, 10
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sbb al, 69h
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das
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dec edi
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mov [edi], al
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mov eax, ecx
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shr eax, 4
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jnz @b
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cmp ecx, 10
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jb @f
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mov byte [edi-1], '0'
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|
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@@:
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pop eax edi ecx
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cmp eax, 10
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jb @f
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mov byte [edi], 'h'
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inc edi
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@@:
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ret
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;-----------------------------------------------------------------------------
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iglobal
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label disasm_regs32 dword
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label disasm_regs dword
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db 'eax',0
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db 'ecx',0
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db 'edx',0
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db 'ebx',0
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db 'esp',0
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db 'ebp',0
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db 'esi',0
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db 'edi',0
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disasm_regs16 dw 'ax','cx','dx','bx','sp','bp','si','di'
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disasm_regs8 dw 'al','cl','dl','bl','ah','ch','dh','bh'
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disasm_scale db '1248'
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endg
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;-----------------------------------------------------------------------------
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|
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disasm_readrmop:
|
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call disasm_get_byte
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test ch, 40h
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jnz .skip_size
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push eax
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and al, 0xC0
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cmp al, 0xC0
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pop eax
|
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jz .skip_size
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test ch, 80h
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jz .byte
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test ch, 1
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jnz .word
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mov dword [edi], 'dwor'
|
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mov byte [edi+4], 'd'
|
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inc edi
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jmp @f
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.byte:
|
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test ch, 20h
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jz .qb
|
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mov byte [edi], 't'
|
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inc edi
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|
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.qb:
|
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mov dword [edi], 'byte'
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jmp @f
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.word:
|
|
test ch, 20h
|
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jz .qw
|
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mov byte [edi], 'q'
|
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inc edi
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|
|
|
.qw:
|
|
mov dword [edi], 'word'
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|
|
@@:
|
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mov byte [edi+4], ' '
|
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add edi, 5
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|
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.skip_size:
|
|
test ch, 2
|
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jnz disasm_readrmop16
|
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push ecx
|
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movzx ecx, al
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and eax, 7
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shr ecx, 6
|
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jz .vmod0
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jp .vmod3
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mov byte [edi], '['
|
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inc edi
|
|
cmp al, 4
|
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jz .sib1
|
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mov eax, [disasm_regs+eax*4]
|
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stosd
|
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dec edi
|
|
jmp @f
|
|
|
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.sib1:
|
|
call .parse_sib
|
|
|
|
@@:
|
|
mov al, '+'
|
|
stosb
|
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dec ecx
|
|
jz .vmod1
|
|
call disasm_get_dword
|
|
jmp @f
|
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|
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.vmod1:
|
|
call disasm_get_byte
|
|
movsx eax, al
|
|
|
|
@@:
|
|
test eax, eax
|
|
jns .2
|
|
neg eax
|
|
mov byte [edi-1], '-'
|
|
|
|
.2:
|
|
call disasm_write_num
|
|
|
|
.2a:
|
|
mov al, ']'
|
|
stosb
|
|
pop ecx
|
|
ret
|
|
|
|
.vmod3:
|
|
pop ecx
|
|
test ch, 10h
|
|
jnz .vmod3_mmi
|
|
test ch, 80h
|
|
jz .vmod3_byte
|
|
test ch, 1
|
|
jnz .vmod3_word
|
|
test ch, 20h
|
|
jnz .vmod3_sti
|
|
mov eax, [disasm_regs32+eax*4]
|
|
stosd
|
|
dec edi
|
|
ret
|
|
|
|
.vmod3_byte:
|
|
mov ax, [disasm_regs8+eax*2]
|
|
|
|
@@:
|
|
stosw
|
|
ret
|
|
|
|
.vmod3_word:
|
|
mov ax, [disasm_regs16+eax*2]
|
|
jmp @b
|
|
|
|
.vmod3_sti:
|
|
mov word [edi], 'st'
|
|
add al, '0'
|
|
mov byte [edi+2], al
|
|
add edi, 3
|
|
ret
|
|
|
|
.vmod3_mmi:
|
|
|
|
disasm_write_mmreg = $
|
|
|
|
test ch, 1
|
|
jz @f
|
|
mov byte [edi], 'x'
|
|
inc edi
|
|
|
|
@@:
|
|
mov word [edi], 'mm'
|
|
add al, '0'
|
|
mov byte [edi+2], al
|
|
add edi, 3
|
|
ret
|
|
|
|
.vmod0:
|
|
mov byte [edi], '['
|
|
inc edi
|
|
cmp al, 4
|
|
jz .sib2
|
|
cmp al, 5
|
|
jz .ofs32
|
|
mov eax, [disasm_regs+eax*4]
|
|
stosd
|
|
mov byte [edi-1], ']'
|
|
pop ecx
|
|
ret
|
|
|
|
.ofs32:
|
|
call disasm_get_dword
|
|
jmp .2
|
|
|
|
.sib2:
|
|
call .parse_sib
|
|
mov al, ']'
|
|
stosb
|
|
pop ecx
|
|
ret
|
|
|
|
.parse_sib:
|
|
call disasm_get_byte
|
|
push edx
|
|
mov dl, al
|
|
mov dh, 0
|
|
and eax, 7
|
|
cmp al, 5
|
|
jnz @f
|
|
jecxz .sib0
|
|
|
|
@@:
|
|
mov eax, [disasm_regs+eax*4]
|
|
stosd
|
|
dec edi
|
|
mov dh, 1
|
|
|
|
.sib0:
|
|
mov al, dl
|
|
shr eax, 3
|
|
and eax, 7
|
|
cmp al, 4
|
|
jz .sibret
|
|
test dh, dh
|
|
jz @f
|
|
mov byte [edi], '+'
|
|
inc edi
|
|
|
|
@@:
|
|
mov eax, [disasm_regs+eax*4]
|
|
stosd
|
|
dec edi
|
|
shr dl, 6
|
|
jz @f
|
|
mov al, '*'
|
|
stosb
|
|
movzx eax, dl
|
|
mov al, [disasm_scale+eax]
|
|
stosb
|
|
|
|
@@:
|
|
.sibret:
|
|
test dh, dh
|
|
jnz .sibret2
|
|
call disasm_get_dword
|
|
cmp byte [edi-1], '['
|
|
jz @f
|
|
mov byte [edi], '+'
|
|
test eax, eax
|
|
jns .sibns
|
|
neg eax
|
|
mov byte [edi], '-'
|
|
|
|
.sibns:
|
|
inc edi
|
|
|
|
@@:
|
|
call disasm_write_num
|
|
|
|
.sibret2:
|
|
pop edx
|
|
ret
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
iglobal
|
|
disasm_rm16_1 dd 'bxsi','bxdi','bpsi','bpdi'
|
|
disasm_rm16_2 dw 'si','di','bp','bx'
|
|
endg
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
disasm_readrmop16:
|
|
push ecx
|
|
movzx ecx, al
|
|
and eax, 7
|
|
shr ecx, 6
|
|
jz .vmod0
|
|
jp disasm_readrmop.vmod3 ; mod=3 is the same in 16- and 32-bit code
|
|
; 1 or 2
|
|
mov byte [edi], '['
|
|
inc edi
|
|
cmp al, 4
|
|
jae @f
|
|
mov eax, [disasm_rm16_1+eax*4]
|
|
stosw
|
|
mov al, '+'
|
|
stosb
|
|
shr eax, 16
|
|
jmp .1
|
|
|
|
@@:
|
|
mov eax, dword [disasm_rm16_2+eax*2-4*2]
|
|
|
|
.1:
|
|
stosw
|
|
mov al, '+'
|
|
stosb
|
|
xor eax, eax
|
|
dec ecx
|
|
jnz .2
|
|
call disasm_get_byte
|
|
cbw
|
|
jmp @f
|
|
|
|
.2:
|
|
call disasm_get_word
|
|
|
|
@@:
|
|
test ax, ax
|
|
jns @f
|
|
mov byte [edi-1], '-'
|
|
neg ax
|
|
|
|
@@:
|
|
call disasm_write_num
|
|
|
|
.done1:
|
|
mov al, ']'
|
|
stosb
|
|
pop ecx
|
|
ret
|
|
|
|
.vmod0:
|
|
mov byte [edi], '['
|
|
inc edi
|
|
cmp al, 6
|
|
jz .ofs16
|
|
cmp al, 4
|
|
jae @f
|
|
mov eax, [disasm_rm16_1+eax*4]
|
|
stosw
|
|
mov al, '+'
|
|
stosb
|
|
shr eax, 16
|
|
jmp .3
|
|
|
|
@@:
|
|
mov eax, dword [disasm_rm16_2+eax*2-4*2]
|
|
|
|
.3:
|
|
stosw
|
|
jmp .done1
|
|
|
|
.ofs16:
|
|
xor eax, eax
|
|
call disasm_get_word
|
|
call disasm_write_num
|
|
jmp .done1
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
cpush21:
|
|
mov eax, 'push'
|
|
stosd
|
|
mov eax, ' '
|
|
stosd
|
|
|
|
disasm_i32:
|
|
call disasm_get_dword
|
|
call disasm_write_num
|
|
and byte [edi], 0
|
|
ret
|
|
|
|
cpush22:
|
|
mov eax, 'push'
|
|
stosd
|
|
mov eax, ' '
|
|
stosd
|
|
call disasm_get_byte
|
|
movsx eax, al
|
|
|
|
@@:
|
|
call disasm_write_num
|
|
and byte [edi], 0
|
|
ret
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
center:
|
|
mov eax, 'ente'
|
|
stosd
|
|
mov eax, 'r '
|
|
stosd
|
|
xor eax, eax
|
|
call disasm_get_word
|
|
call disasm_write_num
|
|
mov al, ','
|
|
stosb
|
|
mov al, ' '
|
|
stosb
|
|
xor eax, eax
|
|
call disasm_get_byte
|
|
jmp @b
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
cinc1:
|
|
; inc reg32
|
|
cdec1:
|
|
; dec reg32
|
|
cpush1:
|
|
; push reg32
|
|
cpop1:
|
|
; pop reg32
|
|
cbswap:
|
|
; bswap reg32
|
|
mov edx, eax
|
|
and edx, 7
|
|
shr eax, 3
|
|
sub al, 8
|
|
mov esi, 'inc '
|
|
jz @f
|
|
mov esi, 'dec '
|
|
dec al
|
|
jz @f
|
|
mov esi, 'push'
|
|
dec al
|
|
jz @f
|
|
mov esi, 'pop '
|
|
dec al
|
|
jz @f
|
|
mov esi, 'bswa'
|
|
|
|
@@:
|
|
xchg eax, esi
|
|
stosd
|
|
mov eax, ' '
|
|
jz @f
|
|
mov al, 'p'
|
|
|
|
@@:
|
|
stosd
|
|
xchg eax, edx
|
|
call disasm_write_reg1632
|
|
and byte [edi], 0
|
|
ret
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
cxchg1:
|
|
; xchg eax,reg32
|
|
and eax, 7
|
|
xchg eax, edx
|
|
mov eax, 'xchg'
|
|
stosd
|
|
mov eax, ' '
|
|
stosd
|
|
xor eax, eax
|
|
call disasm_write_reg1632
|
|
mov ax, ', '
|
|
stosw
|
|
xchg eax, edx
|
|
call disasm_write_reg1632
|
|
and byte [edi], 0
|
|
ret
|
|
|
|
cint:
|
|
mov eax, 'int '
|
|
stosd
|
|
mov eax, ' '
|
|
stosd
|
|
|
|
disasm_i8u:
|
|
xor eax, eax
|
|
call disasm_get_byte
|
|
call disasm_write_num
|
|
and byte [edi], 0
|
|
ret
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
cmov11:
|
|
; mov r8,i8
|
|
mov ecx, eax
|
|
mov eax, 'mov '
|
|
stosd
|
|
mov eax, ' '
|
|
stosd
|
|
and ecx, 7
|
|
mov ax, [disasm_regs8+ecx*2]
|
|
stosw
|
|
mov ax, ', '
|
|
stosw
|
|
jmp disasm_i8u
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
cmov12:
|
|
; mov r32,i32
|
|
xchg eax, edx
|
|
mov eax, 'mov '
|
|
stosd
|
|
mov eax, ' '
|
|
stosd
|
|
xchg eax, edx
|
|
and eax, 7
|
|
call disasm_write_reg1632
|
|
mov ax, ', '
|
|
stosw
|
|
jmp cmov2.1
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
iglobal
|
|
disasm_shifts dd 'rol ','ror ','rcl ','rcr ','shl ','shr ','sal ','sar '
|
|
endg
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
cshift2:
|
|
; shift r/m,1 = D0/D1
|
|
cshift3:
|
|
; shift r/m,cl = D2/D3
|
|
disasm_set_modew
|
|
mov dl, al
|
|
call disasm_get_byte
|
|
dec [disasm_cur_pos]
|
|
shr al, 3
|
|
and eax, 7
|
|
mov eax, [disasm_shifts+eax*4]
|
|
stosd
|
|
mov eax, ' '
|
|
stosd
|
|
call disasm_readrmop
|
|
cmp dl, 0xD2
|
|
jb .s1
|
|
mov eax, ', cl'
|
|
stosd
|
|
and byte [edi], 0
|
|
ret
|
|
|
|
.s1:
|
|
mov eax, ', 1'
|
|
stosd
|
|
clc
|
|
ret
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
cshift1:
|
|
; shift r/m,i8 = C0/C1
|
|
disasm_set_modew
|
|
call disasm_get_byte
|
|
dec [disasm_cur_pos]
|
|
shr al, 3
|
|
and eax, 7
|
|
mov eax, [disasm_shifts+eax*4]
|
|
stosd
|
|
mov eax, ' '
|
|
stosd
|
|
call disasm_readrmop
|
|
mov ax, ', '
|
|
stosw
|
|
jmp disasm_i8u
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
caam:
|
|
mov eax, 'aam '
|
|
jmp @f
|
|
|
|
caad:
|
|
mov eax, 'aad '
|
|
|
|
@@:
|
|
stosd
|
|
mov eax, ' '
|
|
stosd
|
|
xor eax, eax
|
|
call disasm_get_byte
|
|
cmp al, 10
|
|
jz @f
|
|
call disasm_write_num
|
|
|
|
@@:
|
|
and byte [edi], 0
|
|
ret
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
cmov3:
|
|
; A0: mov al,[ofs32]
|
|
; A1: mov ax/eax,[ofs32]
|
|
; A2: mov [ofs32],al
|
|
; A3: mov [ofs32],ax/eax
|
|
mov edx, 'mov '
|
|
xchg eax, edx
|
|
stosd
|
|
mov eax, ' '
|
|
stosd
|
|
test dl, 2
|
|
jnz .1
|
|
call .write_acc
|
|
mov ax, ', '
|
|
stosw
|
|
call .write_ofs32
|
|
jmp .2
|
|
|
|
.1:
|
|
call .write_ofs32
|
|
mov ax, ', '
|
|
stosw
|
|
call .write_acc
|
|
|
|
.2:
|
|
and byte [edi], 0
|
|
ret
|
|
|
|
.write_acc:
|
|
test dl, 1
|
|
jz .8bit
|
|
test ch, 1
|
|
jnz .16bit
|
|
mov eax, 'eax'
|
|
stosd
|
|
dec edi
|
|
ret
|
|
|
|
.16bit:
|
|
mov ax, 'ax'
|
|
stosw
|
|
ret
|
|
|
|
.8bit:
|
|
mov ax, 'al'
|
|
stosw
|
|
ret
|
|
|
|
.write_ofs32:
|
|
mov al, '['
|
|
stosb
|
|
call disasm_get_dword
|
|
call disasm_write_num
|
|
mov al, ']'
|
|
stosb
|
|
ret
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
disasm_write_reg:
|
|
test ch, 80h
|
|
jnz disasm_write_reg1632
|
|
mov ax, [disasm_regs8+eax*2]
|
|
stosw
|
|
ret
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
disasm_write_reg1632:
|
|
test ch, 1
|
|
jnz @f
|
|
mov eax, [disasm_regs32+eax*4]
|
|
stosd
|
|
dec edi
|
|
ret
|
|
|
|
@@:
|
|
mov ax, [disasm_regs16+eax*2]
|
|
stosw
|
|
ret
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
; 0F B6/B7
|
|
cmovzx:
|
|
; 0F BE/BF
|
|
cmovsx:
|
|
mov edx, eax
|
|
disasm_set_modew
|
|
mov eax, 'movz'
|
|
cmp dl, 0xB8
|
|
jb @f
|
|
mov eax, 'movs'
|
|
|
|
@@:
|
|
stosd
|
|
mov eax, 'x '
|
|
stosd
|
|
call disasm_get_byte
|
|
dec [disasm_cur_pos]
|
|
shr al, 3
|
|
and eax, 7
|
|
call disasm_write_reg1632
|
|
mov ax, ', '
|
|
stosw
|
|
or ch, 1 ; 2nd operand - 8 or 16 bits
|
|
call disasm_readrmop
|
|
and byte [edi], 0
|
|
ret
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
iglobal
|
|
disasm_op2cmds dd 'add ','or ','adc ','sbb ','and ','sub ','xor ','cmp '
|
|
endg
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
cop21:
|
|
disasm_set_modew
|
|
mov esi, 'test'
|
|
cmp al, 0A8h
|
|
jae @f
|
|
shr al, 3
|
|
and eax, 7
|
|
mov esi, [disasm_op2cmds+eax*4]
|
|
|
|
@@:
|
|
xchg eax, esi
|
|
stosd
|
|
mov eax, ' '
|
|
stosd
|
|
test ch, 80h
|
|
jnz .1632
|
|
mov eax, 'al, '
|
|
stosd
|
|
jmp disasm_i8u
|
|
|
|
.1632:
|
|
test ch, 1
|
|
jnz .16
|
|
mov eax, 'eax,'
|
|
stosd
|
|
mov al, ' '
|
|
stosb
|
|
call disasm_get_dword
|
|
jmp .x
|
|
|
|
.16:
|
|
mov eax, 'ax, '
|
|
stosd
|
|
xor eax, eax
|
|
call disasm_get_word
|
|
|
|
.x:
|
|
call disasm_write_num
|
|
and byte [edi], 0
|
|
ret
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
carpl:
|
|
xor edx, edx
|
|
or ch, 0C1h
|
|
mov eax, 'arpl'
|
|
jmp cop22.d2
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
ccmpxchg:
|
|
xor edx, edx
|
|
disasm_set_modew
|
|
or ch, 40h
|
|
mov eax, 'cmpx'
|
|
stosd
|
|
mov eax, 'chg '
|
|
jmp cop22.d1
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
cbsf:
|
|
cbsr:
|
|
or ch, 80h
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
cop22:
|
|
disasm_set_modew
|
|
or ch, 40h
|
|
mov edx, eax
|
|
mov esi, 'lea '
|
|
cmp al, 8Dh
|
|
jz @f
|
|
mov esi, 'imul'
|
|
cmp al, 0xAF
|
|
jz @f
|
|
mov esi, 'bsf '
|
|
cmp al, 0BCh
|
|
jz @f
|
|
mov esi, 'bsr '
|
|
cmp al, 0BDh
|
|
jz @f
|
|
mov esi, 'mov '
|
|
cmp al, 88h
|
|
jae @f
|
|
mov esi, 'xchg'
|
|
cmp al, 86h
|
|
jae @f
|
|
mov esi, 'test'
|
|
cmp al, 84h
|
|
jae @f
|
|
shr al, 3
|
|
and eax, 7
|
|
mov esi, [disasm_op2cmds+eax*4]
|
|
|
|
@@:
|
|
xchg eax, esi
|
|
|
|
.d2:
|
|
stosd
|
|
mov eax, ' '
|
|
|
|
.d1:
|
|
stosd
|
|
call disasm_get_byte
|
|
dec [disasm_cur_pos]
|
|
shr al, 3
|
|
and eax, 7
|
|
cmp dl, 0x8D
|
|
jz @f
|
|
cmp dl, 0x86
|
|
jz @f
|
|
cmp dl, 0x87
|
|
jz @f
|
|
cmp dl, 0xBC
|
|
jz @f
|
|
cmp dl, 0xBD
|
|
jz @f
|
|
test dl, 2
|
|
jz .d0
|
|
|
|
@@:
|
|
call disasm_write_reg
|
|
mov ax, ', '
|
|
stosw
|
|
call disasm_readrmop
|
|
and byte [edi], 0
|
|
ret
|
|
|
|
.d0:
|
|
push eax
|
|
call disasm_readrmop
|
|
mov ax, ', '
|
|
stosw
|
|
pop eax
|
|
call disasm_write_reg
|
|
and byte [edi], 0
|
|
ret
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
cbound:
|
|
mov edx, eax
|
|
mov eax, 'boun'
|
|
stosd
|
|
mov eax, 'd '
|
|
or ch, 0xC0
|
|
jmp cop22.d1
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
cop23:
|
|
disasm_set_modew
|
|
xchg eax, edx
|
|
call disasm_get_byte
|
|
dec [disasm_cur_pos]
|
|
shr eax, 3
|
|
and eax, 7
|
|
mov eax, [disasm_op2cmds+eax*4]
|
|
|
|
ctest:
|
|
stosd
|
|
mov eax, ' '
|
|
stosd
|
|
call disasm_readrmop
|
|
mov ax, ', '
|
|
stosw
|
|
test ch, 80h
|
|
jz .i8
|
|
cmp dl, 83h
|
|
jz .i8
|
|
test ch, 1
|
|
jnz .i16
|
|
call disasm_get_dword
|
|
jmp .ic
|
|
|
|
.i8:
|
|
xor eax, eax
|
|
call disasm_get_byte
|
|
cmp dl, 83h
|
|
jnz .ic
|
|
movsx eax, al
|
|
jmp .ic
|
|
|
|
.i16:
|
|
xor eax, eax
|
|
call disasm_get_word
|
|
|
|
.ic:
|
|
call disasm_write_num
|
|
and byte [edi], 0
|
|
ret
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
cmovcc:
|
|
or ch, 0C0h
|
|
and eax, 0xF
|
|
mov ax, [disasm_jcc_codes + eax*2]
|
|
mov dword [edi], 'cmov'
|
|
add edi, 4
|
|
stosw
|
|
mov ax, ' '
|
|
stosw
|
|
call disasm_get_byte
|
|
dec [disasm_cur_pos]
|
|
shr eax, 3
|
|
and eax, 7
|
|
call disasm_write_reg1632
|
|
mov ax, ', '
|
|
stosw
|
|
call disasm_readrmop
|
|
and byte [edi], 0
|
|
ret
|
|
|
|
; btx r/m,i8 = 0F BA
|
|
cbtx1:
|
|
or ch, 80h
|
|
call disasm_get_byte
|
|
dec [disasm_cur_pos]
|
|
shr al, 3
|
|
and eax, 7
|
|
cmp al, 4
|
|
jb cunk
|
|
mov eax, [btx1codes+eax*4-4*4]
|
|
stosd
|
|
mov eax, ' '
|
|
stosd
|
|
call disasm_readrmop
|
|
mov ax, ', '
|
|
stosw
|
|
jmp disasm_i8u
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
iglobal
|
|
btx1codes dd 'bt ','bts ','btr ','btc '
|
|
endg
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
; btx r/m,r = 0F 101xx011 (A3,AB,B3,BB)
|
|
cbtx2:
|
|
shr al, 3
|
|
and eax, 3
|
|
mov eax, [btx1codes+eax*4]
|
|
stosd
|
|
mov eax, ' '
|
|
stosd
|
|
or ch, 0xC0
|
|
call disasm_get_byte
|
|
dec [disasm_cur_pos]
|
|
shr al, 3
|
|
and eax, 7
|
|
push eax
|
|
call disasm_readrmop
|
|
mov ax, ', '
|
|
stosw
|
|
pop eax
|
|
call disasm_write_reg1632
|
|
and byte [edi], 0
|
|
ret
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
csetcc:
|
|
and eax, 0xF
|
|
mov ax, [disasm_jcc_codes + eax*2]
|
|
mov dword [edi], 'setc'
|
|
add edi, 3
|
|
stosw
|
|
mov ax, ' '
|
|
stosw
|
|
stosb
|
|
call disasm_readrmop
|
|
and byte [edi], 0
|
|
ret
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
iglobal
|
|
disasm_jcc_codes dw 'o ','no','b ','ae','z ','nz','be','a ','s ','ns','p ','np','l ','ge','le','g '
|
|
endg
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
cjcc1:
|
|
cjmp2:
|
|
cmp al, 0xEB
|
|
jz .1
|
|
and eax, 0xF
|
|
mov ax, [disasm_jcc_codes + eax*2]
|
|
jmp .2
|
|
|
|
.1:
|
|
mov ax, 'mp'
|
|
|
|
.2:
|
|
mov byte [edi], 'j'
|
|
inc edi
|
|
stosw
|
|
mov eax, ' '
|
|
stosb
|
|
stosd
|
|
call disasm_get_byte
|
|
movsx eax, al
|
|
|
|
disasm_rva:
|
|
add eax, [disasm_cur_pos]
|
|
call disasm_write_num
|
|
and byte [edi], 0
|
|
ret
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
ccall1:
|
|
cjmp1:
|
|
cjcc2:
|
|
mov edx, 'call'
|
|
cmp al, 0xE8
|
|
jz @f
|
|
mov edx, 'jmp '
|
|
cmp al, 0xE9
|
|
jz @f
|
|
mov edx, ' '
|
|
and eax, 0xF
|
|
mov dx, [disasm_jcc_codes+eax*2]
|
|
shl edx, 8
|
|
mov dl, 'j'
|
|
|
|
@@:
|
|
xchg eax, edx
|
|
stosd
|
|
mov eax, ' '
|
|
stosd
|
|
test ch, 1
|
|
jnz @f
|
|
call disasm_get_dword
|
|
jmp disasm_rva
|
|
|
|
@@:
|
|
call disasm_get_word
|
|
add eax, [disasm_cur_pos]
|
|
and eax, 0xFFFF
|
|
call disasm_write_num
|
|
and byte [edi], 0
|
|
ret
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
ccallf:
|
|
mov eax, 'call'
|
|
stosd
|
|
mov eax, ' '
|
|
stosd
|
|
mov al, 'd'
|
|
test ch, 1
|
|
jnz @f
|
|
mov al, 'p'
|
|
|
|
@@:
|
|
stosb
|
|
mov eax, 'word'
|
|
stosd
|
|
mov al, ' '
|
|
stosb
|
|
test ch, 1
|
|
jnz .1
|
|
call disasm_get_dword
|
|
jmp .2
|
|
|
|
.1:
|
|
xor eax, eax
|
|
call disasm_get_word
|
|
|
|
.2:
|
|
push eax
|
|
xor eax, eax
|
|
call disasm_get_word
|
|
call disasm_write_num
|
|
mov al, ':'
|
|
stosb
|
|
pop eax
|
|
call disasm_write_num
|
|
and byte [edi], 0
|
|
ret
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
iglobal
|
|
op11codes dd 'test',0,'not ','neg ','mul ','imul','div ','idiv'
|
|
op12codes dd 'inc ','dec ','call',0,'jmp ',0,'push',0
|
|
endg
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
cop1:
|
|
disasm_set_modew
|
|
xchg eax, edx
|
|
call disasm_get_byte
|
|
movzx esi, al
|
|
dec [disasm_cur_pos]
|
|
shr al, 3
|
|
and eax, 7
|
|
cmp dl, 0xFE
|
|
jnz @f
|
|
cmp al, 1
|
|
jbe @f
|
|
|
|
.0:
|
|
inc [disasm_cur_pos]
|
|
jmp cunk
|
|
|
|
@@:
|
|
and edx, 8
|
|
add eax, edx
|
|
cmp al, 11
|
|
jz .callfar
|
|
cmp al, 13
|
|
jz .jmpfar
|
|
mov eax, [op11codes+eax*4]
|
|
test eax, eax
|
|
jz .0
|
|
cmp eax, 'test'
|
|
jz ctest
|
|
|
|
.2:
|
|
stosd
|
|
mov eax, ' '
|
|
stosd
|
|
call disasm_readrmop
|
|
and byte [edi], 0
|
|
ret
|
|
|
|
.callfar:
|
|
mov eax, 'call'
|
|
|
|
.1:
|
|
cmp esi, 0xC0
|
|
jae .0
|
|
stosd
|
|
mov eax, ' '
|
|
stosd
|
|
mov eax, 'far '
|
|
stosd
|
|
mov al, 'd'
|
|
test ch, 1
|
|
jnz @f
|
|
mov al, 'p'
|
|
|
|
@@:
|
|
stosb
|
|
or ch, 1
|
|
call disasm_readrmop
|
|
and byte [edi], 0
|
|
ret
|
|
|
|
.jmpfar:
|
|
mov eax, 'jmp '
|
|
jmp .1
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
cpop2:
|
|
or ch, 80h
|
|
call disasm_get_byte
|
|
dec [disasm_cur_pos]
|
|
test al, 00111000b
|
|
jnz cunk
|
|
mov eax, 'pop '
|
|
jmp cop1.2
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
cloopnz:
|
|
mov eax, 'loop'
|
|
stosd
|
|
mov eax, 'nz '
|
|
test ch, 2
|
|
jz @f
|
|
mov ah, 'w'
|
|
|
|
@@:
|
|
jmp cloop.cmn
|
|
|
|
cloopz:
|
|
mov eax, 'loop'
|
|
stosd
|
|
mov eax, 'z '
|
|
test ch, 2
|
|
jz @f
|
|
mov eax, 'zw '
|
|
|
|
@@:
|
|
jmp cloop.cmn
|
|
|
|
cjcxz:
|
|
cloop:
|
|
cmp al, 0xE2
|
|
jz .loop
|
|
test ch, 2
|
|
jnz .jcxz
|
|
mov eax, 'jecx'
|
|
stosd
|
|
mov eax, 'z '
|
|
jmp .cmn
|
|
|
|
.jcxz:
|
|
mov eax, 'jcxz'
|
|
stosd
|
|
mov eax, ' '
|
|
jmp .cmn
|
|
|
|
.loop:
|
|
mov eax, 'loop'
|
|
stosd
|
|
mov eax, ' '
|
|
test ch, 2
|
|
jz .cmn
|
|
mov al, 'w'
|
|
|
|
.cmn:
|
|
stosd
|
|
call disasm_get_byte
|
|
movsx eax, al
|
|
add eax, [disasm_cur_pos]
|
|
test ch, 1
|
|
jz @f
|
|
and eax, 0xFFFF
|
|
|
|
; @@:
|
|
disasm_write_num_done:
|
|
@@:
|
|
call disasm_write_num
|
|
and byte [edi], 0
|
|
ret
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
; imul r,r/m,i
|
|
cimul1:
|
|
or ch, 80h ; 32bit operation
|
|
xchg eax, edx
|
|
mov eax, 'imul'
|
|
stosd
|
|
mov eax, ' '
|
|
stosd
|
|
call disasm_get_byte
|
|
dec [disasm_cur_pos]
|
|
shr al, 3
|
|
and eax, 7
|
|
call disasm_write_reg1632
|
|
mov ax, ', '
|
|
stosw
|
|
call disasm_readrmop
|
|
mov ax, ', '
|
|
stosw
|
|
test ch, 1
|
|
jnz .16
|
|
cmp dl, 0x69
|
|
jz .op32
|
|
call disasm_get_byte
|
|
movsx eax, al
|
|
jmp disasm_write_num_done
|
|
|
|
.op32:
|
|
call disasm_get_dword
|
|
jmp disasm_write_num_done
|
|
|
|
.16:
|
|
cmp dl, 0x69
|
|
jz .op16
|
|
call disasm_get_byte
|
|
cbw
|
|
jmp disasm_write_num_done
|
|
|
|
.op16:
|
|
xor eax, eax
|
|
call disasm_get_word
|
|
jmp disasm_write_num_done
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
cshld:
|
|
cshrd:
|
|
mov edx, 'shld'
|
|
test al, 8
|
|
jz @f
|
|
mov edx, 'shrd'
|
|
|
|
@@:
|
|
xchg eax, edx
|
|
stosd
|
|
mov eax, ' '
|
|
stosd
|
|
call disasm_get_byte
|
|
dec [disasm_cur_pos]
|
|
shr al, 3
|
|
and eax, 7
|
|
push eax
|
|
or ch, 80h
|
|
call disasm_readrmop
|
|
mov ax, ', '
|
|
stosw
|
|
pop eax
|
|
call disasm_write_reg1632
|
|
mov ax, ', '
|
|
stosw
|
|
test dl, 1
|
|
jz disasm_i8u
|
|
mov ax, 'cl'
|
|
stosw
|
|
and byte [edi], 0
|
|
ret
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
ccbw:
|
|
mov eax, 'cbw '
|
|
test ch, 1
|
|
jnz @f
|
|
mov eax, 'cwde'
|
|
|
|
@@:
|
|
stosd
|
|
and byte [edi], 0
|
|
ret
|
|
|
|
ccwd:
|
|
mov eax, 'cwd '
|
|
test ch, 1
|
|
jnz @b
|
|
mov eax, 'cdq '
|
|
jmp @b
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
ccmpxchg8b:
|
|
call disasm_get_byte
|
|
cmp al, 0xC0
|
|
jae cerr
|
|
shr al, 3
|
|
and al, 7
|
|
cmp al, 1
|
|
jnz cerr
|
|
dec [disasm_cur_pos]
|
|
mov eax, 'cmpx'
|
|
stosd
|
|
mov eax, 'chg8'
|
|
stosd
|
|
mov al, 'b'
|
|
stosb
|
|
mov al, ' '
|
|
stosb
|
|
or ch, 40h
|
|
call disasm_readrmop
|
|
and byte [edi], 0
|
|
ret
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
iglobal
|
|
fpuD8 dd 'add ','mul ','com ','comp','sub ','subr','div ','divr'
|
|
endg
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
cD8:
|
|
call disasm_get_byte
|
|
dec [disasm_cur_pos]
|
|
push eax
|
|
shr al, 3
|
|
and eax, 7
|
|
mov byte [edi], 'f'
|
|
inc edi
|
|
xchg eax, edx
|
|
mov eax, [fpuD8+edx*4]
|
|
stosd
|
|
mov ax, ' '
|
|
stosw
|
|
stosb
|
|
pop eax
|
|
cmp dl, 2
|
|
jb .1
|
|
cmp dl, 3
|
|
jbe .2
|
|
|
|
.1:
|
|
cmp al, 0xC0
|
|
jb .2
|
|
mov eax, 'st0,'
|
|
stosd
|
|
mov al, ' '
|
|
stosb
|
|
|
|
.2:
|
|
or ch, 80h or 20h
|
|
and ch, not 1
|
|
call disasm_readrmop
|
|
and byte [edi], 0
|
|
ret
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
iglobal
|
|
fpuD9_2:
|
|
dq 'fchs ','fabs ',0,0,'ftst ','fxam ',0,0
|
|
db 'fld1 fldl2t fldl2e fldpi fldlg2 fldln2 fldz '
|
|
dq 0
|
|
db 'f2xm1 fyl2x fptan fpatan fxtract fprem1 fdecstp fincstp '
|
|
db 'fprem fyl2xp1 fsqrt fsincos frndint fscale fsin fcos '
|
|
fpuD9_fnop db 'fnop '
|
|
endg
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
cD9:
|
|
call disasm_get_byte
|
|
sub al, 0xC0
|
|
jae .l1
|
|
dec [disasm_cur_pos]
|
|
shr al, 3
|
|
and eax, 7
|
|
cmp al, 7
|
|
jnz @f
|
|
mov eax, 'fnst'
|
|
stosd
|
|
mov eax, 'cw '
|
|
jmp .x1
|
|
|
|
@@:
|
|
cmp al, 5
|
|
jnz @f
|
|
mov eax, 'fldc'
|
|
stosd
|
|
mov eax, 'w '
|
|
|
|
.x1:
|
|
stosd
|
|
or ch, 0C1h
|
|
jmp .cmn
|
|
|
|
@@:
|
|
mov edx, 'fld '
|
|
test al, al
|
|
jz @f
|
|
mov edx, 'fst '
|
|
cmp al, 2
|
|
jz @f
|
|
mov edx, 'fstp'
|
|
cmp al, 3
|
|
jnz cunk
|
|
|
|
@@:
|
|
xchg eax, edx
|
|
stosd
|
|
mov eax, ' '
|
|
stosd
|
|
or ch, 80h
|
|
and ch, not 1
|
|
|
|
.cmn:
|
|
call disasm_readrmop
|
|
and byte [edi], 0
|
|
ret
|
|
|
|
.l1:
|
|
cmp al, 10h
|
|
jae .l2
|
|
mov edx, 'fld '
|
|
cmp al, 8
|
|
jb @f
|
|
mov edx, 'fxch'
|
|
|
|
@@:
|
|
xchg eax, edx
|
|
stosd
|
|
mov eax, ' '
|
|
stosd
|
|
xchg eax, edx
|
|
and al, 7
|
|
add al, '0'
|
|
shl eax, 16
|
|
mov ax, 'st'
|
|
stosd
|
|
clc
|
|
ret
|
|
|
|
.l2:
|
|
cmp al, 0x10
|
|
jnz @f
|
|
mov esi, fpuD9_fnop
|
|
jmp .l3
|
|
|
|
@@:
|
|
sub al, 0x20
|
|
jb cerr
|
|
lea esi, [fpuD9_2+eax*8]
|
|
cmp byte [esi], 0
|
|
jz cerr
|
|
|
|
.l3:
|
|
movsd
|
|
movsd
|
|
and byte [edi-1], 0
|
|
ret
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
cDA:
|
|
call disasm_get_byte
|
|
cmp al, 0xC0
|
|
jae cunk
|
|
dec [disasm_cur_pos]
|
|
shr al, 3
|
|
and eax, 7
|
|
mov word [edi], 'fi'
|
|
inc edi
|
|
inc edi
|
|
mov eax, [fpuD8+eax*4]
|
|
stosd
|
|
mov ax, ' '
|
|
stosw
|
|
or ch, 80h
|
|
and ch, not 1 ; 32-bit operand
|
|
call disasm_readrmop
|
|
and byte [edi], 0
|
|
ret
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
iglobal
|
|
fpuDB dd 'ild ',0,'ist ','istp',0,'ld ',0,'stp '
|
|
endg
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
cDB:
|
|
call disasm_get_byte
|
|
cmp al, 0xC0
|
|
jae .1
|
|
dec [disasm_cur_pos]
|
|
shr al, 3
|
|
and eax, 7
|
|
xchg eax, edx
|
|
mov eax, [fpuDB+edx*4]
|
|
test eax, eax
|
|
jz cerr
|
|
mov byte [edi], 'f'
|
|
inc edi
|
|
stosd
|
|
mov ax, ' '
|
|
stosw
|
|
stosb
|
|
or ch, 80h
|
|
and ch, not 1 ; 32-bit operand
|
|
cmp dl, 4
|
|
jb @f
|
|
or ch, 20h
|
|
and ch, not 80h ; 80-bit operand
|
|
|
|
@@:
|
|
call disasm_readrmop
|
|
and byte [edi], 0
|
|
ret
|
|
|
|
.1:
|
|
cmp al, 0xE3
|
|
jnz cunk
|
|
mov eax, 'fnin'
|
|
stosd
|
|
mov eax, 'it'
|
|
stosd
|
|
dec edi
|
|
ret ; CF cleared
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
iglobal
|
|
fpuDC dd 'add ','mul ',0,0,'subr','sub ','divr','div '
|
|
endg
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
cDC:
|
|
call disasm_get_byte
|
|
cmp al, 0xC0
|
|
jae .1
|
|
dec [disasm_cur_pos]
|
|
shr al, 3
|
|
and eax, 7
|
|
mov byte [edi], 'f'
|
|
inc edi
|
|
mov eax, [fpuD8+eax*4]
|
|
stosd
|
|
mov ax, ' '
|
|
stosw
|
|
stosb
|
|
or ch, 0A1h ; qword
|
|
call disasm_readrmop
|
|
and byte [edi], 0
|
|
ret
|
|
|
|
.1:
|
|
mov dl, al
|
|
shr al, 3
|
|
and eax, 7
|
|
mov eax, [fpuDC+eax*4]
|
|
test eax, eax
|
|
jz cerr
|
|
mov byte [edi], 'f'
|
|
inc edi
|
|
stosd
|
|
mov eax, ' s'
|
|
stosd
|
|
mov al, 't'
|
|
stosb
|
|
and edx, 7
|
|
lea eax, [edx+'0']
|
|
stosb
|
|
mov eax, ', st'
|
|
stosd
|
|
mov ax, '0'
|
|
stosw
|
|
ret ; CF cleared
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
iglobal
|
|
fpuDD dd 'fld ',0,'fst ','fstp',0,0,0,0
|
|
fpuDD_2 dq 'ffree ',0,'fst ','fstp ','fucom ','fucomp ',0,0
|
|
endg
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
cDD:
|
|
call disasm_get_byte
|
|
cmp al, 0xC0
|
|
jae .1
|
|
dec [disasm_cur_pos]
|
|
shr al, 3
|
|
and eax, 7
|
|
xchg eax, edx
|
|
mov eax, [fpuDD+edx*4]
|
|
test eax, eax
|
|
jz cunk
|
|
stosd
|
|
mov eax, ' '
|
|
stosd
|
|
or ch, 0A1h ; qword operand
|
|
call disasm_readrmop
|
|
and byte [edi], 0
|
|
ret
|
|
|
|
.1:
|
|
push eax
|
|
shr al, 3
|
|
and eax, 7
|
|
xchg eax, edx
|
|
mov eax, dword [fpuDD_2+edx*8]
|
|
test eax, eax
|
|
jz cerr
|
|
stosd
|
|
mov eax, dword [fpuDD_2+4+edx*8]
|
|
stosd
|
|
mov ax, 'st'
|
|
stosw
|
|
pop eax
|
|
and al, 7
|
|
add al, '0'
|
|
stosb
|
|
and byte [edi], 0
|
|
ret
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
iglobal
|
|
fpuDE dd 'add ','mul ',0,0,'subr','sub ','divr','div '
|
|
endg
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
cDE:
|
|
call disasm_get_byte
|
|
cmp al, 0xC0
|
|
jae .1
|
|
dec [disasm_cur_pos]
|
|
mov word [edi], 'fi'
|
|
inc edi
|
|
inc edi
|
|
shr al, 3
|
|
and eax, 7
|
|
mov eax, [fpuD8+eax*4]
|
|
stosd
|
|
mov ax, ' '
|
|
stosw
|
|
or ch, 81h ; force 16-bit
|
|
call disasm_readrmop
|
|
and byte [edi], 0
|
|
ret
|
|
|
|
.1:
|
|
push eax
|
|
shr al, 3
|
|
and eax, 7
|
|
xchg eax, edx
|
|
mov eax, [fpuDE+edx*4]
|
|
test eax, eax
|
|
jz .fcompp
|
|
mov byte [edi], 'f'
|
|
inc edi
|
|
stosd
|
|
mov al, 'p'
|
|
cmp byte [edi-1], ' '
|
|
jnz @f
|
|
mov byte [edi-1], al
|
|
mov al, ' '
|
|
|
|
@@:
|
|
stosb
|
|
mov eax, ' st'
|
|
stosd
|
|
pop eax
|
|
and al, 7
|
|
add al, '0'
|
|
stosb
|
|
mov ax, ', '
|
|
stosw
|
|
mov eax, 'st0'
|
|
stosd
|
|
ret ; CF cleared
|
|
|
|
.fcompp:
|
|
pop eax
|
|
cmp al, 0xD9
|
|
jnz cerr
|
|
mov eax, 'fcom'
|
|
stosd
|
|
mov ax, 'pp'
|
|
stosw
|
|
and byte [edi], 0
|
|
ret
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
iglobal
|
|
fpuDF dd 'ild ',0,'ist ','istp','bld ','ild ','bstp','istp'
|
|
endg
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
cDF:
|
|
call disasm_get_byte
|
|
cmp al, 0xC0
|
|
jae .1
|
|
dec [disasm_cur_pos]
|
|
shr al, 3
|
|
and eax, 7
|
|
xchg eax, edx
|
|
mov eax, [fpuDF+edx*4]
|
|
test eax, eax
|
|
jz cerr
|
|
mov byte [edi], 'f'
|
|
inc edi
|
|
stosd
|
|
mov ax, ' '
|
|
stosw
|
|
stosb
|
|
or ch, 81h ; force 16-bit operand
|
|
cmp dl, 4
|
|
jb @f
|
|
or ch, 20h
|
|
test dl, 1
|
|
jnz @f
|
|
or ch, 40h
|
|
|
|
@@:
|
|
call disasm_readrmop
|
|
and byte [edi], 0
|
|
ret
|
|
|
|
.1:
|
|
cmp al, 0xE0
|
|
jnz cunk
|
|
mov eax, 'fnst'
|
|
stosd
|
|
mov eax, 'sw '
|
|
stosd
|
|
mov ax, 'ax'
|
|
stosw
|
|
and byte [edi], 0
|
|
ret
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
cmovd1:
|
|
mov eax, 'movd'
|
|
stosd
|
|
mov eax, ' '
|
|
stosd
|
|
call disasm_get_byte
|
|
dec [disasm_cur_pos]
|
|
shr al, 3
|
|
and eax, 7
|
|
call disasm_write_mmreg
|
|
mov ax, ', '
|
|
stosw
|
|
or ch, 0C0h
|
|
and ch, not 1
|
|
call disasm_readrmop
|
|
and byte [edi], 0
|
|
ret
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
cmovd2:
|
|
mov eax, 'movd'
|
|
stosd
|
|
mov eax, ' '
|
|
stosd
|
|
call disasm_get_byte
|
|
dec [disasm_cur_pos]
|
|
shr al, 3
|
|
and eax, 7
|
|
push eax ecx
|
|
or ch, 0C0h
|
|
and ch, not 1
|
|
call disasm_readrmop
|
|
mov ax, ', '
|
|
stosw
|
|
pop ecx eax
|
|
call disasm_write_mmreg
|
|
and byte [edi], 0
|
|
ret
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
cmovq1:
|
|
test ch, 1
|
|
jz .mm
|
|
mov eax, 'movd'
|
|
stosd
|
|
mov eax, 'qa '
|
|
stosd
|
|
jmp disasm_mmx1
|
|
|
|
.mm:
|
|
mov eax, 'movq'
|
|
stosd
|
|
mov eax, ' '
|
|
stosd
|
|
jmp disasm_mmx1
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
cmovq2:
|
|
test ch, 1
|
|
jz .mm
|
|
mov eax, 'movd'
|
|
stosd
|
|
mov eax, 'qa '
|
|
stosd
|
|
jmp disasm_mmx3
|
|
|
|
.mm:
|
|
mov eax, 'movq'
|
|
|
|
disasm_mmx2:
|
|
stosd
|
|
mov eax, ' '
|
|
stosd
|
|
|
|
disasm_mmx3:
|
|
or ch, 50h
|
|
call disasm_get_byte
|
|
dec [disasm_cur_pos]
|
|
push eax
|
|
call disasm_readrmop
|
|
mov ax, ', '
|
|
stosw
|
|
pop eax
|
|
shr al, 3
|
|
and eax, 7
|
|
call disasm_write_mmreg
|
|
and byte [edi], 0
|
|
ret
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
iglobal
|
|
mmx_cmds:
|
|
db 0x60,'unpcklbw'
|
|
db 0x61,'unpcklwd'
|
|
db 0x62,'unpckldq'
|
|
db 0x63,'packsswb'
|
|
db 0x64,'pcmpgtb '
|
|
db 0x65,'pcmpgtw '
|
|
db 0x66,'pcmpgtd '
|
|
db 0x67,'packuswb'
|
|
db 0x68,'unpckhbw'
|
|
db 0x69,'unpckhwd'
|
|
db 0x6A,'unpckhdq'
|
|
db 0x6B,'packssdw'
|
|
db 0x74,'pcmpeqb '
|
|
db 0x75,'pcmpeqw '
|
|
db 0x76,'pcmpeqd '
|
|
db 0xD4,'paddq '
|
|
db 0xD5,'pmullw '
|
|
db 0xD8,'psubusb '
|
|
db 0xD9,'psubusw '
|
|
db 0xDA,'pminub '
|
|
db 0xDB,'pand '
|
|
db 0xDC,'paddusb '
|
|
db 0xDD,'paddusw '
|
|
db 0xDE,'pmaxub '
|
|
db 0xDF,'pandn '
|
|
db 0xE0,'pavgb '
|
|
db 0xE3,'pavgw '
|
|
db 0xE4,'pmulhuw '
|
|
db 0xE5,'pmulhw '
|
|
db 0xE8,'psubsb '
|
|
db 0xE9,'psubsw '
|
|
db 0xEA,'pminsw '
|
|
db 0xEB,'por '
|
|
db 0xEC,'paddsb '
|
|
db 0xED,'paddsw '
|
|
db 0xEE,'pmaxsw '
|
|
db 0xEF,'pxor '
|
|
db 0xF4,'pmuludq '
|
|
db 0xF5,'pmaddwd '
|
|
db 0xF6,'psadbw '
|
|
db 0xF8,'psubb '
|
|
db 0xF9,'psubw '
|
|
db 0xFA,'psubd '
|
|
db 0xFB,'psubq '
|
|
db 0xFC,'paddb '
|
|
db 0xFD,'paddw '
|
|
db 0xFE,'paddd '
|
|
endg
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
cpcmn:
|
|
mov esi, mmx_cmds
|
|
|
|
@@:
|
|
cmp al, [esi]
|
|
jz @f
|
|
add esi, 9
|
|
jmp @b
|
|
|
|
@@:
|
|
inc esi
|
|
mov al, 'p'
|
|
cmp byte [esi], al
|
|
jz @f
|
|
stosb
|
|
|
|
@@:
|
|
movsd
|
|
movsd
|
|
cmp byte [edi-1], ' '
|
|
jz @f
|
|
mov al, ' '
|
|
stosb
|
|
|
|
; @@:
|
|
|
|
disasm_mmx1:
|
|
@@:
|
|
or ch, 50h
|
|
call disasm_get_byte
|
|
dec [disasm_cur_pos]
|
|
shr al, 3
|
|
and eax, 7
|
|
call disasm_write_mmreg
|
|
mov ax, ', '
|
|
stosw
|
|
call disasm_readrmop
|
|
cmp word [disasm_string], 'cm'
|
|
jz .cmp
|
|
and byte [edi], 0
|
|
ret
|
|
|
|
.cmp:
|
|
call disasm_get_byte
|
|
and eax, 7
|
|
mov dx, 'eq'
|
|
dec eax
|
|
js @f
|
|
mov dx, 'lt'
|
|
jz @f
|
|
mov dh, 'e'
|
|
dec eax
|
|
jnz .no2
|
|
|
|
@@:
|
|
xchg dx, word [disasm_string+3]
|
|
mov word [disasm_string+5], dx
|
|
and byte [edi], 0
|
|
ret
|
|
|
|
.no2:
|
|
dec eax
|
|
jnz @f
|
|
add edi, 2
|
|
push edi
|
|
lea esi, [edi-3]
|
|
lea ecx, [esi-(disasm_string+8)+2]
|
|
std
|
|
rep movsb
|
|
cld
|
|
mov cx, word [esi-3]
|
|
mov dword [esi-3], 'unor'
|
|
mov byte [esi+1], 'd'
|
|
mov word [esi+2], cx
|
|
pop edi
|
|
and byte [edi+1], 0
|
|
ret
|
|
|
|
@@:
|
|
mov edx, 'neq'
|
|
dec eax
|
|
jz @f
|
|
mov edx, 'nlt'
|
|
dec eax
|
|
jz @f
|
|
mov edx, 'nle'
|
|
dec eax
|
|
jz @f
|
|
mov edx, 'ord'
|
|
|
|
@@:
|
|
push edi
|
|
lea esi, [edi-1]
|
|
lea ecx, [esi-(disasm_string+8)+2]
|
|
std
|
|
rep movsb
|
|
cld
|
|
mov cx, word [esi-3]
|
|
mov dword [esi-3], edx
|
|
mov word [esi], cx
|
|
pop edi
|
|
and byte [edi+1], 0
|
|
ret
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
cpsrlw:
|
|
mov eax, 'psrl'
|
|
jmp @f
|
|
|
|
cpsraw:
|
|
mov eax, 'psra'
|
|
jmp @f
|
|
|
|
cpsllw:
|
|
mov eax, 'psll'
|
|
|
|
@@:
|
|
stosd
|
|
mov eax, 'w '
|
|
stosd
|
|
jmp disasm_mmx1
|
|
|
|
cpsrld:
|
|
mov eax, 'psrl'
|
|
jmp @f
|
|
|
|
cpsrad:
|
|
mov eax, 'psra'
|
|
jmp @f
|
|
|
|
cpslld:
|
|
mov eax, 'psll'
|
|
|
|
@@:
|
|
stosd
|
|
mov eax, 'd '
|
|
stosd
|
|
jmp disasm_mmx1
|
|
|
|
cpsrlq:
|
|
mov eax, 'psrl'
|
|
jmp @f
|
|
|
|
cpsllq:
|
|
mov eax, 'psll'
|
|
|
|
@@:
|
|
stosd
|
|
mov eax, 'q '
|
|
stosd
|
|
jmp disasm_mmx1
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
csse1:
|
|
iglobal
|
|
sse_cmds1:
|
|
db 0x2F,4,'comi'
|
|
db 0x54,3,'and'
|
|
db 0x55,4,'andn'
|
|
db 0x58,3,'add'
|
|
db 0xC2,3,'cmp'
|
|
endg
|
|
mov esi, sse_cmds1+1
|
|
|
|
.1:
|
|
@@:
|
|
movzx edx, byte [esi]
|
|
cmp al, [esi-1]
|
|
jz @f
|
|
lea esi, [esi+edx+2]
|
|
jmp @b
|
|
|
|
@@:
|
|
push ecx
|
|
mov ecx, edx
|
|
inc esi
|
|
rep movsb
|
|
pop ecx
|
|
mov al, 's'
|
|
cmp byte [edi-1], 'i'
|
|
jz @f
|
|
mov al, 'p'
|
|
|
|
@@:
|
|
stosb
|
|
mov al, 'd'
|
|
test ch, 1
|
|
jnz @f
|
|
mov al, 's'
|
|
|
|
@@:
|
|
stosb
|
|
push ecx
|
|
push 5
|
|
pop ecx
|
|
sub ecx, edx
|
|
adc ecx, 1
|
|
mov al, ' '
|
|
rep stosb
|
|
pop ecx
|
|
or ch, 1 ; force XMM reg
|
|
jmp disasm_mmx1
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
csse2:
|
|
iglobal
|
|
sse_cmds2:
|
|
db 0xD0,6,'addsub'
|
|
db 0,0
|
|
endg
|
|
test ch, 1
|
|
jz cerr
|
|
mov esi, sse_cmds2+1
|
|
jmp csse1.1
|
|
|
|
cpshift:
|
|
mov dl, al
|
|
mov ax, 'ps'
|
|
stosw
|
|
call disasm_get_byte
|
|
push eax
|
|
and al, 0xC0
|
|
cmp al, 0xC0
|
|
jnz .pop_cunk
|
|
pop eax
|
|
push eax
|
|
shr al, 3
|
|
and eax, 7
|
|
cmp al, 2
|
|
jz .rl
|
|
cmp al, 4
|
|
jz .ra
|
|
cmp al, 6
|
|
jz .ll
|
|
|
|
.pop_cunk:
|
|
pop eax
|
|
jmp cunk
|
|
|
|
.ll:
|
|
mov ax, 'll'
|
|
jmp @f
|
|
|
|
.rl:
|
|
mov ax, 'rl'
|
|
jmp @f
|
|
|
|
.ra:
|
|
cmp dl, 0x73
|
|
jz .pop_cunk
|
|
mov ax, 'ra'
|
|
|
|
@@:
|
|
stosw
|
|
mov al, 'w'
|
|
cmp dl, 0x71
|
|
jz @f
|
|
mov al, 'd'
|
|
cmp dl, 0x72
|
|
jz @f
|
|
mov al, 'q'
|
|
|
|
@@:
|
|
stosb
|
|
mov ax, ' '
|
|
stosw
|
|
stosb
|
|
pop eax
|
|
and eax, 7
|
|
call disasm_write_mmreg
|
|
mov ax, ', '
|
|
stosw
|
|
xor eax, eax
|
|
call disasm_get_byte
|
|
call disasm_write_num
|
|
and byte [edi], 0
|
|
ret
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
iglobal
|
|
grp15c1 dq 'fxsave ','fxrstor ','ldmxcsr ','stmxcsr ',0,0,0,'clflush '
|
|
endg
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
cgrp15:
|
|
call disasm_get_byte
|
|
cmp al, 0xC0
|
|
jae cunk
|
|
shr al, 3
|
|
and eax, 7
|
|
mov edx, eax
|
|
mov eax, dword [grp15c1+eax*8]
|
|
test eax, eax
|
|
jz cerr
|
|
dec [disasm_cur_pos]
|
|
stosd
|
|
mov eax, dword [grp15c1+4+edx*8]
|
|
stosd
|
|
or ch, 40h
|
|
call disasm_readrmop
|
|
and byte [edi], 0
|
|
ret
|
|
|
|
; vim: ft=fasm tabstop=4
|
|
|