mirror of
https://github.com/KolibriOS/kolibrios.git
synced 2024-12-16 03:42:35 +03:00
507 lines
8.0 KiB
PHP
507 lines
8.0 KiB
PHP
; PRIVATE FIELDS
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__shell.buf__ rd 1
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__shell.name__ rb 16
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__shell.str__ rb 16
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;-----------------------------------
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; a = 0
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;-----------------------------------
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macro clear a {
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xor a, a
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}
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;-----------------------------------
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; if a == b then c
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;-----------------------------------
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macro cmpe a, b, c {
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cmp a, b
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je c
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}
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;-----------------------------------
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; if a != b then c
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;-----------------------------------
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macro cmpne a, b, c {
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cmp a, b
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jne c
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}
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;-----------------------------------
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; Shell`s initialization
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; without arguments
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;-----------------------------------
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shell.init:
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pusha
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; Get PID
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mov eax, 68
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mov ebx, 11
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int 64
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mov eax, 68
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mov ebx, 12
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mov ecx, 1024
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int 64
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mov esi, eax
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mov eax, 9
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mov ebx, esi
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mov ecx, -1
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int 64
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mov eax, dword [esi + 30]
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mov [@pid], eax
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mov eax, 68
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mov ebx, 13
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mov ecx, esi
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int 64
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; Convert PID to STR
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mov eax, [@pid]
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mov ebx, 10
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clear ecx
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@@:
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clear edx
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div ebx
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push edx
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inc ecx
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cmpne eax, 0, @b
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mov ebx, __shell.name__
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@@:
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pop eax
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add al, "0"
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mov [ebx], al
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inc ebx
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loop @b
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; Add postfix
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mov [ebx + 0], dword "-SHE"
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mov [ebx + 4], word "LL"
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mov [ebx + 6], byte 0
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; Open buffer
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mov eax, 68
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mov ebx, 22
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mov ecx, __shell.name__
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mov edx, 4096
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mov esi, 101b
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int 64
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mov [__shell.buf__], eax
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mov eax, 5
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mov ebx, 5
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int 64
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popa
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ret
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;-----------------------------------
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; Wait answer from shell
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;
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; INPUT:
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; edi - shell-buffer
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;-----------------------------------
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shell.wait:
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pusha
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@@:
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mov eax, 5
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mov ebx, 1
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int 64
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cmpne [edi], byte 0, @b
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popa
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ret
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;-----------------------------------
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; Exit from shell
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; without arguments
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;-----------------------------------
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shell.destroy:
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pusha
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mov edi, [__shell.buf__]
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mov [edi], byte 1
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call shell.wait
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mov eax, 68
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mov ebx, 23
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mov ecx, __shell.name__
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int 64
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popa
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ret
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;-----------------------------------
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; Print char to shell
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;
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; INPUT:
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; al - char
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;-----------------------------------
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shell.print_char:
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pusha
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mov edi, [__shell.buf__]
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mov [edi], byte 2
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mov [edi + 1], al
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call shell.wait
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popa
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ret
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;-----------------------------------
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; Print string to shell
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;
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; INPUT:
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; eax - string
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;-----------------------------------
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shell.print_string:
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pusha
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mov edi, [__shell.buf__]
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mov [edi], byte 3
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inc edi
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@@:
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mov bl, [eax]
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mov [edi], bl
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inc edi
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inc eax
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cmpne [eax], byte 0, @b
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mov [edi], byte 0
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mov edi, [__shell.buf__]
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call shell.wait
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popa
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ret
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;-----------------------------------
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; Print number to shell
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;
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; INPUT:
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; eax - number
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;-----------------------------------
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shell.print_num:
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pusha
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mov ecx, eax
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and ecx, 1 shl 31
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cmpe ecx, 0, @f
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mov [__shell.str__], "-"
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not eax
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inc eax
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@@:
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mov ebx, 10
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clear ecx
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@@:
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clear edx
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div ebx
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push edx
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inc ecx
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cmpne eax, 0, @b
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mov ebx, __shell.str__
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inc ebx
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@@:
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pop eax
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add al, "0"
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mov [ebx], al
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inc ebx
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loop @b
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mov [ebx], byte 0
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mov eax, __shell.str__
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cmpe [eax], byte "-", @f
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inc eax
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@@:
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call shell.print_string
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popa
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ret
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;-----------------------------------
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; Get char from shell
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;
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; OUTPUT:
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; al - char
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;-----------------------------------
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shell.get_char:
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push ebx ecx edx esi edi
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mov edi, [__shell.buf__]
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mov [edi], byte 4
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call shell.wait
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mov al, [edi + 1]
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pop edi esi edx ecx ebx
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ret
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;-----------------------------------
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; Get string from shell
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;
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; INPUT:
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; eax - addres of memory for str
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;-----------------------------------
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shell.get_string:
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pusha
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mov edi, [__shell.buf__]
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mov [edi], byte 5
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call shell.wait
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inc edi
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@@:
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mov bl, [edi]
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mov [eax], bl
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inc eax
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inc edi
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cmpne [edi], byte 0, @b
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mov [eax], byte 0
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popa
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ret
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;-----------------------------------
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; Get number from shell
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;
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; OUTPUT:
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; eax - number
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;-----------------------------------
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shell.get_num:
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push ebx ecx edx esi edi
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mov eax, __shell.str__
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call shell.get_string
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mov ebx, eax
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clear eax
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clear edi
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cmpne [ebx], byte "-", @f
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mov edi, 1
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inc ebx
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@@:
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sub [ebx], byte "0"
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imul eax, 10
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add al, [ebx]
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inc ebx
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cmpne [ebx], byte 10, @b
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cmpe edi, 0, @f
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not eax
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inc eax
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@@:
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pop edi esi edx ecx ebx
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ret
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;-----------------------------------
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; Clear shell
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; without arguments
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;-----------------------------------
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shell.clear:
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pusha
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mov edi, [__shell.buf__]
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mov [edi], byte 6
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call shell.wait
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popa
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ret
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;-----------------------------------
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; Print char to shell
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;
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; INPUT:
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; arg1 - char
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;-----------------------------------
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macro shpc [char] {
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push eax
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mov al, char
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call shell.print_char
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pop eax
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}
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;-----------------------------------
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; Go to new line in shell
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; without arguments
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;-----------------------------------
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macro shln {
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shpc 10
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shpc 13
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}
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;-----------------------------------
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; Print string to shell
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;
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; INPUT:
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; arg1 - string
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;-----------------------------------
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macro shps [string] {
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local ..string, ..label
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jmp ..label
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..string db string, 0
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..label:
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push eax
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mov eax, ..string
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call shell.print_string
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pop eax
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}
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;-----------------------------------
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; Print string to shell
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;
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; INPUT:
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; arg1 - addres of string
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;-----------------------------------
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macro shpsa [addr] {
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push eax
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mov eax, addr
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call shell.print_string
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pop eax
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}
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;-----------------------------------
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; Print number to shell
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;
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; INPUT:
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; arg1 - number
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;-----------------------------------
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macro shpn [num] {
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push eax
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mov eax, num
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call shell.print_num
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pop eax
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}
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;-----------------------------------
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; Get char from shell
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;
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; OUTPUT:
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; al - char
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;-----------------------------------
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macro shgc {
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call shell.get_char
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}
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;-----------------------------------
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; Get string from shell
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;
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; INPUT:
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; arg1 - addres of memory for str
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;-----------------------------------
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macro shgs [addr] {
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mov eax, addr
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call shell.get_string
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}
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;-----------------------------------
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; Get number from shell
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;
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; INPUT:
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; arg1 - addres of memory for num
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;-----------------------------------
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macro shgn [addr] {
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push eax
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call shell.get_num
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mov [addr], eax
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pop eax
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}
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;-----------------------------------
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; Wait any char from shell
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; without arguments
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;-----------------------------------
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macro shw {
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push eax
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call shell.get_char
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pop eax
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}
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;-----------------------------------
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; Clear shell
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; without arguments
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;-----------------------------------
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macro shc {
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call shell.clear
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}
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;-----------------------------------
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; Choice
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;
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; INPUT:
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; arg1 - question
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; arg2 - asnwers
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;
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; OUTPUT:
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; al - answer
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;-----------------------------------
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macro shchs str, chs {
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local ..loop1, ..loop2, ..chs, ..start, ..res
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jmp ..start
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..chs db chs, 0
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..start:
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push ebx
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shps str, " ["
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shpsa ..chs
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shps "]: "
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..loop1:
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call shell.get_char
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mov ebx, ..chs
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..loop2:
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cmpe al, [ebx], ..res
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inc ebx
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cmpe [ebx], byte 0, ..loop1
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jmp ..loop2
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..res:
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mov al, [ebx]
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call shell.print_char
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shln
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mov eax, ebx
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sub eax, ..chs
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pop ebx
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} |