148 lines
2.1 KiB
NASM
148 lines
2.1 KiB
NASM
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use32
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org 0
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db 'MENUET01'
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dd 1
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dd _start
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dd _end
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dd _memory
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dd _stack
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dd _param
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dd 0
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;=========================================
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_start:
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mov ah, byte [_param]
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test ah, ah
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jz _exit
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call console_lib_init
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push cobj_caption
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push -1
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push -1
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push -1
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push -1
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call [con_init]
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mov eax, 68
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mov ebx, 19
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mov ecx, _param
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int 0x40
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test eax, eax
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jz _exit_and_close_console
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mov edx, eax
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_main_loop:
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cmp dword [edx], 0
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je _exit_and_close_console
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push dword [edx]
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push specification
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call [con_printf]
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add esp, 8
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add edx, 8
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jmp _main_loop
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_exit_and_close_console:
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push 0
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call [con_exit]
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_exit:
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mov eax, -1
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int 0x40
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;=========================================
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console_lib_init:
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; load DLL
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mov eax, 68
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mov ebx, 19
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mov ecx, console_lib_name
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int 0x40
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test eax, eax
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jz _exit
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; initialize import
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mov edx, eax
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mov esi, console_lib_import
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import_loop:
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lodsd
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test eax, eax
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jz import_done
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push edx
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import_find:
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mov ebx, [edx]
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test ebx, ebx
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jz _exit;import_not_found
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push eax
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@@:
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mov cl, [eax]
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cmp cl, [ebx]
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jnz import_find_next
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test cl, cl
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jz import_found
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inc eax
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inc ebx
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jmp @b
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import_find_next:
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pop eax
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add edx, 8
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jmp import_find
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import_found:
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pop eax
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mov eax, [edx+4]
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mov [esi-4], eax
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pop edx
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jmp import_loop
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import_done:
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ret
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;=========================================
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console_lib_name db '/sys/lib/console.obj',0
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align 4
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console_lib_import:
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dll_start dd aStart
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con_init dd aConInit
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con_exit dd aConExit
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con_printf dd aCon_printf
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dd 0
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aStart db 'START',0
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aConInit db 'con_init',0
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aConExit db 'con_exit',0
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aCon_printf db 'con_printf',0
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;=========================================
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cobj_caption db 'cObj v0.2 by Albom',0
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specification db '%s',13,10,0
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;=========================================
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_param:
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db 0
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rb 256
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_end:
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align 32
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rb 2048
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_stack:
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_memory:
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;=========================================
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