70 lines
1.5 KiB
Plaintext
70 lines
1.5 KiB
Plaintext
## Copyright (C) 2016 Jeremiah Orians
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## This file is part of stage0.
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##
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## stage0 is free software: you an redistribute it and/or modify
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## it under the terms of the GNU General Public License as published by
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## the Free Software Foundation, either version 3 of the License, or
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## (at your option) any later version.
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##
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## stage0 is distributed in the hope that it will be useful,
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## but WITHOUT ANY WARRANTY; without even the implied warranty of
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## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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## GNU General Public License for more details.
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##
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## You should have received a copy of the GNU General Public License
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## along with stage0. If not, see <http://www.gnu.org/licenses/>.
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:_start
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CALL_IMMEDIATE %FUNCTION_main
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COPY_eax_to_ebx
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LOAD_IMMEDIATE_eax %1
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INT_80
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:FUNCTION_exit
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POP_ebx
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POP_ebx
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LOAD_IMMEDIATE_eax %1
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INT_80
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:FUNCTION_getchar
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LOAD_IMMEDIATE_eax %3
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LOAD_IMMEDIATE_ebx %0
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PUSH_ebx
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COPY_esp_to_ecx
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LOAD_IMMEDIATE_edx %1
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INT_80
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TEST
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POP_eax
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JUMP_NE8 !FUNCTION_getchar_Done
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LOAD_IMMEDIATE_eax %-1
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:FUNCTION_getchar_Done
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RETURN
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:FUNCTION_malloc
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STORE_eax_into_ESP_IMMEDIATE8 !4
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PUSH_eax
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LOAD_IMMEDIATE_eax %45
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LOAD_IMMEDIATE_ebx %0
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INT_80
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POP_ebx
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ADD_eax_to_ebx
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PUSH_eax
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PUSH_ebx
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LOAD_IMMEDIATE_eax %45
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INT_80
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POP_ebx
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CMP
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POP_eax
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JUMP_EQ8 !FUNCTION_malloc_Done
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LOAD_IMMEDIATE_eax %-1
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:FUNCTION_malloc_Done
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RETURN
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:FUNCTION_putchar
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LOAD_IMMEDIATE_eax %4
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LOAD_IMMEDIATE_ebx %1
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LOAD_EFFECTIVE_ADDRESS_ecx !4
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COPY_ebx_to_edx
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INT_80
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RETURN
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