## Copyright (C) 2016 Jeremiah Orians
## This file is part of stage0.
##
## stage0 is free software: you an redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## the Free Software Foundation, either version 3 of the License, or
## (at your option) any later version.
##
## stage0 is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
## GNU General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with stage0.  If not, see <http://www.gnu.org/licenses/>.

:_start
	CALL_IMMEDIATE %FUNCTION_main
	COPY_eax_to_ebx
	LOAD_IMMEDIATE_eax %1
	INT_80

:FUNCTION_exit
	POP_ebx
	POP_ebx
	LOAD_IMMEDIATE_eax %1
	INT_80

:FUNCTION_getchar
	LOAD_IMMEDIATE_eax %3
	LOAD_IMMEDIATE_ebx %0
	PUSH_ebx
	COPY_esp_to_ecx
	LOAD_IMMEDIATE_edx %1
	INT_80
	TEST
	POP_eax
	JUMP_NE8 !FUNCTION_getchar_Done
	LOAD_IMMEDIATE_eax %-1
:FUNCTION_getchar_Done
	RETURN

:FUNCTION_malloc
	STORE_eax_into_ESP_IMMEDIATE8 !4
	PUSH_eax
	LOAD_IMMEDIATE_eax %45
	LOAD_IMMEDIATE_ebx %0
	INT_80
	POP_ebx
	ADD_eax_to_ebx
	PUSH_eax
	PUSH_ebx
	LOAD_IMMEDIATE_eax %45
	INT_80
	POP_ebx
	CMP
	POP_eax
	JUMP_EQ8 !FUNCTION_malloc_Done
	LOAD_IMMEDIATE_eax %-1
:FUNCTION_malloc_Done
	RETURN

:FUNCTION_putchar
	LOAD_IMMEDIATE_eax %4
	LOAD_IMMEDIATE_ebx %1
	LOAD_EFFECTIVE_ADDRESS_ecx !4
	COPY_ebx_to_edx
	INT_80
	RETURN