nanker

	sys_exit        equ     1
	sys_read        equ     3
	sys_write       equ     4
	sys_open        equ     5
	sys_close       equ     6
	sys_brk         equ     45
	sys_newstat     equ     106

	O_RDONLY        equ     0
	O_WRONLY        equ     1
	O_RDWR          equ     2

	stdin           equ     0
	stdout          equ     1
	stderr          equ     2

	struc STAT
	    .st_dev:        resd 1
	    .st_ino:        resd 1
	    .st_mode:       resw 1
	    .st_nlink:      resw 1
	    .st_uid:        resw 1
	    .st_gid:        resw 1
	    .st_rdev:       resd 1
	    .st_size:       resd 1
	    .st_blksize:    resd 1
	    .st_blocks:     resd 1
	    .st_atime:      resd 1
	    .st_atime_nsec: resd 1
	    .st_mtime:      resd 1
	    .st_mtime_nsec: resd 1
	    .st_ctime:      resd 1
	    .st_ctime_nsec: resd 1
	    .unused4:       resd 1
	    .unused5:       resd 1
	endstruc

	%define sizeof(x) x %+ _size

	SECTION     .data
	szFile      db      "TEST", 0
	File_Len    equ     $-szFile


	SECTION     .bss
	stat        resb    sizeof(STAT)
	Org_Break   resd    1
	TempBuf     resd    1

	SECTION     .text
	global      _start

	_start:
	    ;~ Get file size
	    mov     ebx, szFile
	    mov     ecx, stat
	    mov     eax, sys_newstat
	    int     80H

	    ;~ Get end of bss section
	    xor     ebx, ebx
	    mov     eax, sys_brk
	    int     80H
	    mov     [Org_Break], eax
	    mov     [TempBuf], eax
	    push    eax

	    ; extend it by file size
	    pop     ebx
	    add     ebx, dword [stat + STAT.st_size]
	    mov     eax, sys_brk
	    int     80H

	    ;~ open file
	    mov     ebx, szFile
	    mov     ecx, O_RDONLY
	    xor     edx, edx
	    mov     eax, sys_open
	    int     80H
	    xchg    eax, esi

	    ;~ read in file to buffer
	    mov     ebx, esi
	    mov     ecx, [TempBuf]
	    mov     edx, dword [stat + STAT.st_size]
	    mov     eax, sys_read
	    int     80H

	    ;~ display to terminal
	    mov     ebx, stdout
	    mov     ecx, [TempBuf]
	    mov     edx, eax
	    mov     eax, sys_write
	    int     80H

	    ;~ close file
	    mov     ebx, esi
	    mov     eax, sys_close
	    int     80H

	    ;~ "free" memory
	    mov     ebx, [Org_Break]
	    mov     eax, sys_brk
	    int     80H

	Exit:
	    mov     eax, sys_exit
	    xor     ebx, ebx
	    int     80H