+; sped - the stupidly pointless editor
+; written by pinosaur
-%macro write_str 2
- mov eax, 4
- mov ebx, 1
- mov ecx, %1
- mov edx, %2
- int 0x80
-%endmacro
+%include "fileutils.S"
+
+global main
+extern printf
section .data
- msg db "SPED - the stupidly pointless editor", 0x0a
- len equ $ - msg
+ banner_str db `SPED - the stupidly pointless editor\n`, 0x00
+ nofile_str db `no file provided\n`, 0x00
section .text
-global _start
-_start:
- write_str msg, len
+main:
+ %define _ARGC 8
+ %define _ARGV 12
+
+ push ebp
+ mov ebp, esp
+ ; read command line args
+ mov ecx, [ebp+_ARGC]
+ cmp ecx, 1
+ jg _main_existing
+
+ ; display error msg if no file
+ push nofile_str
+ call printf
mov eax, 1
- mov ebx, 42
- int 0x80
+ jmp _main_exit
+
+ _main_existing:
+ mov ebx, DWORD [ebp+_ARGV]
+ add ebx, 4 ; first user arg is filename
+ push DWORD [ebx]
+ call readFile
+
+ mov eax, 0
+ jmp _main_exit
+
+ _main_exit:
+ %undef _ARGC
+ %undef _ARGV
+
+ mov esp, ebp
+ pop ebp
+ ret
+
