X-Git-Url: https://git.danieliu.xyz/?p=sped.git;a=blobdiff_plain;f=sped.asm;h=e0920a1712b6c5af80784a4995d2eb9073796ef2;hp=eda67b319c0ed0c03fbe20f546e5b2bf76db4752;hb=HEAD;hpb=17adbf435e9341831aa580404d18d8caa7448ce2

diff --git a/sped.asm b/sped.asm
index eda67b3..e0920a1 100644
--- a/sped.asm
+++ b/sped.asm
@@ -1,51 +1,80 @@
+; sped - the stupidly pointless editor
+; written by pinosaur
+; sped.asm: main file
+
+%include "macros.S"
 
-global main
 extern printf
 
-; macros
-%macro write_str 2
-    mov eax, 4
-    mov ebx, 1
-    mov ecx, %1
-    mov edx, %2
-    int 0x80
-%endmacro
+extern readFile
+extern repl
+
+global main
 
 section .data
     banner_str db `SPED - the stupidly pointless editor\n`, 0x00
-    readfile_str db `reading file %s\n`, 0x00
-    nofile_str db `no file provided\n`, 0x00
-    argcount_str db `there are %d args\n`, 0x00
+    nofile_str db `no file provided.\n`, 0x00
+    readlines_str db `opened file with %i lines.\n`, 0x00
 
 section .text
 main:
+    %define _ARGC 8
+    %define _ARGV 12
+
+    %define BUFFER          4
+    %define BUFFER_LINES    8
+    %define BUFFER_FILENAME 12
+
     push ebp
     mov ebp, esp
 
-    ; read command line args
-    mov ecx, [ebp+8]
+    sub esp, 12
 
+    ; read command line args
+    mov ecx, [ebp+_ARGC]
     cmp ecx, 1
-    jg .readFile
+    jg _main_existing
     
     ; display error msg if no file
     push nofile_str
     call printf
     mov eax, 1
-    jmp .exit
+    jmp _main_exit
+
+    _main_existing:
+    mov ebx, DWORD [ebp+_ARGV]
+    add ebx, 4 ; first user arg is filename
+    mov ebx, [ebx]
+    mov [ebp-BUFFER_FILENAME], ebx
 
-.readFile:
+    push DWORD [ebp-BUFFER_FILENAME]
+    call readFile
 
-    mov ebx, DWORD [ebp+12]
-    add ebx, 4
-    push DWORD [ebx]
-    push readfile_str
+    mov [ebp-BUFFER], eax
+    mov [ebp-BUFFER_LINES], ecx
+
+    push DWORD [ebp-BUFFER_LINES]
+    push readlines_str
     call printf
 
+    push DWORD [ebp-BUFFER]
+    push DWORD [ebp-BUFFER_LINES]
+    push DWORD [ebp-BUFFER_FILENAME]
+    call repl
+
     mov eax, 0
-    jmp .exit
+    jmp _main_exit
+
+    _main_exit:
+
+    ; free string array
+
+    %undef _ARGC
+    %undef _ARGV
+    %undef BUFFER
+    %undef BUFFER_LINES
+    %undef BUFFER_FILENAME
 
-.exit:
     mov esp, ebp
     pop ebp
     ret