Support procedure without _ in the first stage

boot/stage2.elna

@@ -2,9 +2,6 @@ program
 
 import dummy
 
-const
-	SOURCE_BUFFER_SIZE := 81920
-
 var
 	source_code: [81920]Byte
 
@@ -661,66 +658,6 @@ begin
 	_advance(8)
 end
 
-proc _compile_constant_section()
-var
-	loca0: Word
-	loca4: ^Byte
-begin
-	loca0 := 0x6365732e;
-	_write_s(4, @loca0);
-	loca0 := 0x6e6f6974;
-	_write_s(4, @loca0);
-	loca0 := 0x6f722e20;
-	_write_s(4, @loca0);
-	loca0 := 0x61746164;
-	_write_s(4, @loca0);
-	loca0 := 0x0a;
-	_write_s(1, @loca0);
-
-	_advance(6);
-
-	.Lcompile_constant_section_item;
-	_skip_spaces();
-	loca4 := _current();
-	loca0 := _front(loca4);
-	if _is_upper(loca0) then
-		_compile_constant();
-		goto .Lcompile_constant_section_item
-	end;
-
-	.Lcompile_constant_section_end
-end
-
-proc _compile_constant()
-var
-	loca0: Word
-	loca4: Word
-	loca8: ^Byte
-begin
-	loca4 := _read_token();
-	loca8 := _current();
-
-	_write_s(loca4, loca8);
-	_advance(loca4);
-
-	_skip_spaces();
-	_advance(2);
-
-	loca0 := 0x6c2e203a;
-	_write_s(4, @loca0);
-	loca0 := 0x20676e6f;
-	_write_s(4, @loca0);
-
-	_skip_spaces();
-	loca4 := _read_token();
-	loca8 := _current();
-
-	_write_s(loca4, loca8);
-	_advance(loca4);
-
-	_write_c(0x0a)
-end
-
 proc _compile_variable_section()
 var
 	loca0: Word
@@ -1186,12 +1123,6 @@ begin
 		goto .Lcompile_line_program
 	end;
 
-	loca12 := 0x736e6f63;
-	loca4 := _memcmp(loca16, @loca12, 4);
-	if loca4 = 0 then
-		goto .Lcompile_line_const
-	end;
-
 	loca12 := 0x0a726176;
 	loca4 := _memcmp(loca16, @loca12, 4);
 	if loca4 = 0 then
@@ -1297,10 +1228,6 @@ begin
 	loca8 := 1;
 	goto .Lcompile_line_end;
 
-	.Lcompile_line_const;
-	_compile_constant_section();
-	goto .Lcompile_line_section;
-
 	.Lcompile_line_procedure;
 	if loca80 = 1 then
 		goto .Lcompile_line_compile_procedure
@@ -1455,7 +1382,7 @@ end
 
 proc _main()
 begin
-	_read_file(source_code, SOURCE_BUFFER_SIZE);
+	_read_file(source_code, 81920);
 
 	_label_counter(0)
 end