started work on VERIFY and SAVE commands

c64/basic/commands/cmd_save.s

@@ -0,0 +1,29 @@
+// #LAYOUT# STD *       #TAKE
+// #LAYOUT# *   BASIC_0 #TAKE
+// #LAYOUT# *   *       #IGNORE
+
+
+cmd_save:
+
+	// Set default device and secondary address; channel is not important now
+
+	jsr select_device
+	ldy #$00                           // secondary address
+	jsr JSETFLS
+
+	// Check if file name is supplied
+
+	jsr basic_end_of_statement_check
+	bcs_16 do_MISSING_FILENAME_error
+
+	// Fetch the file name
+
+	jsr cmd_load_fetch_filename
+
+
+
+
+
+	// XXX - finish the implementation
+
+	jmp basic_main_loop