From 65f28dab6a006732bfeddeae61c45038575e4b26 Mon Sep 17 00:00:00 2001
From: chaoskagami <chaos.kagami@gmail.com>
Date: Mon, 9 May 2016 15:10:05 -0400
Subject: [PATCH] Add menu file?

---
 copy.sh               |  4 ++++
 source/menu.c         | 40 ++++++++++++++++++++++++++++++++--------
 source/std/README.txt |  1 +
 3 files changed, 37 insertions(+), 8 deletions(-)
 create mode 100644 copy.sh
 create mode 100644 source/std/README.txt

diff --git a/copy.sh b/copy.sh
new file mode 100644
index 0000000..2ae94e8
--- /dev/null
+++ b/copy.sh
@@ -0,0 +1,4 @@
+#!/bin/bash
+mount /dev/sdb1 /media/sd
+cp out/arm9loaderhax.bin /media/sd/anim/boot/a.bin
+umount /media/sd
diff --git a/source/menu.c b/source/menu.c
index 7113280..1c153a6 100644
--- a/source/menu.c
+++ b/source/menu.c
@@ -13,6 +13,7 @@
 
 static int cursor_y = 0;
 static int which_menu = 1;
+static int need_redraw = 1;
 
 uint32_t wait_key() {
     uint32_t get = 0;
@@ -37,8 +38,6 @@ void header() {
 int menu_patches() { return MENU_MAIN; }
 
 int menu_options() {
-    clear_screen(TOP_SCREEN);
-
     set_cursor(TOP_SCREEN, 0, 0);
 
     const char *list[] = {
@@ -67,9 +66,20 @@ int menu_options() {
         else
             fprintf(TOP_SCREEN, "   ");
 
-        fprintf(TOP_SCREEN, "[%c] %s\n", (config.options[i] ? 'X' : ' '), list[i]);
+        if (need_redraw)
+			fprintf(TOP_SCREEN, "[%c] %s\n", (config.options[i] ? 'X' : ' '), list[i]);
+		else {
+			// Yes, this is weird. printf does a large number of extra things we don't
+			// want computed at the moment; this is faster.
+			putc(TOP_SCREEN, '[');
+			putc(TOP_SCREEN, (config.options[i] ? 'X' : ' '));
+			putc(TOP_SCREEN, ']');
+			putc(TOP_SCREEN, '\n');
+		}
     }
 
+	need_redraw = 0;
+
     uint32_t key = wait_key();
 
     switch(key) {
@@ -84,6 +94,9 @@ int menu_options() {
             config.options[cursor_y] = !config.options[cursor_y];
             break;
         case BUTTON_B:
+			need_redraw = 1;
+		    clear_screen(TOP_SCREEN);
+			cursor_y = 0;
             return MENU_MAIN;
             break;
     }
@@ -126,11 +139,15 @@ int menu_help() {
                         "\n"
                         " <https://github.com/chaoskagami/corbenik>\n"
                         "\n");
+
     while (1) {
         if (wait_key() & BUTTON_ANY)
             break;
     }
 
+	need_redraw = 1;
+    clear_screen(TOP_SCREEN);
+
     return MENU_MAIN;
 }
 
@@ -153,8 +170,6 @@ int menu_poweroff() {
 }
 
 int menu_main() {
-    clear_screen(TOP_SCREEN);
-
     set_cursor(TOP_SCREEN, 0, 0);
 
     const char *list[] = {
@@ -176,12 +191,20 @@ int menu_main() {
 	            fprintf(TOP_SCREEN, "\x1b[32m>>\x1b[0m ");
 	        else
 	            fprintf(TOP_SCREEN, "   ");
-	        fprintf(TOP_SCREEN, "%s\n", list[i]);
+
+        	if (need_redraw)
+	        	fprintf(TOP_SCREEN, "%s\n", list[i]);
+			else
+				putc(TOP_SCREEN, '\n');
 		}
     }
 
+	need_redraw = 0;
+
     uint32_t key = wait_key();
 
+	int ret = cursor_y+2;
+
     switch(key) {
         case BUTTON_UP:
             cursor_y -= 1;
@@ -194,8 +217,9 @@ int menu_main() {
 				cursor_y += 1; // Disable help.
             break;
         case BUTTON_A:
-            return cursor_y+2;
-            break;
+			need_redraw = 1;
+			cursor_y = 0;
+            return ret;
     }
 
     // Loop around the cursor.
diff --git a/source/std/README.txt b/source/std/README.txt
new file mode 100644
index 0000000..3dc3d2e
--- /dev/null
+++ b/source/std/README.txt
@@ -0,0 +1 @@
+This is (sort of) an implementation of C99 std. It is pathetically uncompliant but may be of interest to people wishing to have a usable 16-color printf function.
-- 
2.39.5