From 5024c6631ab583c0b375f0002e2ad6d6373d84ee Mon Sep 17 00:00:00 2001
From: Bad Diode <bd@badd10de.dev>
Date: Sun, 28 May 2023 11:06:04 +0200
Subject: Fix save data corruption if no save existed

---
 src/sequencer.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'src/sequencer.c')

diff --git a/src/sequencer.c b/src/sequencer.c
index 6aa8eea..867e686 100644
--- a/src/sequencer.c
+++ b/src/sequencer.c
@@ -957,8 +957,12 @@ void
 sequencer_init(void) {
     // Load the previous bank from SRAM or initialize it if needed.
     sram_read(&metadata, 0, sizeof(Metadata));
-    if (metadata.magic != 0xbadd10de) {
-        metadata.magic = 0xbadd10de;
+    if (metadata.initialized != SAVE_INIT_MAGIC) {
+        for (size_t i = 0; i < KB(64) / 8; ++i) {
+            SRAM[i] = 0x00;
+        }
+        dma_fill(&metadata, 0, sizeof(Metadata), 3);
+        metadata.initialized = SAVE_INIT_MAGIC;
         sram_write(&metadata, 0, sizeof(Metadata));
         save_bank(0);
         save_bank(1);
-- 
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