Change pattern chains to be saved per bank

2 files changed, 4 insertions, 0 deletions

diff --git a/src/main.c b/src/main.c
index 1a05da0..28e5e6b 100644
--- a/src/main.c
+++ b/src/main.c
@@ -23,6 +23,8 @@ WITH REGARD TO THIS SOFTWARE.
 //
 // Quality of life improvements.
 //  + Make the channel parameters initialize to default
+//  + Keep one pattern chain per bank
+//  + Store pattern chains on bank if there is enough memory available.
 //  - When not on play mode, adjusting a note or a parameter triggers the sound.
 //    This could get annoying, so maybe it should be a configuration option to
 //    enable it?
diff --git a/src/save.c b/src/save.c
index 4b285ad..8c26557 100644
--- a/src/save.c
+++ b/src/save.c
@@ -23,11 +23,13 @@ sram_write(u8 *src, u16 pos, u16 n_bytes) {
 void
 save_bank(int i) {
     sram_write(&patterns, sizeof(Metadata) + i * sizeof(patterns), sizeof(patterns));
+    sram_write(&chain, sizeof(Metadata) + 4 * sizeof(patterns) + i * sizeof(chain), sizeof(chain));
 }
 
 void
 load_bank(int i) {
     sram_read(&patterns, sizeof(Metadata) + i * sizeof(patterns), sizeof(patterns));
+    sram_read(&chain, sizeof(Metadata) + 4 * sizeof(patterns) + i * sizeof(chain), sizeof(chain));
 }
 
 void