From 6dce5594c5899157ea12119ed4d3c00998e0cf00 Mon Sep 17 00:00:00 2001
From: Jeff Epler <jepler@gmail.com>
Date: Tue, 18 Mar 2025 14:06:35 -0500
Subject: [PATCH] show audio buffer next to screen in 512x342

---
 src/main.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/main.c b/src/main.c
index ced093c..16050ce 100644
--- a/src/main.c
+++ b/src/main.c
@@ -106,6 +106,7 @@ static int umac_cursor_x = 0;
 static int umac_cursor_y = 0;
 static int umac_cursor_button = 0;
 
+#define umac_get_audio_offset() (RAM_SIZE - 768)
 #if USE_PSRAM
 static void copy_framebuffer() {
     uint32_t *src = (uint32_t*)(umac_ram + umac_get_fb_offset());
@@ -125,6 +126,11 @@ static void copy_framebuffer() {
           *dest++ = *src++ ^ 0xfffffffful;
         }
     }
+    uint16_t *src16 = (uint16_t*)(umac_ram + umac_get_audio_offset());
+    for(int i=0; i<370; i++) {
+        uint32_t *dest = umac_framebuffer_mirror + LONGS_PER_OUTPUT_ROW * i;
+        *dest = *src16++;
+    }
 #else
 #error Unsupported display geometry for framebuffer mirroring
 #endif