From: Lukas Krickl <lukas@krickl.dev>
Date: Tue, 19 Nov 2024 08:02:27 +0000 (+0100)
Subject: Added audio init code
X-Git-Url: https://git.krickl.dev/?a=commitdiff_plain;h=9a0bfd47207820c8a554eae689d07cc15b9b55cc;p=gbrg%2F.git

Added audio init code
---

diff --git a/src/audio.s b/src/audio.s
new file mode 100644
index 0000000..8472e18
--- /dev/null
+++ b/src/audio.s
@@ -0,0 +1,4 @@
+audio_init:
+  ld a, AUDIO_ALL_ON
+  ld [AUDIO_CTRL], a
+  ret
diff --git a/src/hw.inc b/src/hw.inc
index 9c796c5..dedc0f5 100644
--- a/src/hw.inc
+++ b/src/hw.inc
@@ -91,3 +91,11 @@
 #define MBC1_SRAM_ENABLE 0x0000
 #define MBC1_ROM_BANKSEL 0x2000
 #define MBC1_SRAM_BANKSEL 0x4000
+
+; audio registers
+#define AUDIO_CTRL 0xFF26
+
+#define AUDIO_ALL_ON 0b10000000
+#define AUDIO_ALL_OFF 0b00000000
+
+
diff --git a/src/main.s b/src/main.s
index d336459..edf2f16 100644
--- a/src/main.s
+++ b/src/main.s
@@ -17,6 +17,7 @@ entry:
 
   call lcd_off
   call video_init
+  call audio_init
   call lcd_on
   call vblank_wait
   
@@ -56,6 +57,7 @@ main:
 #include "ui.s"
 #include "collision.s"
 #include "actor.s"
+#include "audio.s"
 
 #include "tiles.inc"