fix: only enable sound for sm83 consoles

Dabolus · Dec 14, 2022 · 36ab9ec · 36ab9ec
1 parent edcb135
commit 36ab9ec
Showing 1 changed file with 14 additions and 0 deletions.
diff --git a/src/helpers/sound.c b/src/helpers/sound.c
@@ -5,6 +5,7 @@
 #include <gbdk/platform.h>
 
 void sound_init() {
+#ifdef NINTENDO
   // NOTE: these registers must be in this specific order!
   // 1000 0000 in binary: turns on sound
   NR52_REG = 0x80;
@@ -15,51 +16,64 @@ void sound_init() {
   // (1 bit for L and 1 for R), so we are telling the GB to
   // enable every channel on both L and R
   NR51_REG = 0xFF;
+#endif
 }
 
 void sound_start() {
+#ifdef NINTENDO
   NR10_REG = 0x00;
   NR11_REG = 0xC2;
   NR12_REG = 0xF4;
   NR13_REG = 0xB0;
   NR14_REG = 0x86;
+#endif
 }
 
 void sound_enter() {
+#ifdef NINTENDO
   NR10_REG = 0x00;
   NR11_REG = 0x80;
   NR12_REG = 0x63;
   NR13_REG = 0x73;
   NR14_REG = 0x86;
+#endif
 }
 
 void sound_switch() {
+#ifdef NINTENDO
   NR41_REG = 0x00;
   NR42_REG = 0x37;
   NR43_REG = 0x70;
   NR44_REG = 0x80;
+#endif
 }
 
 void sound_scroll(uint8_t len) {
+#ifdef NINTENDO
   NR41_REG = 0x00;
   NR42_REG = 0x60 | len;
   NR43_REG = 0x10;
   NR44_REG = 0x80;
+#endif
 }
 
 void sound_bounce() {
+#ifdef NINTENDO
   NR10_REG = 0x77;
   NR11_REG = 0xC0;
   NR12_REG = 0x83;
   NR13_REG = 0x66;
   NR14_REG = 0x86;
+#endif
 }
 
 void sound_back() {
+#ifdef NINTENDO
   NR41_REG = 0x1F;
   NR42_REG = 0xF1;
   NR43_REG = 0x30;
   NR44_REG = 0xC0;
+#endif
 }
 
 #endif