style: improve code quality

src/core/apu/Noise.zig

@@ -67,12 +67,12 @@ pub fn tick(self: *Self, comptime kind: Tick) void {
 }
 
 /// NR41, NR42
-pub fn getSoundCntL(self: *const Self) u16 {
+pub fn sound4CntL(self: *const Self) u16 {
     return @as(u16, self.envelope.raw) << 8;
 }
 
 /// NR41, NR42
-pub fn setSoundCntL(self: *Self, value: u16) void {
+pub fn setSound4CntL(self: *Self, value: u16) void {
     self.setNr41(@truncate(u8, value));
     self.setNr42(@truncate(u8, value >> 8));
 }
@@ -90,12 +90,12 @@ pub fn setNr42(self: *Self, value: u8) void {
 }
 
 /// NR43, NR44
-pub fn getSoundCntH(self: *const Self) u16 {
+pub fn sound4CntH(self: *const Self) u16 {
     return @as(u16, self.poly.raw & 0x40) << 8 | self.cnt.raw;
 }
 
 /// NR43, NR44
-pub fn setSoundCntH(self: *Self, fs: *const FrameSequencer, value: u16) void {
+pub fn setSound4CntH(self: *Self, fs: *const FrameSequencer, value: u16) void {
     self.poly.raw = @truncate(u8, value);
     self.setNr44(fs, @truncate(u8, value >> 8));
 }

src/core/apu/Tone.zig

@@ -68,12 +68,12 @@ pub fn onToneEvent(self: *Self, late: u64) void {
 }
 
 /// NR21, NR22
-pub fn getSoundCntL(self: *const Self) u16 {
+pub fn sound2CntL(self: *const Self) u16 {
     return @as(u16, self.envelope.raw) << 8 | (self.duty.raw & 0xC0);
 }
 
 /// NR21, NR22
-pub fn setSoundCntL(self: *Self, value: u16) void {
+pub fn setSound2CntL(self: *Self, value: u16) void {
     self.setNr21(@truncate(u8, value));
     self.setNr22(@truncate(u8, value >> 8));
 }
@@ -91,12 +91,12 @@ pub fn setNr22(self: *Self, value: u8) void {
 }
 
 /// NR23, NR24
-pub fn getSoundCntH(self: *const Self) u16 {
+pub fn sound2CntH(self: *const Self) u16 {
     return self.freq.raw & 0x4000;
 }
 
 /// NR23, NR24
-pub fn setSoundCntH(self: *Self, fs: *const FrameSequencer, value: u16) void {
+pub fn setSound2CntH(self: *Self, fs: *const FrameSequencer, value: u16) void {
     self.setNr23(@truncate(u8, value));
     self.setNr24(fs, @truncate(u8, value >> 8));
 }

src/core/apu/ToneSweep.zig

@@ -78,18 +78,18 @@ pub fn onToneSweepEvent(self: *Self, late: u64) void {
 }
 
 /// NR10, NR11, NR12
-pub fn setSoundCnt(self: *Self, value: u32) void {
-    self.setSoundCntL(@truncate(u8, value));
-    self.setSoundCntH(@truncate(u16, value >> 16));
+pub fn setSound1Cnt(self: *Self, value: u32) void {
+    self.setSound1CntL(@truncate(u8, value));
+    self.setSound1CntH(@truncate(u16, value >> 16));
 }
 
 /// NR10
-pub fn getSoundCntL(self: *const Self) u8 {
+pub fn sound1CntL(self: *const Self) u8 {
     return self.sweep.raw & 0x7F;
 }
 
 /// NR10
-pub fn setSoundCntL(self: *Self, value: u8) void {
+pub fn setSound1CntL(self: *Self, value: u8) void {
     const new = io.Sweep{ .raw = value };
 
     if (self.sweep.direction.read() and !new.direction.read()) {
@@ -104,12 +104,12 @@ pub fn setSoundCntL(self: *Self, value: u8) void {
 }
 
 /// NR11, NR12
-pub fn getSoundCntH(self: *const Self) u16 {
+pub fn sound1CntH(self: *const Self) u16 {
     return @as(u16, self.envelope.raw) << 8 | (self.duty.raw & 0xC0);
 }
 
 /// NR11, NR12
-pub fn setSoundCntH(self: *Self, value: u16) void {
+pub fn setSound1CntH(self: *Self, value: u16) void {
     self.setNr11(@truncate(u8, value));
     self.setNr12(@truncate(u8, value >> 8));
 }
@@ -127,12 +127,12 @@ pub fn setNr12(self: *Self, value: u8) void {
 }
 
 /// NR13, NR14
-pub fn getSoundCntX(self: *const Self) u16 {
+pub fn sound1CntX(self: *const Self) u16 {
     return self.freq.raw & 0x4000;
 }
 
 /// NR13, NR14
-pub fn setSoundCntX(self: *Self, fs: *const FrameSequencer, value: u16) void {
+pub fn setSound1CntX(self: *Self, fs: *const FrameSequencer, value: u16) void {
     self.setNr13(@truncate(u8, value));
     self.setNr14(fs, @truncate(u8, value >> 8));
 }

src/core/apu/Wave.zig

@@ -60,24 +60,24 @@ pub fn tick(self: *Self, comptime kind: Tick) void {
 }
 
 /// NR30, NR31, NR32
-pub fn setSoundCnt(self: *Self, value: u32) void {
-    self.setSoundCntL(@truncate(u8, value));
-    self.setSoundCntH(@truncate(u16, value >> 16));
+pub fn setSound3Cnt(self: *Self, value: u32) void {
+    self.setSound3CntL(@truncate(u8, value));
+    self.setSound3CntH(@truncate(u16, value >> 16));
 }
 
 /// NR30
-pub fn setSoundCntL(self: *Self, value: u8) void {
+pub fn setSound3CntL(self: *Self, value: u8) void {
     self.select.raw = value;
     if (!self.select.enabled.read()) self.enabled = false;
 }
 
 /// NR31, NR32
-pub fn getSoundCntH(self: *const Self) u16 {
+pub fn sound3CntH(self: *const Self) u16 {
     return @as(u16, self.length & 0xE0) << 8;
 }
 
 /// NR31, NR32
-pub fn setSoundCntH(self: *Self, value: u16) void {
+pub fn setSound3CntH(self: *Self, value: u16) void {
     self.setNr31(@truncate(u8, value));
     self.vol.raw = (@truncate(u8, value >> 8));
 }
@@ -89,7 +89,7 @@ pub fn setNr31(self: *Self, len: u8) void {
 }
 
 /// NR33, NR34
-pub fn setSoundCntX(self: *Self, fs: *const FrameSequencer, value: u16) void {
+pub fn setSound3CntX(self: *Self, fs: *const FrameSequencer, value: u16) void {
     self.setNr33(@truncate(u8, value));
     self.setNr34(fs, @truncate(u8, value >> 8));
 }