style(scheduler): rename scheduler event handlers

src/core/apu.zig

@@ -373,7 +373,7 @@ pub const Apu = struct {
         return @as(u64, 1) << (15 + @as(u6, cycle));
     }
 
-    pub fn tickFrameSequencer(self: *Self, late: u64) void {
+    pub fn onSequencerTick(self: *Self, late: u64) void {
         self.fs.tick();
 
         switch (self.fs.step) {
@@ -403,7 +403,7 @@ pub const Apu = struct {
         self.ch4.tickEnvelope();
     }
 
-    pub fn handleTimerOverflow(self: *Self, cpu: *Arm7tdmi, tim_id: u3) void {
+    pub fn onDmaAudioSampleRequest(self: *Self, cpu: *Arm7tdmi, tim_id: u3) void {
         if (!self.cnt.apu_enable.read()) return;
 
         if (@boolToInt(self.dma_cnt.chA_timer.read()) == tim_id) {

src/core/apu/Noise.zig

@@ -128,7 +128,7 @@ pub fn setNr44(self: *Self, fs: *const FrameSequencer, byte: u8) void {
     self.cnt = new;
 }
 
-pub fn channelTimerOverflow(self: *Self, late: u64) void {
+pub fn onNoiseEvent(self: *Self, late: u64) void {
     self.lfsr.onLfsrTimerExpire(self.poly, late);
 
     self.sample = 0;

src/core/apu/Tone.zig

@@ -58,7 +58,7 @@ pub fn tickEnvelope(self: *Self) void {
     self.env_dev.tick(self.envelope);
 }
 
-pub fn channelTimerOverflow(self: *Self, late: u64) void {
+pub fn onToneEvent(self: *Self, late: u64) void {
     self.square.onSquareTimerExpire(Self, self.freq, late);
 
     self.sample = 0;

src/core/apu/ToneSweep.zig

@@ -71,7 +71,7 @@ pub fn tickEnvelope(self: *Self) void {
     self.env_dev.tick(self.envelope);
 }
 
-pub fn channelTimerOverflow(self: *Self, late: u64) void {
+pub fn onToneSweepEvent(self: *Self, late: u64) void {
     self.square.onSquareTimerExpire(Self, self.freq, late);
 
     self.sample = 0;

src/core/apu/Wave.zig

@@ -116,7 +116,7 @@ pub fn setNr34(self: *Self, fs: *const FrameSequencer, byte: u8) void {
     self.freq = new;
 }
 
-pub fn channelTimerOverflow(self: *Self, late: u64) void {
+pub fn onWaveEvent(self: *Self, late: u64) void {
     self.wave_dev.onWaveTimerExpire(self.freq, self.select, late);
 
     self.sample = 0;

src/core/bus/gpio.zig

@@ -288,7 +288,7 @@ pub const Clock = struct {
         cpu.sched.push(.RealTimeClock, 1 << 24); // Every Second
     }
 
-    pub fn updateTime(self: *Self, late: u64) void {
+    pub fn onClockUpdate(self: *Self, late: u64) void {
         self.cpu.sched.push(.RealTimeClock, (1 << 24) -| late); // Reschedule
 
         const now = DateTime.now();

src/core/bus/timer.zig

@@ -154,7 +154,7 @@ fn Timer(comptime id: u2) type {
 
             // DMA Sound Things
             if (id == 0 or id == 1) {
-                cpu.bus.apu.handleTimerOverflow(cpu, id);
+                cpu.bus.apu.onDmaAudioSampleRequest(cpu, id);
             }
 
             // Perform Cascade Behaviour

src/core/ppu.zig

@@ -562,7 +562,7 @@ pub const Ppu = struct {
         };
     }
 
-    pub fn handleHDrawEnd(self: *Self, cpu: *Arm7tdmi, late: u64) void {
+    pub fn onHdrawEnd(self: *Self, cpu: *Arm7tdmi, late: u64) void {
         // Transitioning to a Hblank
         if (self.dispstat.hblank_irq.read()) {
             cpu.bus.io.irq.hblank.set();
@@ -578,7 +578,7 @@ pub const Ppu = struct {
         self.sched.push(.HBlank, 68 * 4 -| late);
     }
 
-    pub fn handleHBlankEnd(self: *Self, cpu: *Arm7tdmi, late: u64) void {
+    pub fn onHblankEnd(self: *Self, cpu: *Arm7tdmi, late: u64) void {
         // The End of a Hblank (During Draw or Vblank)
         const old_scanline = self.vcount.scanline.read();
         const scanline = (old_scanline + 1) % 228;

src/core/scheduler.zig

@@ -43,7 +43,7 @@ pub const Scheduler = struct {
                 .Draw => {
                     // The end of a VDraw
                     cpu.bus.ppu.drawScanline();
-                    cpu.bus.ppu.handleHDrawEnd(cpu, late);
+                    cpu.bus.ppu.onHdrawEnd(cpu, late);
                 },
                 .TimerOverflow => |id| {
                     switch (id) {
@@ -55,10 +55,10 @@ pub const Scheduler = struct {
                 },
                 .ApuChannel => |id| {
                     switch (id) {
-                        0 => cpu.bus.apu.ch1.channelTimerOverflow(late),
-                        1 => cpu.bus.apu.ch2.channelTimerOverflow(late),
-                        2 => cpu.bus.apu.ch3.channelTimerOverflow(late),
-                        3 => cpu.bus.apu.ch4.channelTimerOverflow(late),
+                        0 => cpu.bus.apu.ch1.onToneSweepEvent(late),
+                        1 => cpu.bus.apu.ch2.onToneEvent(late),
+                        2 => cpu.bus.apu.ch3.onWaveEvent(late),
+                        3 => cpu.bus.apu.ch4.onNoiseEvent(late),
                     }
                 },
                 .RealTimeClock => {
@@ -66,12 +66,12 @@ pub const Scheduler = struct {
                     if (device.kind != .Rtc or device.ptr == null) return;
 
                     const clock = @ptrCast(*Clock, @alignCast(@alignOf(*Clock), device.ptr.?));
-                    clock.updateTime(late);
+                    clock.onClockUpdate(late);
                 },
-                .FrameSequencer => cpu.bus.apu.tickFrameSequencer(late),
+                .FrameSequencer => cpu.bus.apu.onSequencerTick(late),
                 .SampleAudio => cpu.bus.apu.sampleAudio(late),
-                .HBlank => cpu.bus.ppu.handleHBlankEnd(cpu, late), // The end of a HBlank
-                .VBlank => cpu.bus.ppu.handleHDrawEnd(cpu, late), // The end of a VBlank
+                .HBlank => cpu.bus.ppu.onHblankEnd(cpu, late), // The end of a HBlank
+                .VBlank => cpu.bus.ppu.onHdrawEnd(cpu, late), // The end of a VBlank
             }
         }
     }