feat: upgrade to zig v0.15.1

note: emu crashes for unknown reason
This commit is contained in:
2025-10-12 18:10:12 -05:00
parent 6cacdc7180
commit bd02f625a5
22 changed files with 1083 additions and 5597 deletions

View File

@@ -1,8 +1,9 @@
const std = @import("std");
const SDL = @import("sdl2");
const io = @import("bus/io.zig");
const util = @import("../util.zig");
const c = @import("../lib.zig").c;
const LinearFifo = @import("../lib/fifo.zig").LinearFifo;
const Arm7tdmi = @import("arm32").Arm7tdmi;
const Bus = @import("Bus.zig");
const Scheduler = @import("scheduler.zig").Scheduler;
@@ -11,7 +12,7 @@ const Tone = @import("apu/Tone.zig");
const Wave = @import("apu/Wave.zig");
const Noise = @import("apu/Noise.zig");
const SoundFifo = std.fifo.LinearFifo(u8, .{ .Static = 0x20 });
const SoundFifo = LinearFifo(u8, .{ .static = 0x20 });
const getHalf = util.getHalf;
const setHalf = util.setHalf;
@@ -246,7 +247,7 @@ pub const Apu = struct {
sampling_cycle: u2,
stream: *SDL.SDL_AudioStream,
stream: *c.SDL_AudioStream,
sched: *Scheduler,
fs: FrameSequencer,
@@ -271,8 +272,8 @@ pub const Apu = struct {
.bias = .{ .raw = 0x0200 },
.sampling_cycle = 0b00,
.stream = SDL.SDL_NewAudioStream(SDL.AUDIO_U16, 2, 1 << 15, host_format, 2, host_rate).?,
.sched = sched,
.stream = undefined, // FIXME: bad practice
.capacitor = 0,
.fs = FrameSequencer.init(),
@@ -459,21 +460,33 @@ pub const Apu = struct {
if (self.sampling_cycle != self.bias.sampling_cycle.read()) self.replaceSDLResampler();
_ = SDL.SDL_AudioStreamPut(self.stream, &[2]u16{ ext_left, ext_right }, 2 * @sizeOf(u16));
const ret = c.SDL_PutAudioStreamData(self.stream, &[2]i16{ @bitCast(ext_left ^ 0x8000), @bitCast(ext_right ^ 0x8000) }, 2 * @sizeOf(i16));
if (!ret) @panic("TODO: Failed to put i16s into SDL Audio Queue");
}
fn replaceSDLResampler(self: *Self) void {
@setCold(true);
const sample_rate = Self.sampleRate(self.bias.sampling_cycle.read());
log.info("Sample Rate changed from {}Hz to {}Hz", .{ Self.sampleRate(self.sampling_cycle), sample_rate });
@branchHint(.cold);
_ = self;
// Sampling Cycle (Sample Rate) changed, Craete a new SDL Audio Resampler
// FIXME: Replace SDL's Audio Resampler with either a custom or more reliable one
const old_stream = self.stream;
defer SDL.SDL_FreeAudioStream(old_stream);
@panic("TODO: Implement Multiple Sample Rates...");
self.sampling_cycle = self.bias.sampling_cycle.read();
self.stream = SDL.SDL_NewAudioStream(SDL.AUDIO_U16, 2, @intCast(sample_rate), host_format, 2, host_rate).?;
// const sample_rate = Self.sampleRate(self.bias.sampling_cycle.read());
// log.info("Sample Rate changed from {}Hz to {}Hz", .{ Self.sampleRate(self.sampling_cycle), sample_rate });
// // Sampling Cycle (Sample Rate) changed, Craete a new SDL Audio Resampler
// // FIXME: Replace SDL's Audio Resampler with either a custom or more reliable one
// const old_stream = self.stream;
// defer c.SDL_DestroyAudioStream(old_stream);
// self.sampling_cycle = self.bias.sampling_cycle.read();
// var desired: c.SDL_AudioSpec = std.mem.zeroes(c.SDL_AudioSpec);
// desired.format = c.SDL_AUDIO_S16;
// desired.channels = 2;
// desired.freq = @intCast(sample_rate);
// const new_stream = c.SDL_OpenAudioDeviceStream(c.SDL_AUDIO_DEVICE_DEFAULT_PLAYBACK, &desired, null, null) orelse @panic("TODO: Failed to replace SDL Audio Stream");
// self.stream = new_stream;
}
fn interval(self: *const Self) u64 {
@@ -569,7 +582,7 @@ pub fn DmaSound(comptime kind: DmaSoundKind) type {
}
fn enable(self: *Self) void {
@setCold(true);
@branchHint(.cold);
self.enabled = true;
}