fix build on zig 0.14.0-dev.2851+b074fb7dd

.gitignore

@@ -1,2 +1,3 @@
 zig-cache
 zig-out
+.zig-cache

build.zig

@@ -10,10 +10,10 @@ pub fn setup_wasm(b: *std.Build, optimize: std.builtin.Mode) void {
           .cpu_arch = .wasm32,
           .os_tag = .freestanding,
         }),
-        .root_source_file = .{ .path = "src/zpz-wasm.zig" },
+        .root_source_file = b.path("src/zpz-wasm.zig"),
     });
     lib.entry = .disabled;
-    lib.addIncludePath(.{ .path = "./chips/" });
+    lib.addIncludePath(b.path("./chips/"));
     lib.addCSourceFiles(.{ .files = &.{"src/chips-impl.c"} });
     // We need the libc because of the use of #include <string> memset in `chips`
     lib.linkLibC(); // better than linkSystemLibrary("c") for cross-compilation
@@ -51,11 +51,11 @@ pub fn build(b: *std.Build) void {
         .name = "zpz6128",
         // In this case the main source file is merely a path, however, in more
         // complicated build scripts, this could be a generated file.
-        .root_source_file = .{ .path = "src/zpz-native.zig" },
+        .root_source_file = b.path("src/zpz-native.zig"),
         .target = target,
         .optimize = optimize,
     });
-    exe.addIncludePath(.{ .path = "./chips/" });
+    exe.addIncludePath(b.path("./chips/"));
     exe.addCSourceFiles(.{ .files = &.{"src/chips-impl.c"} });
     exe.linkSystemLibrary("SDL2");
     exe.linkLibC(); // better than linkSystemLibrary("c") for cross-compilation
@@ -93,7 +93,7 @@ pub fn build(b: *std.Build) void {
     // Creates a step for unit testing. This only builds the test executable
     // but does not run it.
     const unit_tests = b.addTest(.{
-        .root_source_file = .{ .path = "src/zpz-native.zig" },
+        .root_source_file = b.path("src/zpz-native.zig"),
         .target = target,
         .optimize = optimize,
     });

src/io-adapter.zig

@@ -4,7 +4,7 @@ const chips = @import("chips-decl.zig").chips;
 pub const IOAdapter = struct {
   handle_event_fn: *const fn (*IOAdapter, *chips.cpc_t, *bool, *bool, *bool) void,
   display_fn: *const fn (*IOAdapter, [*]c_uint, usize, usize) anyerror!void,
-  get_timestamp: *const fn (*IOAdapter) u64,
+  get_timestamp_fn: *const fn (*IOAdapter) u64,
 
   pub fn handle_event(adapter: *IOAdapter, cpc: *chips.cpc_t, running: *bool, ctrl: *bool, shift: *bool) void {
     adapter.handle_event_fn(adapter, cpc, running, ctrl, shift);
@@ -15,6 +15,6 @@ pub const IOAdapter = struct {
   }
 
   pub fn get_timestamp(adapter: *IOAdapter) u64 {
-    try adapter.get_timestamp(adapter);
+    try adapter.get_timestamp_fn(adapter);
   }
 };

src/zpz-native.zig

@@ -107,7 +107,7 @@ pub fn main() anyerror!void {
   const frame_time: usize = 16;
 
   while (!emulator.stopped) {
-    const then: usize = adapter.interface.get_timestamp(&adapter.interface);
+    const then: usize = adapter.interface.get_timestamp_fn(&adapter.interface);
     adapter.interface.handle_event(&emulator.cpc, &emulator.stopped, &emulator.ctrl, &emulator.shift);
     _ = chips.cpc_exec(&emulator.cpc, frame_time * 1000); // This in CPC micro-seconds
 
@@ -116,7 +116,7 @@ pub fn main() anyerror!void {
     // The micro seconds parameter provided to cpc_exec is in CPC time.
     // 16ms in CPC time is, of course, way quicker than in real time.
     // So we need to wait a little.
-    const now = adapter.interface.get_timestamp(&adapter.interface);
+    const now = adapter.interface.get_timestamp_fn(&adapter.interface);
     const delay: usize = frame_time - @min(now - then, frame_time);
     if (delay > 0) {
       std.time.sleep(delay * 1000000); // in nanoseconds