Zig64

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Overview
Comment:Handle Zig panics
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA3-256: 88241cf9c2f8358427d8c7ebdb1a0805459ea796fc6430b701a408a21cf39ed0
User & Date: ryno 2025-01-30 04:35:47
Context
2025-01-30
10:29
Put literally anything on the screen check-in: d5c698fc12 user: ryno tags: trunk
04:35
Handle Zig panics check-in: 88241cf9c2 user: ryno tags: trunk
04:33
Fix SC64 USB print (i.e. actually wait for previous USB writes to finish before starting another one), and document / packed-struct-inate some more fields check-in: 7871e478a6 user: ryno tags: trunk
Changes
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Changes to src/main.zig.

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// BEGIN EVERYTHING ELSE

/// N64 ROM entry point.  IPL3 calls this function after initializing
/// RDRAM and loading our code into it.
export fn __start() linksection(".boot") noreturn {
    Debug.init();
    Debug.print("All your Nintendo 64 are belong to us.\n");

    const dmem_test_pat: [16]u8 align(4) = .{
        0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef,
        0xde, 0xad, 0xbe, 0xef, 0xca, 0xfe, 0xba, 0xbe
    };
    PI.writeBytes(dmem, &dmem_test_pat);
    while (true) {}
}












// END EVERYTHING ELSE








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// BEGIN EVERYTHING ELSE

/// N64 ROM entry point.  IPL3 calls this function after initializing
/// RDRAM and loading our code into it.
export fn __start() linksection(".boot") noreturn {
    Debug.init();
    Debug.print("All your Nintendo 64 are belong to us.\n");
    Debug.print("This is another message from Zig.\n");
    const dmem_test_pat: [16]u8 align(4) = .{
        0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef,
        0xde, 0xad, 0xbe, 0xef, 0xca, 0xfe, 0xba, 0xbe
    };
    PI.writeBytes(dmem, &dmem_test_pat);
    while (true) {}
}

pub fn panic(
    msg: []const u8,
    _: ?*std.builtin.StackTrace,
    _: ?usize
) noreturn {
    Debug.print("PANIC: ");
    Debug.print(msg);
    Debug.print("\n");
    while (true) {}
}

// END EVERYTHING ELSE