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rom arg

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Jeeves 2024-04-21 07:04:15 -06:00
parent 4e97fd872e
commit 0e5ca8a574
1 changed files with 26 additions and 13 deletions
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39
src/main.zig
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@ -1,21 +1,34 @@
const std = @import("std"); const std = @import("std");
pub fn main() !void { pub fn main() !void {
// var gpa = std.heap.GeneralPurposeAllocator(.{}){}; var gpa = std.heap.GeneralPurposeAllocator(.{}){};
// defer _ = gpa.deinit(); defer _ = gpa.deinit();
// const allocator = gpa.allocator(); const allocator = gpa.allocator();
const mem: [0xFFFF]u8 = undefined; var args = try std.process.argsWithAllocator(allocator);
const ws: [0xFF]u8 = undefined; defer args.deinit();
const rs: [0xFF]u8 = undefined; _ = args.next();
var uxn = Uxn{ const rom_path = args.next();
.mem = .{ .m = mem },
.ws = .{ .s = ws },
.rs = .{ .s = rs },
.pc = 0x100,
};
while (true) uxn.loop(); if (rom_path) |path| {
var file = try std.fs.cwd().openFile(path, .{});
defer file.close();
const rom = try file.readToEndAlloc(allocator, 0xFFFF);
defer allocator.free(rom);
const mem: [0xFFFF]u8 = undefined;
const ws: [0xFF]u8 = undefined;
const rs: [0xFF]u8 = undefined;
var uxn = Uxn{
.mem = .{ .m = mem },
.ws = .{ .s = ws },
.rs = .{ .s = rs },
.pc = 0x100,
};
@memcpy(uxn.mem.m[0x100 .. 0x100 + rom.len], rom);
while (true) uxn.loop();
} else return error.NoRom;
} }
pub const Uxn = struct { pub const Uxn = struct {