jeeves/uzn
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

aaaaa

Browse source
This commit is contained in:
Jeeves 2024-04-20 14:22:05 -06:00
parent 31de9c94f4
commit ea17044d73
2 changed files with 211 additions and 12 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

78
flake.lock generated Normal file
View file

@ -0,0 +1,78 @@
{
"nodes": {
"flake-utils": {
"inputs": {
"systems": "systems"
},
"locked": {
"lastModified": 1705309234,
"narHash": "sha256-uNRRNRKmJyCRC/8y1RqBkqWBLM034y4qN7EprSdmgyA=",
"owner": "numtide",
"repo": "flake-utils",
"rev": "1ef2e671c3b0c19053962c07dbda38332dcebf26",
"type": "github"
},
"original": {
"owner": "numtide",
"repo": "flake-utils",
"type": "github"
}
},
"nixpkgs": {
"locked": {
"lastModified": 1706063522,
"narHash": "sha256-o1m9en7ovSjyktXgX3n/6GJEwG06WYa/9Mfx5hTTf5g=",
"owner": "nixos",
"repo": "nixpkgs",
"rev": "95c1439b205d507f3cb88aae76e02cd6a01ac504",
"type": "github"
},
"original": {
"owner": "nixos",
"repo": "nixpkgs",
"type": "github"
}
},
"root": {
"inputs": {
"zig2nix": "zig2nix"
}
},
"systems": {
"locked": {
"lastModified": 1681028828,
"narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
"owner": "nix-systems",
"repo": "default",
"rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
"type": "github"
},
"original": {
"owner": "nix-systems",
"repo": "default",
"type": "github"
}
},
"zig2nix": {
"inputs": {
"flake-utils": "flake-utils",
"nixpkgs": "nixpkgs"
},
"locked": {
"lastModified": 1713576181,
"narHash": "sha256-vYvot66I7+58YjWaQldcZfNh4H2Mj2eE+PpYTjncBac=",
"owner": "Cloudef",
"repo": "zig2nix",
"rev": "59edca8316d1c395ac05474489b8ea9f26ebd53c",
"type": "github"
},
"original": {
"owner": "Cloudef",
"repo": "zig2nix",
"type": "github"
}
}
},
"root": "root",
"version": 7
}

145
src/main.zig
View file

@ -7,32 +7,32 @@ pub fn main() !void {
var uxn = Uxn{
.mem = try allocator.alloc(u8, 0xFFFF),
.ws = try allocator.alloc(u8, 0xFF),
.rs = try allocator.alloc(u8, 0xFF),
.wsp = 0,
.rsp = 0,
.ws = .{
.s = try allocator.alloc(u8, 0xFF),
.sp = 0,
},
.rs = .{
.s = try allocator.alloc(u8, 0xFF),
.sp = 0,
},
.pc = 0x0100,
};
defer allocator.free(uxn.mem);
defer allocator.free(uxn.ws);
defer allocator.free(uxn.rs);
defer allocator.free(uxn.ws.s);
defer allocator.free(uxn.rs.s);
while (true) uxn.loop();
}
pub const Uxn = struct {
mem: [0xFFFF]u8,
// ws: [0xFF]u8,
// rs: [0xFF]u8,
// wsp: u8,
// rsp: u8,
ws: Stack,
rs: Stack,
pc: u16,
const Stack = struct {
s: *[0xFF]u8,
sp: *u8,
s: [0xFF]u8,
sp: u8,
pub fn peek(self: *Stack, comptime T: type) T {
return switch (T) {
@ -555,3 +555,124 @@ pub const Uxn = struct {
stack.push(T, (a >> right) << left);
}
};
test "uxnasm" {
const rom = [_]u8{
0xa0, 0x01, 0x07, 0x80, 0x10, 0x37, 0x00, 0x80, 0x12, 0x16, 0x06, 0x20, 0x00, 0x05, 0x02, 0x60,
0x00, 0x65, 0x00, 0x60, 0x00, 0x01, 0x00, 0x80, 0x20, 0x8a, 0x0c, 0x04, 0x02, 0x80, 0x20, 0x07,
0x80, 0xfb, 0x13, 0x26, 0xa0, 0x20, 0x20, 0x28, 0x20, 0x00, 0x42, 0x80, 0x20, 0x09, 0x20, 0x00,
0x1c, 0x06, 0x80, 0x5b, 0x08, 0x20, 0x00, 0x1a, 0x06, 0x80, 0x5d, 0x08, 0x20, 0x00, 0x13, 0x06,
0x80, 0x28, 0x08, 0x20, 0x00, 0x29, 0x06, 0x80, 0x29, 0x08, 0x20, 0x00, 0x22, 0x80, 0x01, 0x20,
0x00, 0x02, 0x02, 0x6c, 0x80, 0x20, 0x07, 0x80, 0xfb, 0x13, 0x26, 0xa0, 0x20, 0x20, 0x28, 0x20,
0x00, 0x0b, 0x02, 0x80, 0x00, 0xa0, 0x08, 0x6b, 0xb5, 0x21, 0x80, 0xf9, 0x33, 0x22, 0x6c, 0x80,
0x28, 0x19, 0xa0, 0x01, 0x4e, 0x15, 0x6c, 0xa0, 0x01, 0x66, 0x34, 0x21, 0x26, 0xa0, 0x04, 0x1a,
0x35, 0xa0, 0x04, 0x51, 0x35, 0xa0, 0x08, 0x6b, 0x60, 0x04, 0x6d, 0x80, 0x01, 0x60, 0x00, 0x91,
0x20, 0x00, 0x85, 0x80, 0x00, 0x60, 0x00, 0x89, 0x20, 0x00, 0x7d, 0xa0, 0x80, 0x00, 0x80, 0x62,
0x30, 0x21, 0x38, 0xa0, 0x81, 0x00, 0x94, 0x80, 0x18, 0x17, 0x21, 0xa9, 0x20, 0xff, 0xf7, 0x22,
0x22, 0xa0, 0x04, 0x1a, 0x34, 0xa0, 0x04, 0x51, 0x34, 0xa1, 0x21, 0x14, 0x20, 0x00, 0x26, 0xa0,
0x00, 0x03, 0x38, 0x94, 0x80, 0x41, 0x19, 0x80, 0x1a, 0x0b, 0x20, 0x00, 0x18, 0x26, 0xa0, 0x06,
0x5e, 0x60, 0x03, 0xd1, 0x20, 0x00, 0x0e, 0xa0, 0x06, 0x52, 0x60, 0x04, 0x3d, 0x26, 0x60, 0x04,
0x3e, 0xa0, 0x0a, 0x19, 0x17, 0x60, 0x03, 0xb1, 0x21, 0xaa, 0x20, 0xff, 0xcc, 0x22, 0x22, 0xa0,
0x06, 0x64, 0x60, 0x04, 0x25, 0x80, 0x62, 0x30, 0xa0, 0x00, 0xff, 0x39, 0x60, 0x04, 0x26, 0xa0,
0x06, 0x74, 0x60, 0x04, 0x15, 0xa0, 0x04, 0x34, 0x34, 0x60, 0x04, 0x19, 0xa0, 0x06, 0x80, 0x60,
0x04, 0x08, 0xa0, 0x06, 0x7c, 0x60, 0x04, 0x02, 0xa0, 0x80, 0x66, 0x10, 0x1d, 0x80, 0x0f, 0x17,
0x6c, 0x80, 0x67, 0x11, 0xa0, 0x01, 0x00, 0x60, 0x01, 0x24, 0x80, 0x00, 0xa0, 0x05, 0x6a, 0x15,
0xa0, 0x06, 0x5e, 0x60, 0x01, 0x94, 0xa0, 0x08, 0x6b, 0x26, 0x80, 0x64, 0x31, 0x26, 0x60, 0x00,
0x13, 0x80, 0x66, 0x10, 0x20, 0x00, 0x08, 0x60, 0x03, 0x4f, 0x21, 0x94, 0x20, 0xff, 0xea, 0x22,
0x80, 0x66, 0x10, 0x6c, 0x94, 0x80, 0x08, 0x13, 0xa0, 0x07, 0x6b, 0xa0, 0x07, 0x3b, 0x94, 0x80,
0x00, 0x09, 0x20, 0x00, 0x04, 0x23, 0x21, 0x34, 0x2c, 0xa0, 0x00, 0x03, 0x38, 0xaa, 0x20, 0xff,
0xed, 0x22, 0x22, 0x60, 0x02, 0x71, 0x20, 0x00, 0x8f, 0x60, 0x02, 0x81, 0x20, 0x00, 0x6e, 0x40,
0x00, 0x4e, 0x21, 0x60, 0x01, 0xf3, 0x40, 0x00, 0xc5, 0x21, 0x60, 0x01, 0xec, 0x80, 0x60, 0x30,
0x38, 0x40, 0x00, 0xba, 0x21, 0x40, 0x01, 0x32, 0x21, 0x60, 0x01, 0x0c, 0x40, 0x01, 0x5a, 0x80,
0x80, 0x60, 0x00, 0x9b, 0x21, 0x60, 0x02, 0x1b, 0x40, 0x00, 0x94, 0x80, 0x80, 0x60, 0x00, 0x8f,
0x21, 0x60, 0x01, 0xce, 0x03, 0x40, 0x00, 0x87, 0x80, 0xa0, 0x60, 0x00, 0x82, 0x21, 0x60, 0x01,
0xc1, 0x40, 0x00, 0x77, 0x21, 0x80, 0x20, 0x40, 0x00, 0x65, 0x21, 0x80, 0x40, 0x40, 0x00, 0x5f,
0x80, 0x60, 0x40, 0x00, 0x5a, 0x21, 0x40, 0x00, 0x1a, 0x21, 0x40, 0x00, 0x0a, 0x22, 0x40, 0x02,
0xa1, 0x6c, 0x94, 0x60, 0x00, 0x59, 0x21, 0x94, 0x20, 0xff, 0xf7, 0x22, 0x6c, 0x60, 0x02, 0x1e,
0x40, 0x00, 0x4c, 0x26, 0x60, 0x02, 0xa7, 0x03, 0x06, 0x80, 0x04, 0x08, 0x80, 0x50, 0x1f, 0x80,
0x80, 0x1d, 0x60, 0x00, 0x3a, 0x40, 0x00, 0x05, 0x26, 0x60, 0x02, 0x92, 0x03, 0x06, 0x80, 0x02,
0x09, 0x20, 0x00, 0x08, 0x02, 0x60, 0x02, 0xca, 0x03, 0x40, 0x00, 0x23, 0x80, 0x04, 0x09, 0x20,
0x00, 0x06, 0x60, 0x02, 0xbd, 0x40, 0x00, 0x13, 0x22, 0xa0, 0x06, 0x9d, 0x40, 0x00, 0x23, 0x60,
0x00, 0x0d, 0x60, 0x01, 0x4d, 0x80, 0x60, 0x30, 0x21, 0x21, 0x39, 0x04, 0x60, 0x00, 0x00, 0x06,
0x80, 0x60, 0x30, 0xa1, 0x2f, 0xa0, 0x80, 0x00, 0x38, 0x15, 0x60, 0x00, 0x31, 0x6f, 0x80, 0x60,
0x31, 0x6c, 0xa0, 0x06, 0x88, 0x60, 0x02, 0xc2, 0x60, 0x02, 0xbf, 0xa0, 0x20, 0x19, 0x17, 0x80,
0x64, 0x30, 0x60, 0x02, 0xba, 0xa0, 0x06, 0x6f, 0x60, 0x02, 0xaf, 0x80, 0x00, 0x30, 0x60, 0x02,
0xae, 0xa0, 0x2e, 0x19, 0x17, 0xa0, 0x0a, 0x19, 0x17, 0xa0, 0x01, 0x66, 0x11, 0x6c, 0x20, 0x00,
0x01, 0x6c, 0x80, 0x67, 0x10, 0x20, 0x00, 0x01, 0x6c, 0x80, 0x60, 0x30, 0x26, 0x07, 0x20, 0x00,
0x06, 0xa0, 0x06, 0xce, 0x60, 0xff, 0xbb, 0xa0, 0x80, 0x00, 0x2b, 0x20, 0x00, 0x06, 0xa0, 0x06,
0xa4, 0x60, 0xff, 0xae, 0x80, 0x62, 0x31, 0x6c, 0x26, 0x60, 0x01, 0xf2, 0xa0, 0x00, 0x30, 0x60,
0x01, 0xec, 0x38, 0xa0, 0x00, 0x30, 0x2b, 0x20, 0x00, 0x06, 0xa0, 0x06, 0xb5, 0x40, 0xff, 0x92,
0xa0, 0x00, 0x00, 0x60, 0x02, 0x45, 0xa0, 0x00, 0x30, 0x6c, 0x26, 0xc0, 0x00, 0x94, 0x80, 0x2f,
0x08, 0x20, 0x00, 0x09, 0x94, 0xcf, 0x11, 0x41, 0x21, 0x94, 0x20, 0xff, 0xf0, 0x22, 0x80, 0x00,
0x4f, 0x11, 0xa0, 0x00, 0x00, 0xa0, 0x00, 0x30, 0x60, 0x02, 0x20, 0xa0, 0x2f, 0x00, 0xa0, 0x00,
0x30, 0x60, 0x01, 0xa5, 0xa1, 0x80, 0xc9, 0x33, 0x35, 0x80, 0x67, 0x10, 0x20, 0x00, 0x02, 0x22,
0x6c, 0x60, 0x00, 0xe3, 0x20, 0x00, 0x34, 0x60, 0x00, 0xf3, 0x20, 0x00, 0x2e, 0x26, 0x60, 0x00,
0x38, 0x21, 0x1d, 0x20, 0x00, 0x2c, 0x80, 0x60, 0x30, 0xa0, 0x00, 0x00, 0xaf, 0x61, 0x61, 0x35,
0x80, 0x00, 0xef, 0x61, 0x15, 0x26, 0xef, 0x60, 0x01, 0xe1, 0x60, 0x01, 0x71, 0x6f, 0x38, 0x21,
0x80, 0xe7, 0x33, 0xa0, 0x00, 0x00, 0x21, 0x80, 0xfa, 0x33, 0x6c, 0x22, 0xa0, 0x06, 0xc7, 0x40,
0xff, 0x10, 0x22, 0xa0, 0x06, 0x93, 0x40, 0xff, 0x09, 0x80, 0x11, 0x33, 0xa0, 0x04, 0x1a, 0x34,
0xa0, 0x00, 0x00, 0xa8, 0x20, 0x00, 0x16, 0xa0, 0x00, 0x03, 0x38, 0x26, 0xa0, 0x00, 0x00, 0x60,
0x01, 0x43, 0x20, 0x00, 0x0e, 0x60, 0x01, 0x31, 0x21, 0xaa, 0x20, 0xff, 0xe6, 0x22, 0x22, 0xa0,
0xff, 0xff, 0x6c, 0xa0, 0x00, 0x03, 0x39, 0x23, 0x6c, 0x60, 0x00, 0x6b, 0x20, 0x01, 0x63, 0x40,
0x00, 0x11, 0x94, 0x80, 0x7b, 0x09, 0x20, 0x00, 0x04, 0x22, 0x60, 0x00, 0xdc, 0x80, 0x67, 0x10,
0x20, 0x00, 0x29, 0x94, 0x80, 0x26, 0x09, 0x20, 0x00, 0x04, 0x21, 0x60, 0xff, 0x0a, 0x94, 0x80,
0x2f, 0x09, 0x20, 0x00, 0x04, 0x21, 0x60, 0xfe, 0xff, 0x60, 0xff, 0x9d, 0xa1, 0xa0, 0x00, 0x00,
0x28, 0x20, 0x00, 0x09, 0xa1, 0x21, 0x94, 0x01, 0x05, 0x05, 0x15, 0x34, 0x6c, 0xa0, 0x06, 0xab,
0x40, 0xfe, 0x8f, 0x60, 0xff, 0xbc, 0x80, 0x60, 0x30, 0x21, 0x21, 0x39, 0x26, 0xa0, 0x00, 0x80,
0x38, 0x02, 0x20, 0x00, 0x02, 0x03, 0x6c, 0x80, 0x67, 0x10, 0x20, 0x00, 0x06, 0xa0, 0x06, 0xbe,
0x60, 0xfe, 0x6f, 0x22, 0x80, 0xff, 0x6c, 0x26, 0x94, 0x60, 0x00, 0xde, 0x01, 0x20, 0x00, 0x04,
0x22, 0x80, 0x00, 0x6c, 0x21, 0x94, 0x20, 0xff, 0xef, 0x22, 0x80, 0x01, 0x6c, 0x26, 0x60, 0x00,
0x0d, 0x20, 0x00, 0x07, 0x26, 0xa0, 0x07, 0x38, 0x40, 0x00, 0xb0, 0x80, 0x01, 0x6c, 0x26, 0x80,
0x0e, 0x33, 0xa0, 0x20, 0x00, 0x80, 0x00, 0x07, 0x80, 0x03, 0x1a, 0xa0, 0x06, 0xd8, 0x38, 0xa0,
0x00, 0x00, 0x60, 0x00, 0x96, 0x20, 0x00, 0x0a, 0x01, 0x8a, 0x20, 0xff, 0xe8, 0x22, 0x22, 0x80,
0x00, 0x6c, 0x03, 0x06, 0x80, 0x00, 0x08, 0x80, 0x70, 0x1f, 0x1d, 0x0f, 0xa0, 0x00, 0x03, 0x38,
0x94, 0x20, 0x00, 0x03, 0x22, 0x4f, 0x6c, 0x94, 0x80, 0x32, 0x09, 0x20, 0x00, 0x03, 0xc0, 0x20,
0x5d, 0x94, 0x80, 0x6b, 0x09, 0x20, 0x00, 0x03, 0xc0, 0x80, 0x5d, 0x94, 0x80, 0x72, 0x09, 0x20,
0x00, 0x03, 0xc0, 0x40, 0x5d, 0x21, 0x40, 0xff, 0xd7, 0x80, 0x00, 0x81, 0x80, 0xfb, 0x13, 0x06,
0xa0, 0x07, 0x6b, 0xa1, 0x80, 0xfa, 0x33, 0x15, 0x80, 0x21, 0x18, 0x80, 0x18, 0x13, 0xa0, 0x05,
0x94, 0x6c, 0x80, 0xec, 0x32, 0xa0, 0x00, 0x01, 0x39, 0x94, 0x60, 0xff, 0xeb, 0x60, 0xfe, 0x69,
0x80, 0xde, 0x33, 0x6c, 0xce, 0xbb, 0x00, 0x00, 0x21, 0x94, 0x20, 0xff, 0xfb, 0x6c, 0x26, 0x60,
0xff, 0xf7, 0x24, 0x39, 0x6c, 0x2f, 0x94, 0x20, 0x00, 0x05, 0x14, 0x54, 0x4f, 0x08, 0x6c, 0x94,
0xd4, 0x4f, 0x09, 0x20, 0xff, 0xf4, 0x21, 0x61, 0x40, 0xff, 0xeb, 0x2f, 0xd4, 0x94, 0x4f, 0x09,
0x20, 0x00, 0x02, 0x61, 0x21, 0x74, 0x34, 0x6f, 0x28, 0x6c, 0x80, 0x30, 0x19, 0x06, 0x80, 0x0a,
0x0b, 0x20, 0x00, 0x0d, 0x80, 0x27, 0x19, 0x06, 0x80, 0x10, 0x0b, 0x20, 0x00, 0x03, 0x02, 0x80,
0xff, 0x6c, 0xe0, 0x00, 0x00, 0xc0, 0x40, 0x7f, 0x94, 0x60, 0xff, 0xde, 0xc0, 0x00, 0x0f, 0x78,
0x21, 0x94, 0x20, 0xff, 0xf0, 0x22, 0x6f, 0x6c, 0x80, 0x00, 0x05, 0x05, 0x94, 0x80, 0x20, 0x0a,
0x20, 0x00, 0x01, 0x95, 0x21, 0x94, 0x20, 0xff, 0xf3, 0x15, 0x6c, 0x2f, 0x94, 0x80, 0x00, 0xef,
0x35, 0x61, 0x21, 0x94, 0x20, 0xff, 0xf5, 0x22, 0x62, 0x6c, 0x94, 0x80, 0x19, 0x17, 0x21, 0x94,
0x20, 0xff, 0xf7, 0x22, 0x6c, 0xa0, 0x27, 0x10, 0xe0, 0x00, 0xfb, 0xbb, 0xa0, 0x00, 0x0a, 0xbb,
0x3a, 0x39, 0x44, 0x88, 0x07, 0xcf, 0x08, 0x1c, 0x20, 0x00, 0x08, 0x06, 0x80, 0x30, 0x18, 0x80,
0x19, 0x17, 0x41, 0x22, 0xa0, 0x00, 0x0a, 0x3b, 0x44, 0x41, 0xcf, 0x20, 0xff, 0xdd, 0x62, 0x22,
0x22, 0x6c, 0x2d, 0x2d, 0x20, 0x55, 0x6e, 0x75, 0x73, 0x65, 0x64, 0x3a, 0x20, 0x00, 0x52, 0x45,
0x53, 0x45, 0x54, 0x00, 0x41, 0x73, 0x73, 0x65, 0x6d, 0x62, 0x6c, 0x65, 0x64, 0x20, 0x00, 0x20,
0x69, 0x6e, 0x20, 0x00, 0x20, 0x62, 0x79, 0x74, 0x65, 0x73, 0x28, 0x00, 0x29, 0x2e, 0x0a, 0x00,
0x20, 0x6c, 0x61, 0x62, 0x65, 0x6c, 0x73, 0x00, 0x21, 0x21, 0x20, 0x45, 0x72, 0x72, 0x6f, 0x72,
0x3a, 0x20, 0x00, 0x44, 0x75, 0x70, 0x6c, 0x69, 0x63, 0x61, 0x74, 0x65, 0x00, 0x4e, 0x75, 0x6d,
0x62, 0x65, 0x72, 0x00, 0x4c, 0x65, 0x6e, 0x67, 0x74, 0x68, 0x00, 0x52, 0x65, 0x66, 0x65, 0x72,
0x65, 0x6e, 0x63, 0x65, 0x00, 0x53, 0x75, 0x62, 0x6c, 0x61, 0x62, 0x65, 0x6c, 0x00, 0x44, 0x69,
0x73, 0x74, 0x61, 0x6e, 0x63, 0x65, 0x00, 0x53, 0x79, 0x6d, 0x62, 0x6f, 0x6c, 0x00, 0x5a, 0x65,
0x72, 0x6f, 0x2d, 0x70, 0x61, 0x67, 0x65, 0x00, 0x4c, 0x49, 0x54, 0x49, 0x4e, 0x43, 0x50, 0x4f,
0x50, 0x4e, 0x49, 0x50, 0x53, 0x57, 0x50, 0x52, 0x4f, 0x54, 0x44, 0x55, 0x50, 0x4f, 0x56, 0x52,
0x45, 0x51, 0x55, 0x4e, 0x45, 0x51, 0x47, 0x54, 0x48, 0x4c, 0x54, 0x48, 0x4a, 0x4d, 0x50, 0x4a,
0x43, 0x4e, 0x4a, 0x53, 0x52, 0x53, 0x54, 0x48, 0x4c, 0x44, 0x5a, 0x53, 0x54, 0x5a, 0x4c, 0x44,
0x52, 0x53, 0x54, 0x52, 0x4c, 0x44, 0x41, 0x53, 0x54, 0x41, 0x44, 0x45, 0x49, 0x44, 0x45, 0x4f,
0x41, 0x44, 0x44, 0x53, 0x55, 0x42, 0x4d, 0x55, 0x4c, 0x44, 0x49, 0x56, 0x41, 0x4e, 0x44, 0x4f,
0x52, 0x41, 0x45, 0x4f, 0x52, 0x53, 0x46, 0x54, 0x42, 0x52, 0x4b, 0x7c, 0x02, 0x82, 0x24, 0x02,
0x89, 0x40, 0x02, 0x94, 0x26, 0x02, 0x98, 0x23, 0x02, 0xd5, 0x7d, 0x02, 0xdd, 0x2c, 0x02, 0x9f,
0x5f, 0x02, 0xa4, 0x2e, 0x02, 0xab, 0x2d, 0x02, 0xb0, 0x3b, 0x02, 0xb8, 0x3d, 0x02, 0xbd, 0x3f,
0x02, 0xc4, 0x21, 0x02, 0xca, 0x22, 0x02, 0xd9, 0x7e, 0x02, 0xe1,
};
const mem: [0xFFFF]u8 = undefined;
const ws: [0xFF]u8 = undefined;
const rs: [0xFF]u8 = undefined;
var uxn = Uxn{
.mem = mem,
.ws = .{ .s = ws, .sp = 0 },
.rs = .{ .s = rs, .sp = 0 },
.pc = 0x100,
};
@memcpy(uxn.mem[0x100 .. 0x100 + rom.len], &rom);
while (true) uxn.loop();
}