diff --git a/processor/index.mjs b/processor/index.mjs
new file mode 100644
index 0000000..e69de29
diff --git a/processor/package.json b/processor/package.json
new file mode 100644
index 0000000..3305855
--- /dev/null
+++ b/processor/package.json
@@ -0,0 +1,10 @@
+{
+	"name": "@og/processor",
+	"type": "module",
+	"main": "index.mjs",
+	"dependencies": {
+		"@og/binary-struct": "file:../shared/bstruct",
+		"@og/utility": "file:../shared/utility",
+		"@og/error-utils": "file:../shared/error-utils"
+	}
+}
\ No newline at end of file
diff --git a/processor/src/logic/board.mjs b/processor/src/logic/board.mjs
new file mode 100644
index 0000000..0620516
--- /dev/null
+++ b/processor/src/logic/board.mjs
@@ -0,0 +1,27 @@
+import { Queue } from '@og/utility';
+
+/** @typedef {import('../shared/player.mjs').Player} Player */
+/** @typedef {import('../shared/team.mjs').Team} Team */
+
+export class PlayerState {
+	/** @type {Player} */
+	id;
+
+	/** @type {Team} */
+	team;
+
+	/** @type {boolean} */
+	is_defeated = false;
+
+	/** @type {Queue} */
+	orders = new Queue();
+
+	constructor(id, team) {
+		this.id = id;
+		this.team = team;
+	}
+};
+
+export class GameBoard {
+	// TODO
+};
diff --git a/processor/src/logic/team.mjs b/processor/src/logic/team.mjs
new file mode 100644
index 0000000..e69de29
diff --git a/processor/src/shared/direction.mjs b/processor/src/shared/direction.mjs
new file mode 100644
index 0000000..986c075
--- /dev/null
+++ b/processor/src/shared/direction.mjs
@@ -0,0 +1,15 @@
+import { BASIC_TYPES } from '@og/binary-struct';
+
+/** @typedef {number} Direction */
+
+export const DIRECTION = {
+	N: 0x00,
+	S: 0x01,
+	W: 0x02,
+	E: 0x03,
+};
+
+export const TYPEDEF_Direction = BASIC_TYPES.u8;
+
+export const DIRECTION_DELTA_X = [ /* TODO */ ];
+export const DIRECTION_DELTA_Y = [ /* TODO */ ];
diff --git a/processor/src/shared/move.mjs b/processor/src/shared/move.mjs
new file mode 100644
index 0000000..1d873a0
--- /dev/null
+++ b/processor/src/shared/move.mjs
@@ -0,0 +1,32 @@
+/** @typedef {import('./player.mjs').Player} Player */
+/** @typedef {import('./direction.mjs').Direction} Direction */
+/** @typedef {import('./pos.mjs').PosT} PosT */
+
+export class PlayerMove {
+	/** @type {Player} */
+	player;
+
+	/** @type {PosT} */
+	x;
+
+	/** @type {PosT} */
+	y;
+
+	/** @type {Direction} */
+	dir;
+
+	/** @type {boolean} */
+	is_half = false;
+
+	isValid() {
+		// TODO
+	}
+
+	get tx() {
+		// TODO
+	}
+
+	get ty() {
+		// TODO
+	}
+};
diff --git a/processor/src/shared/player.mjs b/processor/src/shared/player.mjs
new file mode 100644
index 0000000..85402a1
--- /dev/null
+++ b/processor/src/shared/player.mjs
@@ -0,0 +1,8 @@
+import { BASIC_TYPES } from '@og/binary-struct';
+
+/** @typedef {number} Player */
+
+/** @type {Player} */
+export const NEUTRAL_PLAYER = 0;
+
+export const TYPEDEF_Player = BASIC_TYPES.u8;
diff --git a/processor/src/shared/pos.mjs b/processor/src/shared/pos.mjs
new file mode 100644
index 0000000..861f141
--- /dev/null
+++ b/processor/src/shared/pos.mjs
@@ -0,0 +1,5 @@
+import { BASIC_TYPES } from '@og/binary-struct';
+
+/** @typedef {number} PosT */
+
+export const TYPEDEF_PosT = BASIC_TYPES.u8;
diff --git a/processor/src/shared/team.mjs b/processor/src/shared/team.mjs
new file mode 100644
index 0000000..b5a5da3
--- /dev/null
+++ b/processor/src/shared/team.mjs
@@ -0,0 +1,8 @@
+import { BASIC_TYPES } from '@og/binary-struct';
+
+/** @typedef {number} Team */
+
+/** @type {Team} */
+export const NEUTRAL_TEAM = 0;
+
+export const TYPEDEF_Team = BASIC_TYPES.u8;
diff --git a/processor/src/shared/tile.mjs b/processor/src/shared/tile.mjs
new file mode 100644
index 0000000..20547a0
--- /dev/null
+++ b/processor/src/shared/tile.mjs
@@ -0,0 +1,37 @@
+import { NEUTRAL_PLAYER, TYPEDEF_Player } from './player.mjs';
+import { TYPEDEF_Unit } from './unit.mjs';
+import { BASIC_TYPES } from '@og/binary-struct';
+
+/** @typedef {import('./player.mjs').Player} Player */
+/** @typedef {import('./unit.mjs').Unit} Unit */
+
+/** @typedef {number} TileType */
+
+export const TILE_TYPE = {
+	misty: 0x00,
+	mountain: 0x01,
+	stronghold: 0x02,
+	blank: 0x03,
+	capital: 0x04,
+	swamp: 0x05,
+	isValid: (type) => (0 <= type && type <= 5),
+};
+
+export const TYPEDEF_TileType = BASIC_TYPES.u8;
+
+export class Tile {
+	/** @type {Player} */
+	owner = NEUTRAL_PLAYER;
+
+	/** @type {TileType} */
+	type = TILE_TYPE.misty;
+
+	/** @type {Unit} */
+	unit = 0;
+
+	static typedef = [
+		{ field: 'owner', type: TYPEDEF_Player },
+		{ field: 'type', type: TYPEDEF_TileType },
+		{ field: 'unit', type: TYPEDEF_Unit },
+	];
+};
diff --git a/processor/src/shared/unit.mjs b/processor/src/shared/unit.mjs
new file mode 100644
index 0000000..b7c9dff
--- /dev/null
+++ b/processor/src/shared/unit.mjs
@@ -0,0 +1,5 @@
+import { BASIC_TYPES } from '@og/binary-struct';
+
+/** @typedef {number} Unit */
+
+export const TYPEDEF_Unit = BASIC_TYPES.i32;