Encode data values in assembler, not parser

asm.js

@@ -578,7 +578,7 @@ class Parser {
         } else {
             if (value > 0xff)
                 console.error(`WARNING: Value ${token} is truncated`);
-            action.value = [ value & 0xff ];
+            action.value = value;
         }
         return action;
     }
@@ -595,12 +595,7 @@ class Parser {
         } else {
             if (value > 0xffffffff)
                 console.error(`WARNING: Value ${token} is truncated`);
-            action.value = [
-                value & 0xff,
-                (value >> 8) & 0xff,
-                (value >> 16) & 0xff,
-                (value >> 24) & 0xff,
-            ];
+            action.value = value;
         }
         return action;
     }
@@ -614,8 +609,8 @@ class Parser {
                 `ERROR: Unexpected token ${token}, expected string`);
             return;
         }
-        const value = this.encoder.encode(token.string);
-        const action = { type: Action.DATA, size: value.length, value };
+        const bytes = this.encoder.encode(token.string);
+        const action = { type: Action.DATA, size: bytes.length, bytes };
         return action;
     }
 
@@ -1010,17 +1005,26 @@ export class Assembler {
 
     action_data(action) {
         const data = this.data.at(-1).data;
+		let bytes;
+		if (action.bytes != undefined) {
+			bytes = action.bytes;
+		} else {
 			let value = action.value;
 			if (value == undefined) {
-            const raw = this.lookup_def(action.symbol);
-            if (raw == undefined) {
+				if (action.symbol == undefined) {
+					console.error("ERROR: Invalid data action", action);
+					return;
+				}
+				value = this.lookup_def(action.symbol);
+				if (value == undefined) {
 					console.error(
 						`ERROR: Unable to resolve symbol ${action.symbol}`);
 					return;
 				}
-            value = this.le(raw, action.size);
 			}
-        data.push(...value);
+			bytes = this.le(value, action.size);
+		}
+        data.push(...bytes);
         this.pos.addr += action.size;
     }