diff --git a/jscompile.c b/jscompile.c
index 9698605..00aeccd 100644
--- a/jscompile.c
+++ b/jscompile.c
@@ -186,20 +186,20 @@ static void emitfunction(JF, js_Function *fun)
 static void emitnumber(JF, double num)
 {
 	if (num == 0) {
-		emit(J, F, OP_NUMBER_0);
+		emit(J, F, OP_INTEGER);
+		emitarg(J, F, 32768);
 		if (signbit(num))
 			emit(J, F, OP_NEG);
-	} else if (num == 1) {
-		emit(J, F, OP_NUMBER_1);
-	} else if (num == (js_Instruction)num) {
-		emit(J, F, OP_NUMBER_POS);
-		emitarg(J, F, (js_Instruction)num);
-	} else if (num < 0 && -num == (js_Instruction)(-num)) {
-		emit(J, F, OP_NUMBER_NEG);
-		emitarg(J, F, (js_Instruction)(-num));
 	} else {
-		emit(J, F, OP_NUMBER);
-		emitarg(J, F, addnumber(J, F, num));
+		double nv = num + 32768;
+		js_Instruction iv = nv;
+		if (nv == iv) {
+			emit(J, F, OP_INTEGER);
+			emitarg(J, F, iv);
+		} else {
+			emit(J, F, OP_NUMBER);
+			emitarg(J, F, addnumber(J, F, num));
+		}
 	}
 }
 
diff --git a/jscompile.h b/jscompile.h
index 83926c1..ae5d6ef 100644
--- a/jscompile.h
+++ b/jscompile.h
@@ -10,11 +10,7 @@ enum js_OpCode
 	OP_ROT3,	/* A B C -- C A B */
 	OP_ROT4,	/* A B C D -- D A B C */
 
-	OP_NUMBER_0,	/* -- 0 */
-	OP_NUMBER_1,	/* -- 1 */
-	OP_NUMBER_POS,	/* -K- K */
-	OP_NUMBER_NEG,	/* -K- -K */
-
+	OP_INTEGER,	/* -K- (number-32768) */
 	OP_NUMBER,	/* -N- <number> */
 	OP_STRING,	/* -S- <string> */
 	OP_CLOSURE,	/* -F- <closure> */
diff --git a/jsdump.c b/jsdump.c
index 5c87781..e5b8dbc 100644
--- a/jsdump.c
+++ b/jsdump.c
@@ -797,6 +797,9 @@ void jsC_dumpfunction(js_State *J, js_Function *F)
 		ps(opname[c]);
 
 		switch (c) {
+		case OP_INTEGER:
+			printf(" %d", (*p++) - 32768);
+			break;
 		case OP_NUMBER:
 			printf(" %.9g", F->numtab[*p++]);
 			break;
@@ -830,8 +833,6 @@ void jsC_dumpfunction(js_State *J, js_Function *F)
 		case OP_GETLOCAL:
 		case OP_SETLOCAL:
 		case OP_DELLOCAL:
-		case OP_NUMBER_POS:
-		case OP_NUMBER_NEG:
 		case OP_CALL:
 		case OP_NEW:
 		case OP_JUMP:
diff --git a/jsrun.c b/jsrun.c
index 6474a7f..21c071b 100644
--- a/jsrun.c
+++ b/jsrun.c
@@ -1315,10 +1315,7 @@ static void jsR_run(js_State *J, js_Function *F)
 		case OP_ROT3: js_rot3(J); break;
 		case OP_ROT4: js_rot4(J); break;
 
-		case OP_NUMBER_0: js_pushnumber(J, 0); break;
-		case OP_NUMBER_1: js_pushnumber(J, 1); break;
-		case OP_NUMBER_POS: js_pushnumber(J, *pc++); break;
-		case OP_NUMBER_NEG: js_pushnumber(J, -(*pc++)); break;
+		case OP_INTEGER: js_pushnumber(J, *pc++ - 32768); break;
 		case OP_NUMBER: js_pushnumber(J, NT[*pc++]); break;
 		case OP_STRING: js_pushliteral(J, ST[*pc++]); break;
 
diff --git a/opnames.h b/opnames.h
index 82e97ed..5d4c168 100644
--- a/opnames.h
+++ b/opnames.h
@@ -4,10 +4,7 @@
 "rot2",
 "rot3",
 "rot4",
-"number_0",
-"number_1",
-"number_pos",
-"number_neg",
+"integer",
 "number",
 "string",
 "closure",