diff --git a/fixed.js b/fixed.js
index ec39bee..2946dd1 100644
--- a/fixed.js
+++ b/fixed.js
@@ -4,18 +4,19 @@ let bits = 16;
 // max Mandelbrot zx/zy addition range prior to checking distance
 let inputRange = 4;
 
-// Room to hold power up to -12/+4 for 16-bit mandelbrot
-let shift = 4;
-let base = 2 ** (bits - shift);
-
-//let reduction = 4;
 let reduction = 0;
 let roundOffset = (2 ** (reduction - 1)) + 1;
+
+// Room to hold power up to -12/+4 for 16-bit mandelbrot
+let shift = 5;
+let base = 2 ** (bits - shift);
+
+
 let entries = 2 ** (bits - reduction);
 let bytes = Math.ceil(bits / 8) * entries;
 
 // try to keep all but the last few bits semi-accurate
-let epsilonBits = 1 ;
+let epsilonBits = 1;
 let epsilon = 2 ** epsilonBits;
 
 export function toFixed(float) {
@@ -147,8 +148,6 @@ deltaCount = 0;
 console.log('done');
 
 
-console.log(`size of enloggen table: ${entries} entries, ${bytes} bytes`);
-console.log(`size of empower table: ${entries * 2} entries, ${bytes * 2} bytes`);
 
 let m = 0;
 for (let i = 0; i < enloggen.length; i++) {
@@ -156,4 +155,7 @@ for (let i = 0; i < enloggen.length; i++) {
 }
 console.log(`max enloggen entry is ${m}`);
 
-*/
\ No newline at end of file
+*/
+
+console.log(`size of enloggen table: ${entries} entries, ${bytes} bytes`);
+console.log(`size of empower table: ${entries * 2} entries, ${bytes * 2} bytes`);
diff --git a/sim.js b/sim.js
index 1050860..bc83348 100644
--- a/sim.js
+++ b/sim.js
@@ -1,5 +1,13 @@
-import {toFixed, toFloat, mul} from './fixed.js';
+import {toFixed, mul} from './fixed.js';
 
+let toFixedLog = toFixed;
+
+function toFixed16(val) {
+    // 4.12
+    return Math.round(val * (2 ** 12))
+}
+
+let four16 = toFixed16(4);
 
 function imul(a, b) {
     return Math.imul(a, b) >> 12;
@@ -25,7 +33,7 @@ function logmul(a, b) {
     return product;
 }
 
-let four = toFixed(4);
+let fourLog = toFixedLog(4);
 
 let max = 256;
 let width = 256;
@@ -146,8 +154,8 @@ function run() {
     });
     
     setup('imul', (cx, cy) => {
-        cx = toFixed(cx);
-        cy = toFixed(cy);
+        cx = toFixed16(cx);
+        cy = toFixed16(cy);
         let zx = 0;
         let zy = 0;
         let zx_2 = 0;
@@ -159,7 +167,7 @@ function run() {
             zx_2 = imul(zx, zx);
             zy_2 = imul(zy, zy);
             zx_zy = imul(zx, zy);
-            if (zx_2 + zy_2 >= four) {
+            if (zx_2 + zy_2 >= four16) {
                 return i;
             }
         }
@@ -169,8 +177,8 @@ function run() {
     });
     
     setup('log', (cx, cy) => {
-        cx = toFixed(cx);
-        cy = toFixed(cy);
+        cx = toFixedLog(cx);
+        cy = toFixedLog(cy);
         let zx = 0;
         let zy = 0;
         let zx_2 = 0;
@@ -182,7 +190,7 @@ function run() {
             zx_2 = logmul(zx, zx);
             zy_2 = logmul(zy, zy);
             zx_zy = logmul(zx, zy);
-            if (zx_2 + zy_2 >= four) {
+            if (zx_2 + zy_2 >= fourLog) {
                 return i;
             }
         }