diff --git a/html/mandelbrot-fixed.mu.html b/html/mandelbrot-fixed.mu.html
index aa464470..3b786876 100644
--- a/html/mandelbrot-fixed.mu.html
+++ b/html/mandelbrot-fixed.mu.html
@@ -171,20 +171,20 @@ if ('onhashchange' in window) {
112 var a/eax: int <- copy 0
113 var b/ecx: int <- copy 0
114 a, b <- screen-size screen
-115 var width-f/esi: int <- copy a
-116 width-f <- shift-left 0xb/log2-font-width-and-fixed-precision
-117 var height-f/edi: int <- copy b
-118 height-f <- shift-left 0xc/log2-font-height-and-fixed-precision
+115 var width/esi: int <- copy a
+116 width <- shift-left 3/log2-font-width
+117 var height/edi: int <- copy b
+118 height <- shift-left 4/log2-font-height
119 var y/ecx: int <- copy 0
120 {
-121 compare y, height-f
+121 compare y, height
122 break-if->=
-123 var imaginary-f/ebx: int <- viewport-to-imaginary-f y, width-f, height-f
+123 var imaginary-f/ebx: int <- viewport-to-imaginary-f y, width, height
124 var x/eax: int <- copy 0
125 {
-126 compare x, width-f
+126 compare x, width
127 break-if->=
-128 var real-f/edx: int <- viewport-to-real-f x, width-f
+128 var real-f/edx: int <- viewport-to-real-f x, width
129 var iterations/esi: int <- mandelbrot-iterations-for-point real-f, imaginary-f, 0x400/max
130 compare iterations, 0x400/max
131 {
@@ -261,26 +261,32 @@ if ('onhashchange' in window) {
202
203
204
-205 fn viewport-to-real-f x: int, width-f: int -> _/edx: int {
+205 fn viewport-to-real-f x: int, width: int -> _/edx: int {
206
207 var result-f/eax: int <- int-to-fixed x
-208 var half-width-f/ecx: int <- copy width-f
-209 half-width-f <- shift-right-signed 1/log2
-210 result-f <- subtract half-width-f
-211 result-f <- shift-left 2/log4
-212 result-f <- divide-fixed result-f, width-f
-213 return result-f
-214 }
-215
-216 fn viewport-to-imaginary-f y: int, width-f: int, height-f: int -> _/ebx: int {
-217
-218 var result-f/eax: int <- int-to-fixed y
-219 shift-right-signed height-f, 1/log2
-220 result-f <- subtract height-f
-221 result-f <- shift-left 2/log4
-222 result-f <- divide-fixed result-f, width-f
-223 return result-f
-224 }
+208 var width-f/ecx: int <- copy width
+209 width-f <- shift-left 8/fixed-precision
+210 var half-width-f/edx: int <- copy width-f
+211 half-width-f <- shift-right-signed 1/log2
+212 result-f <- subtract half-width-f
+213 result-f <- shift-left 2/log4
+214 result-f <- divide-fixed result-f, width-f
+215 return result-f
+216 }
+217
+218 fn viewport-to-imaginary-f y: int, width: int, height: int -> _/ebx: int {
+219
+220 var result-f/eax: int <- int-to-fixed y
+221 var half-height-f/ecx: int <- copy height
+222 half-height-f <- shift-left 8/fixed-precision
+223 half-height-f <- shift-right-signed 1/log2
+224 result-f <- subtract half-height-f
+225 result-f <- shift-left 2/log4
+226 var width-f/ecx: int <- copy width
+227 width-f <- shift-left 8/fixed-precision
+228 result-f <- divide-fixed result-f, width-f
+229 return result-f
+230 }