diff options
| -rw-r--r-- | html/mandelbrot-fixed.mu.html | 214 | ||||
| -rw-r--r-- | html/mandelbrot.mu.html | 245 | ||||
| -rw-r--r-- | mandelbrot-fixed.mu | 58 | ||||
| -rw-r--r-- | mandelbrot.mu | 20 |
4 files changed, 254 insertions, 283 deletions
diff --git a/html/mandelbrot-fixed.mu.html b/html/mandelbrot-fixed.mu.html index 6f87111e..3a09bf53 100644 --- a/html/mandelbrot-fixed.mu.html +++ b/html/mandelbrot-fixed.mu.html @@ -170,118 +170,112 @@ if ('onhashchange' in window) { <span id="L111" class="LineNr">111 </span> width-f <span class="Special"><-</span> shift-left <span class="Constant">0xb</span>/log2-font-width-and-fixed-precision <span class="muComment"># 3 + 8 = 11</span> <span id="L112" class="LineNr">112 </span> <span class="PreProc">var</span> height-f/<span class="Constant">edi</span>: int <span class="Special"><-</span> copy b <span id="L113" class="LineNr">113 </span> height-f <span class="Special"><-</span> shift-left <span class="Constant">0xc</span>/log2-font-height-and-fixed-precision <span class="muComment"># 4 + 8 = 12</span> -<span id="L114" class="LineNr">114 </span> <span class="muComment"># it might make sense to keep x and y as regular ints</span> -<span id="L115" class="LineNr">115 </span> <span class="muComment"># treating them as fixed-point for demonstration purposes</span> -<span id="L116" class="LineNr">116 </span> <span class="PreProc">var</span> y-f/<span class="Constant">ecx</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span> -<span id="L117" class="LineNr">117 </span> <span class="Delimiter">{</span> -<span id="L118" class="LineNr">118 </span> compare y-f, height-f -<span id="L119" class="LineNr">119 </span> <span class="PreProc">break-if->=</span> -<span id="L120" class="LineNr">120 </span> <span class="PreProc">var</span> imaginary-f/<span class="Constant">ebx</span>: int <span class="Special"><-</span> <a href='mandelbrot-fixed.mu.html#L217'>mandelbrot-min-y</a> y-f, width-f, height-f -<span id="L121" class="LineNr">121 </span> <span class="PreProc">var</span> x-f/<span class="Constant">eax</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span> -<span id="L122" class="LineNr">122 </span> <span class="Delimiter">{</span> -<span id="L123" class="LineNr">123 </span> compare x-f, width-f -<span id="L124" class="LineNr">124 </span> <span class="PreProc">break-if->=</span> -<span id="L125" class="LineNr">125 </span> <span class="PreProc">var</span> real-f/<span class="Constant">edx</span>: int <span class="Special"><-</span> <a href='mandelbrot-fixed.mu.html#L206'>mandelbrot-min-x</a> x-f, width-f -<span id="L126" class="LineNr">126 </span> <span class="PreProc">var</span> iterations/<span class="Constant">esi</span>: int <span class="Special"><-</span> <a href='mandelbrot-fixed.mu.html#L153'>mandelbrot-pixel</a> real-f, imaginary-f, <span class="Constant">0x400</span>/max -<span id="L127" class="LineNr">127 </span> <span class="Delimiter">{</span> -<span id="L128" class="LineNr">128 </span> <span class="PreProc">var</span> x: int -<span id="L129" class="LineNr">129 </span> <span class="PreProc">var</span> y: int -<span id="L130" class="LineNr">130 </span> <span class="PreProc">var</span> tmp/<span class="Constant">eax</span>: int <span class="Special"><-</span> <a href='mandelbrot-fixed.mu.html#L25'>fixed-to-int</a> x-f -<span id="L131" class="LineNr">131 </span> copy-to x, tmp -<span id="L132" class="LineNr">132 </span> tmp <span class="Special"><-</span> <a href='mandelbrot-fixed.mu.html#L25'>fixed-to-int</a> y-f -<span id="L133" class="LineNr">133 </span> copy-to y, tmp -<span id="L134" class="LineNr">134 </span> compare iterations, <span class="Constant">0x400</span>/max -<span id="L135" class="LineNr">135 </span> <span class="Delimiter">{</span> -<span id="L136" class="LineNr">136 </span> <span class="PreProc">break-if->=</span> -<span id="L137" class="LineNr">137 </span> <a href='500fake-screen.mu.html#L462'>pixel</a> <a href='500fake-screen.mu.html#L14'>screen</a>, x, y, <span class="Constant">0xf</span>/white -<span id="L138" class="LineNr">138 </span> <span class="Delimiter">}</span> -<span id="L139" class="LineNr">139 </span> compare iterations, <span class="Constant">0x400</span>/max -<span id="L140" class="LineNr">140 </span> <span class="Delimiter">{</span> -<span id="L141" class="LineNr">141 </span> <span class="PreProc">break-if-<</span> -<span id="L142" class="LineNr">142 </span> <a href='500fake-screen.mu.html#L462'>pixel</a> <a href='500fake-screen.mu.html#L14'>screen</a>, x, y, <span class="Constant">0</span>/black -<span id="L143" class="LineNr">143 </span> <span class="Delimiter">}</span> -<span id="L144" class="LineNr">144 </span> <span class="Delimiter">}</span> -<span id="L145" class="LineNr">145 </span> x-f <span class="Special"><-</span> add <span class="Constant">0x100</span>/<span class="Constant">1</span> -<span id="L146" class="LineNr">146 </span> <span class="PreProc">loop</span> -<span id="L147" class="LineNr">147 </span> <span class="Delimiter">}</span> -<span id="L148" class="LineNr">148 </span> y-f <span class="Special"><-</span> add <span class="Constant">0x100</span>/<span class="Constant">1</span> -<span id="L149" class="LineNr">149 </span> <span class="PreProc">loop</span> -<span id="L150" class="LineNr">150 </span> <span class="Delimiter">}</span> -<span id="L151" class="LineNr">151 </span><span class="Delimiter">}</span> -<span id="L152" class="LineNr">152 </span> -<span id="L153" class="LineNr">153 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='mandelbrot-fixed.mu.html#L153'>mandelbrot-pixel</a></span> real-f: int, imaginary-f: int, max: int<span class="PreProc"> -> </span>_/<span class="Constant">esi</span>: int <span class="Delimiter">{</span> -<span id="L154" class="LineNr">154 </span> <span class="PreProc">var</span> x-f/<span class="Constant">esi</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span> -<span id="L155" class="LineNr">155 </span> <span class="PreProc">var</span> y-f/<span class="Constant">edi</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span> -<span id="L156" class="LineNr">156 </span> <span class="PreProc">var</span> iterations/<span class="Constant">ecx</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span> -<span id="L157" class="LineNr">157 </span> <span class="Delimiter">{</span> -<span id="L158" class="LineNr">158 </span> <span class="PreProc">var</span> done?/<span class="Constant">eax</span>: boolean <span class="Special"><-</span> <a href='mandelbrot-fixed.mu.html#L173'>mandelbrot-done?</a> x-f, y-f -<span id="L159" class="LineNr">159 </span> compare done?, <span class="Constant">0</span>/false -<span id="L160" class="LineNr">160 </span> <span class="PreProc">break-if-!=</span> -<span id="L161" class="LineNr">161 </span> compare iterations, max -<span id="L162" class="LineNr">162 </span> <span class="PreProc">break-if->=</span> -<span id="L163" class="LineNr">163 </span> <span class="PreProc">var</span> x2-f/<span class="Constant">edx</span>: int <span class="Special"><-</span> <a href='mandelbrot-fixed.mu.html#L187'>mandelbrot-x</a> x-f, y-f, real-f -<span id="L164" class="LineNr">164 </span> <span class="PreProc">var</span> y2-f/<span class="Constant">ebx</span>: int <span class="Special"><-</span> <a href='mandelbrot-fixed.mu.html#L197'>mandelbrot-y</a> x-f, y-f, imaginary-f -<span id="L165" class="LineNr">165 </span> x-f <span class="Special"><-</span> copy x2-f -<span id="L166" class="LineNr">166 </span> y-f <span class="Special"><-</span> copy y2-f -<span id="L167" class="LineNr">167 </span> iterations <span class="Special"><-</span> increment -<span id="L168" class="LineNr">168 </span> <span class="PreProc">loop</span> -<span id="L169" class="LineNr">169 </span> <span class="Delimiter">}</span> -<span id="L170" class="LineNr">170 </span> <span class="PreProc">return</span> iterations -<span id="L171" class="LineNr">171 </span><span class="Delimiter">}</span> -<span id="L172" class="LineNr">172 </span> -<span id="L173" class="LineNr">173 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='mandelbrot-fixed.mu.html#L173'>mandelbrot-done?</a></span> x-f: int, y-f: int<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span> -<span id="L174" class="LineNr">174 </span> <span class="muComment"># x*x + y*y > 4</span> -<span id="L175" class="LineNr">175 </span> <span class="PreProc">var</span> tmp-f/<span class="Constant">eax</span>: int <span class="Special"><-</span> <a href='mandelbrot-fixed.mu.html#L79'>multiply-fixed</a> x-f, x-f -<span id="L176" class="LineNr">176 </span> <span class="PreProc">var</span> result-f/<span class="Constant">ecx</span>: int <span class="Special"><-</span> copy tmp-f -<span id="L177" class="LineNr">177 </span> tmp-f <span class="Special"><-</span> <a href='mandelbrot-fixed.mu.html#L79'>multiply-fixed</a> y-f, y-f -<span id="L178" class="LineNr">178 </span> result-f <span class="Special"><-</span> add tmp-f -<span id="L179" class="LineNr">179 </span> compare result-f, <span class="Constant">0x400</span>/<span class="Constant">4</span> -<span id="L180" class="LineNr">180 </span> <span class="Delimiter">{</span> -<span id="L181" class="LineNr">181 </span> <span class="PreProc">break-if-></span> -<span id="L182" class="LineNr">182 </span> <span class="PreProc">return</span> <span class="Constant">0</span>/false -<span id="L183" class="LineNr">183 </span> <span class="Delimiter">}</span> -<span id="L184" class="LineNr">184 </span> <span class="PreProc">return</span> <span class="Constant">1</span>/true +<span id="L114" class="LineNr">114 </span> <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span> +<span id="L115" class="LineNr">115 </span> <span class="Delimiter">{</span> +<span id="L116" class="LineNr">116 </span> compare y, height-f +<span id="L117" class="LineNr">117 </span> <span class="PreProc">break-if->=</span> +<span id="L118" class="LineNr">118 </span> <span class="PreProc">var</span> imaginary-f/<span class="Constant">ebx</span>: int <span class="Special"><-</span> <a href='mandelbrot-fixed.mu.html#L211'>viewport-to-imaginary-f</a> y, width-f, height-f +<span id="L119" class="LineNr">119 </span> <span class="PreProc">var</span> x/<span class="Constant">eax</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span> +<span id="L120" class="LineNr">120 </span> <span class="Delimiter">{</span> +<span id="L121" class="LineNr">121 </span> compare x, width-f +<span id="L122" class="LineNr">122 </span> <span class="PreProc">break-if->=</span> +<span id="L123" class="LineNr">123 </span> <span class="PreProc">var</span> real-f/<span class="Constant">edx</span>: int <span class="Special"><-</span> <a href='mandelbrot-fixed.mu.html#L200'>viewport-to-real-f</a> x, width-f +<span id="L124" class="LineNr">124 </span> <span class="PreProc">var</span> iterations/<span class="Constant">esi</span>: int <span class="Special"><-</span> <a href='mandelbrot-fixed.mu.html#L143'>mandelbrot-iterations-for-point</a> real-f, imaginary-f, <span class="Constant">0x400</span>/max +<span id="L125" class="LineNr">125 </span> compare iterations, <span class="Constant">0x400</span>/max +<span id="L126" class="LineNr">126 </span> <span class="Delimiter">{</span> +<span id="L127" class="LineNr">127 </span> <span class="PreProc">break-if->=</span> +<span id="L128" class="LineNr">128 </span> <a href='500fake-screen.mu.html#L462'>pixel</a> <a href='500fake-screen.mu.html#L14'>screen</a>, x, y, <span class="Constant">0xf</span>/white +<span id="L129" class="LineNr">129 </span> <span class="Delimiter">}</span> +<span id="L130" class="LineNr">130 </span> compare iterations, <span class="Constant">0x400</span>/max +<span id="L131" class="LineNr">131 </span> <span class="Delimiter">{</span> +<span id="L132" class="LineNr">132 </span> <span class="PreProc">break-if-<</span> +<span id="L133" class="LineNr">133 </span> <a href='500fake-screen.mu.html#L462'>pixel</a> <a href='500fake-screen.mu.html#L14'>screen</a>, x, y, <span class="Constant">0</span>/black +<span id="L134" class="LineNr">134 </span> <span class="Delimiter">}</span> +<span id="L135" class="LineNr">135 </span> x <span class="Special"><-</span> increment +<span id="L136" class="LineNr">136 </span> <span class="PreProc">loop</span> +<span id="L137" class="LineNr">137 </span> <span class="Delimiter">}</span> +<span id="L138" class="LineNr">138 </span> y <span class="Special"><-</span> increment +<span id="L139" class="LineNr">139 </span> <span class="PreProc">loop</span> +<span id="L140" class="LineNr">140 </span> <span class="Delimiter">}</span> +<span id="L141" class="LineNr">141 </span><span class="Delimiter">}</span> +<span id="L142" class="LineNr">142 </span> +<span id="L143" class="LineNr">143 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='mandelbrot-fixed.mu.html#L143'>mandelbrot-iterations-for-point</a></span> real-f: int, imaginary-f: int, max: int<span class="PreProc"> -> </span>_/<span class="Constant">esi</span>: int <span class="Delimiter">{</span> +<span id="L144" class="LineNr">144 </span> <span class="PreProc">var</span> x-f/<span class="Constant">esi</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span> +<span id="L145" class="LineNr">145 </span> <span class="PreProc">var</span> y-f/<span class="Constant">edi</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span> +<span id="L146" class="LineNr">146 </span> <span class="PreProc">var</span> iterations/<span class="Constant">ecx</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span> +<span id="L147" class="LineNr">147 </span> <span class="Delimiter">{</span> +<span id="L148" class="LineNr">148 </span> <span class="PreProc">var</span> done?/<span class="Constant">eax</span>: boolean <span class="Special"><-</span> <a href='mandelbrot-fixed.mu.html#L163'>mandelbrot-done?</a> x-f, y-f +<span id="L149" class="LineNr">149 </span> compare done?, <span class="Constant">0</span>/false +<span id="L150" class="LineNr">150 </span> <span class="PreProc">break-if-!=</span> +<span id="L151" class="LineNr">151 </span> compare iterations, max +<span id="L152" class="LineNr">152 </span> <span class="PreProc">break-if->=</span> +<span id="L153" class="LineNr">153 </span> <span class="PreProc">var</span> x2-f/<span class="Constant">edx</span>: int <span class="Special"><-</span> <a href='mandelbrot-fixed.mu.html#L177'>mandelbrot-x</a> x-f, y-f, real-f +<span id="L154" class="LineNr">154 </span> <span class="PreProc">var</span> y2-f/<span class="Constant">ebx</span>: int <span class="Special"><-</span> <a href='mandelbrot-fixed.mu.html#L187'>mandelbrot-y</a> x-f, y-f, imaginary-f +<span id="L155" class="LineNr">155 </span> x-f <span class="Special"><-</span> copy x2-f +<span id="L156" class="LineNr">156 </span> y-f <span class="Special"><-</span> copy y2-f +<span id="L157" class="LineNr">157 </span> iterations <span class="Special"><-</span> increment +<span id="L158" class="LineNr">158 </span> <span class="PreProc">loop</span> +<span id="L159" class="LineNr">159 </span> <span class="Delimiter">}</span> +<span id="L160" class="LineNr">160 </span> <span class="PreProc">return</span> iterations +<span id="L161" class="LineNr">161 </span><span class="Delimiter">}</span> +<span id="L162" class="LineNr">162 </span> +<span id="L163" class="LineNr">163 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='mandelbrot-fixed.mu.html#L163'>mandelbrot-done?</a></span> x-f: int, y-f: int<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span> +<span id="L164" class="LineNr">164 </span> <span class="muComment"># x*x + y*y > 4</span> +<span id="L165" class="LineNr">165 </span> <span class="PreProc">var</span> tmp-f/<span class="Constant">eax</span>: int <span class="Special"><-</span> <a href='mandelbrot-fixed.mu.html#L79'>multiply-fixed</a> x-f, x-f +<span id="L166" class="LineNr">166 </span> <span class="PreProc">var</span> result-f/<span class="Constant">ecx</span>: int <span class="Special"><-</span> copy tmp-f +<span id="L167" class="LineNr">167 </span> tmp-f <span class="Special"><-</span> <a href='mandelbrot-fixed.mu.html#L79'>multiply-fixed</a> y-f, y-f +<span id="L168" class="LineNr">168 </span> result-f <span class="Special"><-</span> add tmp-f +<span id="L169" class="LineNr">169 </span> compare result-f, <span class="Constant">0x400</span>/<span class="Constant">4</span> +<span id="L170" class="LineNr">170 </span> <span class="Delimiter">{</span> +<span id="L171" class="LineNr">171 </span> <span class="PreProc">break-if-></span> +<span id="L172" class="LineNr">172 </span> <span class="PreProc">return</span> <span class="Constant">0</span>/false +<span id="L173" class="LineNr">173 </span> <span class="Delimiter">}</span> +<span id="L174" class="LineNr">174 </span> <span class="PreProc">return</span> <span class="Constant">1</span>/true +<span id="L175" class="LineNr">175 </span><span class="Delimiter">}</span> +<span id="L176" class="LineNr">176 </span> +<span id="L177" class="LineNr">177 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='mandelbrot-fixed.mu.html#L177'>mandelbrot-x</a></span> x-f: int, y-f: int, real-f: int<span class="PreProc"> -> </span>_/<span class="Constant">edx</span>: int <span class="Delimiter">{</span> +<span id="L178" class="LineNr">178 </span> <span class="muComment"># x*x - y*y + real</span> +<span id="L179" class="LineNr">179 </span> <span class="PreProc">var</span> tmp-f/<span class="Constant">eax</span>: int <span class="Special"><-</span> <a href='mandelbrot-fixed.mu.html#L79'>multiply-fixed</a> x-f, x-f +<span id="L180" class="LineNr">180 </span> <span class="PreProc">var</span> result-f/<span class="Constant">ecx</span>: int <span class="Special"><-</span> copy tmp-f +<span id="L181" class="LineNr">181 </span> tmp-f <span class="Special"><-</span> <a href='mandelbrot-fixed.mu.html#L79'>multiply-fixed</a> y-f, y-f +<span id="L182" class="LineNr">182 </span> result-f <span class="Special"><-</span> subtract tmp-f +<span id="L183" class="LineNr">183 </span> result-f <span class="Special"><-</span> add real-f +<span id="L184" class="LineNr">184 </span> <span class="PreProc">return</span> result-f <span id="L185" class="LineNr">185 </span><span class="Delimiter">}</span> <span id="L186" class="LineNr">186 </span> -<span id="L187" class="LineNr">187 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='mandelbrot-fixed.mu.html#L187'>mandelbrot-x</a></span> x-f: int, y-f: int, real-f: int<span class="PreProc"> -> </span>_/<span class="Constant">edx</span>: int <span class="Delimiter">{</span> -<span id="L188" class="LineNr">188 </span> <span class="muComment"># x*x - y*y + real</span> -<span id="L189" class="LineNr">189 </span> <span class="PreProc">var</span> tmp-f/<span class="Constant">eax</span>: int <span class="Special"><-</span> <a href='mandelbrot-fixed.mu.html#L79'>multiply-fixed</a> x-f, x-f -<span id="L190" class="LineNr">190 </span> <span class="PreProc">var</span> result-f/<span class="Constant">ecx</span>: int <span class="Special"><-</span> copy tmp-f -<span id="L191" class="LineNr">191 </span> tmp-f <span class="Special"><-</span> <a href='mandelbrot-fixed.mu.html#L79'>multiply-fixed</a> y-f, y-f -<span id="L192" class="LineNr">192 </span> result-f <span class="Special"><-</span> subtract tmp-f -<span id="L193" class="LineNr">193 </span> result-f <span class="Special"><-</span> add real-f -<span id="L194" class="LineNr">194 </span> <span class="PreProc">return</span> result-f -<span id="L195" class="LineNr">195 </span><span class="Delimiter">}</span> -<span id="L196" class="LineNr">196 </span> -<span id="L197" class="LineNr">197 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='mandelbrot-fixed.mu.html#L197'>mandelbrot-y</a></span> x-f: int, y-f: int, imaginary-f: int<span class="PreProc"> -> </span>_/<span class="Constant">ebx</span>: int <span class="Delimiter">{</span> -<span id="L198" class="LineNr">198 </span> <span class="muComment"># 2*x*y + imaginary</span> -<span id="L199" class="LineNr">199 </span> <span class="PreProc">var</span> result-f/<span class="Constant">eax</span>: int <span class="Special"><-</span> copy x-f -<span id="L200" class="LineNr">200 </span> result-f <span class="Special"><-</span> shift-left <span class="Constant">1</span>/log2 -<span id="L201" class="LineNr">201 </span> result-f <span class="Special"><-</span> <a href='mandelbrot-fixed.mu.html#L79'>multiply-fixed</a> result-f, y-f -<span id="L202" class="LineNr">202 </span> result-f <span class="Special"><-</span> add imaginary-f -<span id="L203" class="LineNr">203 </span> <span class="PreProc">return</span> result-f -<span id="L204" class="LineNr">204 </span><span class="Delimiter">}</span> -<span id="L205" class="LineNr">205 </span> -<span id="L206" class="LineNr">206 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='mandelbrot-fixed.mu.html#L206'>mandelbrot-min-x</a></span> x-f: int, width-f: int<span class="PreProc"> -> </span>_/<span class="Constant">edx</span>: int <span class="Delimiter">{</span> -<span id="L207" class="LineNr">207 </span> <span class="muComment"># (x - width/2)*4/width</span> -<span id="L208" class="LineNr">208 </span> <span class="PreProc">var</span> result-f/<span class="Constant">eax</span>: int <span class="Special"><-</span> copy x-f -<span id="L209" class="LineNr">209 </span> <span class="PreProc">var</span> half-width-f/<span class="Constant">ecx</span>: int <span class="Special"><-</span> copy width-f -<span id="L210" class="LineNr">210 </span> half-width-f <span class="Special"><-</span> shift-right-signed <span class="Constant">1</span>/log2 -<span id="L211" class="LineNr">211 </span> result-f <span class="Special"><-</span> subtract half-width-f -<span id="L212" class="LineNr">212 </span> result-f <span class="Special"><-</span> shift-left <span class="Constant">2</span>/log4 -<span id="L213" class="LineNr">213 </span> result-f <span class="Special"><-</span> <a href='mandelbrot-fixed.mu.html#L90'>divide-fixed</a> result-f, width-f -<span id="L214" class="LineNr">214 </span> <span class="PreProc">return</span> result-f -<span id="L215" class="LineNr">215 </span><span class="Delimiter">}</span> -<span id="L216" class="LineNr">216 </span> -<span id="L217" class="LineNr">217 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='mandelbrot-fixed.mu.html#L217'>mandelbrot-min-y</a></span> y-f: int, width-f: int, height-f: int<span class="PreProc"> -> </span>_/<span class="Constant">ebx</span>: int <span class="Delimiter">{</span> -<span id="L218" class="LineNr">218 </span> <span class="muComment"># (y - height/2)*4/width</span> -<span id="L219" class="LineNr">219 </span> <span class="PreProc">var</span> result-f/<span class="Constant">eax</span>: int <span class="Special"><-</span> copy y-f -<span id="L220" class="LineNr">220 </span> shift-right-signed height-f, <span class="Constant">1</span>/log2 -<span id="L221" class="LineNr">221 </span> result-f <span class="Special"><-</span> subtract height-f -<span id="L222" class="LineNr">222 </span> result-f <span class="Special"><-</span> shift-left <span class="Constant">2</span>/log4 -<span id="L223" class="LineNr">223 </span> result-f <span class="Special"><-</span> <a href='mandelbrot-fixed.mu.html#L90'>divide-fixed</a> result-f, width-f -<span id="L224" class="LineNr">224 </span> <span class="PreProc">return</span> result-f -<span id="L225" class="LineNr">225 </span><span class="Delimiter">}</span> +<span id="L187" class="LineNr">187 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='mandelbrot-fixed.mu.html#L187'>mandelbrot-y</a></span> x-f: int, y-f: int, imaginary-f: int<span class="PreProc"> -> </span>_/<span class="Constant">ebx</span>: int <span class="Delimiter">{</span> +<span id="L188" class="LineNr">188 </span> <span class="muComment"># 2*x*y + imaginary</span> +<span id="L189" class="LineNr">189 </span> <span class="PreProc">var</span> result-f/<span class="Constant">eax</span>: int <span class="Special"><-</span> copy x-f +<span id="L190" class="LineNr">190 </span> result-f <span class="Special"><-</span> shift-left <span class="Constant">1</span>/log2 +<span id="L191" class="LineNr">191 </span> result-f <span class="Special"><-</span> <a href='mandelbrot-fixed.mu.html#L79'>multiply-fixed</a> result-f, y-f +<span id="L192" class="LineNr">192 </span> result-f <span class="Special"><-</span> add imaginary-f +<span id="L193" class="LineNr">193 </span> <span class="PreProc">return</span> result-f +<span id="L194" class="LineNr">194 </span><span class="Delimiter">}</span> +<span id="L195" class="LineNr">195 </span> +<span id="L196" class="LineNr">196 </span><span class="muComment"># Scale (x, y) pixel coordinates to a complex plane where the viewport width</span> +<span id="L197" class="LineNr">197 </span><span class="muComment"># ranges from -2 to +2. Viewport height just follows the viewport's aspect</span> +<span id="L198" class="LineNr">198 </span><span class="muComment"># ratio.</span> +<span id="L199" class="LineNr">199 </span> +<span id="L200" class="LineNr">200 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='mandelbrot-fixed.mu.html#L200'>viewport-to-real-f</a></span> x: int, width-f: int<span class="PreProc"> -> </span>_/<span class="Constant">edx</span>: int <span class="Delimiter">{</span> +<span id="L201" class="LineNr">201 </span> <span class="muComment"># (x - width/2)*4/width</span> +<span id="L202" class="LineNr">202 </span> <span class="PreProc">var</span> result-f/<span class="Constant">eax</span>: int <span class="Special"><-</span> <a href='mandelbrot-fixed.mu.html#L15'>int-to-fixed</a> x +<span id="L203" class="LineNr">203 </span> <span class="PreProc">var</span> half-width-f/<span class="Constant">ecx</span>: int <span class="Special"><-</span> copy width-f +<span id="L204" class="LineNr">204 </span> half-width-f <span class="Special"><-</span> shift-right-signed <span class="Constant">1</span>/log2 +<span id="L205" class="LineNr">205 </span> result-f <span class="Special"><-</span> subtract half-width-f +<span id="L206" class="LineNr">206 </span> result-f <span class="Special"><-</span> shift-left <span class="Constant">2</span>/log4 +<span id="L207" class="LineNr">207 </span> result-f <span class="Special"><-</span> <a href='mandelbrot-fixed.mu.html#L90'>divide-fixed</a> result-f, width-f +<span id="L208" class="LineNr">208 </span> <span class="PreProc">return</span> result-f +<span id="L209" class="LineNr">209 </span><span class="Delimiter">}</span> +<span id="L210" class="LineNr">210 </span> +<span id="L211" class="LineNr">211 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='mandelbrot-fixed.mu.html#L211'>viewport-to-imaginary-f</a></span> y: int, width-f: int, height-f: int<span class="PreProc"> -> </span>_/<span class="Constant">ebx</span>: int <span class="Delimiter">{</span> +<span id="L212" class="LineNr">212 </span> <span class="muComment"># (y - height/2)*4/width</span> +<span id="L213" class="LineNr">213 </span> <span class="PreProc">var</span> result-f/<span class="Constant">eax</span>: int <span class="Special"><-</span> <a href='mandelbrot-fixed.mu.html#L15'>int-to-fixed</a> y +<span id="L214" class="LineNr">214 </span> shift-right-signed height-f, <span class="Constant">1</span>/log2 +<span id="L215" class="LineNr">215 </span> result-f <span class="Special"><-</span> subtract height-f +<span id="L216" class="LineNr">216 </span> result-f <span class="Special"><-</span> shift-left <span class="Constant">2</span>/log4 +<span id="L217" class="LineNr">217 </span> result-f <span class="Special"><-</span> <a href='mandelbrot-fixed.mu.html#L90'>divide-fixed</a> result-f, width-f +<span id="L218" class="LineNr">218 </span> <span class="PreProc">return</span> result-f +<span id="L219" class="LineNr">219 </span><span class="Delimiter">}</span> </pre> </body> </html> diff --git a/html/mandelbrot.mu.html b/html/mandelbrot.mu.html index ea235774..ee2b8483 100644 --- a/html/mandelbrot.mu.html +++ b/html/mandelbrot.mu.html @@ -18,7 +18,6 @@ a { color:inherit; } .Special { color: #ff6060; } .LineNr { } .Constant { color: #008787; } -.CommentedCode { color: #8a8a8a; } .Delimiter { color: #c000c0; } .muFunction { color: #af5f00; text-decoration: underline; } .muComment { color: #005faf; } @@ -80,132 +79,124 @@ if ('onhashchange' in window) { <span id="L21" class="LineNr"> 21 </span> <span class="Delimiter">{</span> <span id="L22" class="LineNr"> 22 </span> compare y, height <span id="L23" class="LineNr"> 23 </span> <span class="PreProc">break-if->=</span> -<span id="L24" class="LineNr"> 24 </span><span class="CommentedCode">#? var new-x/eax: int <- render-float-decimal 0/screen, imaginary, 3, 0/x, 0/y, 7/fg, 0/bg</span> -<span id="L25" class="LineNr"> 25 </span> <span class="PreProc">var</span> imaginary/<span class="Constant">xmm1</span>: float <span class="Special"><-</span> <a href='mandelbrot.mu.html#L134'>mandelbrot-min-y</a> y, width, height -<span id="L26" class="LineNr"> 26 </span> <span class="PreProc">var</span> x/<span class="Constant">edx</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span> -<span id="L27" class="LineNr"> 27 </span> <span class="Delimiter">{</span> -<span id="L28" class="LineNr"> 28 </span> compare x, width -<span id="L29" class="LineNr"> 29 </span> <span class="PreProc">break-if->=</span> -<span id="L30" class="LineNr"> 30 </span> <span class="PreProc">var</span> real/<span class="Constant">xmm0</span>: float <span class="Special"><-</span> <a href='mandelbrot.mu.html#L118'>mandelbrot-min-x</a> x, width -<span id="L31" class="LineNr"> 31 </span> <span class="PreProc">var</span> new-x/<span class="Constant">eax</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span> -<span id="L32" class="LineNr"> 32 </span> new-x <span class="Special"><-</span> <a href='412render-float-decimal.mu.html#L151'>render-float-decimal</a> <span class="Constant">0</span>/screen, real, <span class="Constant">3</span>, new-x, <span class="Constant">0</span>/y, <span class="Constant">7</span>/fg, <span class="Constant">0</span>/bg -<span id="L33" class="LineNr"> 33 </span> new-x <span class="Special"><-</span> increment -<span id="L34" class="LineNr"> 34 </span> new-x <span class="Special"><-</span> <a href='412render-float-decimal.mu.html#L151'>render-float-decimal</a> <span class="Constant">0</span>/screen, imaginary, <span class="Constant">3</span>, new-x, <span class="Constant">0</span>/y, <span class="Constant">7</span>/fg, <span class="Constant">0</span>/bg -<span id="L35" class="LineNr"> 35 </span> <span class="PreProc">var</span> iterations/<span class="Constant">eax</span>: int <span class="Special"><-</span> <a href='mandelbrot.mu.html#L56'>mandelbrot-pixel</a> real, imaginary, <span class="Constant">0x400</span>/max -<span id="L36" class="LineNr"> 36 </span> <a href='500fake-screen.mu.html#L169'>set-cursor-position</a> <span class="Constant">0</span>/screen <span class="Constant">0</span>/x <span class="Constant">1</span>/y -<span id="L37" class="LineNr"> 37 </span> <a href='501draw-text.mu.html#L366'>draw-int32-decimal-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, iterations, <span class="Constant">7</span>/fg, <span class="Constant">0</span>/bg -<span id="L38" class="LineNr"> 38 </span> compare iterations, <span class="Constant">0x400</span>/max -<span id="L39" class="LineNr"> 39 </span> <span class="Delimiter">{</span> -<span id="L40" class="LineNr"> 40 </span> <span class="PreProc">break-if->=</span> -<span id="L41" class="LineNr"> 41 </span> <a href='500fake-screen.mu.html#L462'>pixel</a> <a href='500fake-screen.mu.html#L14'>screen</a>, x, y, <span class="Constant">0xf</span>/white -<span id="L42" class="LineNr"> 42 </span> <span class="Delimiter">}</span> -<span id="L43" class="LineNr"> 43 </span> compare iterations, <span class="Constant">0x400</span>/max -<span id="L44" class="LineNr"> 44 </span> <span class="Delimiter">{</span> -<span id="L45" class="LineNr"> 45 </span> <span class="PreProc">break-if-<</span> -<span id="L46" class="LineNr"> 46 </span> <a href='500fake-screen.mu.html#L462'>pixel</a> <a href='500fake-screen.mu.html#L14'>screen</a>, x, y, <span class="Constant">0</span>/black -<span id="L47" class="LineNr"> 47 </span> <span class="Delimiter">}</span> -<span id="L48" class="LineNr"> 48 </span> x <span class="Special"><-</span> increment -<span id="L49" class="LineNr"> 49 </span> <span class="PreProc">loop</span> -<span id="L50" class="LineNr"> 50 </span> <span class="Delimiter">}</span> -<span id="L51" class="LineNr"> 51 </span> y <span class="Special"><-</span> increment -<span id="L52" class="LineNr"> 52 </span> <span class="PreProc">loop</span> -<span id="L53" class="LineNr"> 53 </span> <span class="Delimiter">}</span> -<span id="L54" class="LineNr"> 54 </span><span class="Delimiter">}</span> -<span id="L55" class="LineNr"> 55 </span> -<span id="L56" class="LineNr"> 56 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='mandelbrot.mu.html#L56'>mandelbrot-pixel</a></span> real: float, imaginary: float, max: int<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int <span class="Delimiter">{</span> -<span id="L57" class="LineNr"> 57 </span> <span class="PreProc">var</span> zero: float -<span id="L58" class="LineNr"> 58 </span> <span class="PreProc">var</span> x/<span class="Constant">xmm0</span>: float <span class="Special"><-</span> copy zero -<span id="L59" class="LineNr"> 59 </span> <span class="PreProc">var</span> y/<span class="Constant">xmm1</span>: float <span class="Special"><-</span> copy zero -<span id="L60" class="LineNr"> 60 </span> <span class="PreProc">var</span> iterations/<span class="Constant">ecx</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span> -<span id="L61" class="LineNr"> 61 </span> <span class="Delimiter">{</span> -<span id="L62" class="LineNr"> 62 </span> <span class="PreProc">var</span> done?/<span class="Constant">eax</span>: boolean <span class="Special"><-</span> <a href='mandelbrot.mu.html#L77'>mandelbrot-done?</a> x, y -<span id="L63" class="LineNr"> 63 </span> compare done?, <span class="Constant">0</span>/false -<span id="L64" class="LineNr"> 64 </span> <span class="PreProc">break-if-!=</span> -<span id="L65" class="LineNr"> 65 </span> compare iterations, max -<span id="L66" class="LineNr"> 66 </span> <span class="PreProc">break-if->=</span> -<span id="L67" class="LineNr"> 67 </span> <span class="PreProc">var</span> newx/<span class="Constant">xmm2</span>: float <span class="Special"><-</span> <a href='mandelbrot.mu.html#L96'>mandelbrot-x</a> x, y, real -<span id="L68" class="LineNr"> 68 </span> <span class="PreProc">var</span> newy/<span class="Constant">xmm3</span>: float <span class="Special"><-</span> <a href='mandelbrot.mu.html#L108'>mandelbrot-y</a> x, y, imaginary -<span id="L69" class="LineNr"> 69 </span> x <span class="Special"><-</span> copy newx -<span id="L70" class="LineNr"> 70 </span> y <span class="Special"><-</span> copy newy -<span id="L71" class="LineNr"> 71 </span> iterations <span class="Special"><-</span> increment -<span id="L72" class="LineNr"> 72 </span> <span class="PreProc">loop</span> -<span id="L73" class="LineNr"> 73 </span> <span class="Delimiter">}</span> -<span id="L74" class="LineNr"> 74 </span> <span class="PreProc">return</span> iterations -<span id="L75" class="LineNr"> 75 </span><span class="Delimiter">}</span> -<span id="L76" class="LineNr"> 76 </span> -<span id="L77" class="LineNr"> 77 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='mandelbrot.mu.html#L77'>mandelbrot-done?</a></span> x: float, y: float<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span> -<span id="L78" class="LineNr"> 78 </span> <span class="muComment"># x*x + y*y > 4</span> -<span id="L79" class="LineNr"> 79 </span> <span class="PreProc">var</span> x2/<span class="Constant">xmm0</span>: float <span class="Special"><-</span> copy x -<span id="L80" class="LineNr"> 80 </span><span class="CommentedCode">#? var new-x/eax: int <- render-float-decimal 0/screen, x2, 3, 0/x, 2/y, 4/fg, 0/bg</span> -<span id="L81" class="LineNr"> 81 </span> x2 <span class="Special"><-</span> multiply x -<span id="L82" class="LineNr"> 82 </span> <span class="PreProc">var</span> y2/<span class="Constant">xmm1</span>: float <span class="Special"><-</span> copy y -<span id="L83" class="LineNr"> 83 </span> y2 <span class="Special"><-</span> multiply y -<span id="L84" class="LineNr"> 84 </span> <span class="PreProc">var</span> sum/<span class="Constant">xmm0</span>: float <span class="Special"><-</span> copy x2 -<span id="L85" class="LineNr"> 85 </span> sum <span class="Special"><-</span> add y2 -<span id="L86" class="LineNr"> 86 </span> <span class="PreProc">var</span> four/<span class="Constant">eax</span>: int <span class="Special"><-</span> copy <span class="Constant">4</span> -<span id="L87" class="LineNr"> 87 </span> <span class="PreProc">var</span> four-f/<span class="Constant">xmm1</span>: float <span class="Special"><-</span> convert four -<span id="L88" class="LineNr"> 88 </span> compare sum, four-f -<span id="L89" class="LineNr"> 89 </span> <span class="Delimiter">{</span> -<span id="L90" class="LineNr"> 90 </span> <span class="PreProc">break-if-float></span> -<span id="L91" class="LineNr"> 91 </span> <span class="PreProc">return</span> <span class="Constant">0</span>/false -<span id="L92" class="LineNr"> 92 </span> <span class="Delimiter">}</span> -<span id="L93" class="LineNr"> 93 </span> <span class="PreProc">return</span> <span class="Constant">1</span>/true -<span id="L94" class="LineNr"> 94 </span><span class="Delimiter">}</span> -<span id="L95" class="LineNr"> 95 </span> -<span id="L96" class="LineNr"> 96 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='mandelbrot.mu.html#L96'>mandelbrot-x</a></span> x: float, y: float, real: float<span class="PreProc"> -> </span>_/<span class="Constant">xmm2</span>: float <span class="Delimiter">{</span> -<span id="L97" class="LineNr"> 97 </span> <span class="muComment"># x*x - y*y + real</span> -<span id="L98" class="LineNr"> 98 </span> <span class="PreProc">var</span> x2/<span class="Constant">xmm0</span>: float <span class="Special"><-</span> copy x -<span id="L99" class="LineNr"> 99 </span> x2 <span class="Special"><-</span> multiply x -<span id="L100" class="LineNr">100 </span> <span class="PreProc">var</span> y2/<span class="Constant">xmm1</span>: float <span class="Special"><-</span> copy y -<span id="L101" class="LineNr">101 </span> y2 <span class="Special"><-</span> multiply y -<span id="L102" class="LineNr">102 </span> <span class="PreProc">var</span> result/<span class="Constant">xmm0</span>: float <span class="Special"><-</span> copy x2 -<span id="L103" class="LineNr">103 </span> result <span class="Special"><-</span> subtract y2 -<span id="L104" class="LineNr">104 </span> result <span class="Special"><-</span> add real -<span id="L105" class="LineNr">105 </span> <span class="PreProc">return</span> result -<span id="L106" class="LineNr">106 </span><span class="Delimiter">}</span> -<span id="L107" class="LineNr">107 </span> -<span id="L108" class="LineNr">108 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='mandelbrot.mu.html#L108'>mandelbrot-y</a></span> x: float, y: float, imaginary: float<span class="PreProc"> -> </span>_/<span class="Constant">xmm3</span>: float <span class="Delimiter">{</span> -<span id="L109" class="LineNr">109 </span> <span class="muComment"># 2*x*y + imaginary</span> -<span id="L110" class="LineNr">110 </span> <span class="PreProc">var</span> two/<span class="Constant">eax</span>: int <span class="Special"><-</span> copy <span class="Constant">2</span> -<span id="L111" class="LineNr">111 </span> <span class="PreProc">var</span> result/<span class="Constant">xmm0</span>: float <span class="Special"><-</span> convert two -<span id="L112" class="LineNr">112 </span> result <span class="Special"><-</span> multiply x -<span id="L113" class="LineNr">113 </span> result <span class="Special"><-</span> multiply y -<span id="L114" class="LineNr">114 </span> result <span class="Special"><-</span> add imaginary -<span id="L115" class="LineNr">115 </span> <span class="PreProc">return</span> result -<span id="L116" class="LineNr">116 </span><span class="Delimiter">}</span> -<span id="L117" class="LineNr">117 </span> -<span id="L118" class="LineNr">118 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='mandelbrot.mu.html#L118'>mandelbrot-min-x</a></span> x: int, width: int<span class="PreProc"> -> </span>_/<span class="Constant">xmm0</span>: float <span class="Delimiter">{</span> -<span id="L119" class="LineNr">119 </span> <span class="muComment"># (x - width/2)*4/width</span> -<span id="L120" class="LineNr">120 </span> <span class="PreProc">var</span> result/<span class="Constant">xmm0</span>: float <span class="Special"><-</span> convert x -<span id="L121" class="LineNr">121 </span> <span class="PreProc">var</span> width-f/<span class="Constant">xmm1</span>: float <span class="Special"><-</span> convert width -<span id="L122" class="LineNr">122 </span> <span class="PreProc">var</span> two/<span class="Constant">eax</span>: int <span class="Special"><-</span> copy <span class="Constant">2</span> -<span id="L123" class="LineNr">123 </span> <span class="PreProc">var</span> two-f/<span class="Constant">xmm2</span>: float <span class="Special"><-</span> convert two -<span id="L124" class="LineNr">124 </span> <span class="PreProc">var</span> half-width-f/<span class="Constant">xmm2</span>: float <span class="Special"><-</span> reciprocal two-f -<span id="L125" class="LineNr">125 </span> half-width-f <span class="Special"><-</span> multiply width-f -<span id="L126" class="LineNr">126 </span> result <span class="Special"><-</span> subtract half-width-f -<span id="L127" class="LineNr">127 </span> <span class="PreProc">var</span> four/<span class="Constant">eax</span>: int <span class="Special"><-</span> copy <span class="Constant">4</span> -<span id="L128" class="LineNr">128 </span> <span class="PreProc">var</span> four-f/<span class="Constant">xmm2</span>: float <span class="Special"><-</span> convert four -<span id="L129" class="LineNr">129 </span> result <span class="Special"><-</span> multiply four-f -<span id="L130" class="LineNr">130 </span> result <span class="Special"><-</span> divide width-f -<span id="L131" class="LineNr">131 </span> <span class="PreProc">return</span> result -<span id="L132" class="LineNr">132 </span><span class="Delimiter">}</span> -<span id="L133" class="LineNr">133 </span> -<span id="L134" class="LineNr">134 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='mandelbrot.mu.html#L134'>mandelbrot-min-y</a></span> y: int, width: int, height: int<span class="PreProc"> -> </span>_/<span class="Constant">xmm1</span>: float <span class="Delimiter">{</span> -<span id="L135" class="LineNr">135 </span> <span class="muComment"># (y - height/2)*4/width</span> -<span id="L136" class="LineNr">136 </span> <span class="PreProc">var</span> result/<span class="Constant">xmm0</span>: float <span class="Special"><-</span> convert y -<span id="L137" class="LineNr">137 </span> <span class="PreProc">var</span> height-f/<span class="Constant">xmm1</span>: float <span class="Special"><-</span> convert height -<span id="L138" class="LineNr">138 </span> <span class="PreProc">var</span> half-height-f/<span class="Constant">xmm1</span>: float <span class="Special"><-</span> copy height-f -<span id="L139" class="LineNr">139 </span> <span class="PreProc">var</span> two/<span class="Constant">eax</span>: int <span class="Special"><-</span> copy <span class="Constant">2</span> -<span id="L140" class="LineNr">140 </span> <span class="PreProc">var</span> two-f/<span class="Constant">xmm2</span>: float <span class="Special"><-</span> convert two -<span id="L141" class="LineNr">141 </span> half-height-f <span class="Special"><-</span> divide two-f -<span id="L142" class="LineNr">142 </span> result <span class="Special"><-</span> subtract half-height-f -<span id="L143" class="LineNr">143 </span> <span class="PreProc">var</span> four/<span class="Constant">eax</span>: int <span class="Special"><-</span> copy <span class="Constant">4</span> -<span id="L144" class="LineNr">144 </span> <span class="PreProc">var</span> four-f/<span class="Constant">xmm1</span>: float <span class="Special"><-</span> convert four -<span id="L145" class="LineNr">145 </span> result <span class="Special"><-</span> multiply four-f -<span id="L146" class="LineNr">146 </span> <span class="PreProc">var</span> width-f/<span class="Constant">xmm1</span>: float <span class="Special"><-</span> convert width -<span id="L147" class="LineNr">147 </span> result <span class="Special"><-</span> divide width-f -<span id="L148" class="LineNr">148 </span> <span class="PreProc">return</span> result -<span id="L149" class="LineNr">149 </span><span class="Delimiter">}</span> +<span id="L24" class="LineNr"> 24 </span> <span class="PreProc">var</span> imaginary/<span class="Constant">xmm1</span>: float <span class="Special"><-</span> <a href='mandelbrot.mu.html#L126'>viewport-to-imaginary</a> y, width, height +<span id="L25" class="LineNr"> 25 </span> <span class="PreProc">var</span> x/<span class="Constant">edx</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span> +<span id="L26" class="LineNr"> 26 </span> <span class="Delimiter">{</span> +<span id="L27" class="LineNr"> 27 </span> compare x, width +<span id="L28" class="LineNr"> 28 </span> <span class="PreProc">break-if->=</span> +<span id="L29" class="LineNr"> 29 </span> <span class="PreProc">var</span> real/<span class="Constant">xmm0</span>: float <span class="Special"><-</span> <a href='mandelbrot.mu.html#L110'>viewport-to-real</a> x, width +<span id="L30" class="LineNr"> 30 </span> <span class="PreProc">var</span> iterations/<span class="Constant">eax</span>: int <span class="Special"><-</span> <a href='mandelbrot.mu.html#L49'>mandelbrot-iterations-for-point</a> real, imaginary, <span class="Constant">0x400</span>/max +<span id="L31" class="LineNr"> 31 </span> compare iterations, <span class="Constant">0x400</span>/max +<span id="L32" class="LineNr"> 32 </span> <span class="Delimiter">{</span> +<span id="L33" class="LineNr"> 33 </span> <span class="PreProc">break-if->=</span> +<span id="L34" class="LineNr"> 34 </span> <a href='500fake-screen.mu.html#L462'>pixel</a> <a href='500fake-screen.mu.html#L14'>screen</a>, x, y, <span class="Constant">0xf</span>/white +<span id="L35" class="LineNr"> 35 </span> <span class="Delimiter">}</span> +<span id="L36" class="LineNr"> 36 </span> compare iterations, <span class="Constant">0x400</span>/max +<span id="L37" class="LineNr"> 37 </span> <span class="Delimiter">{</span> +<span id="L38" class="LineNr"> 38 </span> <span class="PreProc">break-if-<</span> +<span id="L39" class="LineNr"> 39 </span> <a href='500fake-screen.mu.html#L462'>pixel</a> <a href='500fake-screen.mu.html#L14'>screen</a>, x, y, <span class="Constant">0</span>/black +<span id="L40" class="LineNr"> 40 </span> <span class="Delimiter">}</span> +<span id="L41" class="LineNr"> 41 </span> x <span class="Special"><-</span> increment +<span id="L42" class="LineNr"> 42 </span> <span class="PreProc">loop</span> +<span id="L43" class="LineNr"> 43 </span> <span class="Delimiter">}</span> +<span id="L44" class="LineNr"> 44 </span> y <span class="Special"><-</span> increment +<span id="L45" class="LineNr"> 45 </span> <span class="PreProc">loop</span> +<span id="L46" class="LineNr"> 46 </span> <span class="Delimiter">}</span> +<span id="L47" class="LineNr"> 47 </span><span class="Delimiter">}</span> +<span id="L48" class="LineNr"> 48 </span> +<span id="L49" class="LineNr"> 49 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='mandelbrot.mu.html#L49'>mandelbrot-iterations-for-point</a></span> real: float, imaginary: float, max: int<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int <span class="Delimiter">{</span> +<span id="L50" class="LineNr"> 50 </span> <span class="PreProc">var</span> zero: float +<span id="L51" class="LineNr"> 51 </span> <span class="PreProc">var</span> x/<span class="Constant">xmm0</span>: float <span class="Special"><-</span> copy zero +<span id="L52" class="LineNr"> 52 </span> <span class="PreProc">var</span> y/<span class="Constant">xmm1</span>: float <span class="Special"><-</span> copy zero +<span id="L53" class="LineNr"> 53 </span> <span class="PreProc">var</span> iterations/<span class="Constant">ecx</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span> +<span id="L54" class="LineNr"> 54 </span> <span class="Delimiter">{</span> +<span id="L55" class="LineNr"> 55 </span> <span class="PreProc">var</span> done?/<span class="Constant">eax</span>: boolean <span class="Special"><-</span> <a href='mandelbrot.mu.html#L70'>mandelbrot-done?</a> x, y +<span id="L56" class="LineNr"> 56 </span> compare done?, <span class="Constant">0</span>/false +<span id="L57" class="LineNr"> 57 </span> <span class="PreProc">break-if-!=</span> +<span id="L58" class="LineNr"> 58 </span> compare iterations, max +<span id="L59" class="LineNr"> 59 </span> <span class="PreProc">break-if->=</span> +<span id="L60" class="LineNr"> 60 </span> <span class="PreProc">var</span> newx/<span class="Constant">xmm2</span>: float <span class="Special"><-</span> <a href='mandelbrot.mu.html#L88'>mandelbrot-x</a> x, y, real +<span id="L61" class="LineNr"> 61 </span> <span class="PreProc">var</span> newy/<span class="Constant">xmm3</span>: float <span class="Special"><-</span> <a href='mandelbrot.mu.html#L100'>mandelbrot-y</a> x, y, imaginary +<span id="L62" class="LineNr"> 62 </span> x <span class="Special"><-</span> copy newx +<span id="L63" class="LineNr"> 63 </span> y <span class="Special"><-</span> copy newy +<span id="L64" class="LineNr"> 64 </span> iterations <span class="Special"><-</span> increment +<span id="L65" class="LineNr"> 65 </span> <span class="PreProc">loop</span> +<span id="L66" class="LineNr"> 66 </span> <span class="Delimiter">}</span> +<span id="L67" class="LineNr"> 67 </span> <span class="PreProc">return</span> iterations +<span id="L68" class="LineNr"> 68 </span><span class="Delimiter">}</span> +<span id="L69" class="LineNr"> 69 </span> +<span id="L70" class="LineNr"> 70 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='mandelbrot.mu.html#L70'>mandelbrot-done?</a></span> x: float, y: float<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span> +<span id="L71" class="LineNr"> 71 </span> <span class="muComment"># x*x + y*y > 4</span> +<span id="L72" class="LineNr"> 72 </span> <span class="PreProc">var</span> x2/<span class="Constant">xmm0</span>: float <span class="Special"><-</span> copy x +<span id="L73" class="LineNr"> 73 </span> x2 <span class="Special"><-</span> multiply x +<span id="L74" class="LineNr"> 74 </span> <span class="PreProc">var</span> y2/<span class="Constant">xmm1</span>: float <span class="Special"><-</span> copy y +<span id="L75" class="LineNr"> 75 </span> y2 <span class="Special"><-</span> multiply y +<span id="L76" class="LineNr"> 76 </span> <span class="PreProc">var</span> sum/<span class="Constant">xmm0</span>: float <span class="Special"><-</span> copy x2 +<span id="L77" class="LineNr"> 77 </span> sum <span class="Special"><-</span> add y2 +<span id="L78" class="LineNr"> 78 </span> <span class="PreProc">var</span> four/<span class="Constant">eax</span>: int <span class="Special"><-</span> copy <span class="Constant">4</span> +<span id="L79" class="LineNr"> 79 </span> <span class="PreProc">var</span> four-f/<span class="Constant">xmm1</span>: float <span class="Special"><-</span> convert four +<span id="L80" class="LineNr"> 80 </span> compare sum, four-f +<span id="L81" class="LineNr"> 81 </span> <span class="Delimiter">{</span> +<span id="L82" class="LineNr"> 82 </span> <span class="PreProc">break-if-float></span> +<span id="L83" class="LineNr"> 83 </span> <span class="PreProc">return</span> <span class="Constant">0</span>/false +<span id="L84" class="LineNr"> 84 </span> <span class="Delimiter">}</span> +<span id="L85" class="LineNr"> 85 </span> <span class="PreProc">return</span> <span class="Constant">1</span>/true +<span id="L86" class="LineNr"> 86 </span><span class="Delimiter">}</span> +<span id="L87" class="LineNr"> 87 </span> +<span id="L88" class="LineNr"> 88 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='mandelbrot.mu.html#L88'>mandelbrot-x</a></span> x: float, y: float, real: float<span class="PreProc"> -> </span>_/<span class="Constant">xmm2</span>: float <span class="Delimiter">{</span> +<span id="L89" class="LineNr"> 89 </span> <span class="muComment"># x*x - y*y + real</span> +<span id="L90" class="LineNr"> 90 </span> <span class="PreProc">var</span> x2/<span class="Constant">xmm0</span>: float <span class="Special"><-</span> copy x +<span id="L91" class="LineNr"> 91 </span> x2 <span class="Special"><-</span> multiply x +<span id="L92" class="LineNr"> 92 </span> <span class="PreProc">var</span> y2/<span class="Constant">xmm1</span>: float <span class="Special"><-</span> copy y +<span id="L93" class="LineNr"> 93 </span> y2 <span class="Special"><-</span> multiply y +<span id="L94" class="LineNr"> 94 </span> <span class="PreProc">var</span> result/<span class="Constant">xmm0</span>: float <span class="Special"><-</span> copy x2 +<span id="L95" class="LineNr"> 95 </span> result <span class="Special"><-</span> subtract y2 +<span id="L96" class="LineNr"> 96 </span> result <span class="Special"><-</span> add real +<span id="L97" class="LineNr"> 97 </span> <span class="PreProc">return</span> result +<span id="L98" class="LineNr"> 98 </span><span class="Delimiter">}</span> +<span id="L99" class="LineNr"> 99 </span> +<span id="L100" class="LineNr">100 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='mandelbrot.mu.html#L100'>mandelbrot-y</a></span> x: float, y: float, imaginary: float<span class="PreProc"> -> </span>_/<span class="Constant">xmm3</span>: float <span class="Delimiter">{</span> +<span id="L101" class="LineNr">101 </span> <span class="muComment"># 2*x*y + imaginary</span> +<span id="L102" class="LineNr">102 </span> <span class="PreProc">var</span> two/<span class="Constant">eax</span>: int <span class="Special"><-</span> copy <span class="Constant">2</span> +<span id="L103" class="LineNr">103 </span> <span class="PreProc">var</span> result/<span class="Constant">xmm0</span>: float <span class="Special"><-</span> convert two +<span id="L104" class="LineNr">104 </span> result <span class="Special"><-</span> multiply x +<span id="L105" class="LineNr">105 </span> result <span class="Special"><-</span> multiply y +<span id="L106" class="LineNr">106 </span> result <span class="Special"><-</span> add imaginary +<span id="L107" class="LineNr">107 </span> <span class="PreProc">return</span> result +<span id="L108" class="LineNr">108 </span><span class="Delimiter">}</span> +<span id="L109" class="LineNr">109 </span> +<span id="L110" class="LineNr">110 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='mandelbrot.mu.html#L110'>viewport-to-real</a></span> x: int, width: int<span class="PreProc"> -> </span>_/<span class="Constant">xmm0</span>: float <span class="Delimiter">{</span> +<span id="L111" class="LineNr">111 </span> <span class="muComment"># (x - width/2)*4/width</span> +<span id="L112" class="LineNr">112 </span> <span class="PreProc">var</span> result/<span class="Constant">xmm0</span>: float <span class="Special"><-</span> convert x +<span id="L113" class="LineNr">113 </span> <span class="PreProc">var</span> width-f/<span class="Constant">xmm1</span>: float <span class="Special"><-</span> convert width +<span id="L114" class="LineNr">114 </span> <span class="PreProc">var</span> two/<span class="Constant">eax</span>: int <span class="Special"><-</span> copy <span class="Constant">2</span> +<span id="L115" class="LineNr">115 </span> <span class="PreProc">var</span> two-f/<span class="Constant">xmm2</span>: float <span class="Special"><-</span> convert two +<span id="L116" class="LineNr">116 </span> <span class="PreProc">var</span> half-width-f/<span class="Constant">xmm2</span>: float <span class="Special"><-</span> reciprocal two-f +<span id="L117" class="LineNr">117 </span> half-width-f <span class="Special"><-</span> multiply width-f +<span id="L118" class="LineNr">118 </span> result <span class="Special"><-</span> subtract half-width-f +<span id="L119" class="LineNr">119 </span> <span class="PreProc">var</span> four/<span class="Constant">eax</span>: int <span class="Special"><-</span> copy <span class="Constant">4</span> +<span id="L120" class="LineNr">120 </span> <span class="PreProc">var</span> four-f/<span class="Constant">xmm2</span>: float <span class="Special"><-</span> convert four +<span id="L121" class="LineNr">121 </span> result <span class="Special"><-</span> multiply four-f +<span id="L122" class="LineNr">122 </span> result <span class="Special"><-</span> divide width-f +<span id="L123" class="LineNr">123 </span> <span class="PreProc">return</span> result +<span id="L124" class="LineNr">124 </span><span class="Delimiter">}</span> +<span id="L125" class="LineNr">125 </span> +<span id="L126" class="LineNr">126 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='mandelbrot.mu.html#L126'>viewport-to-imaginary</a></span> y: int, width: int, height: int<span class="PreProc"> -> </span>_/<span class="Constant">xmm1</span>: float <span class="Delimiter">{</span> +<span id="L127" class="LineNr">127 </span> <span class="muComment"># (y - height/2)*4/width</span> +<span id="L128" class="LineNr">128 </span> <span class="PreProc">var</span> result/<span class="Constant">xmm0</span>: float <span class="Special"><-</span> convert y +<span id="L129" class="LineNr">129 </span> <span class="PreProc">var</span> height-f/<span class="Constant">xmm1</span>: float <span class="Special"><-</span> convert height +<span id="L130" class="LineNr">130 </span> <span class="PreProc">var</span> half-height-f/<span class="Constant">xmm1</span>: float <span class="Special"><-</span> copy height-f +<span id="L131" class="LineNr">131 </span> <span class="PreProc">var</span> two/<span class="Constant">eax</span>: int <span class="Special"><-</span> copy <span class="Constant">2</span> +<span id="L132" class="LineNr">132 </span> <span class="PreProc">var</span> two-f/<span class="Constant">xmm2</span>: float <span class="Special"><-</span> convert two +<span id="L133" class="LineNr">133 </span> half-height-f <span class="Special"><-</span> divide two-f +<span id="L134" class="LineNr">134 </span> result <span class="Special"><-</span> subtract half-height-f +<span id="L135" class="LineNr">135 </span> <span class="PreProc">var</span> four/<span class="Constant">eax</span>: int <span class="Special"><-</span> copy <span class="Constant">4</span> +<span id="L136" class="LineNr">136 </span> <span class="PreProc">var</span> four-f/<span class="Constant">xmm1</span>: float <span class="Special"><-</span> convert four +<span id="L137" class="LineNr">137 </span> result <span class="Special"><-</span> multiply four-f +<span id="L138" class="LineNr">138 </span> <span class="PreProc">var</span> width-f/<span class="Constant">xmm1</span>: float <span class="Special"><-</span> convert width +<span id="L139" class="LineNr">139 </span> result <span class="Special"><-</span> divide width-f +<span id="L140" class="LineNr">140 </span> <span class="PreProc">return</span> result +<span id="L141" class="LineNr">141 </span><span class="Delimiter">}</span> </pre> </body> </html> diff --git a/mandelbrot-fixed.mu b/mandelbrot-fixed.mu index 50c8c11e..59b61699 100644 --- a/mandelbrot-fixed.mu +++ b/mandelbrot-fixed.mu @@ -111,46 +111,36 @@ fn mandelbrot screen: (addr screen) { width-f <- shift-left 0xb/log2-font-width-and-fixed-precision # 3 + 8 = 11 var height-f/edi: int <- copy b height-f <- shift-left 0xc/log2-font-height-and-fixed-precision # 4 + 8 = 12 - # it might make sense to keep x and y as regular ints - # treating them as fixed-point for demonstration purposes - var y-f/ecx: int <- copy 0 + var y/ecx: int <- copy 0 { - compare y-f, height-f + compare y, height-f break-if->= - var imaginary-f/ebx: int <- mandelbrot-min-y y-f, width-f, height-f - var x-f/eax: int <- copy 0 + var imaginary-f/ebx: int <- viewport-to-imaginary-f y, width-f, height-f + var x/eax: int <- copy 0 { - compare x-f, width-f + compare x, width-f break-if->= - var real-f/edx: int <- mandelbrot-min-x x-f, width-f - var iterations/esi: int <- mandelbrot-pixel real-f, imaginary-f, 0x400/max + var real-f/edx: int <- viewport-to-real-f x, width-f + var iterations/esi: int <- mandelbrot-iterations-for-point real-f, imaginary-f, 0x400/max + compare iterations, 0x400/max { - var x: int - var y: int - var tmp/eax: int <- fixed-to-int x-f - copy-to x, tmp - tmp <- fixed-to-int y-f - copy-to y, tmp - compare iterations, 0x400/max - { - break-if->= - pixel screen, x, y, 0xf/white - } - compare iterations, 0x400/max - { - break-if-< - pixel screen, x, y, 0/black - } + break-if->= + pixel screen, x, y, 0xf/white } - x-f <- add 0x100/1 + compare iterations, 0x400/max + { + break-if-< + pixel screen, x, y, 0/black + } + x <- increment loop } - y-f <- add 0x100/1 + y <- increment loop } } -fn mandelbrot-pixel real-f: int, imaginary-f: int, max: int -> _/esi: int { +fn mandelbrot-iterations-for-point real-f: int, imaginary-f: int, max: int -> _/esi: int { var x-f/esi: int <- copy 0 var y-f/edi: int <- copy 0 var iterations/ecx: int <- copy 0 @@ -203,9 +193,13 @@ fn mandelbrot-y x-f: int, y-f: int, imaginary-f: int -> _/ebx: int { return result-f } -fn mandelbrot-min-x x-f: int, width-f: int -> _/edx: int { +# Scale (x, y) pixel coordinates to a complex plane where the viewport width +# ranges from -2 to +2. Viewport height just follows the viewport's aspect +# ratio. + +fn viewport-to-real-f x: int, width-f: int -> _/edx: int { # (x - width/2)*4/width - var result-f/eax: int <- copy x-f + var result-f/eax: int <- int-to-fixed x var half-width-f/ecx: int <- copy width-f half-width-f <- shift-right-signed 1/log2 result-f <- subtract half-width-f @@ -214,9 +208,9 @@ fn mandelbrot-min-x x-f: int, width-f: int -> _/edx: int { return result-f } -fn mandelbrot-min-y y-f: int, width-f: int, height-f: int -> _/ebx: int { +fn viewport-to-imaginary-f y: int, width-f: int, height-f: int -> _/ebx: int { # (y - height/2)*4/width - var result-f/eax: int <- copy y-f + var result-f/eax: int <- int-to-fixed y shift-right-signed height-f, 1/log2 result-f <- subtract height-f result-f <- shift-left 2/log4 diff --git a/mandelbrot.mu b/mandelbrot.mu index 46f91bd4..3017ec20 100644 --- a/mandelbrot.mu +++ b/mandelbrot.mu @@ -21,20 +21,13 @@ fn mandelbrot screen: (addr screen) { { compare y, height break-if->= -#? var new-x/eax: int <- render-float-decimal 0/screen, imaginary, 3, 0/x, 0/y, 7/fg, 0/bg - var imaginary/xmm1: float <- mandelbrot-min-y y, width, height + var imaginary/xmm1: float <- viewport-to-imaginary y, width, height var x/edx: int <- copy 0 { compare x, width break-if->= - var real/xmm0: float <- mandelbrot-min-x x, width - var new-x/eax: int <- copy 0 - new-x <- render-float-decimal 0/screen, real, 3, new-x, 0/y, 7/fg, 0/bg - new-x <- increment - new-x <- render-float-decimal 0/screen, imaginary, 3, new-x, 0/y, 7/fg, 0/bg - var iterations/eax: int <- mandelbrot-pixel real, imaginary, 0x400/max - set-cursor-position 0/screen 0/x 1/y - draw-int32-decimal-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, iterations, 7/fg, 0/bg + var real/xmm0: float <- viewport-to-real x, width + var iterations/eax: int <- mandelbrot-iterations-for-point real, imaginary, 0x400/max compare iterations, 0x400/max { break-if->= @@ -53,7 +46,7 @@ fn mandelbrot screen: (addr screen) { } } -fn mandelbrot-pixel real: float, imaginary: float, max: int -> _/eax: int { +fn mandelbrot-iterations-for-point real: float, imaginary: float, max: int -> _/eax: int { var zero: float var x/xmm0: float <- copy zero var y/xmm1: float <- copy zero @@ -77,7 +70,6 @@ fn mandelbrot-pixel real: float, imaginary: float, max: int -> _/eax: int { fn mandelbrot-done? x: float, y: float -> _/eax: boolean { # x*x + y*y > 4 var x2/xmm0: float <- copy x -#? var new-x/eax: int <- render-float-decimal 0/screen, x2, 3, 0/x, 2/y, 4/fg, 0/bg x2 <- multiply x var y2/xmm1: float <- copy y y2 <- multiply y @@ -115,7 +107,7 @@ fn mandelbrot-y x: float, y: float, imaginary: float -> _/xmm3: float { return result } -fn mandelbrot-min-x x: int, width: int -> _/xmm0: float { +fn viewport-to-real x: int, width: int -> _/xmm0: float { # (x - width/2)*4/width var result/xmm0: float <- convert x var width-f/xmm1: float <- convert width @@ -131,7 +123,7 @@ fn mandelbrot-min-x x: int, width: int -> _/xmm0: float { return result } -fn mandelbrot-min-y y: int, width: int, height: int -> _/xmm1: float { +fn viewport-to-imaginary y: int, width: int, height: int -> _/xmm1: float { # (y - height/2)*4/width var result/xmm0: float <- convert y var height-f/xmm1: float <- convert height |