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<title>Mu - screen.mu</title>
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<pre id='vimCodeElement'>
<span class="Comment"># example program: managing the display using 'screen' objects</span>
<span class="Comment">#</span>
<span class="Comment"># The zero screen below means 'use the real screen'. Tests can also use fake</span>
<span class="Comment"># screens.</span>
<span class="muRecipe">recipe</span> main [
switch-to-display
print-character <span class="Constant">0:literal/screen</span>, <span class="Constant">97:literal</span>
1:number/<span class="Special">raw</span>, 2:number/<span class="Special">raw <- </span>cursor-position <span class="Constant">0:literal/screen</span>
wait-for-key <span class="Constant">0:literal/keyboard</span>
clear-screen <span class="Constant">0:literal/screen</span>
move-cursor <span class="Constant">0:literal/screen</span>, <span class="Constant">0:literal/row</span>, <span class="Constant">4:literal/column</span>
print-character <span class="Constant">0:literal/screen</span>, <span class="Constant">98:literal</span>
wait-for-key <span class="Constant">0:literal/keyboard</span>
move-cursor <span class="Constant">0:literal/screen</span>, <span class="Constant">0:literal/row</span>, <span class="Constant">0:literal/column</span>
clear-line <span class="Constant">0:literal/screen</span>
wait-for-key <span class="Constant">0:literal/keyboard</span>
cursor-down <span class="Constant">0:literal/screen</span>
wait-for-key <span class="Constant">0:literal/keyboard</span>
cursor-right <span class="Constant">0:literal/screen</span>
wait-for-key <span class="Constant">0:literal/keyboard</span>
cursor-left <span class="Constant">0:literal/screen</span>
wait-for-key <span class="Constant">0:literal/keyboard</span>
cursor-up <span class="Constant">0:literal/screen</span>
wait-for-key <span class="Constant">0:literal/keyboard</span>
return-to-console
]
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