https://wikiti.brandonw.net/index.php?action=history&feed=atom&title=Z80_Routines%3AInput%3ADetectKeyPress 2026-04-14T19:39:52Z Revision history for this page on the wiki MediaWiki 1.23.5 https://wikiti.brandonw.net/index.php?title=Z80_Routines:Input:DetectKeyPress&diff=9143&oldid=prev 2010-04-21T13:47:17Z

<p>right page created</p> <p><b>New page</b></p><div>[[Category:Z80 Routines:Input|DetectKeyPress]]<br /> [[Category:Z80 Routines|DetectKeyPress]]<br /> <br /> This routines tells whether any keys at all are pressed.<br /> Returns the result in z flag.<br /> <br /> &lt;nowiki&gt;<br /> ;out: z flag for no key, nz flag for any key pressed (except On)<br /> detectkeypress:<br /> xor a<br /> out (1),a ; any part of keyboard is detected<br /> nop<br /> nop<br /> in a,(1)<br /> inc a<br /> ret<br /> &lt;/nowiki&gt;</div>

Galandros