Category:Z80 Routines:Input:DetectKeyPress

From WikiTI
Revision as of 06:40, 21 April 2010 by Galandros (Talk | contribs)

(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to: navigation, search


This routines tells whether any keys at all are pressed. Returns the result in z flag.

;out: z flag for no key, nz flag for any key pressed (except On) detectkeypress: xor a out (1),a ; any part of keyboard is detected nop nop in a,(1) inc a ret

This category currently contains no pages or media.

Retrieved from "https://wikiti.brandonw.net/index.php?title=Category:Z80_Routines:Input:DetectKeyPress&oldid=9141"