https://wikiti.brandonw.net/index.php?action=history&feed=atom&title=84PCSE%3ABCALLs%3A4D6E 2026-04-09T14:10:06Z Revision history for this page on the wiki MediaWiki 1.23.5 https://wikiti.brandonw.net/index.php?title=84PCSE:BCALLs:4D6E&diff=10184&oldid=prev 2013-10-20T03:39:09Z

<p>EraseRectBorder</p> <p><b>New page</b></p><div>[[Category:84PCSE:BCALLs:By Name|EraseRectBorder]] [[Category:84PCSE:BCALLs:By Name:Drawing|EraseRectBorder]] [[Category:84PCSE:BCALLs:By Address|4D6E - EraseRectBorder]]<br /> == Synopsis ==<br /> '''Hypothesized Official Name:''' EraseRectBorder<br /> <br /> '''BCALL Address:''' 4D6Eh<br /> <br /> Draw a white rectangular outline 1 pixel wide.<br /> <br /> === Inputs ===<br /> * HL = X coordinate of left edge<br /> * DE = X coordinate of right edge (must be greater than HL and at most 319)<br /> * B = Y coordinate of top edge (from top of screen)<br /> * C = Y coordinate of bottom edge (must be greater than B and at most 239)<br /> <br /> === Outputs ===<br /> * ([[84PCSE:RAM:A038|penFGColor]]) = 0FFFFh<br /> <br /> === Destroys ===<br /> * AF<br /> * Interrupts disabled<br /> <br /> == Comments ==<br /> The rectangle is drawn only to the LCD, never to the graph buffer.<br /> <br /> The dimensions of the enclosed area are (HL-DE-1) × (C-B-1). The outer dimensions of the border are (HL-DE+1) × (C-B+1).</div>

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