<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body style="overflow-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><div><br></div>Hello Colleagues,<div><br></div><div>The good news is that I have a basic display list view that can display and scroll my brand of display items (see screen shot below).</div><div>I don’t use morphs for the low-level display items; my display item classes can simply draw themselves on a morphic (or other) canvas.</div><div>The view scrolls in 2D; I don’t really need zooming for now.</div><div><br></div><div>My question lies elsewhere: I can’t seem to get the FFI test to work; I get error 16 or 1 for anything I try, even the simplest printf call example.</div><div>Is there a special rule or method to set this up? </div><div>Does the VM have to be in the same directory as the VI? </div><div>Are there known issues with the Mac port?</div><div>I’m running on a Mac with a 64-bit ARM V8 processor running MacOS Ventura 13.01.</div><div>I’m using the latest squeak.cog.spur_macos64ARMv8 VM from <a href="https://github.com/OpenSmalltalk">https://github.com/OpenSmalltalk</a>.</div><div><br></div><div><div>Since the VM supports FFI but not the socket interfaces by default, I was going to write both the MIDI and OSC interfaces using FFI for now.</div></div><div><br></div><div><br></div><div>Another Q: What’s the interrupt key?</div><div><br></div><div><br></div><div>…any replies most appreciated...</div><div><br></div><div>stp</div><div><br></div><div>——</div><div><br></div><div>Attached screen shot - display list with random rectangles, lines and strings</div><div><br></div><div><img alt="siren-dlv-test1.jpg" src="cid:9EF69267-0C1C-4A8F-AE1D-A6E31C88147F"><br><div> <meta charset="UTF-8"><br class="Apple-interchange-newline" style="font-family: "Times New Roman"; 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font-family: HelveticaNeue; font-size: 12px; float: none; display: inline !important;">Stephen Travis Pope Ojai,</span><span style="font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: HelveticaNeue; font-size: 12px; float: none; display: inline !important;"> </span><span style="font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: HelveticaNeue; font-size: 12px; float: none; display: inline !important;">California, USA</span><br style="font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: HelveticaNeue; font-size: 12px;"><span style="font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none; font-family: HelveticaNeue; font-size: 12px; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);"> </span><span style="font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: auto; text-align: start; 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