/members-area/personalblogs/b/nexgen-flight-simuator/posts/nexgen-the-lab-compaq-ieee-1284-test-boxOk, So what is this gem, I just uncovered in my junk box, well what the heck is IEEE 1284 well not sure so I looked it up &quot;IEEE 1284 is a standard that defines bi-directional parallel communications between computers and other devices. It ...en-USTelligent Community 12https://community.element14.com/members-area/personalblogs/b/nexgen-flight-simuator/posts/nexgen-the-lab-compaq-ieee-1284-test-boxTue, 31 Oct 2023 19:57:37 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:05823604-054b-4d42-a8f3-03e86b1542b2DAB1<p>Now that is an oldie.</p> <p>I still remember when everyone preferred parallel interfaces, then USB kind of took over, probably because it was cheaper to build and people were less concerned about throughput.</p><img src="https://community.element14.com/aggbug?PostID=27128&AppID=300&AppType=Weblog&ContentType=0" width="1" height="1">https://community.element14.com/members-area/personalblogs/b/nexgen-flight-simuator/posts/nexgen-the-lab-compaq-ieee-1284-test-boxMon, 30 Oct 2023 01:34:06 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:05823604-054b-4d42-a8f3-03e86b1542b2shabaz1<p>Nice! The Motorola microcontrollers always felt leading edge. They had EEPROM program storage before the idea of it was whispered in the corridors of PIC chip manufacturer. And decent instruction sets and decent user manuals. And all the nice cars had them inside.</p> <p>I made a living as a student helping a manufacturer with their legacy 68HCxx products.. mostly 68HC05 series and 68HC11 though.</p> <p>One product they had lost the source code, but still had a fan-fold paper printout of assembler, for an unknown revision. But it was enough to reverse-engineer a bit of the program in the chip, and patch off to some fresh code to implement a new feature.</p><img src="https://community.element14.com/aggbug?PostID=27128&AppID=300&AppType=Weblog&ContentType=0" width="1" height="1">