[cctalk] ROM to Flash Adapter for HP Portable PC ROM Drawer help

The HP Portable Plus computer ROM Drawer uses 28 pin 1MBit (128K) Mask ROMs (TC531000) or 512KBit EPROMs (27C512). A few years ago a company called Personalized Software made something called a ROMBO.  This was an adapter that allowed the use of a 32 Pin 27C010 Quad Pack and plugged into the 28 pin socket on the ROM Drawer.  The down side of this was that the ROMBO needed a special EPROM programmer to program.  Here is a link to a picture of the ROMBO.  These are no longer available. https://drive.google.com/file/d/1VKaWpfTIgDriStECXqfptBjHoL6wEmN6/view?usp=… I am thinking of doing something like the schematic linked below to use a modern flash chip (AT28C010) in place of the 27010 and bring out the three pins necessary for programming to jumpers that can be connected to a flash programmer (or I might make an adapter board that the board plugs into for programming). https://drive.google.com/file/d/18RsZPBJldTyxzjozVlO9okfpgOK7P2QT/view?usp=… Has anyone made anything like this for the portable plus or seen something similar. I also have the following questions: 1.  Is there enough room in the ROM Drawer for some kind of socket on the adapter board? 2.  Where can I find the low profile pins used in the ROMBO? 3.  Have I missed anything? Thank you...