Peter did you worry about power up flip flop state? If So what is the circuit you used? Thx.
On Monday, March 25, 2019, Peter Noeth <petern0...@gmail.com> wrote: > Steven, > > The Dual ROM/ 128k RAM Memory system is of my own design. Basically the > standard ROM / RAM was removed and replaced with a new daughter board. It > allows selecting RAM in 32k banks (4) and system ROM by using the BASIC OUT > x,y statement. I had this in my T102 for about 2 years before I got the REX. > > Other than the REX's mode of identifying the current OPTROM image by > over writing the Microsoft copyright on the main Menu (I use this space to > identify which ROM I am using), it works just fine. The second ROM > contained changes for the character generator to better match my Sekio > printer. Plus they both contained the Y2K date fix and they both contain > the RAM bank switch code. > > Also LaddieAlpha is what I used to download the Polar Systems ROM II / > Cleuseau image to REX. It worked correctly on a WinXP system. > > I am still studying the TS-DOS / TPDD interface, now that I have it. I > wrote my own file transfer system decades ago, so will see if I want to use > the TPDD interface from now on. > > Regards, > > Peter > > < snip > > Message: 12 > Date: Mon, 25 Mar 2019 06:14:55 -0400 > From: Stephen Adolph <twospru...@gmail.com> > To: m...@bitchin100.com > Subject: Re: [M100] REX: Downloading OPTROM images > Message-ID: > <CAMCMnV4=yLtTE2XeTCMJmpozh7iNO64PKhY+=h > csd1rcbw7...@mail.gmail.com> > Content-Type: text/plain; charset="utf-8" > > what dual rom 128k ram memory system? very interesting! I'm interested to > learn more. might be a conflict however with REX, depending on the > details... > > On Sun, Mar 24, 2019 at 10:39 PM Peter Noeth <petern0...@gmail.com> wrote: > > > Group, > > > > I purchased a REX at Tandy Assembly 2018, but am just now getting > around > > to testing it with my T102 Dual ROM/128KB RAM Memory System. > > > > The REX Wiki instructions tell of needing a TPDD PC emulator (I have no > > TPDD device) but it does not indicate what program to use, or where to > > download it. I believe that either LaddieCon or LaddieAlpha is what I > need. > > But after searching for them, I found a download link on the LaddieCon > Wiki > > (on http://bitchin100.com/wiki/index.php?title=LaddieCon) that when the > > programs download, the Win7 Smart Screen Filter reports them as unsafe. > > > > Is this the correct place to download the files? If so, are they really > > unsafe? > > > > Regards, > > > > Peter > > > < snip > >
