B9, Thanks for the diagnostic assistance. Free memory shows 19334 and HiMem shows 61104. Mystery deepens....
Doing a bit more digging on the property tag, I now know that the unit was owned by GTE Southwest (now a subsidiary of Verizon). Tom On Tue, Aug 6, 2024 at 3:12 AM B 9 <[email protected]> wrote: > No need to create any files before starting MSPLAN. Backup batteries have > caused many problems, but I haven’t heard of that particular one. > > MSPLAN locking up can also happen if you are trying to run a program > incorrectly hidden in HIMEM. For example, this program has a bug which > causes MSPLAN to lock up with a blank screen: > https://m100.bitchin100.narkive.com/56ABPoQg/y2k-fix-for-tandy-200#post29 > > > 10 CLEAR 22,HIMEM > 40 FOR A = 61082 TO 61103 > 50 READ B > 60 POKE A,B > 70 NEXT A > 100 POKE 61124,238 > 110 POKE 61123,154 > 120 POKE 61122,195 > 210 DATA 229 > 220 DATA 245 > 222 DATA 62,44 > 225 DATA 33,182,247 > 227 DATA 190 > 228 DATA 195,173,238 > 230 DATA 33,183,247 > 240 DATA 54,50 > 250 DATA 35 > 260 DATA 54,48 > 270 DATA 241 > 280 DATA 225 > 290 DATA 201 > 999 END > 1000 POKE 61122,201 > > What happens when you try PRINT FRE(0) and PRINT HIMEM? (On VirtualT > Tandy 200, I’m seeing 19334 and 61104.) > > —b9 > > On Mon, Aug 5, 2024 at 5:47 PM Tom Blum <[email protected]> wrote: > >> I've not opened the case yet, but am now thinking that the configuration >> may be stock since: standard menu looks normal for T200, RAM availablre at >> startup is per stock specification, no optional ROM is installed. I am >> stumped as to what is happening when MSPLAN is selected. The machine looks >> and can only be recovered with a cold reset. Is there any chance an issue >> with backup battery could cause this problem? Is it necessary to create an >> empty .DO file (or some other format) before MSPLAN will start? >> >> Tom >> >> On Mon, Aug 5, 2024, 9:51 AM B 9 <[email protected]> wrote: >> >>> That's actually pretty cool and I'm curious what GTE's firmware does. >>> What software version are you seeing? >>> >>> I'm not sure why they would overwrite MSPLAN yet leave it in the menu, >>> but if they added an "option ROM", I believe you can run it with `CALL >>> 61167, 2`. >>> >>> —b9 >>> >>> >>> On Sun, Aug 4, 2024 at 6:10 PM Tom Blum <[email protected]> wrote: >>> >>>> Hello, >>>> >>>> New to the community and apologies if I'm raising a question/issue >>>> already addressed. Just purchased a working T200. Power cycles nominally >>>> and shows classic menu options. Selecting Multiplan from the menu places >>>> the T200 into a frozen state. LCD screen appears to fill (shaded) >>>> completely but program does not start, no visible text/graphics. >>>> Resetting and power-cycle necessary to get back to the main T200 menu. >>>> Noted that this T200 has a property label on the bottom indicating that >>>> GTE, Inc. (the telecom company) was a previous owner and appears to show a >>>> unique GTE software version #. Is it possible that the original/built-in >>>> Multiplan ROM was (or could be) removed from the T200. As a newbie to the >>>> T, am loathe to open up a working unit to see if a ROM is missing. Is >>>> there a past or present ROM option module for the T200 that would have >>>> Multiplan installed (or installable)? Tom >>>> >>>
