Hi Brian, maybe, do you have a spare REX? Either way I can dump the ROM, no problem. It's of no use right, some proprietary something or other?
On Fri, Jul 27, 2018 at 5:28 PM Brian White <[email protected]> wrote: > You should sell it to me :) also dump the rom, or let me dump it. > > On Fri, Jul 27, 2018 at 2:17 PM Andy Lawrence <[email protected]> wrote: > >> Ha, thanks, I now understand my mistake. >> >> Still locks it up, now to think how/if I'll re-purpose the ROM sleeve. >> >> On Fri, Jul 27, 2018 at 2:05 PM Stephen Adolph <[email protected]> >> wrote: >> >>> Call 61167,2 >>> >>> ;) >>> >>> On Friday, July 27, 2018, Andy Lawrence <[email protected]> wrote: >>> >>>> After the fun with my T102 I decided to continue the fun with a busted >>>> T200 off eBay. After a complete re-cap, fixing lots of keyboard traces, >>>> huge mounts of cleaning I now have a nice functional T200! This unit came >>>> with the RAM fully populated and an EME ROM, which doesn't seem to do >>>> anything, calling 63012 locks is up, and 63013 returns OK with nothing else >>>> obvious. No NiCad or Y2K mods yet cause I ran out of parts, waiting on >>>> Digikey. >>>> >>>> Well I got bored waiting on Digikey and thought, how fast can this >>>> thing go, so I swapped the 4.9151 crystal with a 10Mhz (all I had >>>> in-stock), and it boots and runs! So I quickly threw this program >>>> together, prime number example I found online modded to time the loop: >>>> >>>> 1 POWER CONT >>>> 10 CLS >>>> 20 PRINT "LIMIT"; >>>> 30 INPUT L >>>> 31 HH$ = LEFT$(TIME$,2) >>>> 32 MM$ = MID$(TIME$,4,2) >>>> 33 SS$ = RIGHT$(TIME$,2) >>>> 37 SEC = VAL(SS$) + (VAL(MM$) * 60) + (VAL(HH$) * 3600) >>>> 40 FOR N = 3 TO L >>>> 50 FOR D = 2 TO (N-1) >>>> 60 IF N/D=INT(N/D) THEN GOTO 100 >>>> 70 NEXT D >>>> 80 PRINT N; >>>> 90 GOTO 110 >>>> 100 PRINT "."; >>>> 110 NEXT N >>>> 111 HH$ = LEFT$(TIME$,2) >>>> 112 MM$ = MID$(TIME$,4,2) >>>> 113 SS$ = RIGHT$(TIME$,2) >>>> 114 SECE = (VAL(SS$) + (VAL(MM$) * 60) + (VAL(HH$) * 3600) - SEC) >>>> 117 PRINT "Duration = "; SECE ; " Seconds" >>>> 120 END >>>> >>>> Duration factory = 43sec, duration overclocked = 21sec! (with an input >>>> of 100) >>>> >>>> It isn't completely stable, sometimes I have to power it on 2-3 times, >>>> but once on it doesn't seem to have any trouble, aside from the clock >>>> resetting on occasion. I've not yet studied the schematic to determine if >>>> it's because 10Mhz isn't a multiple of the factory 4.9152, or because it's >>>> simply too fast to read properly, but I'll figure it out. I ran the >>>> above to 1000 a few times without issue or any lock ups. File transfer >>>> even works if I set my PC to 2400bps and the T200 to 1200. >>>> >>>> Overclocked comes at a 20mA over stock hit. >>>> >>>> Fun fun, happy Friday. >>>> BR, >>>> Andy >>>> >>>> >>>> >>>> >>>> >>>> >> >> -- >> projecthuh.com >> Never underestimate the carelessness of boredom... >> Most people prefer Windows because most people are idiots... >> >> > > -- > bkw > -- projecthuh.com Never underestimate the carelessness of boredom... Most people prefer Windows because most people are idiots...
