right, or 1900, but that wasn't the point of what i was saying. I thought that the method used to hide the year completely in the menu was clever.
On Wed, Nov 28, 2018 at 9:42 PM Peter Vollan <[email protected]> wrote: > "Just use 1979, which equals 2007." > The model 100 does not associate the day of the week with the date. > And it does not take leap years into account. So if one year such as > 1979 is identical to another one such as 2007, that has nothing to do > with anything relating to the Model T. > On Wed, 28 Nov 2018 at 18:16, Scott Lawrence <[email protected]> wrote: > > > > So, I'm a cheapskate and don't have Rex or any of the fancy replacement > ROMs for my M102 (although i'll probably burn a modded ROM at some point, > but i'm getting off topic), and my newly revived and refreshed 102 shows > the "19xx" year display. > > > > Years ago, I used this program from Chris Osburn which worked well, that > patches the display code of the ROM: > > > > http://www.muppetlabs.com/~chris/model100/y2000.html > > > > But it won't work for me in the long run, as it interferes (I believe) > with the various machine code loaders and all of that fun stuff. > > > > However I just found this other program, posted by Terry Yager; > > > > http://www.vcfed.org/forum/archive/index.php/t-5859.html > > > > That claimed to do the same thing, or a similar thing... Most of the > program does some funky stuff with printing and inputting text that I kinda > dig, but it does "fix" the year display issue without machine code... in a > pretty neat way. > > > > The key bit of program bits work out to be: > > POKE 63789,127 > > POKE 63790,127 > > > > And what it does. I think, is pretty clever. As far as I can tell, it > writes backspace characters into the two BCD digit fields of the realtime > clock's system memory. So when the menu's routine tries to show the date, > ie: "Jan 01,1918 Mon..." the "18" gets replaced with two delete > characters, which erase the "19". You end up with: "Jan 01, Mon....". Not > perfect, but good enough for me! > > > > Virtual T shows it as a flickering display, but it works perfectly on > real hardware. > > > > Anyway, neat hack! > > > > -s > > > > -- > > Scott Lawrence > > [email protected] > -- Scott Lawrence [email protected]
