> On Apr 15, 2018, at 09:44, Bill Gunshannon via cctalk <cctalk@classiccmp.org> > wrote: > > > >> On 04/15/2018 02:28 AM, r.stricklin via cctalk wrote: >>> On Apr 14, 2018, at 4:00 PM, Bill Gunshannon via cctech wrote: >>> >>> I'm familiar with Univac's having worked on the 1100 many moons ago, >>> But look at the line above my comment: >>> "you assume that a char is 8 bits, with a signed char having a range >>> of +/-255". >>> >>> An 8 bit signed char has the values -128 to +127, as I stated. even a 9 bit >>> signed char would not be +/-255 but -256 to +255. >> Doesn't the 1100 use one's complement? -0 != 0, so AFAICT it's still +/-255. >> > Can't remember that. It's over 30 years since my 1100 days. > > I do remember it wasn't an ASCII machine, however. good ole Fielddata. > > bill >
Yes, the Univac 1100 series were one’s complement (had brief experience as a student with 1108 and 1110 from 1969 to 1975) Sent from my iPad