15 Apr
2018
15 Apr
'18
4:47 p.m.
On Apr 15, 2018, at 09:44, Bill Gunshannon via cctalk
<cctalk at classiccmp.org> wrote:
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
On 04/15/2018 02:28 AM, r.stricklin via cctalk
wrote:
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
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.