[cctalk] Re: Charles Stross, replay the bubble of 1995, alt history plus retrocomp

2024-04-28 Thread Johan Helsingius via cctalk
On 28/04/2024 01:14, Gavin Scott via cctalk wrote: Fortunately, in the US the net wasn't run by the Post Office No, but fore a very long time the phone network was run by a government-granted monopoly, Ma Bell. Hadn't the divestiture happened, AT&T had their own dinosaur ideas and would have do

[cctalk] Re: Z80 vs other microprocessors of the time.

2024-04-28 Thread Steve Lewis via cctalk
After learning more about the PALM processor in the IBM 5100, it has a similarity to the 6502 in that the first 128 bytes of RAM is a "register file." All its registers (R0 to R15, across 4 interrupt "layers") occupy those first addresses. In addition, they are physically on the processor itself

[cctalk] Re: PCs in home vs businesses (70s/80s)

2024-04-28 Thread Tom Gardner via cctalk
Interesting discussion, but don't forget software was free until on June 23, 1969, when IBM announced its unbundled offerings! The computer manufacturers then separately priced their software but at it is what sold the hardware for some time thereafter. It was, for quite some time, always safe