On 16-Feb-16 10:16, Dave Wade wrote: > > I > > > I think it is also interesting to compare the Intel architecture which > was designed to be economical with Silicon against the M6800, M6809 > and the M68000 which were designed to be programmer friendly, and of > course note the similarities between the 68000 & S/360 with 16 general > purpose registers and orthogonal instruction set) and wonder where we > would be today had IBM chosen them for its PC rather than the 8086 > which I assume was cheaper… > > I worked with IBM in Boca Raton at one point. This is where the IBM PC was developed, and I talked with some of the originators.
They told me that they considered the 8086, the 68000 & the T11 for the PC. They really, really wanted the -11. IBM had the largest population of -11 programmers in the world at one time. They used the 11 for manufacturing and real-time. There was a huge amount of software. But DEC wouldn't sell the -11 to them. So they went for price and that deal with Gates to write DOS. Neither was supposed to last...
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