19 Sep
2025
19 Sep
'25
10:51 a.m.
On 2025-09-19 10:52 a.m., Christian Liendo via cctalk wrote:
I think without the 6502 and the consumer machines
based on them, that
wouldn't have happened or it would have taken longer.
Here I think the 6800 had
a big impact as the 65xx was to pin and timing
compatible device. With that memory model Apple and others developed the
video cycle on first phase of the clock and ram access on the second
half. Mostek's 4K dram was also a major factor. Two hardware
simplifications over chips using a different bus cycle.
Ben.