Re: [time-nuts] Re Frequency divider design critique request

2008-07-11 Thread Marco IK1ODO -2
At 05.10 11/07/2008, Bill wrote: What have you done with Life using modern computers? Er... not so modern, but... I wrote a Life program in Z80 assembler to exercise the emulator on an HP 64000A development system... it was in 1981 :-) Life was ideated by J.H. Conway in 1970. See

Re: [time-nuts] Re Frequency divider design critique request

2008-07-11 Thread Poul-Henning Kamp
In message [EMAIL PROTECTED], Marco IK1ODO -2 writes: Life was ideated by J.H. Conway in 1970. See http://en.wikipedia.org/wiki/Conway%27s_Game_of_Life . Fascinating (to me) as it was 27 years ago. Sorry for the OT! Actually, the idea is much older (WWII), and like so much else, comes from

[time-nuts] Re Frequency divider design critique request

2008-07-10 Thread christopher hoover
Bruce wrote. However this adds considerable complexity and would be much easier to implement in a CPLD or FPGA. John and I have a design sketch based on a CoolRunner-2 CPLD that we have been kicking around as a potential TAPR board. The CR2 is nice in that the flip flops can be clocked on

Re: [time-nuts] Re Frequency divider design critique request

2008-07-10 Thread Bill Hawkins
christopher hoover wrote, in part, John and I have both been preoccupied with Life over the last N months and haven't gotten back to the project yet. I can identify with that. Back in the 70's, Life was a cellular automata display on primitive computers. I wrote a routine to plot the population