Author: Robert Hyatt
Date: 18:03:17 03/09/00
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On March 09, 2000 at 17:34:47, Tom Kerrigan wrote: >On March 09, 2000 at 16:35:50, Pierre Bourget wrote: > >>>Never heard of an H7 or H8 processor. But many older chess programs were based >>>on Motorola 68000 series. 68000 is 16 bit, and 68020 is 32 bit. You can't just > >I believe the 68000 is 32-bit. It has a 24-bit address bus to reduce the >pincount. > He is right. the 6800 was 8 bit, the 68000 was 16 bit. the 020 was the first 32 bit member of the family... >>So do you think that a 16 K program running on a H7 RISC at 10 mhz will play >>better and faster than a 128 K program running on and old 6502 at 6 mhz ? > >I suspect the H is a slower version (predecessor?) of the SH, so a 10MHz part >will run at < 8 MIPS. > >For some reason I can't seem to find ANY performance data on the 6502. But I >guess that it runs at a fraction of a "MIP." > >So my WAG is that the H7 is 10 times faster than the 6502, and therefore ~150 >points stronger. > >(Although the 128k program probably has a much bigger opening book than the 16k >program... not sure how much that is worth...) > >-Tom The 6502 was actually a good cpu... first program I remember was written by the Spracklen's... I don't recall the speeds however, but they did think it was faster than a 4mhz z80...
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