2 Oct
2007
2 Oct
'07
12:43 p.m.
> The 9900 chips is not crippled, for 1976 three
voltage NMOS its about as fast
> as the technology of the time could go. The TI99/4 did however do a nasty to
> it. One is they muxed the bus down to 8bits wide and that does slow the system
> some. There were 128 words of ram (6810s) that if you execute there the speed
> is noticeable.
If I remember right, the architecure of the ti chip
it used a pointer to ram as the internal registers. That would really
bog down on byte wide bus. The year sounds right as
I remember BYTE talking about the chip. One of the few times
you had BYTE not looking at 8080/Z80 cpu's.
Ben.