Am 8. Januar 2019 23:08:17 schrieb Mia Magnusson <mia@plea.se>: > Den Tue, 8 Jan 2019 21:58:39 +0000 skrev smf <smf@null.net>: >> On 08/01/2019 21:32, Thom Cherryhomes wrote: >>> I do want to seriously bitch-slap IBM for doing such a horrible job >>> on the CGA card (no dual ported memory... _FOR A CARD THAT COST >>> HUNDREDS OF DOLLARS BY ITSELF_ ) >> >> I think you underestimate how much 16k of ram cost them in 1981. >> >> Was dual ported memory even available back then? > > Dual ported memory is an expensive solution to what's usually an > incorrectly formulated problem. > > The solution would be to use fast enough memories to be able to do as > in 8-bit computers. "Fast enough" would probably have been too expensive. Banking i.e. increasing memory bus width as with the 8032 could have been a solution. André >Received on 2019-01-09 01:01:55
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