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lost in the shuffle: virtual 8086 mode which was introduced with the 386. because people didn't want to rewrite their real mode apps intel introduced a mode with similar addressing only translated by the mmu. this enabled things like ems (remember emm386.sys?) where a small window into higher memory ("page frame") was introduced and could be shifted as needed. allegedly even bill gates called it a terrible hack, but oh well.
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Jan 16, 2022 21:10
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JawnV6 posted:DEC teams survived long after the company itself went under, there were specific projects where decades later there was significant resistance to the intel way of doing things wasn’t NT developed by ex-DEC people? i remember one of the architects expressing particular scorn at unix for its i/o model (DEC had famously hitched their wagon to VMS)
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Jan 31, 2022 20:04
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