Re: Mitsubishi 386 crashed going into protected mode
Posted on 2022-05-03, 19:04
Cache is used always, not just in protected mode, but the access pattern are different and that might be enough to expose a problem with marginal SRAM chips. It has to do with the registers being, by default, only 16-bit wide in DOS and 32-bit in protected mode. I too found that 16-bit/DOS code …