I wouldnt call it a tradeoff. Author didnt want to design memory controller, and SRAM gets him effortless 0 wait state access.
Personally Im also a fan of keeping ram oldschool. I even reverse engineered a ram card for a 386 board just last week https://github.com/raszpl/386RC-16
Personally Im also a fan of keeping ram oldschool. I even reverse engineered a ram card for a 386 board just last week https://github.com/raszpl/386RC-16