BASIC is stored in the mask ROM of the P8052AH of the MCS-51 family. ROM has 8k x 8bit and RAM has 256x8bit, and at least 1kB of external RAM is required. Due to its large capacity of 8kB, it is a fairly full-fledged BASIC that supports floating point arithmetic.
https://electrelic.com/electrelic/node/969
https://web.archive.org/web/20210911171229/http://haserin09.la.coocan.jp/asciiart.html
Board
work in progress
