5 Commits

Author	SHA1	Message	Date
Thomas Harte	e062780968	Extends back to 128kb and stops halting on unrecognised ports.	2021-06-22 06:15:42 -04:00
Thomas Harte	c1678d7be7	Corrects exposition and transmission of drive selection. ... What a klutz I've been.	2021-06-21 22:56:25 -04:00
Thomas Harte	117f9a9794	Adds notes on intended meaning of status register.	2021-06-21 07:31:58 -04:00
Thomas Harte	b49cc407c6	Adds some guesses as to the EXDos expansion. ... ... with plenty left to do.	2021-06-20 22:30:27 -04:00
Thomas Harte	954386f1cc	Creates a shell for the disk-drive add-on card.	2021-06-20 20:50:23 -04:00