2 Commits

Author	SHA1	Message	Date
Josh Dersch	64d027dcab	Implemented most of the PDS-4 display hardware enhancements (including BLINK, which is very important.) Implemented SBL and SBR, multiple indirects, and fixed decdoding of ACT 2 instructions. Rewired interrupt status bits (arbitrarily rearranged on the PDS-4). SSV4 now mostly seems to work, keyboard still non-functional.	2020-04-26 01:56:10 -07:00
Josh Dersch	7dce231368	Initial swipe at refactoring display processor to allow separate PDS-1 and PDS-4 variants.	2020-04-23 11:16:24 -07:00