10 Commits

Author	SHA1	Message	Date
Zane Kaminski	72851cefc5	ugh	2021-03-19 02:56:20 -04:00
Zane Kaminski	fdbc92725a	Remove old CPLD stuff	2021-03-15 13:40:41 -04:00
Zane Kaminski	3e06d30382	Fixed bugs in new PLD stuff	2019-10-20 22:41:24 -04:00
Zane Kaminski	79dd794f45	New PLD revision ... For write operations, register data is latched and CAS signal becomes in the middle of S6, 70ns before the end of PHI0. This gives more write data setup time, which may be needed on the Apple II with the 1 MHz 6502.	2019-10-18 15:07:38 -04:00
Zane Kaminski	cf16763591	24-bit counter, CAS fixed	2019-10-11 20:34:51 -04:00
Zane Kaminski	b0a001aa58	Clarified assignments	2019-09-06 17:26:42 -04:00
Zane Kaminski	47a4c012d7	Pipelined addition	2019-09-04 21:45:56 -04:00
Zane Kaminski	a73cbf10ef	Clarifications and bugfixes, will try again	2019-09-02 01:42:07 -04:00
Zane Kaminski	5b230c0966	1MB CPLD design seems to work, fails Apple BIST	2019-09-01 21:18:44 -04:00
Zane Kaminski	e78807ce85	CPLD firmware compiles	2019-08-31 22:55:04 -04:00