Commit Graph

6 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
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
b0a001aa58 Clarified assignments 2019-09-06 17:26:42 -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