Commit Graph

7 Commits

Author SHA1 Message Date
Zane Kaminski
c4844b9646 idk 2021-04-11 15:39:19 -04:00
Zane Kaminski
3816ecd0a1 ugh 2021-03-19 02:56:20 -04:00
Zane Kaminski
e5da11855d Remove old CPLD stuff 2021-03-15 13:40:41 -04:00
Zane Kaminski
f471e04244 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
7ea556dd34 Clarified assignments 2019-09-06 17:26:42 -04:00
Zane Kaminski
6b2378f99a 1MB CPLD design seems to work, fails Apple BIST 2019-09-01 21:18:44 -04:00
Zane Kaminski
396cc3c03c CPLD firmware compiles 2019-08-31 22:55:04 -04:00