Zane Kaminski
b29662bcab
Fixed previous problem, working again
2020-02-16 00:11:12 -05:00
Zane Kaminski
6e135d4305
Fixed bugs in new PLD stuff
2019-10-20 22:41:24 -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
a8eb7940fe
Recompiled just to be sure
2019-10-13 21:18:41 -04:00
Zane Kaminski
7f581f6ba0
24-bit counter, CAS fixed
2019-10-11 20:34:51 -04:00
Zane Kaminski
66fc09b402
Made AddrH high bit variable with mode input
2019-09-07 21:16:23 -04:00
Zane Kaminski
7ea556dd34
Clarified assignments
2019-09-06 17:26:42 -04:00
Zane Kaminski
f52c6e4781
Pipelined addition
2019-09-04 21:45:56 -04:00
Zane Kaminski
a87ee9c819
Trying again with RamFactor firmware
2019-09-02 20:56:37 -04:00
Zane Kaminski
215f5ca2c6
Clarifications and bugfixes, will try again
2019-09-02 01:42:07 -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