0895ce02b2
Changed ADD to clear and populate carry.
...
Run/Step only when not halted.
Reversed speed control.
2018-11-12 21:36:22 +00:00
9de6af996c
Implemented base system for REV.A PCB.
2018-11-11 14:13:02 +00:00
706dd2d1b5
Added PCB Schematic for uVM.
2018-10-29 23:18:37 +00:00
e3d379de05
Implemented button input using 74HC165 shift registers.
2018-10-27 18:54:48 +01:00
43428a27aa
Added TTL based LRU memory cache.
2018-10-26 23:32:53 +01:00
52a70e7931
Implemented vm memory using external 23LCV512 chip.
...
Todo: implement extended registers
2018-10-24 21:59:51 +01:00
600be14336
Implemented basic arduino vm.
...
Updated LDA to be M[D] = RX + IMM
Updated STA to be RD = M[RX + IMM]
Updated SYS to be RD = SYSCALL(RX, IMM)
Added error callback to VM, replaced printfs with callback.
Added syscalls.
2018-10-22 00:01:47 +01:00
6abacd4c1d
Started on arduino version
2018-10-21 13:47:48 +01:00
