0895ce02b2
Changed ADD to clear and populate carry.
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Run/Step only when not halted.
Reversed speed control.
2018-11-12 21:36:22 +00:00
7aa4aa79fb
Fixed typos in pcb history
2018-11-11 14:36:10 +00:00
2d43c7929e
Added notes for PCB Rev.A
2018-11-11 14:33:46 +00:00
9de6af996c
Implemented base system for REV.A PCB.
2018-11-11 14:13:02 +00:00
af7037db52
Completed PCB Layout.
2018-11-01 21:22:46 +00:00
fcd97dcd4f
Working on PCB layout.
2018-10-31 23:01:01 +00:00
4caca37e6f
Completed Schematic and assigned footprints.
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Started PCB layout.
2018-10-30 22:13:06 +00:00
706dd2d1b5
Added PCB Schematic for uVM.
2018-10-29 23:18:37 +00:00
e89b07d69f
Implemented extended registers AX-FX.
2018-10-28 09:53:45 +00:00
2b851f222f
Updated filenames
2018-10-28 09:05:13 +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.
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Todo: implement extended registers
2018-10-24 21:59:51 +01:00
600be14336
Implemented basic arduino vm.
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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
af0d1b0cd0
Added Apache 2.0 License.
2018-10-16 22:31:47 +01:00
40a1add41d
Removed temp var. Fixed PC.
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Changed PC to be 8bits and checking for alignment.
Introduced x/y vars.
2018-10-16 22:25:27 +01:00
0359d4e0b2
Initial Commit`
2018-10-16 21:46:37 +01:00
