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11,341 Commits 8 Branches 121 Tags 496 MiB
4e7963ee81
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1337 Commits

Author SHA1 Message Date
Thomas Harte
4e7963ee81 Clarify PC semantics; remove faulty underscore. 2024-03-03 14:11:02 -05:00
Thomas Harte
945b7e90da Add just enough to persuade self that execution is broadly sane. 2024-03-03 14:03:08 -05:00
Thomas Harte
99f0233b76 Fix immediate offset and data processing operation. 2024-03-02 23:27:37 -05:00
Thomas Harte
62da0dee7f Unify reads. 2024-03-02 23:15:17 -05:00
Thomas Harte
1663d3d9d1 Introduce disaster of an attempted test run. 2024-03-02 22:40:12 -05:00
Thomas Harte
c0dd96eb7c Add a catalogue entry for RISC OS. 2024-03-02 21:44:27 -05:00
Thomas Harte
c865da67e0 Introduce further barrel-shifter tests. 2024-03-02 15:12:03 -05:00
Thomas Harte
e6f77a9b80 Add logical right-shift tests. 2024-03-01 18:06:54 -05:00
Thomas Harte
42ba6d1281 Relocate execution code appropriately. 2024-03-01 15:02:47 -05:00
Thomas Harte
85b7afd530 Attempt a complete block data transfer. 2024-03-01 14:48:36 -05:00
Thomas Harte
f2f59a4de5 Attempt to deal with data aborts. 2024-03-01 10:38:08 -05:00
Thomas Harte
5759798ad7 Deal with downward write order. 2024-02-29 14:34:20 -05:00
Thomas Harte
ab1dd7f57e Implement a little of block data transfer. 2024-02-29 11:33:40 -05:00
Thomas Harte
53a2ea3a57 Add address exception. 2024-02-29 10:49:11 -05:00
Thomas Harte
1f1e7236be Add rotation. 2024-02-29 10:47:41 -05:00
Thomas Harte
fd2c5b6679 Make a quick first attempt at memory accesses. 2024-02-29 10:18:09 -05:00
Thomas Harte
0b287c55d5 Edge towards single data transfer. 2024-02-29 10:02:57 -05:00
Thomas Harte
93b4008f81 Localise flags, detect improper carry write. 2024-02-28 21:28:19 -05:00
Thomas Harte
904462b881 Regularise data transfers. 2024-02-28 21:23:57 -05:00
Thomas Harte
4d400c3cb7 Add easy exceptions. 2024-02-28 14:25:12 -05:00
Thomas Harte
c49b26701f Relocate and clarify barrel shifts. 
With a view to independent testing.
 2024-02-28 13:53:13 -05:00
Thomas Harte
9b42d35d56 Update interface. 2024-02-28 11:42:33 -05:00
Thomas Harte
645152a1fd Implement branch. 2024-02-28 11:33:28 -05:00
Thomas Harte
487ade56ed Add basic multiply. 2024-02-28 11:27:27 -05:00
Thomas Harte
5a48c15e46 Add scheduler side of PC writeback. 2024-02-28 10:15:23 -05:00
Thomas Harte
d6bf1808f9 Take a swing at PC-as-input. 2024-02-28 09:33:05 -05:00
Thomas Harte
b676153d21 State intention to merge status with other registers. 2024-02-27 15:36:34 -05:00
Thomas Harte
b4e0b46bac Add notes on R15. 2024-02-27 10:04:30 -05:00
Thomas Harte
09c1b2d7db Add missing shifts. 2024-02-27 09:55:24 -05:00
Thomas Harte
4255283e33 Deal with conditionality up front. 2024-02-26 21:36:23 -05:00
Thomas Harte
16e827bb2c Add basic arithmetics. 2024-02-26 21:27:58 -05:00
Thomas Harte
def69ce6d5 Add notes on R15. 2024-02-26 15:12:39 -05:00
Thomas Harte
054a799699 Fill in the easy 50% of operations. 2024-02-26 15:10:00 -05:00
Thomas Harte
580f402bb6 Muddle further towards data processing. 2024-02-26 14:50:45 -05:00
Thomas Harte
030dda34f0 Start poking at implementation. 2024-02-26 14:30:26 -05:00
Thomas Harte
481b6d0e69 Sketch out some status flags. 2024-02-25 22:01:51 -05:00
Thomas Harte
56a5df3783 Do the least possible manual test. 2024-02-22 10:48:19 -05:00
Thomas Harte
d205e538e1 Accept the C++ I'm in; clarify and simplify interface. 2024-02-22 10:16:54 -05:00
Thomas Harte
f9cbec668b Add empty shell for tests. 2024-02-21 15:43:24 -05:00
Ryan Carsten Schmidt
d811501421 Compatibility fixes in Markdown files. 
Improve compatibility with some Markdown readers like MacDown by adding
blank lines before lists. Blank lines around headers were added for
consistency. One header level was fixed. One code block was fixed.
 2024-01-27 13:24:35 -06:00
Thomas Harte
a3d37640aa Switch include guards to #pragma once. 2024-01-16 23:34:46 -05:00
Thomas Harte
177e741bca Fix test. 2024-01-09 21:19:44 -05:00
Thomas Harte
cf00a709ec Be consistent in shadowing physical addresses. 2024-01-03 15:02:54 -05:00
Thomas Harte
bbaaa520c8 Eliminate MemoryMap access macros, fix tests target. 2024-01-03 13:21:39 -05:00
Thomas Harte
3e328bed61 Be overt about jump size, albeit without internal rigour. 2023-12-24 14:11:41 -05:00
Thomas Harte
85f814c632 Attempt to build fixed operations into type. 
This simplifies callees and should make all helper functions automatically able to optimise themselves for fixed operations.
 2023-12-21 23:08:18 -05:00
Thomas Harte
160fec2439 Eliminate trace. 2023-12-21 15:31:09 -05:00
Thomas Harte
faaa89bb67 Eliminate all reference to EmuTOS. 2023-12-21 15:28:45 -05:00
Thomas Harte
3b84299a05 Edge closer to PCCompatible doing _something_. 2023-11-15 15:58:49 -05:00
Thomas Harte
a22ac2f88b Move towards privacy. 2023-11-14 11:39:44 -05:00