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8,769 Commits 10 Branches 121 Tags 500 MiB
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254 Commits

Author SHA1 Message Date
Thomas Harte
4eb752b000 Even out tabs. 2022-04-15 20:41:39 -04:00
Thomas Harte
bfb29a58f3 Take another crack at neatness; make LEA overt. 2022-04-15 20:33:59 -04:00
Thomas Harte
f86e455a87 Advance permissively through the 4xxx page to LEA. 2022-04-15 16:01:33 -04:00
Thomas Harte
faa35fe9fc Decode MOVE and the fixed 0x4xxx set. 2022-04-15 15:40:31 -04:00
Thomas Harte
89b8b59658 Ostensibly completes the 0 line. 2022-04-15 15:33:54 -04:00
Thomas Harte
de55a1adc4 Require a model for decoding; shift a bunch of immediates into ExtendedOperation. 2022-04-15 09:40:37 -04:00
Thomas Harte
d1613025ee For now, assume the .q actions can be handled inside Preinstruction. 2022-04-13 09:29:12 -04:00
Thomas Harte
cc4431c409 Expand decode to accept a wider array of operations, and then funnel them down. 2022-04-12 16:17:30 -04:00
Thomas Harte
3d5986c55d Some minor style changes, plus I think I've talked myself into an expanded Operation-tracking enum. Probably. 2022-04-12 14:54:11 -04:00
Thomas Harte
9aeb6ee532 Formally prepare for one- and two-operand instructions. 2022-04-12 09:14:46 -04:00
Thomas Harte
e7f6cc598d Make first attempt to complete broad phase of decoding. 2022-04-12 09:08:46 -04:00
Thomas Harte
cd465dd121 Decode page E. 2022-04-12 09:04:40 -04:00
Thomas Harte
174b48a14a Populate lines 9 and D. 2022-04-12 08:57:40 -04:00
Thomas Harte
bca18e7aba Fill in line decoders for 5, 6 and 7. 
This leaves 9, D and E to go.
 2022-04-12 08:44:32 -04:00
Thomas Harte
17e761d6c6 Add enough code to pages 0–3 to shift problem to decode(). 2022-04-12 08:36:44 -04:00
Thomas Harte
c50556dde4 Create empty line decoders. 2022-04-12 08:16:29 -04:00
Thomas Harte
dd5bdd67d7 Add B page and a large chunk of 4. 2022-04-12 07:49:08 -04:00
Thomas Harte
21ac9363e9 Add page 8. 2022-04-11 16:32:57 -04:00
Thomas Harte
8e3cccf4d6 Begins a formalised 68k decoder. 2022-04-11 15:00:55 -04:00
Thomas Harte
bb5cf570e5 Remove conditional, make generic enough for both 32- and 64-bit operation. 2022-04-10 15:18:23 -04:00
Thomas Harte
7002d6d306 Improve accuracy of comment. 2022-04-10 09:37:18 -04:00
Thomas Harte
1b8d8f3a04 Default to 32-bit versions. 2022-04-10 09:35:58 -04:00
Thomas Harte
284440336d Correct rotate_mask(). 2022-04-10 09:31:39 -04:00
Thomas Harte
140ae7a513 Clarify template parameters. 2022-04-10 08:57:09 -04:00
Thomas Harte
7de50b5e2e Provide 64-bit me, mb and sh. Add direct getter for rotate masks. 2022-04-09 21:08:01 -04:00
Thomas Harte
4652a84b43 Add exposition. 2022-04-09 19:20:13 -04:00
Thomas Harte
9e0755bc86 Introduce overlooked: ld, ldu, rldclx, rldcrx, rldicx, rldiclx, rldicrx, rldimix. 2022-04-09 18:28:51 -04:00
Thomas Harte
da0f7d7907 Rearrange into alphabetical order. 2022-04-09 10:20:03 -04:00
Thomas Harte
88d72bf31d Fill in more mnemonics. 2022-04-08 10:01:52 -04:00
Thomas Harte
aac2f7dd73 Add missing validations. 2022-04-08 09:47:04 -04:00
Thomas Harte
1f44ad1723 Completes test cases. 2022-04-06 21:09:58 -04:00
Thomas Harte
4ab1857a11 Complete MPC601 commentary. 2022-04-06 20:53:44 -04:00
Thomas Harte
d23c714ec7 Build in an optional post hoc validation. 
TODO: validate.
 2022-04-05 11:23:54 -04:00
Thomas Harte
59a1fde2a1 Fix is_zero_mask. 2022-04-03 20:37:09 -04:00
Thomas Harte
31276de5c3 Complete 'misc instructions' tests. 2022-04-03 20:33:32 -04:00
Thomas Harte
c581aef11d Test as far as mffs. 2022-04-03 18:29:40 -04:00
Thomas Harte
7f6a955a71 Complete the cmp set. 2022-04-03 15:50:03 -04:00
Thomas Harte
125d97cc41 Complete floating point tests. 2022-04-03 08:55:28 -04:00
Thomas Harte
de7d9ba471 Add further floating point tests. 2022-04-03 08:06:59 -04:00
Thomas Harte
ad54b44235 Begin documentation and testing of the floating point instructions. 2022-04-02 19:58:21 -04:00
Thomas Harte
42532ec0f5 Test floating point loads and stores. 2022-04-02 15:40:17 -04:00
Thomas Harte
b84fa619da Test integer loads and stores. 2022-04-02 15:27:12 -04:00
Thomas Harte
8a1409184f Add decoding of lwa. 2022-04-02 10:31:55 -04:00
Thomas Harte
8a3c16a5bc Add lwa. 2022-04-02 10:26:47 -04:00
Thomas Harte
6343c65ce2 Document further; mftb is optional. 2022-04-02 10:09:58 -04:00
Thomas Harte
d5967f7834 Correct decoding of stwcx. and stdcx. 2022-04-01 20:37:36 -04:00
Thomas Harte
d5f7650ac1 Test synchronising loads and stores, further expand documentation. 2022-04-01 18:30:48 -04:00
Thomas Harte
8f580c256c Remove explanations; saying nothing is better than giving incomplete advice. 2022-04-01 17:49:34 -04:00
Thomas Harte
7c8f044380 Complete shift tests. 2022-04-01 17:22:32 -04:00
Thomas Harte
8efd506471 Transcribe up to the end of 'e', use extswx and remove extsw. 2022-04-01 17:11:57 -04:00