Thomas Harte
36a4629ce0
Explain new semantics.
2023-11-27 21:49:57 -05:00
Thomas Harte
5c7f94d2ef
Introduce the possibility of operation type as a template parameter.
...
It's already proven possible to provide this for instruction fetch, so I think it'll immediately be a win. But more importantly it opens a path forwards for further improvement.
2023-11-27 11:48:34 -05:00
Thomas Harte
e46e42d896
This is the same test either way around.
2023-10-09 16:47:02 -04:00
Thomas Harte
1cb26cb141
Pull add/sub distinction into templates.
2023-10-09 16:40:50 -04:00
Thomas Harte
873b1122ab
Correct SHA, SHX, SHY, SHS when page boundary crossed.
2023-09-21 15:31:04 -04:00
Thomas Harte
74b5ad93c4
Don't necessarily apply D for ARR.
2023-09-20 10:17:00 -04:00
Thomas Harte
43dfb729d3
Explain even better.
2023-09-02 14:45:53 -04:00
Thomas Harte
543be49cf8
Merge branch 'master' into 65C02BCDTest
2023-09-01 16:39:18 -04:00
Thomas Harte
1fb278c9f1
Fix abs,x NOP length.
2023-09-01 14:31:21 -04:00
Thomas Harte
19ec63b4fb
Add exposition, slightly simplify, unbreak INS.
2023-09-01 09:29:35 -04:00
Thomas Harte
4d6ffa7a2e
With some degree of hit and hope, correct 65C02 results.
2023-08-31 15:28:59 -04:00
Thomas Harte
39ee75d94a
Clean up decimal SBC implementation.
2023-08-31 15:02:17 -04:00
Thomas Harte
13be247495
Comment.
2023-08-30 23:08:42 -04:00
Thomas Harte
cdcac7c11c
Simplify top nibble handling.
2023-08-30 23:07:54 -04:00
Thomas Harte
67cd5dd63b
Simplify top nibble decision.
2023-08-30 23:06:00 -04:00
Thomas Harte
139a1a2acc
Clean up decimal ADC.
2023-08-30 23:04:38 -04:00
Thomas Harte
5dae726857
Differentiate non-fetching and fetching NOPs.
2023-08-29 16:50:39 -04:00
Thomas Harte
7815d18676
Merge branch 'master' into 65816StackAgain
2023-08-19 15:55:45 -04:00
Thomas Harte
ca75822dbe
Fix restart_operation_fetch.
2023-08-17 15:42:34 -04:00
Thomas Harte
d9df568dab
Add faulty restart_operation_fetch.
2023-08-17 15:38:28 -04:00
Thomas Harte
26343148ae
Use simplified control lines when appropriate.
2023-08-17 15:32:02 -04:00
Thomas Harte
fd0fe66851
Omit unsupported registers and flags.
2023-08-17 15:24:08 -04:00
Thomas Harte
833613b68a
Fix S top byte overwrite.
2023-08-17 14:50:55 -04:00
Thomas Harte
42024c1573
Don't allow setting of an invalid S.
2023-08-07 09:19:20 -04:00
Thomas Harte
54103f1f34
Fix SH=1 reset; appropriate TCS.
2023-08-05 15:06:18 -04:00
Thomas Harte
c0eb401d04
Add a between-instructions enforcement of SH = 1.
2023-08-05 14:57:43 -04:00
Thomas Harte
2262725010
Reveal 16-bit stack pointer when asked, regardless of mode.
2023-07-31 17:08:02 -04:00
Thomas Harte
e61a4eb5a9
Regularise PHD and PLD.
2023-07-30 16:36:29 -04:00
Thomas Harte
acd7f9f4cd
Fix stack usage of JSL.
2023-07-30 16:34:42 -04:00
Thomas Harte
9f1a657cc4
Fix stack usage of PEA.
2023-07-30 16:33:44 -04:00
Thomas Harte
e52d1866ab
Fix PEI stack usage.
2023-07-30 16:32:56 -04:00
Thomas Harte
a02b8222fa
Fix stack usage of PER.
2023-07-30 16:29:56 -04:00
Thomas Harte
3762ee1a63
Fix stack usage of PHD.
2023-07-30 16:29:15 -04:00
Thomas Harte
3ec61e8770
Fix stack usage of RTL.
2023-07-30 16:27:13 -04:00
Thomas Harte
2f7dd0b01a
Correct stack behaviour of PLD.
2023-07-30 16:26:29 -04:00
Thomas Harte
3a02c22072
Provide an always-16bit-address route to the stack.
2023-07-30 16:25:51 -04:00
Thomas Harte
0f1468adfd
Correct wrapping behaviour for (d, x).
2023-07-28 13:39:21 -04:00
Thomas Harte
e9347168e6
Don't alter the data bank upon BRK, COP, IRQ, etc.
2023-07-28 10:53:02 -04:00
Thomas Harte
8578dfbf22
Eliminate various other errant spaces.
2023-05-16 16:40:09 -04:00
Thomas Harte
a1a7c0e253
Apply maybe_unused judiciously.
2023-05-15 10:17:04 -04:00
Thomas Harte
50343dec43
Eliminate all whitespace-only lines.
2023-05-12 14:16:39 -04:00
Thomas Harte
28c79b2885
Eliminate redundant [space][tab] pairs.
2023-05-12 14:14:45 -04:00
Thomas Harte
f6acee18cc
Eliminate type-in-function-name from 6502-world.
2023-05-10 18:53:38 -05:00
Thomas Harte
3af30b1fec
Update documentation.
2023-05-10 18:46:46 -05:00
Thomas Harte
a8cc74f9fe
Further eliminate naming.
2023-05-10 18:46:21 -05:00
Thomas Harte
10cd2a36cf
Avoid type-in-function-name, Z80 edition.
2023-05-10 18:42:19 -05:00
Thomas Harte
809cd7bca9
Remove the 68000's Mk2 suffix.
2023-05-10 17:13:01 -05:00
Thomas Harte
e56db3c4e5
Eliminate the old 68000 implementation.
2023-05-10 17:06:27 -05:00
Thomas Harte
2b56b7be0d
Simplify namespace syntax.
2023-05-10 16:02:18 -05:00
Thomas Harte
ed2d4ebb0c
Fix test (and commentary) for shortened emulated branches.
2023-04-15 23:30:30 -04:00