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10,270 Commits 7 Branches 121 Tags 500 MiB
c0eb401d04
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1203 Commits

Author SHA1 Message Date
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
Thomas Harte
107cb18df4 Fix perceives S in emulated stack-relative mode. 2023-04-14 00:04:44 -04:00
Thomas Harte
9a56d053f8 Introduce/extend 68k enums to cover 68020 instruction set. 2022-10-22 15:20:30 -04:00
Thomas Harte
98d3da62b5 Apply E mode wrap for d,x and d,y only when DL = 0. 2022-09-09 16:02:35 -04:00
Thomas Harte
45dc99fb9d Further improve exposition. 2022-09-09 15:48:25 -04:00
Thomas Harte
1a7509e860 Properly announce ::SameAddress. 2022-09-05 22:26:45 -04:00
Thomas Harte
93c1f7fc90 Include prefetch in 68000 state. 2022-09-05 22:00:04 -04:00
Thomas Harte
cce449ba8f Merge branch 'master' into EventDriven 2022-07-12 15:06:52 -04:00
Thomas Harte
4ddbf095f3 Fully banish flush from the processors. 2022-07-12 10:49:53 -04:00
Thomas Harte
3a2d27a636 Correct for switched BRK presumption. 2022-07-08 11:15:48 -04:00
Thomas Harte
a5b7ef5498 Further compact list of potential switch targets. 2022-06-30 08:31:51 -04:00
Thomas Harte
11305c2e6b Eliminate large gap in case values. 2022-06-29 21:40:48 -04:00
Thomas Harte
b1d8a45339 Just disable the diagnostic. 2022-06-29 21:13:00 -04:00
Thomas Harte
c133f80c73 Try a compiler-specific attribute. 2022-06-29 19:20:44 -04:00
Thomas Harte
58b04cdfa4 Switch to an alternative form of avoiding unused goto warnings. 2022-06-29 19:08:41 -04:00
Thomas Harte
c2938a4f63 Avoid potential classic macro error with address. 2022-06-29 15:09:52 -04:00
Thomas Harte
e0ec3c986d Ensure appropriate data bus size. 2022-06-25 21:07:29 -04:00
Thomas Harte
fc1952bf42 Add an automatic bus size selector. 
This fixes the Jeek test.
 2022-06-25 16:28:06 -04:00
Thomas Harte
4467eb1c41 Ensure relevant throwaway stack reads use the previous stack address. 
TODO: can CycleFetchPreviousThrowaway be used more widely?
 2022-06-24 14:00:03 -04:00
Thomas Harte
1c1ce625a7 Vector reads signal VDA. 2022-06-24 10:37:39 -04:00
Thomas Harte
069a057a94 Resolve assumption of arithmetic shifts. 2022-06-24 07:26:07 -04:00
Thomas Harte
4ed3b21bf3 Decimal SBC tweak: negative partial results don't cause carry. 2022-06-23 21:58:09 -04:00
Thomas Harte
a23b0f5122 Map STA (d), y to correct calculator. 2022-06-23 20:57:47 -04:00
Thomas Harte
da552abf75 Fix BIT overflow flag. 2022-06-23 15:24:51 -04:00
Thomas Harte
380b5141fb Be overt about conversion wanted here. 2022-06-23 13:03:26 -04:00
Thomas Harte
66775b2c4e Always consume a second cycle in 16-bit mode. 2022-06-23 12:46:51 -04:00