6502/CLK
1
0
Fork 0
mirror of https://github.com/TomHarte/CLK.git synced 2024-12-11 15:49:38 +00:00
Code Issues Projects Releases Wiki Activity
9,767 Commits 10 Branches 121 Tags 499 MiB
c8a82933bc
Commit Graph

162 Commits

Author SHA1 Message Date
Thomas Harte
9a56d053f8 Introduce/extend 68k enums to cover 68020 instruction set. 2022-10-22 15:20:30 -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
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
dc8103ea82 Fix return address following a STOP. 2022-06-16 15:10:35 -04:00
Thomas Harte
12b058867e Correct very minor typo. 2022-06-15 19:34:54 -04:00
Thomas Harte
62fa0991ed Disallow copying, add some basic asserts. 2022-06-15 19:34:43 -04:00
Thomas Harte
24823233ff Add spurious interrupt support. 2022-06-15 11:00:27 -04:00
Thomas Harte
bd056973ba Don't allow STOP state to block execution. 2022-06-15 10:56:45 -04:00
Thomas Harte
5420fd5aa3 Fix: new status word is still in prefetch. 2022-06-15 10:54:34 -04:00
Thomas Harte
93615f6647 Apply new status before entering STOP loop. 2022-06-15 10:50:03 -04:00
Thomas Harte
0ace9634ce Fix MOVEA. 2022-06-14 21:56:48 -04:00
Thomas Harte
48d51759cd At huge copy-and-paste cost, fix MOVE.l. 2022-06-14 21:22:28 -04:00
Thomas Harte
bfd0b683bf Extend MOVE.b fix to cover MOVE.w. 2022-06-14 17:04:11 -04:00
Thomas Harte
61e0f60e94 Add specialised MOVE.b to correct bus sequencing. 
This is a bit of a trial balloon; .w and .l to come.
 2022-06-13 21:49:00 -04:00
Thomas Harte
7fa715e37a Provide more thorough documentation. 2022-06-13 15:27:23 -04:00
Thomas Harte
e066546c13 Resolve PEA timing errors. 2022-06-13 14:08:42 -04:00
Thomas Harte
4a75691005 Avoid double conditional for CalcEffectiveAddressIdleFor8bitDisplacementAndPreDec. 2022-06-13 10:27:22 -04:00
Thomas Harte
8ada73b283 Use the outer switch for addressing mode dispatch, saving a lot of syntax. 2022-06-13 08:57:49 -04:00
Thomas Harte
2a9a05785c Bus and address error don't affect interrupt level. 2022-06-11 21:10:24 -04:00
Thomas Harte
c3345dd839 Fix MOVEM timing. 2022-06-10 21:52:07 -04:00
Thomas Harte
aec4bf9d45 Correct TAS timing. 2022-06-10 15:57:35 -04:00
Thomas Harte
f8643a62e6 Change RTE and RTR read order. 2022-06-09 21:47:28 -04:00
Thomas Harte
64053d697f Take improved guess at address error stacking order. 2022-06-09 16:17:09 -04:00
Thomas Harte
da8e6737c6 Fix standard exception stack write order. 2022-06-08 16:15:11 -04:00
Thomas Harte
ab35016aae Clear any time debt upon phoney reset. 2022-06-08 15:12:32 -04:00
Thomas Harte
079c3fd263 Abort address error-causing exceptions before they begin. 2022-06-08 14:43:31 -04:00
Thomas Harte
8cbf929671 Don't duplicate work that the RESET program already does. 2022-06-08 11:42:56 -04:00
Thomas Harte
9009645cea Add 'reset' functions. 2022-06-07 16:55:39 -04:00
Thomas Harte
a4baa33e2f Ensure RTE triggers a stack pointer change if needed. 2022-06-06 16:08:50 -04:00
Thomas Harte
cfafbfd141 Fix interrupt acknowledge cycle: signals and data size. 2022-06-04 21:23:57 -04:00
Thomas Harte
542126194a Capture interrupt input at the end of an access cycle, not the beginning. 
All still a guess.
 2022-06-03 15:39:53 -04:00
Thomas Harte
02b6ea6c46 Factor out would-accept-interrupt test, per uncertainty re: level 7. 2022-06-03 08:31:56 -04:00
Thomas Harte
6fcaf3571e Fix bus/address error exception frame: order and contents. 2022-06-03 08:27:49 -04:00
Thomas Harte
f8e933438e Add missing tail cost. 2022-06-02 12:26:25 -04:00
Thomas Harte
2bd20446bb Merge branch '68000Mk2' of github.com:TomHarte/CLK into 68000Mk2 2022-06-02 05:39:32 -04:00
Thomas Harte
659e4f6987 Include fixed cost of rolls. Which includes providing slightly more information to did_shift. 2022-06-01 20:30:51 -04:00
Thomas Harte
cd5f3c90c2 Ensure proper resumption after a forced exit in will_perform. 2022-06-01 15:27:09 -04:00
Thomas Harte
91a6911a51 Correct ADDA/SUBA timing. 2022-06-01 15:03:03 -04:00
Thomas Harte
0857dd0ae5 Include fixed base cost in MULU and MULS. 2022-06-01 14:05:23 -04:00
Thomas Harte
62ed1ca2fd Fix MOVE CCR permissions. 2022-06-01 09:22:47 -04:00
Thomas Harte
d1298c8863 Correct MOVE timing without breaking PEA, LEA, etc. 2022-06-01 09:06:08 -04:00
Thomas Harte
75e85b80aa Factor out the common stuff of exception state. 2022-06-01 08:20:33 -04:00
Thomas Harte
d6f72d9862 Avoid runtime checking of instruction supervisor requirements. 2022-05-29 14:56:44 -04:00
Thomas Harte
dbf7909b85 Fix timing of CMPM. 2022-05-29 14:49:42 -04:00
Thomas Harte
57aa8d2f17 Correct timing of ADDQ. 2022-05-29 14:34:06 -04:00