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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
cb0e259339 Start the process of decoding 68020 operations. 2022-10-21 15:28:29 -04:00
Thomas Harte
9be9e1ab0c Use built-in install build trigger. 2022-10-21 15:28:11 -04:00
Thomas Harte
149c940a29
Merge pull request #1097 from TomHarte/Templates 
Tidy up 68000, primarily switching from macros to templates.
 2022-10-19 22:31:28 -04:00
Thomas Harte
ec728ad573 Fix ADD/SUBX carry. 2022-10-19 22:17:51 -04:00
Thomas Harte
df7f94f362 Include MacintoshVolume in test build. 2022-10-19 14:41:08 -04:00
Thomas Harte
bc9ddacb8d Improve commentary. 2022-10-19 14:40:29 -04:00
Thomas Harte
979bf42541 Fix ASL overflow test. 2022-10-18 22:43:17 -04:00
Thomas Harte
d09473b66f Move common negative and zero logic into Status. 2022-10-18 14:51:51 -04:00
Thomas Harte
b31b4a5d10 Reformulate NOT in terms of EOR, and clean up elsewhere. 2022-10-18 12:17:55 -04:00
Thomas Harte
5560a0ed39 Fix overflow test for ASL. 2022-10-18 11:47:36 -04:00
Thomas Harte
a1ae7c28b2 Add various insurances against undefined behaviour. 2022-10-18 11:30:40 -04:00
Thomas Harte
a364499d17 Revert inadvertent commits. 2022-10-17 23:15:45 -04:00
Thomas Harte
fb2b7969a2 Add TODO to self on undefined behaviour. 2022-10-17 23:14:14 -04:00
Thomas Harte
abb19e6670 Populate carry whenever count != 0, regardless of modulo. 2022-10-17 22:57:21 -04:00
Thomas Harte
555250dbd9 Don't trample on X before use. 2022-10-17 22:19:35 -04:00
Thomas Harte
8148397f62 Fill in comments, eliminate u/s_extend16 macros. 2022-10-17 15:37:13 -04:00
Thomas Harte
f095bba1ca Eliminate bitwise macros. 2022-10-17 15:21:54 -04:00
Thomas Harte
ee3a3df0b5 Eliminate SBCD macro. 2022-10-17 15:12:38 -04:00
Thomas Harte
aff1caed15 Clean up formatting. 2022-10-17 15:05:23 -04:00
Thomas Harte
da03cd58c1 Add overt casting. 2022-10-17 15:04:28 -04:00
Thomas Harte
ce98ca4bdd Pull RO[L/R][X]m out of their macro stupor. 2022-10-17 11:27:04 -04:00
Thomas Harte
cc55f0586d Clean up ASL/ASR/LSL/LSRm. 2022-10-17 11:18:10 -04:00
Thomas Harte
47e8f3c0f1 Collapse [A/L]S[L/R].[bwl] into a template. 2022-10-16 22:21:20 -04:00
Thomas Harte
d5ceb934d2 Fix overflow flags, avoid bigger-word usage. 2022-10-16 21:52:00 -04:00
Thomas Harte
17c1e51231 Commute ROL/ROR to templates. 2022-10-16 12:19:09 -04:00
Thomas Harte
fee072b404 Commute ROXL and ROXR into a template. 2022-10-16 12:06:28 -04:00
Thomas Harte
0a9c392371 Remove unused bit_count. 2022-10-13 15:01:06 -04:00
Thomas Harte
06dbb7167b Unify TST. 2022-10-11 21:31:14 -04:00
Thomas Harte
eff9a09b9f Collapse MOVE and NEG[X] similarities. 2022-10-11 21:27:18 -04:00
Thomas Harte
1f19141746 Eliminate BiggerInt. 2022-10-11 16:19:47 -04:00
Thomas Harte
28093196b9 Convert DIVU/DIVS logic to a template. 2022-10-11 16:16:53 -04:00
Thomas Harte
eb206a08d9 Templatise MULU/MULS. 2022-10-11 16:02:20 -04:00
Thomas Harte
b2f005da1b Collapse SR/CCR bitwise operations into a template. 2022-10-11 15:53:11 -04:00
Thomas Harte
8305a3b46a Consolidate compare logic. 2022-10-11 12:57:02 -04:00
Thomas Harte
f3f23f90a3 Consolidate repetition in CLR. 2022-10-11 11:22:34 -04:00
Thomas Harte
77bc60bf86 Consolidate BCLR, BCHG and BSET into a macro. 2022-10-11 10:47:55 -04:00
Thomas Harte
ec5d57fefe Eliminate 64-bit work. 2022-10-11 10:33:28 -04:00
Thomas Harte
58396f0c52 Perform a prima facie conversion of ADD/SUB[/X] from macros to templates. 2022-10-10 22:21:13 -04:00
Thomas Harte
c0377f074f
Merge pull request #1095 from TomHarte/XcodeUpdate 
macOS: enable dead code stripping; allow Xcode 14 to tag.
 2022-09-16 22:05:16 -04:00
Thomas Harte
4d3221fc55 Enable dead code stripping; allow Xcode 14 to tag. 2022-09-16 19:53:36 -04:00
Thomas Harte
59388230a6 Record new macOS version number. 2022-09-16 16:14:59 -04:00
Thomas Harte
1ba4363802
Merge pull request #1094 from TomHarte/AppleIIDecoding 
Resolve off-by-one error in Apple II sector decoding.
 2022-09-16 16:04:00 -04:00
Thomas Harte
d17fadbe0b Avoid off-by-one error in sector decoding. 
Specific issue: retaining the 256 bytes up to _and including_ the checksum, rather than excluding.
 2022-09-16 15:47:38 -04:00
Thomas Harte
9cba56237d Upgrade to constexpr. 2022-09-16 15:46:09 -04:00
Thomas Harte
ea9411b21c Breakup line, for easier debugging. 2022-09-16 15:43:23 -04:00
Thomas Harte
38e85a340a
Merge pull request #1085 from TomHarte/AppleIISCSI 
Support SCSI drives on the Apple II
 2022-09-15 16:52:45 -04:00
Thomas Harte
fea8fecf11 Continue DMA requests if writing, even after a phase mismatch. 2022-09-15 16:46:22 -04:00
Thomas Harte
c4091a4cdb Fix address mapping, implement write. 2022-09-15 16:39:19 -04:00
Thomas Harte
d826532031 Read proper file contents. 2022-09-15 16:34:20 -04:00