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585 commits

Author SHA1 Message Date
Joshua Fern
f2029d71d8 Update copyright dates to 2020 2020-03-07 00:18:01 +01:00
Patryk Obara
e9d18387b7 Fix format warnings in cpu (dyn_fpu_esc3) 2020-03-01 21:23:04 +01:00
Patryk Obara
7f0d07fd1b Fix format warnings in cpu (dh_fpu_esc3) 2020-03-01 21:23:04 +01:00
Patryk Obara
5e41eaf150 Merge branch 'svn/trunk' r4333 
Conflict resolutions required some algorithm adjustments.
 2020-02-25 11:11:00 +01:00
Peter Veenstra
5afd7057f3 Optimize xchg a bit. (jmarsh) 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@4333
 2020-02-24 20:02:58 +00:00
Patryk Obara
7677511aa3 Initialize imm variable 
This is a small issue pointed out by Coverity; this variable might be
later used uninitialized in several places.

Making this change to test if Coverity updates report summary only after
the numbers actually changed (we just had fresh scan, but Coverity keeps
showing summary from few days ago).
 2020-02-10 03:23:54 +01:00
Patryk Obara
e7b8d546a4 Remove usage of register storage specifier 
This keywords is only a hint, was used in C in 1970s, but is useless
nowadays. Some reports indicate, that GCC never used it to actually
treat variable as a register.

It was deprecated from C++ in 2009:

http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4193.html#809

It was removed from language in C++17, and will likely see new meaning
in some future standard, similar to how 'auto' got replaced in C++11.
 2020-02-02 15:16:29 +01:00
krcroft
df9fac4e61 Fix NULL issues in CPU emulation code 2020-01-22 09:40:00 +01:00
Patryk Obara
02414201e1 Remove unused functions in cpu area 
Latest change from upstream made removed last usage of these functions.

Only ifdef-out them, in case future versions in upstream will use these
functions again.
 2019-12-29 22:43:07 +01:00
Patryk Obara
f2601b274f Merge branch 'svn/trunk' r4302 2019-12-29 22:33:33 +01:00
Peter Veenstra
19b9bde38a Fix xcmpchg in dyn_x86 core. Allows Quickview to work in that core; reported by krcroft. Fixed/patch by jmarsh. Thanks! 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@4302
 2019-12-29 19:53:09 +00:00
Patryk Obara
61511a4bdf Merge branch 'svn/trunk' r4301 2019-12-10 15:27:14 +01:00
Peter Veenstra
77a46559a6 Additional refinements and speed ups. Thanks jmarsh! 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@4301
 2019-12-10 14:07:20 +00:00
Patryk Obara
4add527371 Fix wrong function name in the exception log 
Bug report: https://sourceforge.net/p/dosbox/bugs/518/
 2019-12-04 06:11:01 +01:00
Patryk Obara
cdc193170c Merge branch 'svn/trunk' r4293 2019-11-21 20:53:21 +01:00
Peter Veenstra
8cb2e08f31 Refinements of commit 4291, so that precission can be specified as well and less fixed defines are used 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@4292
 2019-11-19 16:16:06 +00:00
Peter Veenstra
01fe58047e Try to solve the Bitu formatting warning on all supported platforms (both 32 and 64 bit). Did a few places. Still a lot to go. Changed default display of Bitu to be unsigned instead of signed. 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@4291
 2019-11-18 21:08:57 +00:00
Patryk Obara
ea06a145b6 Fix several printf format warnings 2019-11-16 04:31:19 +01:00
Patryk Obara
8824504474 Silence several sometimes-uninitialized warnings 
GCC compiler reports these as:

warning: variable (…) is used uninitialized whenever switch default
is taken
 2019-11-16 04:31:19 +01:00
Patryk Obara
97ded39c2e Remove unused variable 2019-11-16 04:31:19 +01:00
Patryk Obara
d63849ea72 Remove unused function 2019-11-16 04:31:19 +01:00
Patryk Obara
41126f8ff9 Fix unused-function warning 
This function is used only inside x86 ifdef, so move it to prevent the
warning. Also, use this opportunity to improve readability a bit.
 2019-11-16 04:31:19 +01:00
Patryk Obara
ce1deb1516 Silence a number of switch warnings 
Avoid "default" case when only 1-2 enumarations are missing.
 2019-11-16 04:31:19 +01:00
Patryk Obara
4a01b6a00d Prevent potential null pointer dereference 
This null-check resolves a potential issue detected by static analysis.

It might be the case, that crash never happens due to the way this
static function is used at the moment, and because DYNFLG_CHANGED is being
cleared in dnew->genreg->Clear() few lines before, but the crash might
still happen if initial state of flags is inconsistent or surrounding
code will be changed even a little bit.

This nullcheck makes the code more robust at no performance penalty.
 2019-11-02 19:29:03 +01:00
Patryk Obara
9099f0620e Merge branch 'svn/trunk' 2019-10-20 07:15:43 +02:00
Peter Veenstra
5b690f936a fix externals. 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@4274
 2019-10-19 20:08:46 +00:00
Patryk Obara
acbef2169d Merge branch 'svn/trunk' 2019-10-17 18:36:45 +02:00
Peter Veenstra
6ac1bcf9e7 Fix boundary checks for word/dword memory access. Speeds up dynamic 32 bit core a bit (thanks jmarsh). 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@4272
 2019-10-16 14:20:00 +00:00
Patryk Obara
e4044f7d8d Merge branch 'svn/trunk' 2019-10-10 18:43:08 +02:00
Peter Veenstra
26a9f75b50 A little cleanup and small speed up (jmarsh) 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@4271
 2019-10-10 15:54:19 +00:00
Patryk Obara
a4a6bed5c1 Merge branch 'svn/trunk' 2019-10-01 18:11:50 +02:00
Peter Veenstra
6243fa9711 Some more cleanups and memleak fixes. 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@4265
 2019-10-01 13:05:08 +00:00
Patryk Obara
08925b24a4 Merge branch 'svn/trunk' 2019-09-30 22:21:21 +02:00
Peter Veenstra
fe177b4136 Add 64-bit support to dynamic_x86 core from vogons topic 67673. Thanks jmarsh! 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@4260
 2019-09-30 18:30:11 +00:00
Patryk Obara
b62a637157 Import svn:ignore props to .gitignore files 2019-09-15 20:34:57 +02:00
Sjoerd van der Berg
bca40f5561 Fix flag behaviour of several shift/rotate instructions, cause exceptions and fix potention 'pop ss' problems 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@4256
 2019-09-08 12:42:21 +00:00
Peter Veenstra
05f15ac4c0 Correct a little bug that caused graphics corruption in win95 with s3 driver. (jmarsh) 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@4252
 2019-06-30 11:31:09 +00:00
Peter Veenstra
5888c05dd1 Add some missing va_ends. Reported by jmarsh 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@4227
 2019-05-23 12:51:10 +00:00
Peter Veenstra
fa8b4c5d00 Move all stack alignment operations into one place and some optimalisations (thanks jmarsh) 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@4226
 2019-05-20 19:10:56 +00:00
Peter Veenstra
2aaa951fd4 Rewrite pop_ev so it can trigger pagefaults again. Fixes win3.11. (jmarsh) 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@4219
 2019-04-26 14:06:11 +00:00
ripsaw8080
bbea47d541 Let dynamic core recompile interrupt instructions in non-debug builds. Can help software with many INTs, such as compiled BASIC, run faster. 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@4213
 2019-04-20 22:43:36 +00:00
Peter Veenstra
5c8e9264d1 stop storing raw modrm value, as it isn't used any more. Should save an instruction on each get_modrm call. 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@4208
 2019-04-19 17:07:26 +00:00
Peter Veenstra
ea4dd721b5 use decoded modrm instead of raw value. so we don't need to store it. 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@4207
 2019-04-19 17:05:47 +00:00
Peter Veenstra
dc6a76d354 Store whether generated code is 16 or 32 bit, so this information can be used when checking for self modifying code. Some code is identical except for being 32 or 16 bit. Fixes some hard to reproduce problems (with small codeblocks). Thanks jmarsh! 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@4206
 2019-04-19 12:16:14 +00:00
ripsaw8080
3978e05909 Improve prefetch and simple cores to not switch to normal core on trap execution. Fixes the demo version of Prehistorik 2 and similar cases that use the trap flag and prefetch tricks. Thanks NewRisingSun. 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@4201
 2019-04-01 22:06:11 +00:00
ripsaw8080
64d25c4be4 Acknowledge mouse interrupt before entering user routine; fixes sound stutter during mouse movement in Eye of the Beholder III and Casino Tournament of Champions. Clear button counters in the mouse driver reset function; prevents unintended skipping of intro in MechWarrior and others. 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@4188
 2019-02-04 15:15:58 +00:00
Peter Veenstra
1fbaff47fc Update year and address of FSF 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@4183
 2019-01-25 14:09:58 +00:00
Peter Veenstra
1960a815e1 Improvements for compiling dynrec core in 64 bit mode on windows. Thanks for the help PgrAm and kjliew. 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@4171
 2018-11-16 12:40:37 +00:00
Peter Veenstra
2f09b52de8 Fix typos reported by lintian and change DosBox to DOSBox. 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@4161
 2018-09-14 19:53:55 +00:00
Peter Veenstra
823242560c Commit fix by M-HT. 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@4119
 2018-06-14 21:06:50 +00:00