bunnei
df728cb4c2
Merge pull request #355 from lioncash/simp
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armemu: Simplify some instructions.
2014-12-28 22:20:49 -05:00
bunnei
58cb62fe7b
armemu: Fix PKHTB to do an arithmetic shift and correctly decode immediate field.
2014-12-28 16:18:52 -05:00
Lioncash
6ce2a38ec4
armemu: Simplify SSAT/SSAT16/SXTB/SXTAB
2014-12-28 12:19:31 -05:00
Lioncash
9f5b53f9ff
armemu: Simplify REV/REV16/SXTH/SXTAH
2014-12-28 12:13:13 -05:00
bunnei
762f16c4ad
Merge pull request #354 from lioncash/usaduflow
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armemu: Fix underflows in USAD8/USADA8
2014-12-28 11:57:25 -05:00
Lioncash
914ecfe04f
armemu: Simplify USAT16/UXTB/UXTAB
2014-12-28 11:57:14 -05:00
Lioncash
5e16216afb
armemu: Simplify REVSH/UXTH/UXTAH
2014-12-28 11:57:09 -05:00
Lioncash
059c65a27a
armemu: Fix underflows in USAD8/USADA8
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Initially reported by xdec.
2014-12-28 06:09:43 -05:00
Lioncash
60523113a9
armemu: Implement UQADD8, UQADD16, UQSUB16, UQASX, and UQSAX
2014-12-27 17:06:19 -05:00
Lioncash
84a0438cf5
armemu: Implement UHADD8, UHADD16, UHSUB8, UHSUB16, UHASX, and UHSAX
2014-12-26 23:55:39 -05:00
bunnei
9c8ec675d9
Merge pull request #343 from lioncash/smmla
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armemu: Implement SMMUL, SMMLA, and SMMLS.
2014-12-25 21:57:31 -05:00
bunnei
254567056f
Merge pull request #341 from lioncash/moresmops
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armemu: Implement SMLALD/SMLSLD
2014-12-25 21:46:54 -05:00
Lioncash
35dbfc7ab0
armemu: Implement SMMUL, SMMLA, and SMMLS.
2014-12-25 13:52:46 -05:00
Lioncash
82c3962b95
armemu: Implement SMLALD/SMLSLD
2014-12-24 09:29:48 -05:00
Lioncash
6b7808e412
armemu: Fix GE/Q flag setting semantics
2014-12-24 07:56:57 -05:00
Lioncash
20fc5f2a35
armemu: Set the Q flag correctly for much of the other ops
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They were setting the old S flag.
2014-12-23 09:59:37 -05:00
Lioncash
79a7a432c5
armemu: Set the Q flag properly for SMLAD/SMUAD
2014-12-23 09:58:21 -05:00
bunnei
d31a94f06b
Merge pull request #334 from lioncash/cpsr
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armemu: Fix retrieval of the CPSR in MRS instructions.
2014-12-23 09:44:04 -05:00
Lioncash
6446331938
armemu: Properly set the Q flag for SSAT16/USAT16 upon saturation.
2014-12-22 23:52:05 -05:00
Lioncash
f66d356938
armemu: Fix SEL
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Needs to use the updated state of the CPSR.
2014-12-22 23:52:05 -05:00
Lioncash
8e2accd974
armemu: Fix construction of the CPSR
2014-12-22 23:51:59 -05:00
Lioncash
8c72322422
armemu: Fix retrieval of the CPSR in MRS instructions.
2014-12-22 21:44:03 -05:00
Lioncash
855eda6f85
armemu: Implement SADD8/SSUB8
2014-12-20 23:10:35 -05:00
bunnei
993afd3bf0
Merge pull request #310 from lioncash/ssat16
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armemu: Fix SSAT16.
2014-12-20 16:23:54 -05:00
Lioncash
2a097f0990
armemu: Should be using labs for USAD8/USADA8
2014-12-20 15:34:14 -05:00
bunnei
7095c4959b
Merge pull request #311 from lioncash/usada
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armemu: Implement USAD8 and USADA8
2014-12-20 15:21:25 -05:00
bunnei
52bc58283d
Merge pull request #313 from lioncash/smlsd
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armemu: Implement SMLSD
2014-12-20 15:18:52 -05:00
bunnei
1c50a036dd
Merge pull request #314 from lioncash/qsax-qasx
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armemu: Implement QASX and QSAX
2014-12-20 15:18:05 -05:00
bunnei
245abb4125
Merge pull request #294 from lioncash/var
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armemu: Narrow the scope of some variables in handle_v6_insn
2014-12-19 16:46:56 -05:00
bunnei
dc5d1a9061
Merge pull request #305 from lioncash/paren
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armemu: Get rid of bitwise parenthesis warnings
2014-12-19 16:46:36 -05:00
Lioncash
4b506cec01
armemu: Implement QASX and QSAX
2014-12-19 14:09:18 -05:00
Lioncash
0f3a6a161c
armemu: Implement SMLSD
2014-12-19 09:53:54 -05:00
Lioncash
00e8ec4a9e
armemu: Implement USAD8 and USADA8
2014-12-18 23:38:57 -05:00
Lioncash
92c53fe522
armemu: Fix SSAT16
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The lower-bound would never be negative like it should
2014-12-18 20:35:14 -05:00
Lioncash
b9fc0b4b80
armemu: Clean up naming and formatting for SSAT16
2014-12-18 20:34:22 -05:00
bunnei
24b5e87279
Merge pull request #304 from lioncash/sflags
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armemu: Set GE flags properly for SSUB16, SADD16, SSAX, and SASX.
2014-12-18 17:46:10 -05:00
Lioncash
e683f654ce
armemu: Fix lower-bounds clamping for USAT16
2014-12-18 16:54:01 -05:00
Lioncash
6b632bbe37
armemu: More concise names for USAT16-related variables
2014-12-18 14:25:07 -05:00
Lioncash
eaae0ad502
armemu: Get rid of bitwise parenthesis warnings
2014-12-18 12:07:18 -05:00
Lioncash
4dc8eb40be
armemu: Set GE flags correctly for SSUB16, SADD16, SSAX, and SASX.
2014-12-18 11:45:40 -05:00
bunnei
8ac22e7efc
Merge pull request #299 from lioncash/join
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Combine SSUB16, SADD16, SASX, and SSAX.
2014-12-18 10:04:31 -05:00
bunnei
797efbde1a
Merge pull request #298 from lioncash/flags
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armemu: Unset GE flags for UADD8 if results are < 0x100
2014-12-17 22:06:27 -05:00
bunnei
a968adf50e
Merge pull request #295 from lioncash/umaal
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armemu: Implement UMAAL
2014-12-17 21:44:13 -05:00
Lioncash
85c318078d
armemu: Combine SSUB16, SADD16, SASX, and SSAX.
2014-12-17 21:17:54 -05:00
bunnei
075126247f
Merge pull request #292 from lioncash/backports
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Backport more skyeye fixes from 3dmoo
2014-12-17 20:58:00 -05:00
Lioncash
41fee1c940
armemu: Unset GE flags for UADD8 if results are < 0x100
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Reference manual states these must be set to zero if this case is true.
2014-12-17 17:54:49 -05:00
Lioncash
58dc554733
armemu: Fix SSUB16
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Broken from the same reason SADD16 was.
The lo part of the result should only be constructed from the lo halfwords of rm and rn.
The hi part of the result should only be constructed from the hi halfwords of rm and rn.
2014-12-17 15:40:10 -05:00
bunnei
e6f440ea7f
Merge pull request #293 from lioncash/sops
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armemu: Fix SADD16
2014-12-17 14:54:24 -05:00
bunnei
3e9d4a7917
Merge pull request #287 from lioncash/qaddsub16
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armemu: Join QADD16/QSUB16 and fix saturation clamping.
2014-12-17 12:34:52 -05:00
Lioncash
5820dba6b7
armemu: Implement UMAAL
2014-12-17 12:21:21 -05:00