SarahW
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4875f24b53
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Added initial attempt at instruction timings for 8087/287/387.
Also added 287XL using 387 timings.
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2020-01-24 20:33:35 +00:00 |
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SarahW
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a4d3aa1912
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Move flags and eflags variables into cpu_struct.
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2018-11-28 09:42:04 +00:00 |
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SarahW
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305b6cc4fd
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Added recompiled register versions of FADDP, FDIVP, FDIVRP, FMULP, FSUBP and FSUBRP.
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2018-10-08 21:44:30 +01:00 |
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SarahW
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dbb01ef9e2
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Cleaned up x87 tag register handling.
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2018-10-01 21:02:40 +01:00 |
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SarahW
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0f0a1c3223
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Perform NULL segment checks upfront in opcode handlers, rather than on every memory access.
This removes the need to pass the segment to readmem*l()/writemem*l().
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2018-07-18 22:10:18 +01:00 |
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SarahW
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6aef53e854
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Remove remaining references to 32-bit addresses in x86-64 recompiler.
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2016-08-28 15:58:30 +01:00 |
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SarahW
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eb126fd822
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Moved more variables into cpu_state structure.
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2016-08-21 21:28:23 +01:00 |
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SarahW
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c664682758
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Move some more variables into cpu_state structure. Minor speedup (~2%).
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2016-08-17 21:28:16 +01:00 |
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SarahW
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153c22e442
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Cyrix 6x86 emulation. Based on patch from leilei.
Moved MOV TRx, reg to correct opcode - required by Award 430VX BIOS with 6x86.
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2016-04-27 22:23:49 +01:00 |
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SarahW
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c81a91fd72
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Moved integer registers, PC and flags_* variables into new cpu_state structure. Reduces recompiled code size slightly, small speedup (1-3%).
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2016-04-20 21:39:41 +01:00 |
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TomW
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986476b9db
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FPU rounding modes now have effect in FADD double precision. Fixes rendering in Interstate '76.
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2015-09-21 21:54:43 +01:00 |
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TomW
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52a27a9256
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FPU copy should now work.
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2015-05-18 20:33:33 +01:00 |
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TomW
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19c318675a
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FCOM/FUCOM now use inline assembler on x86 targets. Unreal now works.
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2015-01-17 22:06:32 +00:00 |
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TomW
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aecf865c2c
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Re-added FCOMPP 80387 detection hack accidentally removed in FPU reorganisation.
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2014-11-17 20:23:29 +00:00 |
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TomW
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2905c43db8
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Cycle counts for recompiled blocks now generated at compile time.
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2014-11-12 19:33:49 +00:00 |
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TomW
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087f412d3f
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Reorganised FPU emulation.
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2014-11-09 14:07:03 +00:00 |
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