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log m68k_core_x86.c @ 985:751280fb4494

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Sun, 24 Apr 2016 21:23:28 -0700 Michael Pavone Fix interrupt latency from STOP instruction status reg changes. Fix modified code patching when non-standard aliases are used. This fixes the demo MDEM's First
Sun, 24 Apr 2016 02:19:48 -0700 Michael Pavone Half assed, prefetch based open bus value emulation. Gets BlastEm up to 119/122 in VDP FIFO Testing
Sun, 24 Apr 2016 00:22:38 -0700 Michael Pavone Fix order of writes for move.l with a predec destination
Sat, 23 Apr 2016 12:43:23 -0700 Michael Pavone Properly imlement btst with an immediate destination. Fixes a crash in NHL 95.
Wed, 02 Dec 2015 07:06:03 -0800 Michael Pavone Fix problem in 68K debugger caused by stack alignment change
Fri, 27 Nov 2015 13:10:02 -0800 Michael Pavone Fix a few lingering stack alignment rework bugs
Wed, 25 Nov 2015 08:40:45 -0800 Michael Pavone Partially working change to do proper stack alignment rather than doing a lame alignment check when calling a C compile dfunction. 68K core seems okay, but Z80 is busted.
Sat, 14 Nov 2015 13:56:41 -0800 Michael Pavone Prevent the current interrupt number from being changed while interrupt is being processed. This fixes a bug in Sonic 2 split screen that showed up when interrupt timing was adjusted
Fri, 13 Nov 2015 19:15:37 -0800 Michael Pavone It is now possible to switch back and forth between the menu ROM and the game
Sun, 08 Nov 2015 15:51:57 -0800 Michael Pavone Initial work for allowing loading a ROM from menu
Sun, 01 Nov 2015 00:12:52 -0700 Michael Pavone Update timing and order of steps in interrupt processing to match latest measurements
Sat, 31 Oct 2015 22:17:50 -0700 Michael Pavone Implement interrupt latency. Fixes Sesame Street: Counting Cafe and gives accurate results in my test ROM
Thu, 29 Oct 2015 19:06:06 -0700 Michael Pavone Implement TRAPV
Wed, 28 Oct 2015 19:45:24 -0700 Michael Pavone Implement TAS
Wed, 21 Oct 2015 23:31:17 -0700 Michael Pavone Implemented nbcd
Mon, 19 Oct 2015 19:16:57 -0700 Michael Pavone Fix for abcd/sbcd. Hopefully got it 100% right this time.
Sat, 25 Jul 2015 18:22:07 -0700 Michael Pavone Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Sun, 28 Jun 2015 09:53:17 -0700 Michael Pavone More clang warning cleanup
Mon, 22 Jun 2015 22:00:02 -0700 Michael Pavone Fix negative offsets in calc_areg_displace
Mon, 25 May 2015 15:01:38 -0700 Michael Pavone Fix crash bug in 32-bit build for certain secnarios with bcd instructions
Mon, 25 May 2015 13:21:24 -0700 Michael Pavone Fix div instruction when dest is d0 in 32-bit build
Sat, 23 May 2015 20:24:27 -0700 Michael Pavone Eliminate runtime.S/runtime_32.S.
Fri, 22 May 2015 23:49:32 -0700 Michael Pavone Don't attempt to translate or map code at odd addresses. This fixes a bug that shows up when playing College Footbal USA 96
Mon, 11 May 2015 20:30:13 -0700 Michael Pavone Fixed a missed call to do_sync when updating SR in 68K core
Wed, 14 Jan 2015 09:38:54 -0800 Michael Pavone Removed hardcoded assumptions in M68K core about which parts of the memory map are RAM
Thu, 08 Jan 2015 23:20:41 -0800 Michael Pavone A couple more indentation fixes
Thu, 08 Jan 2015 21:00:21 -0800 Michael Pavone Moved m68k_save_result to m68k_core.c
Thu, 08 Jan 2015 19:11:56 -0800 Michael Pavone Moved translate_m68k_rte and translate_m68k_reset to m68k_core.c
Thu, 08 Jan 2015 09:36:54 -0800 Michael Pavone Fix indentation that presumably got messed up in a merge
Sun, 04 Jan 2015 23:35:55 -0800 Michael Pavone Merge base m68k_to_x86.c@28157f268d45
Sat, 03 Jan 2015 16:08:23 -0800 Michael Pavone All cycle counters are now based off the master clock. This seems to have messed up Z80 interrupt timing (music in Sonic 2 is too slow for instance), but things are generally working
Fri, 02 Jan 2015 13:14:09 -0800 Michael Pavone Added functions to gen_x86 for saving and restoring callee save registers to better abstract over ABI differences between x86 and x86-64
Thu, 01 Jan 2015 20:07:47 -0800 Michael Pavone Use call_args and call_args_abi in Z80 core
Thu, 01 Jan 2015 19:15:05 -0800 Michael Pavone Added 2 new functions to gen_x86.c for handling passing args according to the C abi of the host system and adapted the code in m68k_core_x86.c to use that instead of doing everything by hand
Thu, 01 Jan 2015 17:31:59 -0800 Michael Pavone Fix some issues with 68K instruction retranslation
Thu, 01 Jan 2015 14:36:55 -0800 Michael Pavone Remove some of the hard coded assumptions about the memory map from the CPU cores
Mon, 29 Dec 2014 23:08:39 -0800 Michael Pavone Fix handling of code writes for Z80 core. This seems to get things close to being back to where they were before the big refactor that broke the Z80 core. Some problems remain. Notably the sound driver in Sonic 2 is still quite broken.
Sun, 28 Dec 2014 17:25:36 -0800 Michael Pavone Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Sat, 27 Dec 2014 15:49:15 -0800 Michael Pavone Fix divide by zero exception return address when div instruction is bigger than 1 word
Sat, 27 Dec 2014 14:51:50 -0800 Michael Pavone Decrement address register after fetching source in move with -(ax) dest to avoid bug when src is the dst addres reg
Fri, 26 Dec 2014 19:38:27 -0800 Michael Pavone Fix a bug in ori to SR that was swapping USP and SSP inappropriately
Fri, 26 Dec 2014 15:45:31 -0800 Michael Pavone Fix a few bugs introduced in the Z80 core from the adjustments to fit with the code gen refactor
Fri, 26 Dec 2014 12:37:27 -0800 Michael Pavone Set the byte_swap flag in the M68K core so gen_mem_fun correctly inserts xor instructions for byte access functions
Sun, 14 Dec 2014 16:45:23 -0800 Michael Pavone WIP effort to update z80 core for code gen changes
Tue, 11 Mar 2014 09:44:47 -0700 Michael Pavone Split gen_mem_fun out of m68k_core_x86 and make it more generic so it can be used by the Z80 core
Sat, 08 Mar 2014 00:15:09 -0800 Michael Pavone Move translate_m68k_movem to m68k_core.c
Fri, 07 Mar 2014 23:26:46 -0800 Michael Pavone Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Fri, 07 Mar 2014 19:45:05 -0800 Michael Pavone Minor refactor to translate_m68k_move_ccr_sr and translate_m68k_stop to reduce code duplication
Fri, 07 Mar 2014 19:39:51 -0800 Michael Pavone Use swap_ssp_usp in translate_m68k_move_ccr_sr
Fri, 07 Mar 2014 19:35:13 -0800 Michael Pavone Combine andi ccr/sr and ori ccr/sr.
Fri, 07 Mar 2014 17:51:40 -0800 Michael Pavone Use update_flags instead of individual set_flag calls in a few places
Fri, 07 Mar 2014 17:42:29 -0800 Michael Pavone Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Wed, 05 Mar 2014 19:26:53 -0800 Michael Pavone Combine implementations of lea and pea. Update bit instructions to use the op_ family of functions to simplify their implementation a bit.
Wed, 05 Mar 2014 09:33:50 -0800 Michael Pavone Refactor translate_m68k_cmp to use translate_m68k_arith
Tue, 04 Mar 2014 22:35:01 -0800 Michael Pavone Combine the implementation of ABCD and SBCD in the 68K core
Tue, 04 Mar 2014 22:24:08 -0800 Michael Pavone Use translate_m68k_unary for SWAP in 68K core
Tue, 04 Mar 2014 22:12:43 -0800 Michael Pavone Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Tue, 04 Mar 2014 00:02:20 -0800 Michael Pavone Small refactor to flag handling in 68K core
Mon, 03 Mar 2014 22:17:20 -0800 Michael Pavone More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Sun, 02 Mar 2014 17:53:32 -0800 Michael Pavone Refactor translat_m68k_src and translate_m68k_dst into a single function
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