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Small correction to VBLANK flag timing. Fixed some inconsistencies in interrupt timing calculation.
Tue, 19 May 2015 23:23:53 -0700, by Michael Pavone
Make sure z80_save_reg does nothing when there is no register in the reg field of the instruction. This fixes a bug that corrupted SP in the MDEM 2011 demo
Sun, 17 May 2015 20:03:27 -0700, by Michael Pavone
Call z80_handle_deferred after generating an insruction handler so that instructions like rst work correctly
Sun, 17 May 2015 19:14:41 -0700, by Michael Pavone
Fix VDP status register PAL bit based on observations of the Titan Overdrive demo
Sun, 17 May 2015 15:43:20 -0700, by Michael Pavone
Don't overwrite an instruction offset mapping with an extension word value. I really need the ability for a word to be mapped to more than one instruction, but this will be more correct for now
Sun, 17 May 2015 15:41:15 -0700, by Michael Pavone
Fix crash bug in Z80 interpreter
Sun, 17 May 2015 15:40:31 -0700, by Michael Pavone
Adjust H32 vint slot in response to latest test ROM data
Sat, 16 May 2015 23:08:07 -0700, by Michael Pavone
First pass at emulating a vscroll latch. Titan's Overdrive demo seems to depend on the scroll value being latched early in the line before the HINT gets a chance to change it
Sat, 16 May 2015 23:04:57 -0700, by Michael Pavone
Fix trans so it compiles again
Sat, 16 May 2015 22:42:26 -0700, by Michael Pavone
Small horizontal interrupt fixes
Thu, 14 May 2015 23:17:55 -0700, by Michael Pavone
Sync machine state before entering debugger
Thu, 14 May 2015 00:04:22 -0700, by Michael Pavone
Fix problem with removing breakpoints
Wed, 13 May 2015 23:55:02 -0700, by Michael Pavone
Add description of cd register value to vr debugger command
Wed, 13 May 2015 19:19:43 -0700, by Michael Pavone
Properly print equ for named labels that point outside the cartridge area in disassembler
Wed, 13 May 2015 19:13:49 -0700, by Michael Pavone
Get save state viewer compiling again
Wed, 13 May 2015 19:13:15 -0700, by Michael Pavone
Save PC to context struct when syncing Z80 at instruction start. This fixes saving savestates and probably the Z80 debugger as well
Tue, 12 May 2015 19:14:09 -0700, by Michael Pavone
Remove/comment verbose logging added for tracking down sync bug
Mon, 11 May 2015 20:34:33 -0700, by Michael Pavone
Tiny cleanup
Mon, 11 May 2015 20:31:59 -0700, by Michael Pavone
Fix frame counter increment and VINT cycle time calculation
Mon, 11 May 2015 20:30:35 -0700, by Michael Pavone
Fixed a missed call to do_sync when updating SR in 68K core
Mon, 11 May 2015 20:30:13 -0700, by Michael Pavone
Sync fixes and logging to fix more sync issues
Mon, 11 May 2015 00:28:47 -0700, by Michael Pavone
Added config option to allow specifying a max sync cycle smaller than the end of frame
Tue, 05 May 2015 08:42:27 -0700, by Michael Pavone
Indentation fixup
Mon, 04 May 2015 08:48:10 -0700, by Michael Pavone
Adjust TH timeout value to take into account the move to master clock cycles
Thu, 30 Apr 2015 19:28:18 -0700, by Michael Pavone
Fix missing call to setup_io_devices
Thu, 30 Apr 2015 19:28:01 -0700, by Michael Pavone
Fix bug in map_native_address that was breaking some self-modifying code in Gunstar Heroes
Tue, 28 Apr 2015 19:04:36 -0700, by Michael Pavone
WIP of functions to determine size of x86 instruction to allow patching of arbitrary pieces of code
Sat, 14 Mar 2015 12:05:03 -0700, by Michael Pavone
Removed hardcoded assumptions in M68K core about which parts of the memory map are RAM
Wed, 14 Jan 2015 09:38:54 -0800, by Michael Pavone
A couple more indentation fixes
Thu, 08 Jan 2015 23:20:41 -0800, by Michael Pavone
Moved m68k_save_result to m68k_core.c
Thu, 08 Jan 2015 21:00:21 -0800, by Michael Pavone
Moved translate_m68k_rte and translate_m68k_reset to m68k_core.c
Thu, 08 Jan 2015 19:11:56 -0800, by Michael Pavone
Fix indentation that presumably got messed up in a merge
Thu, 08 Jan 2015 09:36:54 -0800, by Michael Pavone
Merge
Thu, 08 Jan 2015 07:49:16 +0100, by Michael Pavone
Added ldr and str instructions to gen_arm
Wed, 07 Jan 2015 22:42:35 -0800, by Michael Pavone
Move detect_region down so that it once again occurs after load_rom since it won't work before the ROM is loaded
Tue, 06 Jan 2015 19:09:00 -0800, by Michael Pavone
Merge
Sun, 04 Jan 2015 23:35:55 -0800, by Michael Pavone
Prevent an infinite loop when handling out of bounds addresses in translate_m68k_stream
Sun, 04 Jan 2015 23:21:56 -0800, by Michael Pavone
Some small synchronization improvements that do not seem to fix anything
Sun, 04 Jan 2015 23:05:37 -0800, by Michael Pavone
Removed some code that tried to deal with the 68K not using master clocks that is no longer necessary
Sun, 04 Jan 2015 12:25:33 -0800, by Michael Pavone
Adjusted h40_hsync_cycles so that lines actually take 3420 mclks. Fixed vdp_cycles_next_line to take h40_sync_cycles into account
Sun, 04 Jan 2015 12:24:34 -0800, by Michael Pavone
Fake busack when Z80 is disabled
Sat, 03 Jan 2015 21:54:41 -0800, by Michael Pavone
When going directly from reset to busreq, do not allow the Z80 to run
Sat, 03 Jan 2015 21:35:23 -0800, by Michael Pavone
Added a -r flag to ztestrun that force instruction retranslation to allow a quick sanity test of that feature
Sat, 03 Jan 2015 21:20:18 -0800, by Michael Pavone
Fix ztestrun
Sat, 03 Jan 2015 20:46:45 -0800, by Michael Pavone
Fix 68K remove_breakpoint
Sat, 03 Jan 2015 20:46:25 -0800, by Michael Pavone
Restore emulation of Z80 being locked out of the 68K bus during DMA and the like
Sat, 03 Jan 2015 20:20:15 -0800, by Michael Pavone
Fix bank area access delay for master clock change
Sat, 03 Jan 2015 20:13:51 -0800, by Michael Pavone
Restore Z80 interrupt pulse duration and make a small improvement to debug print output
Sat, 03 Jan 2015 18:49:07 -0800, by Michael Pavone
Removed some obsolete defines
Sat, 03 Jan 2015 18:27:29 -0800, by Michael Pavone
Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Sat, 03 Jan 2015 18:23:04 -0800, by 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
Sat, 03 Jan 2015 16:08:23 -0800, by Michael Pavone
In theory, the Z80 core should work on 32-bit builds now; however, I suspect there is some code that cannot deal with most of the Z80 registers not having a native register so more work will be needed
Fri, 02 Jan 2015 13:47:34 -0800, by 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
Fri, 02 Jan 2015 13:14:09 -0800, by Michael Pavone
Use SZ_PTR instead of SZ_Q in Z80 core for 32-bit compat
Fri, 02 Jan 2015 12:04:58 -0800, by Michael Pavone
Sync Z80 when taking an interrupt so that int_cycle gets updated
Fri, 02 Jan 2015 00:19:10 -0800, by Michael Pavone
Remove dedicated registers for Z80 bank reg and Z80 bank pointer as they are no longer used
Thu, 01 Jan 2015 23:37:24 -0800, by Michael Pavone
Adjust 68K sync cycle when mclk_target gets adjusted
Thu, 01 Jan 2015 22:52:18 -0800, by Michael Pavone
Add the 3 cycle delay back in to Z80 bank area access
Thu, 01 Jan 2015 22:18:32 -0800, by Michael Pavone
Minor Z80 core cleanup
Thu, 01 Jan 2015 20:26:22 -0800, by Michael Pavone
Use call_args and call_args_abi inside gen_mem_fun
Thu, 01 Jan 2015 20:21:20 -0800, by Michael Pavone
Use call_args and call_args_abi in Z80 core
Thu, 01 Jan 2015 20:07:47 -0800, by 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 19:15:05 -0800, by Michael Pavone
Avoid calling atexit(SDL_Quit) until after OpenGL initialization to avoid a segfault on exit when using fglrx
Thu, 01 Jan 2015 17:36:23 -0800, by Michael Pavone
Fix some issues with 68K instruction retranslation
Thu, 01 Jan 2015 17:31:59 -0800, by Michael Pavone
Remove some of the hard coded assumptions about the memory map from the CPU cores
Thu, 01 Jan 2015 14:36:55 -0800, by Michael Pavone
Merge
Tue, 30 Dec 2014 19:11:34 -0800, by Michael Pavone
Fix flags for rra, rrca, rla and rlca. Fix timing for rr, rrc, rl and rlc when using IX or IY. Fix access to I and R registers (R still needs to be made 7-bit though). Fix flags for ld a, i. The fix for access to I fixes PCM playback in Titan Overdrive and music playback in Crackdown.
Tue, 16 Dec 2014 01:10:54 -0800, by Michael Pavone
Set the busy flag after a YM-2612 address write
Tue, 16 Dec 2014 01:05:00 -0800, by Michael Pavone
Added HV counter test ROM source
Sun, 14 Dec 2014 18:17:29 -0800, by Michael Pavone
Remove object file that was accidentally added
Sun, 14 Dec 2014 18:16:14 -0800, by Michael Pavone
Fix the HV counter and adjust the slots of certain VDP events
Sun, 14 Dec 2014 18:14:50 -0800, by Michael Pavone
Produce a listing file when assembling 68K test ROMs
Sun, 14 Dec 2014 18:12:00 -0800, by Michael Pavone
Initial support for configurable IO, custom IO and sega transfer board emulation
Wed, 03 Dec 2014 09:32:32 -0800, by Michael Pavone
Temporarily comment out code to translate Z80 instructions in place as in rare cases it can stomp the next instruction if a branch goes from a short from to a long one
Wed, 03 Dec 2014 09:30:01 -0800, by Michael Pavone
Unbreak PC indexed addressing modes in decoder
Wed, 03 Dec 2014 09:26:07 -0800, by Michael Pavone
Fix interpretation of moves direction field
Wed, 15 Oct 2014 00:30:19 -0700, by Michael Pavone
Fix decoding of movec
Wed, 15 Oct 2014 00:26:57 -0700, by Michael Pavone
Add equates for address references below address_off
Tue, 14 Oct 2014 22:17:42 -0700, by Michael Pavone
Ignore odd addresses in calls to defer in disassembler
Tue, 14 Oct 2014 21:58:17 -0700, by Michael Pavone
Add support for 68020 addressing modes in decoder and disassembler
Tue, 14 Oct 2014 21:58:03 -0700, by Michael Pavone
Tiny bit of work towards supporting 68020 addressing modes in decoder/disassembler
Sun, 12 Oct 2014 23:55:25 -0700, by Michael Pavone
Add support for 68020 bitfield instructions
Sun, 12 Oct 2014 19:03:05 -0700, by Michael Pavone
Fix logic for automatic label generation.
Sun, 12 Oct 2014 19:02:47 -0700, by Michael Pavone
Better support for labels sourced from VOS program module header
Sat, 11 Oct 2014 22:18:49 -0700, by Michael Pavone
Fix translation of 68K address to buffer location when address_off != 0
Sat, 11 Oct 2014 21:42:33 -0700, by Michael Pavone
Add -r option to indicate VOS program module contains a 68K reset vector
Sat, 11 Oct 2014 21:20:02 -0700, by Michael Pavone
Add support for disassembling VOS program modules
Sat, 11 Oct 2014 20:32:17 -0700, by Michael Pavone
Improve support for disassembling 68010+ binaries
Wed, 08 Oct 2014 22:18:34 -0700, by Michael Pavone
Small fix to display of DMA source address in vr debug command
Thu, 14 Aug 2014 09:38:32 -0700, by Michael Pavone
Fix Z80 interrupts
Sat, 21 Jun 2014 09:36:15 -0700, by Michael Pavone
Added some preliminary support for interpreting Z80 code from non-RAM addresses
Fri, 20 Jun 2014 07:57:32 -0700, by Michael Pavone
Properly handle Z80 breakpoints on self-modifying code and setting Z80 breakpoints before the Z80 program has been loaded
Thu, 19 Jun 2014 19:50:16 -0700, by Michael Pavone
Slight cleanup of vint handling on the Z80
Thu, 19 Jun 2014 08:14:35 -0700, by Michael Pavone
Remove debug printf that escaped into my previous commit
Wed, 18 Jun 2014 16:39:42 -0700, by Michael Pavone
Fix most of the breakage caused by the vcounter/hcounter changes
Wed, 18 Jun 2014 16:30:19 -0700, by Michael Pavone
Partially working switch to having a vcounter and hslot counter in the context rather than trying to derive them from the cycle count. This should allow for more accurate handling of mid screen mode switches. Interrupt timing is broken currently though
Tue, 17 Jun 2014 19:01:01 -0700, by Michael Pavone
Fix a few values reported by the vr debugger command. Add DMA registers to vr debugger command. Fix horizontal interrupt bug. Slightly more accurate (but still broken) handling of switches between H32 and H40 modes.
Mon, 16 Jun 2014 19:13:28 -0700, by 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.
Mon, 29 Dec 2014 23:08:39 -0800, by Michael Pavone
Added support for JR and JRcc in Z80 test generator
Mon, 29 Dec 2014 21:36:17 -0800, by Michael Pavone
Added support for JPcc in Z80 test generator
Mon, 29 Dec 2014 21:24:12 -0800, by Michael Pavone
Added support for JP in Z80 test generator
Mon, 29 Dec 2014 20:56:05 -0800, by Michael Pavone
Add support for Z80 access to VDP via bank area
Mon, 29 Dec 2014 00:41:36 -0800, by Michael Pavone
Update .hgignore
Mon, 29 Dec 2014 00:14:33 -0800, by Michael Pavone
Fix flag mask for m68k not
Mon, 29 Dec 2014 00:14:21 -0800, by Michael Pavone
Fix opsize for sbcd in 68K instruction decoder. This fixes the timer bug in Strider 2
Sun, 28 Dec 2014 17:58:43 -0800, by 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
Sun, 28 Dec 2014 17:25:36 -0800, by Michael Pavone
Fix divide by zero exception return address when div instruction is bigger than 1 word
Sat, 27 Dec 2014 15:49:15 -0800, by Michael Pavone
Decrement address register after fetching source in move with -(ax) dest to avoid bug when src is the dst addres reg
Sat, 27 Dec 2014 14:51:50 -0800, by Michael Pavone
Uncomment 68000 testcases
Sat, 27 Dec 2014 14:50:50 -0800, by Michael Pavone
Don't use out of bounds displacements in indexed mode even if our targeted address is out of RAM range
Sat, 27 Dec 2014 14:50:28 -0800, by Michael Pavone
Fix memory map flags in ztestrun
Fri, 26 Dec 2014 21:26:25 -0800, by Michael Pavone
Fix mask for bank area in Z80 memory map
Fri, 26 Dec 2014 20:46:56 -0800, by Michael Pavone

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