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Implemented Z80 IM 2 and attempted correct intack cycle delay
Thu, 19 Oct 2017 03:21:24 -0700, by Michael Pavone
Add support for writeable ROM and an entry for Game no Kanzume Otokuyou using that support as it expects the cart area to be writable
Sat, 14 Oct 2017 05:03:38 -0700, by Michael Pavone
Attempt at fixing issue reported when compiling with MSVC
Mon, 09 Oct 2017 07:48:48 -0700, by Michael Pavone
Added detection of XBAND test ROMs. None seem to actually work with my limited FRED chip implementation though
Mon, 09 Oct 2017 07:42:33 -0700, by Michael Pavone
Created branch for segacd work segacd
Thu, 14 Sep 2017 09:49:04 -0700, by Michael Pavone
Push correct PC onto stack on divide by zero for pc-relative case
Wed, 13 Sep 2017 21:13:11 -0700, by Michael Pavone
Preserve original address when retranslating instructions instead of switching to the lowest alias
Wed, 13 Sep 2017 21:06:25 -0700, by Michael Pavone
Fix unlk for the a7 case
Fri, 08 Sep 2017 00:38:22 -0700, by Michael Pavone
Fix what are hopefully th elast of the 68K instruction decoder bugs revealed by r57shell/realmonster's test ROM
Fri, 08 Sep 2017 00:38:10 -0700, by Michael Pavone
More instruction decoder fixes
Thu, 07 Sep 2017 00:42:28 -0700, by Michael Pavone
Properly clear trace mode on interrupt or other exception. Fix NBCD with memory destination
Wed, 06 Sep 2017 23:10:11 -0700, by Michael Pavone
Remove unused define in blastem.c
Wed, 06 Sep 2017 22:16:02 -0700, by Michael Pavone
Update version number for nightly builds
Wed, 06 Sep 2017 22:15:22 -0700, by Michael Pavone
Fix a bunch of 68K instruction decoder bugs revealed by r57shell/realmonster's test ROM
Wed, 06 Sep 2017 22:14:51 -0700, by Michael Pavone
Added tag v0.5.1 for changeset 3d48cb0c28be
Wed, 30 Aug 2017 01:58:22 -0700, by Michael Pavone
Updated version string for 0.5.1 release v0.5.1
Wed, 30 Aug 2017 01:22:04 -0700, by Michael Pavone
Updated CHANGELOG for 0.5.1 release
Wed, 30 Aug 2017 01:21:28 -0700, by Michael Pavone
Fix minor graphical regression in Gunstar Heroes
Tue, 29 Aug 2017 23:49:57 -0700, by Michael Pavone
Fix regression in XBAND keyboard support. Fixes ticket:33
Tue, 29 Aug 2017 22:48:03 -0700, by Michael Pavone
Make initial bank register state stored in bank_regs match what is put in to mem_pointers for the sega/SSF2 mapper. Invalidate RAM code ranges on RAM deserialization
Tue, 29 Aug 2017 19:43:38 -0700, by Michael Pavone
Fix operator precedence in psg serialize/deserialize
Tue, 29 Aug 2017 19:42:44 -0700, by Michael Pavone
Save entirety of fnum register, not just the low 8 bits
Tue, 29 Aug 2017 19:42:14 -0700, by Michael Pavone
Fix savestate path calculation in genesis load_state
Tue, 29 Aug 2017 00:36:25 -0700, by Michael Pavone
Ensure extra_pc is NULL when resuming a save state
Tue, 29 Aug 2017 00:30:20 -0700, by Michael Pavone
Save and restore YM2612 timer control and keyon/off state in native save states
Tue, 29 Aug 2017 00:09:35 -0700, by Michael Pavone
Pass the correct context pointer to write handlers in mapper deserialize functions
Mon, 28 Aug 2017 22:41:02 -0700, by Michael Pavone
Save and restore Z80 bank register in native save states
Mon, 28 Aug 2017 22:40:33 -0700, by Michael Pavone
Save/restore mapper state in native save states
Sun, 27 Aug 2017 18:15:00 -0700, by Michael Pavone
Add ROM DB entries for remaining known EEPROM titles. Resolves ticket:21
Sat, 26 Aug 2017 11:29:46 -0700, by Michael Pavone
Update README in anticipation of 0.5.1 release
Fri, 25 Aug 2017 20:12:21 -0700, by Michael Pavone
Clear display in SDL2 renderer before doing the texture copy. This gets rid of the artifacts noted in ticket:29
Thu, 24 Aug 2017 19:40:53 -0700, by Michael Pavone
Allow actually saving a save state in more Z80 states. Save busreq/reset state in bus arbiter section for "native" save states
Thu, 24 Aug 2017 19:28:56 -0700, by Michael Pavone
Small fix submitted by Anaël Seghezzi to his subtle crt shader
Thu, 24 Aug 2017 00:02:16 -0700, by Michael Pavone
Allow reloading current ROM with a hotkey (default F5) and allow locking on a cartridge via menu
Wed, 23 Aug 2017 21:18:17 -0700, by Michael Pavone
Fix external v counter when normal resolution interlace mode is active
Mon, 21 Aug 2017 23:49:56 -0700, by Michael Pavone
Fix timing of VDP ODD flag toggle
Mon, 21 Aug 2017 23:08:36 -0700, by Michael Pavone
Using ui.exit to abort loading or saving a state via menu will no longer cause you to return to those sub-menus the next time the menu is loaded
Wed, 16 Aug 2017 21:04:28 -0700, by Michael Pavone
Added a config file option for remembering the last path in the menu
Wed, 16 Aug 2017 20:45:51 -0700, by Michael Pavone
Added save states to SMS emulation
Wed, 16 Aug 2017 20:06:28 -0700, by Michael Pavone
Move vscroll latch further forward in H40 mode. Fixes a minor graphical glitch in Skitchin. Needs a proper test ROM to verify exact latch position
Sun, 13 Aug 2017 22:59:01 -0700, by Michael Pavone
Update VDP color map when loading a native save state
Fri, 11 Aug 2017 18:58:03 -0700, by Michael Pavone
Avoid generating an instruction that would require a REX prefix when a7 is used as a byte-wide source operand in 32-bit builds. Fixes a fatal error in Dragon's Fury when entering the option menu in a 32-bit build
Fri, 11 Aug 2017 18:43:48 -0700, by Michael Pavone
write_cram_internal takes a CRAM index, not a CRAM address
Wed, 09 Aug 2017 23:33:16 -0700, by Michael Pavone
New savestates are working. New config file option for selecting format states will be saved in. Mostly complete, needs a little more work before release
Wed, 09 Aug 2017 23:26:51 -0700, by Michael Pavone
WIP - New savestate format
Sun, 06 Aug 2017 00:06:36 -0700, by Michael Pavone
Fix texture coordinate offsets in default shader so things look right with really high resolutions and weird multiples of native
Fri, 07 Jul 2017 21:44:49 -0700, by Michael Pavone
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Fri, 07 Jul 2017 21:01:45 -0700, by Michael Pavone
Fix s(tep) debug command for the case of dbra with an expired counter reg
Thu, 06 Jul 2017 21:51:35 -0700, by Michael Pavone
Make drag and drop play nice with the menu
Fri, 30 Jun 2017 18:42:52 -0700, by Michael Pavone
Change where vscroll is latched in full plane mode. Fixes Top Gear 2
Fri, 30 Jun 2017 00:36:18 -0700, by Michael Pavone
Added ROM DB entry for Super 19-in-1 based on hash reported by Sasha
Mon, 26 Jun 2017 23:40:07 -0700, by Michael Pavone
Fix DMA from byte-wide SRAM
Mon, 26 Jun 2017 21:13:17 -0700, by Michael Pavone
Fix a silly variable shadowing bug in read_word
Mon, 26 Jun 2017 21:12:46 -0700, by Michael Pavone
Add smd extension to default extension filter. Make file extension check case insensitive
Mon, 26 Jun 2017 09:38:41 -0700, by Michael Pavone
Add a file extension filter to the menu
Sat, 24 Jun 2017 23:37:47 -0700, by Michael Pavone
Support a couple of bootleg X-in-1 carts
Sat, 24 Jun 2017 13:55:54 -0700, by Michael Pavone
Move Sega mapper implementation out of romdb.c
Fri, 23 Jun 2017 23:16:44 -0700, by Michael Pavone
Move I2C EEPROM and NOR Flash functions out of romdb.c into new files
Fri, 23 Jun 2017 21:48:38 -0700, by Michael Pavone
Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Thu, 22 Jun 2017 23:40:05 -0700, by Michael Pavone
Load SRAM/EEPROM from lock-on cart directory if the lock-on cart is the one with the save device
Thu, 22 Jun 2017 19:36:51 -0700, by Michael Pavone
WIP support for handling S3 save RAM when locked on
Thu, 22 Jun 2017 09:49:41 -0700, by Michael Pavone
Initial SRAM support for lock-on carts
Tue, 20 Jun 2017 22:56:07 -0700, by Michael Pavone
Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Mon, 19 Jun 2017 23:27:11 -0700, by Michael Pavone
Better handling of S&K lock on support. Pre-combined ROMs and large (>2MB) S&K hacks should now work. Implemented correct behavior from locking on a 4MB cart
Mon, 19 Jun 2017 19:18:50 -0700, by Michael Pavone
WIP ROM DB entry changes for Magistr 16
Mon, 19 Jun 2017 09:44:37 -0700, by Michael Pavone
Minor simplification of default fragment shader
Sat, 17 Jun 2017 17:43:47 -0700, by Michael Pavone
Force texture y-coordinate to middle of line in default shader. Substantially improves picture when linear texture filtering is used
Sat, 17 Jun 2017 15:56:07 -0700, by Michael Pavone
Slightly less broken default fragment shader. Looks much better with nearest neighbor, still needs work for linear interpolation
Sat, 17 Jun 2017 15:43:44 -0700, by Michael Pavone
Allow selecting linear or nearet neighbor scaling for both the Open GL and SDL 2 renderers
Thu, 15 Jun 2017 22:51:28 -0700, by Michael Pavone
Allow height to be specified in the config file and properly calculate from the aspect setting if it is not specified
Thu, 15 Jun 2017 19:24:16 -0700, by Michael Pavone
Properly release and reacquire framebuffer pointer when switching contexts. Hopefully fixes the LOCKRECT issue some people are seeing with the SDL 2 fallback renderer
Thu, 15 Jun 2017 09:45:21 -0700, by Michael Pavone
Only complain about the first missing mapping for a given gamepad so a user does not get inundated with warning modals when their gamepad lacks a mapping entry
Wed, 14 Jun 2017 21:59:30 -0700, by Michael Pavone
Remove E from region header of menu so it does not run at 50Hz if the user changes the default_region setting to E
Wed, 14 Jun 2017 21:17:35 -0700, by Michael Pavone
Fix absolute mouse mode when non-default overscan settings are used
Wed, 14 Jun 2017 20:46:11 -0700, by Michael Pavone
Initial support for drag and drop. Some work needed for proper menu integration.
Wed, 14 Jun 2017 09:48:46 -0700, by Michael Pavone
Only capture mouse if an emulated mouse is attached
Mon, 12 Jun 2017 21:12:28 -0700, by Michael Pavone
Initial work to support parallel NOR flash and the Magistr 16
Wed, 07 Jun 2017 23:06:14 -0700, by Michael Pavone
Small fix to handling of the "bus" option in a RAM type ROM DB memory map
Mon, 05 Jun 2017 23:03:46 -0700, by Michael Pavone
Updated version string for 0.5.1 pre-releases
Sun, 04 Jun 2017 10:08:20 -0700, by Michael Pavone
Added a "subtle" CRT shader contributed by Anael Seghezzi
Sun, 04 Jun 2017 10:07:36 -0700, by Michael Pavone
Added tag v0.5.0 for changeset 990a26391933
Fri, 02 Jun 2017 01:44:36 -0700, by Michael Pavone
Update version number for stable release v0.5.0
Fri, 02 Jun 2017 01:05:53 -0700, by Michael Pavone
D&D - Warriors of the Eternal Sun has 6-button pad issues
Fri, 02 Jun 2017 00:41:22 -0700, by Michael Pavone
Add device override for Fun n Games as it supports the mouse
Fri, 02 Jun 2017 00:36:07 -0700, by Michael Pavone
Might and Magic - Gates to Another World has a bad SRAM header
Fri, 02 Jun 2017 00:34:17 -0700, by Michael Pavone
Force J region for Japanese version of Light Crusader
Wed, 31 May 2017 21:34:59 -0700, by Michael Pavone
Prevent emulated screen from "rolling" when the vertical resolution is changed at an inopportune time
Wed, 31 May 2017 21:10:49 -0700, by Michael Pavone
Added stub load_save and persist_save functions to SMS system so that we don't crash when switching games via the menu
Wed, 31 May 2017 09:45:37 -0700, by Michael Pavone
Updated changelog for 0.5.0 release
Tue, 30 May 2017 23:39:09 -0700, by Michael Pavone
Second Samurai is slightly incompatible with 6-button controllers
Tue, 30 May 2017 23:10:14 -0700, by Michael Pavone
Added Rockman Mega World to ROM DB as it has EEPROM
Tue, 30 May 2017 23:05:18 -0700, by Michael Pavone
Implement horizontal border in Mode 4 and make a minor fix to advance_output_line to handle the later vcounter increment in that mode
Mon, 29 May 2017 22:19:33 -0700, by Michael Pavone
Update SMS code for changes supporting slow rise time emulation in IO code
Mon, 29 May 2017 18:25:11 -0700, by Michael Pavone
Get H32 in sync with H40 with regards to borders and test register support. Minor cleanup to H40 border rendering
Mon, 29 May 2017 17:30:40 -0700, by Michael Pavone
Implemented SMS pause button
Sun, 28 May 2017 21:03:55 -0700, by Michael Pavone
Implemented Z80 NMI
Sun, 28 May 2017 21:02:47 -0700, by Michael Pavone
Avoid splitting m68k_check_cycles_int_latch code across memory chunks since it expects a byte-sized jump offset. Avoid an unnecessary m68k_check_cycles_int_latch for register to register moves
Fri, 26 May 2017 19:18:19 -0700, by Michael Pavone
Go back to resetting the refresh counter after a DMA. Probably not quite correct as it is probably reset on VDP triggered refresh, but this is close enough for now given the general limitations with my refresh code. VDP FIFO Testing seems to be passing 100% reliably again (was occassionally failing still with the last commit)
Tue, 23 May 2017 23:47:40 -0700, by Michael Pavone
Fixed regression from VDP sync changes. Direct color DMA demos are now achieving stable sync again
Tue, 23 May 2017 23:17:24 -0700, by Michael Pavone
Attempt at improving refresh emulation
Tue, 23 May 2017 23:00:32 -0700, by Michael Pavone
Remove HINT_FUDGE and make a small adjustment to how VDP syncs with rest of system instead. Worse results on CRAM dot issue, but much less of a hack
Tue, 23 May 2017 21:09:38 -0700, by Michael Pavone
Fix interrupt latency for move.l with memory destination
Tue, 23 May 2017 21:07:56 -0700, by Michael Pavone
Fix handling of test register selected sprite layer in border area. Gets rid of the border garbage in the "disco floor/ceiling" scene of OD2
Tue, 23 May 2017 19:09:57 -0700, by Michael Pavone
Fix small blank spot on line -2 in "ninja escape" border fade in OD2
Tue, 23 May 2017 09:39:22 -0700, by Michael Pavone
Force 3-button pad for combat cars as the options menu has some issues with a 6-button pad
Mon, 22 May 2017 22:04:07 -0700, by Michael Pavone
Fix regression in horizontal interrupt timing that was breaking the "water" palette swap in the Sonic series and other games
Mon, 22 May 2017 21:11:13 -0700, by Michael Pavone
Add a bit of a hack to HINT start cycle to give correct values in my test ROM and further improve prevelance of CRAM dot noise in Outrunners and OD2
Fri, 19 May 2017 22:07:50 -0700, by Michael Pavone
Added some code to try and prevent Z80 accesses and refresh cycles from screwing up interrupt latency more than on hardware
Fri, 19 May 2017 20:54:04 -0700, by Michael Pavone
Fix to M68K interrupt latency for most instructions. Still needs some work for RAW_IMPL instructions besides move
Fri, 19 May 2017 20:27:35 -0700, by Michael Pavone
Fix regression in games that disable the display early like F1 World Championship. Remove debug printf
Sun, 14 May 2017 12:07:39 -0700, by Michael Pavone
WIP attempt at fixing the minor line -2 glitch in the OD2 Ninja Escape scene
Sun, 14 May 2017 11:15:56 -0700, by Michael Pavone
Print PATH in build_release script to help debug future build failures
Fri, 12 May 2017 23:34:17 -0700, by Michael Pavone
Use printf rather than info_message for message about game controller mappings so it does not pop up a modal when not run from a terminal
Fri, 12 May 2017 23:33:00 -0700, by Michael Pavone
Fix regression in Mode 4 sprite rendering
Thu, 11 May 2017 20:33:31 -0700, by Michael Pavone
Fix regression in mode 4 introduced when advance_output_line was added
Thu, 11 May 2017 08:01:10 -0700, by Michael Pavone
Fix resampling code to deal with case in which output frequency is greater than the input frequency. Probably could stand to be improved, but at least it doesn't cause the emulator to deadlock
Thu, 11 May 2017 07:51:28 -0700, by Michael Pavone
Load extra controller mappings from gamecontrollerdb.txt
Wed, 10 May 2017 22:06:59 -0700, by Michael Pavone
Updated special thanks and version number listed in menu ROM
Wed, 10 May 2017 19:32:13 -0700, by Michael Pavone
Update README to account for new config file options
Wed, 10 May 2017 19:23:59 -0700, by Michael Pavone
Add description of overscan settings to README
Tue, 09 May 2017 22:57:12 -0700, by Michael Pavone
Added a ROM DB entry for Ninja Burai Densetsu as it has EEPROM
Tue, 09 May 2017 00:02:59 -0700, by Michael Pavone
Added region override for Japanese version of Castle of Illusion to deal with an invalid region header
Tue, 09 May 2017 00:01:49 -0700, by Michael Pavone
Added a region override for the Japanese version of Alien Soldier so it doesn't end up running at 50Hz
Mon, 08 May 2017 23:41:45 -0700, by Michael Pavone
Implemented slow rise time of IO pins set as inputs, but not driven by device. Fixes input in Decap Attack and possibly other games with buggy controller code
Mon, 08 May 2017 22:31:28 -0700, by Michael Pavone
King of the Monsters worked with my older more inaccurage 6-butotn pad emulation, but does not work with the real thing nor does it work with my current 6-butotn pad emulation. Added a ROM DB entry to force a 3-button pad for this game
Sat, 06 May 2017 00:09:14 -0700, by Michael Pavone
Fix sprite rendering in double resolution interlace mode
Fri, 05 May 2017 23:45:45 -0700, by Michael Pavone
Decode JMP or JSR with an invalid addressing mode as an invalid instruction
Fri, 05 May 2017 23:41:14 -0700, by Michael Pavone
Fix vscroll latching when full screen vscroll is used in combination with the window plane on the left side of the screen
Fri, 05 May 2017 22:08:30 -0700, by Michael Pavone
Fix transition from active to inactive display
Thu, 04 May 2017 22:47:51 -0700, by Michael Pavone
Fix border rendering so that the first and last line of display are consistently drawn
Thu, 04 May 2017 22:14:12 -0700, by Michael Pavone
Fix intermittent crash due to an inadvertent executable memory allocation in m68k instruction retranslation
Thu, 04 May 2017 21:06:35 -0700, by Michael Pavone
Fix some inconsequential issues in code for executable memory allocation noticed while tracking down a different issue
Thu, 04 May 2017 21:00:25 -0700, by Michael Pavone
Implement the effect of VDP test register usage on the top and bottom borders. Fixes the remaning issue with the border dissolve in the "Ninja Escape" scene of Overdrive 2
Wed, 03 May 2017 21:28:40 -0700, by Michael Pavone
Fix sprite rendering for negative line. Fixes remaining visual glitch in the Titancade scene of Overdrive 2
Mon, 01 May 2017 20:33:59 -0700, by Michael Pavone
Initial stab at horizontal border when VDP test register layer selection is in effect for H40. Extended horizontal borders in Titancade scene and ninja escape scene mostly correct now
Sat, 29 Apr 2017 16:51:57 -0700, by Michael Pavone
Make internal screenshot functionality completely ignore overscan settings rather than only doing it for the height
Sat, 29 Apr 2017 12:32:50 -0700, by Michael Pavone
Fixes to sprite phase 2 so that sprite X reads use the exact same slot as on hardware in the case that there are fewer than the max number of sprites on each line. Re-read sprite Y from SAT cache during phase 2 and properly mask the calculated row. Fixes remaining issues with spinning cube scene in Overdrive 2.
Thu, 27 Apr 2017 23:08:49 -0700, by Michael Pavone
Adjust how the invalid size is handled for the horizontal dimmension of a plane. Fixes some garbage on the spinning cube scene of Overdrive 2
Thu, 27 Apr 2017 09:32:21 -0700, by Michael Pavone
Small tweak to how SAT cache updates are done. Mostly fixes the rotating cube scene in Overdrive 2
Wed, 26 Apr 2017 22:16:12 -0700, by Michael Pavone
Fix timing for branch not taken case in the M68K BCC intruction
Wed, 26 Apr 2017 21:55:12 -0700, by Michael Pavone
Add 128K VRAM bit to VDP register print in debugger
Wed, 26 Apr 2017 01:12:28 -0700, by Michael Pavone
Handle address register displacement when calculating branch targets in debugger
Wed, 26 Apr 2017 01:05:40 -0700, by Michael Pavone
Fix interaction between 68K debugger and instruction retranslation due to self modifying code or bank switching
Mon, 24 Apr 2017 20:49:31 -0700, by Michael Pavone
Add config file option to disable Open GL rendering
Sun, 23 Apr 2017 00:54:33 -0700, by Michael Pavone
Fix vgmplay target for ternary tree changes
Sat, 22 Apr 2017 01:22:47 -0700, by Michael Pavone
Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in
Fri, 21 Apr 2017 23:35:32 -0700, by Michael Pavone
Fairly major rework of how active/passive is handled along with how the V30 mode bit is handled. Allows the vertical border extension trick in Overdrive 2 to work right
Fri, 21 Apr 2017 01:22:52 -0700, by Michael Pavone
Minor optimization to avoid invalidating translated code when the bank has not actually changed. Makes a nasty edge case in the 68K debugger slightly less severe when dealing with code that uses banking
Fri, 21 Apr 2017 01:19:40 -0700, by Michael Pavone
Fixed timing for RTS and RTE
Thu, 20 Apr 2017 22:28:58 -0700, by Michael Pavone
Initial stab at implementing the output disable/layer selection bits of the VDP test register
Tue, 18 Apr 2017 19:27:10 -0700, by Michael Pavone
Fix time 68K is locked out of bus when doing a 128KB VRAM mode DMA transfer. Fixes a number of problems in Overdrive 2
Mon, 17 Apr 2017 23:58:21 -0700, by Michael Pavone
SAT table register bit 0 is not used in H40 mode. Fixes corrupt sprites in ship crash landing scene in Overdrive 2
Mon, 17 Apr 2017 20:54:33 -0700, by Michael Pavone
Fix some edge cases with regards to 128KB VRAM mode and the SAT cache
Sun, 16 Apr 2017 18:43:34 -0700, by Michael Pavone
Initial work on handling the 128KB VRAM mode bit and some basic prep work for VDP test register support
Sun, 16 Apr 2017 16:40:04 -0700, by Michael Pavone
Force display on in stateview if given a save state with the display off
Sun, 16 Apr 2017 16:38:56 -0700, by Michael Pavone
Fix copy pasta error in handling of Z80 VDP port reads. HV counter reads are not illegal writes =P. Fixes immediate exit in Overdrive II, though other problems remain
Sat, 15 Apr 2017 21:45:19 -0700, by Michael Pavone
Fix minor bug that displayed window plane as if it were plane A In plane debug view
Wed, 05 Apr 2017 09:48:49 -0700, by Michael Pavone
Allow a .l suffix to a memory print command to allow fetching and printing a longword
Tue, 04 Apr 2017 19:31:14 -0700, by Michael Pavone
Improved printing of word at absolute address to support reading from all address types. Implemented support for printing the value pointed to by a register. Removed abuse of read_dma_value in internal debugger.
Mon, 03 Apr 2017 20:48:13 -0700, by Michael Pavone
Allow adding .w or .b to select just the low word or byte of a register in a 68K debugger print command
Fri, 31 Mar 2017 19:11:04 -0700, by Michael Pavone
Allow printing current frame number in 68K debugger
Fri, 31 Mar 2017 19:07:04 -0700, by Michael Pavone
Fix accidental fallthrough on com debugger command
Fri, 31 Mar 2017 09:49:02 -0700, by Michael Pavone
YM2612 should also be reset on system soft reset
Thu, 30 Mar 2017 23:59:57 -0700, by Michael Pavone
Reset YM2612 whenver the Z80 is reset. Fixes issue with stuck notes in Fantastic Dizzy and Kid Chameleon
Thu, 30 Mar 2017 23:57:30 -0700, by Michael Pavone
Added Might and Magic III prototype to ROM DB as it requires SRAM, but does not indicate it in the standard header
Wed, 29 Mar 2017 22:31:37 -0700, by Michael Pavone
Update ROM DB to override region for Japanese version of Atomic Robo-Kid (incorrect header) and to support some more unlicensed Chinese games with fixed value registers as documented by Andlabs on the Sega Retro wiki
Wed, 29 Mar 2017 09:29:38 -0700, by Michael Pavone
Allow games to be specified in ROM DB via sha1 instead of product ID. Added a new ROM DB memory map device type fixed for emulating simple fixed value copy protection registers. Used those two features to support Ya Se Chuan Shuo via a ROM DB entry.
Wed, 29 Mar 2017 00:29:44 -0700, by Michael Pavone
Fix exit trace mode edge case. Call do_sync if trace mode bit is changed in eori sr
Tue, 28 Mar 2017 09:39:54 -0700, by Michael Pavone
Implemented M68K trace mode. Some edge cases/SR update paths still need work
Tue, 28 Mar 2017 00:13:35 -0700, by Michael Pavone
Add Japanese version of SSF2 to ROM database
Mon, 27 Mar 2017 09:45:40 -0700, by Michael Pavone
Initial implementation of YM2612 SSG-EG mode
Mon, 27 Mar 2017 00:40:10 -0700, by Michael Pavone
Basic implementation of CSM mode that should handle documented edge cases. Dodesn't handle the weird undocumented edge cases I don't have a good understanding of yet though
Sat, 25 Mar 2017 15:41:52 -0700, by Michael Pavone
Fix latching of V32 mode bit
Sat, 25 Mar 2017 11:31:43 -0700, by Michael Pavone
Prevent blowing past our native translated instruction size of 255 bytes when translating movem with a large register list. Fixes bug in which Fantastic Dizzy was completely broken on 32-bit builds
Sat, 25 Mar 2017 00:21:32 -0700, by Michael Pavone
Fix SBCD edge cases to pass Flamewing's test ROM. Could use some cleanup to produce better code for the SBCD case, but produces correct results now
Wed, 22 Mar 2017 22:16:39 -0700, by Michael Pavone
Change the default screenshot path as per ticket:14
Tue, 21 Mar 2017 21:59:05 -0700, by Michael Pavone
Make save directory configurable. Satisfies ticket:4
Tue, 21 Mar 2017 21:40:47 -0700, by Michael Pavone
Allow variables in screenshot_path like initial_path
Tue, 21 Mar 2017 19:56:50 -0700, by Michael Pavone
Don't leak a ternary tree when building the menu's initial path
Tue, 21 Mar 2017 19:48:08 -0700, by Michael Pavone
Allow initial_path to contain variable references which allows the default value to be actually specified in the default config file
Tue, 21 Mar 2017 00:40:25 -0700, by Michael Pavone
Adjust Z80 interrupt pulse duration to match hardware measurements
Sun, 19 Mar 2017 18:32:49 -0700, by Michael Pavone
Change handling of invalid scroll plane sizes. Fixes title and high score screens in The Incredible Hulk
Sun, 19 Mar 2017 12:54:20 -0700, by Michael Pavone
Adjust DMA start delay to not break the FIFO Wait State test in the VDP FIFO Testing ROM
Sun, 19 Mar 2017 11:17:40 -0700, by Michael Pavone
Minor fix to hacky refresh emulation code to more closely match my intent
Sun, 19 Mar 2017 11:14:34 -0700, by Michael Pavone
Add Mega Everdrive style header detection for homebrew using the SSF2 mapper, though without the Mega Everdrive extensions. Properly invalidate translated code on a bank switch when using the SSF2/Sega mapper
Sun, 19 Mar 2017 00:34:15 -0700, by Michael Pavone
Basic refresh emulation that doesn't break direct color DMA demos. Fixes sound after entering pause menu in Pacman 2: The New Adventures
Sat, 18 Mar 2017 23:18:37 -0700, by Michael Pavone
Remove hacky post-DMA delay add proper pre-DMA delay based on logic analyzer capture. 512 color screen is a bit messed up but mostly works. Needs investigation
Sat, 18 Mar 2017 17:09:14 -0700, by Michael Pavone
Minor fix to timing of "early" overflow case in divs when the dividend is negative
Fri, 17 Mar 2017 08:05:55 -0700, by Michael Pavone
Fixed some deficiencies in the 68K test generator
Fri, 17 Mar 2017 08:02:03 -0700, by Michael Pavone
Cycle accurate implementation of divs
Wed, 15 Mar 2017 19:05:27 -0700, by Michael Pavone
Fix heuristic detection of SRAM for 3MB ROMs with SRAM at the 3MB mark
Tue, 14 Mar 2017 00:06:19 -0700, by Michael Pavone
Added a ROM DB entry for Hardball III. This game lacks a proper SRAM header
Tue, 14 Mar 2017 00:05:33 -0700, by Michael Pavone
RESET is not a terminal instruction on the 68K. Fixes a crash bug in Chavez II and possibly other games
Mon, 13 Mar 2017 23:14:13 -0700, by Michael Pavone
Fix VDP buffer overrun that was causing sprite flickering in some games
Mon, 13 Mar 2017 23:13:24 -0700, by Michael Pavone
Properly treat invalid addressing modes for PEA/LEA as invalid instructinos
Mon, 13 Mar 2017 00:23:58 -0700, by Michael Pavone
Fix undefined flags on overflow and divide by zero for divu based on hardware test. Fix saving result of divu when destination is not stored in a host register
Thu, 09 Mar 2017 23:50:46 -0800, by Michael Pavone
Fix bug in handling of translating unmapped addresses
Thu, 09 Mar 2017 22:17:46 -0800, by Michael Pavone
Forgot to update flags in the "good" case of the new divu code
Thu, 09 Mar 2017 21:31:31 -0800, by Michael Pavone
Fix graphical corruption and sprite flickering introduced into some games by the last change for horizontal border support
Thu, 09 Mar 2017 19:23:24 -0800, by Michael Pavone
Fill in the rest of the framebuffer holes created by horizontal border. Work remains for things to be seemless when display gets turned on and off mid frame
Tue, 07 Mar 2017 20:17:12 -0800, by Michael Pavone
Fix some of the framebuffer fill holes introduced by horizontal border changes
Tue, 07 Mar 2017 00:01:16 -0800, by Michael Pavone
Adjust correspondance between slot number and actual video output to better match video signal measurements and analysis of Outrunners behavior on hardware. Partially fixes ticket:13
Mon, 06 Mar 2017 23:05:31 -0800, by Michael Pavone
Render horizontal border in H32 mode as well. Both modes still need some minor work to deal with inactive/active transition
Mon, 06 Mar 2017 09:54:44 -0800, by Michael Pavone
Width on glTexSubImage2D call in render_framebuffer_updated needs to match the buffer pitch
Mon, 06 Mar 2017 09:46:50 -0800, by Michael Pavone
Initial stab at horizontal border emulation. Only works for H40 and still has a few minor holes to fill
Mon, 06 Mar 2017 00:23:35 -0800, by Michael Pavone
Don't allow the keyboard capture key to get passed to the emulated keyboard
Sat, 04 Mar 2017 21:34:15 -0800, by Michael Pavone
Fix info_message/warning/error functions to deal with limitations of vsnprintf on Windows
Sat, 04 Mar 2017 19:02:53 -0800, by Michael Pavone
Fix secondary targets
Sat, 04 Mar 2017 12:00:42 -0800, by Michael Pavone
Implement raw screenshot functionality requested in ticket:10
Sat, 04 Mar 2017 11:50:14 -0800, by Michael Pavone
Cycle accurate divu and undefined flags for overflow case
Fri, 03 Mar 2017 23:51:29 -0800, by Michael Pavone
Improve hacky name parsing code to handle Whac a Critter/Mallet Legend
Thu, 02 Mar 2017 22:22:54 -0800, by Michael Pavone
Fix implementation of in c and out c on 32-bit x86
Thu, 02 Mar 2017 22:18:15 -0800, by Michael Pavone
Support for the Realtec mapper. Needs testing with games besides The Earth Defend
Thu, 02 Mar 2017 21:08:33 -0800, by Michael Pavone
Fix scancode for F key
Wed, 01 Mar 2017 00:14:50 -0800, by Michael Pavone
Fix removal of scan codes from buffer in XBAND keyboard
Wed, 01 Mar 2017 00:08:18 -0800, by Michael Pavone
Only allow keyboard capture if the emulated system has a keyboard attached
Wed, 01 Mar 2017 00:00:04 -0800, by Michael Pavone
Automatically connect XBAND keyboard if XBAND ROM is detected
Tue, 28 Feb 2017 23:52:16 -0800, by Michael Pavone
Implement keyboard capture functionality
Tue, 28 Feb 2017 23:50:12 -0800, by Michael Pavone
immediate and predecrement are illegal source address modes for movem. Fixes ticket:8 and ticket:9
Tue, 28 Feb 2017 21:59:58 -0800, by Michael Pavone
Don't depend on USER being set in build_nightly as it does not seem to work when build job is run from cron
Mon, 27 Feb 2017 00:38:53 -0800, by Michael Pavone
More logging. Fix path in upload step of build_upload_win_nightly
Mon, 27 Feb 2017 00:28:05 -0800, by Michael Pavone
Add some logging to build_nightly
Mon, 27 Feb 2017 00:21:38 -0800, by Michael Pavone
Eliminate usage of wine in build_release
Mon, 27 Feb 2017 00:17:53 -0800, by Michael Pavone
build_upload_win_nightly needs some steps from build_nightly since it skips invoking that script and instead calls build_release directly
Mon, 27 Feb 2017 00:02:20 -0800, by Michael Pavone
Missed a usage of Wine in Makefile
Sun, 26 Feb 2017 23:37:11 -0800, by Michael Pavone
Windows nightly build upload script
Sun, 26 Feb 2017 23:25:11 -0800, by Michael Pavone
Fix direct usage of read rather than GDB_READ in gdb_remote.c
Sun, 26 Feb 2017 23:20:11 -0800, by Michael Pavone
Update Windows build to use mingw-w64 cross compiler rather than Wine
Sun, 26 Feb 2017 23:18:21 -0800, by Michael Pavone
Seems like network in the container takes a moment to work, added a sleep to build_upload_nightly to compensate
Sun, 26 Feb 2017 20:50:03 -0800, by Michael Pavone
Use public key auth rather than trying to make passowrd auth work in a script
Sun, 26 Feb 2017 20:21:52 -0800, by Michael Pavone
Fixes for nightly build upload script
Sun, 26 Feb 2017 19:51:05 -0800, by Michael Pavone
Fun untested changes for uploading nightly builds
Sun, 26 Feb 2017 16:49:26 -0800, by Michael Pavone
Remove clean step from SDL and glew dependencies in release_build script. Should not be needed now that each build type will have it's own environment
Sun, 26 Feb 2017 01:55:34 -0800, by Michael Pavone
Back out -j4 on blastem make as it appears to be calling problems too
Sun, 26 Feb 2017 01:46:39 -0800, by Michael Pavone
Back out -j4 on sdl make as it does not appear to be safe
Sun, 26 Feb 2017 01:40:53 -0800, by Michael Pavone
Add some parallelism to build_release make invocations
Sun, 26 Feb 2017 01:29:37 -0800, by Michael Pavone
Small fix to build_nightly
Sun, 26 Feb 2017 01:10:09 -0800, by Michael Pavone
Small fix to build_nightly
Sun, 26 Feb 2017 01:08:42 -0800, by Michael Pavone
Added untested script for part of a nightly build process
Sun, 26 Feb 2017 00:57:29 -0800, by Michael Pavone
Initial implementation of the XBAND "Eric Smith" keyboard
Sat, 25 Feb 2017 02:31:07 -0800, by Michael Pavone
Cut down on the verbose logging in XBAND code
Sat, 25 Feb 2017 02:30:55 -0800, by Michael Pavone
Awful hack to get the XBAND menu booting
Fri, 24 Feb 2017 00:08:52 -0800, by Michael Pavone
Minor xband fixes
Thu, 23 Feb 2017 22:09:34 -0800, by Michael Pavone
WIP support for XBAND mapper hardware
Thu, 23 Feb 2017 00:08:37 -0800, by Michael Pavone
WIP update to README for 0.5.0
Thu, 23 Feb 2017 00:08:17 -0800, by Michael Pavone
Minor fix to 68K instruction decoder
Thu, 23 Feb 2017 00:08:04 -0800, by Michael Pavone
Fix loading of the R register from the in memory context
Sun, 19 Feb 2017 17:37:25 -0800, by Michael Pavone
Ported correct but inefficient overlapping instruction handling from 68K core to Z80 core. Fixed remaining stack alignment issue for Z80 breakpoints on 64-bit. Probably still needs fixing for 32-bit
Sun, 19 Feb 2017 12:41:57 -0800, by Michael Pavone
Fix indentation of -m option
Sat, 18 Feb 2017 05:42:37 -0800, by Michael Pavone
Hacky fix so sound works in Project MD again
Tue, 14 Feb 2017 05:14:10 -0800, by Michael Pavone
Fix handling of SRAM overlapping with ROM
Tue, 14 Feb 2017 04:44:37 -0800, by Michael Pavone
Add mising include in genesis.c so the Windows build works again
Tue, 14 Feb 2017 04:15:49 -0800, by Michael Pavone
Fix timing for instructions using BINARY_IMPL
Sun, 12 Feb 2017 12:38:31 -0800, by Michael Pavone
Properly treat bad addressing modes in OR/AND as illegal instructions
Thu, 09 Feb 2017 00:49:53 -0800, by Michael Pavone
Update TODO to reflect MULU/MULS improvements
Sat, 04 Feb 2017 00:44:29 -0800, by Michael Pavone
Cycle accurate MULU/MULS emulation
Sat, 04 Feb 2017 00:41:15 -0800, by Michael Pavone
Basic implementation of serial IO registers, but without actual serial IO support. Needed to run a certain software check cartridge that is floating around.
Wed, 01 Feb 2017 21:19:35 -0800, by Michael Pavone
Fix regression in handling of unmapped memory addresses
Wed, 01 Feb 2017 19:33:11 -0800, by Michael Pavone
Remove movem item from TODO since it is done
Sun, 29 Jan 2017 11:06:22 -0800, by Michael Pavone
Implement extra read and fix movem timing generally
Sun, 29 Jan 2017 00:15:18 -0800, by Michael Pavone
Minor TODO list update
Sat, 28 Jan 2017 23:50:38 -0800, by Michael Pavone
Fix vgmplay and stateview targets
Sat, 28 Jan 2017 23:50:15 -0800, by Michael Pavone
Implement SMS hardware soft reset (note only available on real hardware on the Genesis in PBC mode)
Fri, 27 Jan 2017 22:30:52 -0800, by Michael Pavone
Implement soft reset in Genesis mode
Fri, 27 Jan 2017 21:27:37 -0800, by Michael Pavone
Basic support for mapping an analog axis to functionality
Thu, 26 Jan 2017 23:49:13 -0800, by Michael Pavone
Update default config to map leftstick/l3 to quick save
Thu, 26 Jan 2017 20:30:33 -0800, by Michael Pavone
Added mappings to allow PS-style names for leftstick/rightstick click actions aka l3/r3
Thu, 26 Jan 2017 20:28:00 -0800, by Michael Pavone
Added config file option to specify that RAM should be randomly initialized. Moved default_region inside a new "system" parent node in config
Thu, 26 Jan 2017 20:07:17 -0800, by Michael Pavone
Updated TODO
Thu, 26 Jan 2017 09:08:23 -0800, by Michael Pavone
Allow toggling full screen mode at runtime. Allow resizing the window in windowed mode. Allow specifying the aspect ratio in the config file.
Thu, 26 Jan 2017 00:55:02 -0800, by Michael Pavone
Use filename for game title in SMS mode
Wed, 25 Jan 2017 09:41:12 -0800, by Michael Pavone
Minor TODO list update
Tue, 24 Jan 2017 23:59:32 -0800, by Michael Pavone
Update TODO list
Tue, 24 Jan 2017 23:45:30 -0800, by Michael Pavone
Adjust mouse cursor in absolute mode/menu to account for presence of top border
Tue, 24 Jan 2017 23:17:24 -0800, by Michael Pavone
Minor cleanup to handle_mouse_moved
Tue, 24 Jan 2017 23:16:21 -0800, by Michael Pavone
Fix stateview and vgmplay targets
Tue, 24 Jan 2017 23:00:56 -0800, by Michael Pavone
Improved parsing of cartridge region header
Tue, 24 Jan 2017 21:26:46 -0800, by Michael Pavone
Make gamepad "semantic" mapping play nice with hotplug support
Tue, 24 Jan 2017 20:53:10 -0800, by Michael Pavone
Added a ROM DB entry for the European version of Another World since it has an invalid region header and does not like being run at 60Hz
Tue, 24 Jan 2017 18:53:55 -0800, by Michael Pavone
Inefficient fix for overlapping instruction problem that was causing issues with Outrunners
Tue, 24 Jan 2017 00:15:27 -0800, by Michael Pavone
Remove accidentally committed debug logging
Tue, 24 Jan 2017 00:02:03 -0800, by Michael Pavone
Update version number for preview build
Sun, 22 Jan 2017 19:43:04 -0800, by Michael Pavone
Force IPV4 for GDB remote debugging on Windows. Bind to localhost instead of unspecified address since listening on external ports probably isn't a good idea in the general case
Sun, 22 Jan 2017 19:40:32 -0800, by Michael Pavone
Fix missing include that prevented building Windows version
Sun, 22 Jan 2017 17:12:17 -0800, by Michael Pavone
Initial support for using SDL2 game controller mapping functionality
Sun, 22 Jan 2017 16:23:59 -0800, by Michael Pavone
Consting up some parameters to ternary tree functions
Sun, 22 Jan 2017 16:13:02 -0800, by Michael Pavone
Fix border rendering at end of line 1FE. vdp_inactive will probably need a small fixup for the edge case when we start between when the vcounter is incremented and the line is truly finished.
Thu, 19 Jan 2017 09:32:34 -0800, by Michael Pavone
Overscan is now configurable
Wed, 18 Jan 2017 23:43:36 -0800, by Michael Pavone
CRAM contention artifact emulation
Wed, 18 Jan 2017 21:30:20 -0800, by Michael Pavone
Fix regression in tracking of 3+ byte instructions in Z80 core
Wed, 18 Jan 2017 07:29:06 -0800, by Michael Pavone
Update gst loader to deal with VDP changes
Tue, 17 Jan 2017 19:01:13 -0800, by Michael Pavone
Undo poorly thought out minor optimization that screwed up rendering
Tue, 17 Jan 2017 19:01:04 -0800, by Michael Pavone
Fix vdp_run_to_vblank
Tue, 17 Jan 2017 09:27:05 -0800, by Michael Pavone
Disable timing debug
Tue, 17 Jan 2017 09:18:35 -0800, by Michael Pavone
Fix line advancement in Mode 4 during inactive display. Fix a Mode 4 VInt timing discrepency
Tue, 17 Jan 2017 09:18:16 -0800, by Michael Pavone
Add some dummy functions to test_int_timing so debug builds of it succeed
Tue, 17 Jan 2017 09:17:43 -0800, by Michael Pavone
Fix H40 VInt inconsistency
Tue, 17 Jan 2017 09:02:36 -0800, by Michael Pavone
Fix H32 VInt timing inconsistency
Mon, 16 Jan 2017 23:34:30 -0800, by Michael Pavone
Fix H32 inconsistency
Mon, 16 Jan 2017 22:30:21 -0800, by Michael Pavone
Added synthetic test for tracking down interrupt timing issues
Mon, 16 Jan 2017 21:38:49 -0800, by Michael Pavone
Fix some timing inconsistencies in H40 mode. Added some ifdefed timing debug code.
Mon, 16 Jan 2017 09:31:33 -0800, by Michael Pavone
Don't adjust cycles every frame. Only when we start getting close to UINT_MAX. Don't adjust all the way down to zero when we do adjust. Shouldn't fix anything, but may make debugging current issues easier.
Sun, 15 Jan 2017 22:54:01 -0800, by Michael Pavone
Rework how inactive lines are handled. Fix H40 cycle increment in slot 182
Sun, 15 Jan 2017 22:38:31 -0800, by Michael Pavone
Fix benchmark mode
Sun, 15 Jan 2017 15:29:32 -0800, by Michael Pavone
Initial work on emulating top and bottom border area
Sun, 15 Jan 2017 15:07:24 -0800, by Michael Pavone
Fix GDB remote protocol support
Tue, 10 Jan 2017 23:45:59 -0800, by Michael Pavone
Fix crash regression for games with some kind of mapper functionality
Tue, 10 Jan 2017 09:29:28 -0800, by Michael Pavone
Restore functionality of the -D flag for GDB remote debugging
Tue, 10 Jan 2017 09:19:58 -0800, by Michael Pavone
Fix disagreement on line change location between vdp_h32_mode4 and vdp_run_context that was causing the first line to be garbage in some cases
Mon, 09 Jan 2017 19:24:11 -0800, by Michael Pavone
Forgot that the expansion to 32-bit values for 16-bit addresses is not done when calling a C function to handle a memory operation. Mask on location in mapper_write was needed afterall
Sun, 08 Jan 2017 16:55:30 -0800, by Michael Pavone
A bunch of Mode 4 fixes
Sun, 08 Jan 2017 13:39:44 -0800, by Michael Pavone
Update H32 and Mode 4 mappings based on latest tests
Sun, 08 Jan 2017 10:46:32 -0800, by Michael Pavone
Fix decoding of undocumented Z80 instruction out (c), 0
Sun, 08 Jan 2017 00:30:48 -0800, by Michael Pavone
Adjust analyze_olp SAT address to match testpattern values rather than Space Hawks
Sat, 07 Jan 2017 16:28:29 -0800, by Michael Pavone
Fix H40 slot mapping to better match old VRAM bus captures and adjust for recent VCounter measurements
Fri, 06 Jan 2017 19:25:04 -0800, by Michael Pavone
Clear sprite overflow flag when control port read. Fix vcounter progression in Mode 4
Thu, 05 Jan 2017 19:15:53 -0800, by Michael Pavone
Fix Mode 4 sprite collision flag
Thu, 05 Jan 2017 00:42:11 -0800, by Michael Pavone
Implemented Mode 4 H conter latching
Thu, 05 Jan 2017 00:36:23 -0800, by Michael Pavone
BlastEm now passes all of the tests on the first page of "Megadrive VDP Test" in VDPTEST.sms
Thu, 05 Jan 2017 00:08:28 -0800, by Michael Pavone
Fix to pass a couple more tests in VDPTEST.sms
Wed, 04 Jan 2017 23:01:58 -0800, by Michael Pavone
Fix some issues with VDP interface in Mode 4/PBC mode
Wed, 04 Jan 2017 22:48:00 -0800, by Michael Pavone
Display both byte and word pending values to better reflect VDP pending state in PBC mode
Wed, 04 Jan 2017 21:23:59 -0800, by Michael Pavone
Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Wed, 04 Jan 2017 20:43:22 -0800, by Michael Pavone
Fix reading from second controller port in SMS mode
Tue, 03 Jan 2017 23:03:30 -0800, by Michael Pavone
Fix implementation of Z80 HALT instruction
Tue, 03 Jan 2017 21:37:36 -0800, by Michael Pavone
Add support for SMS controllers
Tue, 03 Jan 2017 21:18:52 -0800, by Michael Pavone
Fix RAM flag offset calculation to take into account the existence of non-writeable MMAP_CODE chunks
Tue, 03 Jan 2017 21:18:42 -0800, by Michael Pavone
Increment TH counter on low to high transitions rather than high to low transitions for six button controllers. Fixes Charles MacDonald's SMS six button controller demo
Tue, 03 Jan 2017 20:43:35 -0800, by Michael Pavone
Fix handling of IO control writes in SMS mode
Tue, 03 Jan 2017 20:42:15 -0800, by Michael Pavone
Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0
Mon, 02 Jan 2017 23:35:40 -0800, by Michael Pavone
Initial support for Sega's family of SMS mappers
Mon, 02 Jan 2017 22:54:24 -0800, by Michael Pavone
Detect system type from filename if header based methods fail. Allow overriding system type from command line.
Mon, 02 Jan 2017 21:46:26 -0800, by Michael Pavone
Old uncommitted fix for Android build
Mon, 02 Jan 2017 16:33:03 -0800, by Michael Pavone
Fix Mode 4 sprite table Y scan to account for VRAM byte swapping
Mon, 02 Jan 2017 16:25:13 -0800, by Michael Pavone
Fix slot tracking screwup
Sun, 01 Jan 2017 23:00:28 -0800, by Michael Pavone
Fix horizontal scrolling in Mode 4
Sun, 01 Jan 2017 22:47:23 -0800, by Michael Pavone
Update Mode 4 rendering to match logic analyzer captures
Sun, 01 Jan 2017 21:06:32 -0800, by Michael Pavone
Fix a bug in hslot advancement in Mode 4. Fix some of the "inactive_start" calculations that did not take into account Mode 4.
Sun, 01 Jan 2017 02:33:06 -0800, by Michael Pavone
Make Mode 4 sprite rendering a little less broken
Sun, 01 Jan 2017 01:23:26 -0800, by Michael Pavone
Fix rendering of BG color index 0 in Mode 4. Only transparent with respect to sprites and not the backdrop like in Mode 5
Sun, 01 Jan 2017 01:16:43 -0800, by Michael Pavone
Partial fix for Z80 debugger brokeness introduced with stack alignment changes
Sun, 01 Jan 2017 01:10:44 -0800, by Michael Pavone
Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores
Wed, 28 Dec 2016 20:39:27 -0800, by Michael Pavone
Enabled Z80 debugger in PBC mode
Wed, 28 Dec 2016 12:28:52 -0800, by Michael Pavone
Detect failures to initialize a system context and report an error rather than crashing
Tue, 27 Dec 2016 18:58:31 -0800, by Michael Pavone
Fix Mode 4 color mapping
Tue, 27 Dec 2016 14:31:27 -0800, by Michael Pavone
Clear interrupt status flags after getting the status register value rather than before
Tue, 27 Dec 2016 13:59:01 -0800, by Michael Pavone
Brighten up Mode 4 colors
Tue, 27 Dec 2016 13:46:06 -0800, by Michael Pavone
The function of the HVC Latch enable bit in mode register 1 is different when not in mode 5
Tue, 27 Dec 2016 13:38:58 -0800, by Michael Pavone
Fix inactive start line for Mode 4 in vdp_next_hint. Fix an off by one error in the range of registers allowed to be written in Mode 4
Tue, 27 Dec 2016 13:26:14 -0800, by Michael Pavone
Implemented Mode 4 sprite list termination
Tue, 27 Dec 2016 13:11:07 -0800, by Michael Pavone
Less broken Mode 4 implementation
Tue, 27 Dec 2016 12:43:37 -0800, by Michael Pavone
Somewhat broken implementation of Mode 4
Tue, 27 Dec 2016 11:31:17 -0800, by Michael Pavone
Fix clearing of interrupt pending flags on control port read in PBC mode
Thu, 22 Dec 2016 20:39:35 -0800, by Michael Pavone
Added Jaguar header missed in earlier commits
Thu, 22 Dec 2016 19:54:11 -0800, by Michael Pavone
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Thu, 22 Dec 2016 19:51:25 -0800, by Michael Pavone
More cleanup in preparation for SMS/Mark III support
Thu, 22 Dec 2016 10:51:33 -0800, by Michael Pavone
WIP Jaguar GPU/DSP emulation
Mon, 19 Dec 2016 14:16:59 -0800, by Michael Pavone
Fix blastjag target
Mon, 19 Dec 2016 14:16:43 -0800, by Michael Pavone
Restore 68K address logging functionality
Mon, 19 Dec 2016 13:58:51 -0800, by Michael Pavone
Fix intermittent crash in GST savestate loading
Mon, 19 Dec 2016 13:46:58 -0800, by Michael Pavone
Mostly working changes to allow support for multiple emulated system types in main blastem program
Mon, 19 Dec 2016 13:28:18 -0800, by Michael Pavone
Fix a couple of timing regressions in Z80 core
Wed, 14 Dec 2016 23:27:42 -0800, by Michael Pavone
Fix a subtle bug in interrupt handling introduced with the move to a single cycle register in the Z80 core. Fixes regression in Puyo Puyo 2
Wed, 14 Dec 2016 23:26:12 -0800, by Michael Pavone
Fix Z80 interrupt pulse duration. Fixes inconsistent music playback speed in Sonic 2 introduced in 0.4.1
Wed, 14 Dec 2016 20:20:34 -0800, by Michael Pavone
Fix to the fix of handling of self modifying code. Was ORing the base address with the wrong register before calling the modified code handler
Mon, 12 Dec 2016 19:21:22 -0800, by Michael Pavone
Fix field flag handling bug introduced with VDP/render interface cleanup
Mon, 12 Dec 2016 09:50:33 -0800, by Michael Pavone
Fix Z80 RAM mapping after refactor
Sun, 11 Dec 2016 22:00:41 -0800, by Michael Pavone
Fix the previous WIP commit. Quick tests suggests things are no more broken than before now.
Fri, 09 Dec 2016 18:39:44 -0800, by Michael Pavone
WIP split of ROM loading/argument parsing from Genesis emulation code. Compiles and doesn't crash, but nothing works. Still a few too many globals as well.
Fri, 09 Dec 2016 09:48:48 -0800, by Michael Pavone
Clean up symbol visiblity and delete a ltitle bit of dead code
Mon, 28 Nov 2016 22:45:46 -0800, by Michael Pavone
Update stateview so it builds successfully again
Tue, 15 Nov 2016 08:18:57 -0800, by Michael Pavone
Fix Jaguar video interrupt cycle calculation
Sat, 05 Nov 2016 21:41:23 -0700, by Michael Pavone
Fix CRY color mapping
Sat, 05 Nov 2016 21:19:18 -0700, by Michael Pavone
Fix implementation of scaled objects. Implement transparency flag
Sat, 05 Nov 2016 17:16:16 -0700, by Michael Pavone
Get Jaguar video interrupt working
Sat, 05 Nov 2016 00:23:11 -0700, by Michael Pavone
Better disassembly of GPU/DSP load store instructions
Mon, 31 Oct 2016 18:41:42 -0700, by Michael Pavone
Correct disassembly of r14/r15 relative loads and stores
Mon, 31 Oct 2016 18:36:17 -0700, by Michael Pavone
Get Jaguar disassembler more or less working. Dump gpu program to file when GPU GO bit is set
Mon, 31 Oct 2016 09:23:25 -0700, by Michael Pavone
Initial stab at jaguar disassemler
Sun, 30 Oct 2016 19:42:48 -0700, by Michael Pavone
Slightly more detailed logging of unhandled register writes
Sun, 30 Oct 2016 19:42:30 -0700, by Michael Pavone
Fix segfault in certain games that have SRAM and ROM bankswitched at the same address
Sun, 16 Oct 2016 21:58:29 -0700, by Michael Pavone
Initial stab at implementing the Jaguar object processor
Sun, 16 Oct 2016 18:25:18 -0700, by Michael Pavone
Initial implementation of video output hardware
Wed, 12 Oct 2016 09:39:52 -0700, by Michael Pavone
Basic handling of video/object processor register writes
Sat, 08 Oct 2016 23:49:20 -0700, by Michael Pavone
Added placeholder code for video output hardware/object processor
Fri, 07 Oct 2016 18:27:38 -0700, by Michael Pavone
Made some optimizations to gen_mem_fun to keep the size of chunk handler sections within range of a single byte displacement
Thu, 06 Oct 2016 22:25:12 -0700, by Michael Pavone
Fix some unresolved symbols when linking blastjag
Thu, 06 Oct 2016 21:12:40 -0700, by Michael Pavone
Remove hacky assumption about Genesis memory map in M68K core
Thu, 06 Oct 2016 21:11:58 -0700, by Michael Pavone
Byteswap ROMs in jaguar ROM loader. Handle switching memory map from writes to memcon1. Fix some typos in error messages
Thu, 06 Oct 2016 09:35:35 -0700, by Michael Pavone
Add support for specifying a reset handler in the M68K core. Adjust memory map initialization to handle extra field. Improved handling of out of bounds execution.
Thu, 06 Oct 2016 09:34:31 -0700, by Michael Pavone
Fix handling of MMAP_CODE chunks that also have MMAP_PTR_IDX set
Thu, 06 Oct 2016 09:25:43 -0700, by Michael Pavone
Some initial work on Atari Jaguar emulation
Tue, 04 Oct 2016 18:30:49 -0700, by Michael Pavone
Add a new memory map flag to support an auxilliary buffer for translating code from MMAP_PTR_IDX chunks for which the pointer is null
Tue, 04 Oct 2016 18:30:24 -0700, by Michael Pavone
Added some hacky support for specifying a start offset in 68K disassembler
Tue, 04 Oct 2016 18:28:35 -0700, by Michael Pavone
Cleanup the separation of render backend and VDP code in preparation for having extra debug windows. Make determination of H40/H32 based on number of lines in each mode.
Mon, 22 Aug 2016 09:46:18 -0700, by Michael Pavone
Removed obsolete TOOD
Fri, 12 Aug 2016 09:39:39 -0700, by Michael Pavone
Fix a memory leak in try_alloc_arena
Fri, 12 Aug 2016 09:29:08 -0700, by Michael Pavone
Fix NOGL compile option
Tue, 09 Aug 2016 22:54:35 -0700, by Michael Pavone
Make the Makefile more OpenBSD friendly. LTO is not supported on the super old version of GCC it uses. uname -m reports different names than Linux. compiler will return error on rather than just warning for unknown options
Tue, 09 Aug 2016 22:49:32 -0700, by Michael Pavone
Fixed a bug in call_raxfallback that would cause the call to be omitted completely in the RAX fallback case. This fixes a crash on OpenBSD and possibly other systems
Tue, 09 Aug 2016 21:29:49 -0700, by Michael Pavone
Added tag v0.4.1 for changeset 1ffa7891b4ec
Sat, 06 Aug 2016 07:41:01 -0700, by Michael Pavone
Final 0.4.1 changelog update v0.4.1
Sat, 06 Aug 2016 07:40:43 -0700, by Michael Pavone
Updated special thanks
Fri, 05 Aug 2016 23:10:16 -0700, by Michael Pavone
Fix a memory corruption bug from failing to grow the buffer for the window caption when switching games
Fri, 05 Aug 2016 22:24:43 -0700, by Michael Pavone
Added Evander 'Real Deal' Holyfield's Boxing to the ROM DB
Fri, 05 Aug 2016 22:24:36 -0700, by Michael Pavone
Updated README
Thu, 04 Aug 2016 19:27:04 -0700, by Michael Pavone
Updated changelog
Thu, 04 Aug 2016 00:19:36 -0700, by Michael Pavone
Add Special Thanks to About menu
Wed, 03 Aug 2016 23:55:16 -0700, by Michael Pavone
Updat version number in preparation for upcoming release
Tue, 02 Aug 2016 09:31:05 -0700, by Michael Pavone
Implemented IND and INDR
Mon, 01 Aug 2016 19:24:51 -0700, by Michael Pavone
Implemented INIR
Mon, 01 Aug 2016 19:18:50 -0700, by Michael Pavone
Implement INI
Mon, 01 Aug 2016 09:48:10 -0700, by Michael Pavone
Added some hacky code to support a virtual root directory for selecting drives on Windows
Sun, 31 Jul 2016 15:20:00 -0700, by Michael Pavone
Use more appropriate paths for save directories and config files on Windows. Got rid of what should be the last vestiges of hard-coded path separators
Sat, 30 Jul 2016 23:36:02 -0700, by Michael Pavone
Fix handling of undocumented flag bits for ADD in 32-bit builds
Sat, 30 Jul 2016 16:01:57 -0700, by Michael Pavone
Fixed bug introduced in NEG with addition of undocumented flags
Sat, 30 Jul 2016 14:03:25 -0700, by Michael Pavone
Implement undocumented flag bits for shift instructions
Fri, 29 Jul 2016 22:06:45 -0700, by Michael Pavone
Implement undocumented flag bits for RLD and RRD
Fri, 29 Jul 2016 20:59:19 -0700, by Michael Pavone
Implemented undocumented flag bits for rotate instructions
Fri, 29 Jul 2016 09:23:59 -0700, by Michael Pavone
Implement undocumented flag bits for block LD instructions
Fri, 29 Jul 2016 09:14:32 -0700, by Michael Pavone
Implement undocumented flag bits for block CP instructions
Fri, 29 Jul 2016 00:17:40 -0700, by Michael Pavone
Implement undoumented flag bits for DAA, CPL, SCF and CCF
Thu, 28 Jul 2016 23:37:46 -0700, by Michael Pavone
Partial support for undocumented flag bits
Thu, 28 Jul 2016 22:59:09 -0700, by Michael Pavone
More efficient register usage in 32-bit mode
Wed, 27 Jul 2016 23:08:05 -0700, by Michael Pavone
Change cycle tracking code for Z80 core to only use a single register. Store low 7 bits of R in a reg and increment it appropriately.
Wed, 27 Jul 2016 22:46:22 -0700, by Michael Pavone
Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Tue, 26 Jul 2016 23:12:23 -0700, by Michael Pavone
Implement half-carry for INC, DEC and NEG
Tue, 26 Jul 2016 00:11:33 -0700, by Michael Pavone
Properly handle redundant prefixes
Mon, 25 Jul 2016 23:16:04 -0700, by Michael Pavone
Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Sun, 24 Jul 2016 18:53:22 -0700, by Michael Pavone
Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Sun, 24 Jul 2016 17:17:59 -0700, by Michael Pavone
Add ROM DB entry for Madden NFL 98 as it is missing SRAM info in its header and will not work without it
Sat, 23 Jul 2016 16:00:18 -0700, by Michael Pavone
Implement Z80 block OUT instructions. Fixes Power Monger
Sat, 23 Jul 2016 12:43:52 -0700, by Michael Pavone
Fix bug in ensure_dir_exists that would cause it to fail when mixed path separators were used
Tue, 19 Jul 2016 21:57:23 -0700, by Michael Pavone
Add ROM DB entry for Wonder Boy in Monster World that was accidentally removed in a previous commit
Sun, 17 Jul 2016 23:18:30 -0700, by Michael Pavone
Merge
Sun, 17 Jul 2016 23:05:53 -0700, by Michael Pavone
Added Buck Rogers to ROM DB as it needs SRAM, but does not specify it in the header
Thu, 30 Jun 2016 09:42:17 -0700, by Michael Pavone
Added support for binding a bunch more "special" keys
Mon, 16 May 2016 09:54:05 -0700, by Michael Pavone
Slightly better handling of directory read errors
Thu, 12 May 2016 19:26:58 -0700, by Michael Pavone
Complete SDL to Saturn scan code mapping
Sun, 15 May 2016 17:53:56 -0700, by Michael Pavone
Fix bug in vflip implementation when in double resolution interlace mode
Sun, 15 May 2016 16:22:45 -0700, by Michael Pavone
Fixed a bug in get_header_name that results in a crash if the "International Name" field is blank
Sun, 15 May 2016 12:10:49 -0700, by Michael Pavone
Fixed a really egregious bug in the arena implementation. Not sure how this even worked at all before.
Sun, 15 May 2016 12:02:56 -0700, by Michael Pavone
Fix implementation of sprite collision flag. Old implementation did not make sense.
Wed, 11 May 2016 22:43:18 -0700, by Michael Pavone
Initial stab at Saturn keyboard support
Wed, 11 May 2016 01:15:54 -0700, by Michael Pavone
Fix PC value pushed to stack for A and F line traps
Tue, 10 May 2016 21:26:27 -0700, by Michael Pavone
Fix bug in 68K movep.l when the destination is a register mapped to a host register
Tue, 10 May 2016 08:59:17 -0700, by Michael Pavone
Add missing dependency for font.tiles in Makefile
Fri, 06 May 2016 19:19:42 -0700, by Michael Pavone
Allow navigating to the root directory on Unix-like systems
Wed, 04 May 2016 22:11:48 -0700, by Michael Pavone
Merge
Wed, 04 May 2016 00:56:33 -0700, by Michael Pavone
Added tag v0.4.0 for changeset 4a92889e2889
Wed, 04 May 2016 00:50:54 -0700, by Michael Pavone
Fix OS X build v0.4.0
Wed, 04 May 2016 00:50:20 -0700, by Michael Pavone
Added tag v0.4.0 for changeset e34334e6c682
Mon, 02 May 2016 23:38:27 -0700, by Michael Pavone
Fix GST savestate loading to deal with SAT cache to fix sprite corruption on savestate load. Clear out Z80 native_pc so the Z80 state does not get hosed when loading a savestate while the emulator is already running
Mon, 02 May 2016 23:08:20 -0700, by Michael Pavone
Update changelog and version number for 0.4.0 release
Mon, 02 May 2016 22:20:19 -0700, by Michael Pavone
Added documentation for lock-on support and a fullscreen config option.
Mon, 02 May 2016 21:35:19 -0700, by Michael Pavone
Very basic support for S&K lock-on. Needs more work for full functionality.
Mon, 02 May 2016 21:06:12 -0700, by Michael Pavone
Handle failures to load save state from the menu more gracefully
Mon, 02 May 2016 18:29:29 -0700, by Michael Pavone
More README updates
Mon, 02 May 2016 18:27:07 -0700, by Michael Pavone
WIP README updates
Mon, 02 May 2016 00:31:44 -0700, by Michael Pavone
Get rid of little divot on top of buttons in menu caused by the flat part not being a full 8 pixels on the top
Sun, 01 May 2016 23:52:24 -0700, by Michael Pavone
Fully functional next/previous buttons
Sun, 01 May 2016 23:44:14 -0700, by Michael Pavone
Fix bug in which trying to load another ROM after saving or loading a savestate through the menu resulted in trying to save/load a savestate instead
Sun, 01 May 2016 22:21:58 -0700, by Michael Pavone
Fix bug in which save RAM/EEPROM was not persisted correctly if the emulator is exited via the menu rather than the X button in the title bar
Sun, 01 May 2016 22:07:37 -0700, by Michael Pavone
Removed assumptions that path separators are Unix style outside of Unix-only verions of functions
Sun, 01 May 2016 21:39:43 -0700, by Michael Pavone
Added IO overrides for games I've tested with mouse support and to Ms. Pac-Man that requires a 3-button controller to work properly
Sun, 01 May 2016 17:43:28 -0700, by Michael Pavone
Improve parsing of game name from ROM header
Sun, 01 May 2016 16:25:16 -0700, by Michael Pavone
Allow overriding speed 0. May be useful for people that want to use vsync
Sun, 01 May 2016 15:57:43 -0700, by Michael Pavone
Set vsync state based on config file rather than just using whatever the system decides for us.
Sun, 01 May 2016 14:59:40 -0700, by Michael Pavone
Added a config option that allows turning scanlines on and off
Sun, 01 May 2016 14:29:12 -0700, by Michael Pavone
Made low pass filter frequency configurable
Sun, 01 May 2016 13:36:14 -0700, by Michael Pavone
Fix bug in SAT cache address calculation that caused a crash in Strider II
Sat, 30 Apr 2016 20:57:29 -0700, by Michael Pavone
Added TODO for hardware checking
Sat, 30 Apr 2016 16:19:57 -0700, by Michael Pavone
Set sprite overflow flag if we completely consume sprite rendering capacity for the line even if there is nothing left to draw. This graphical corruption in the vertical stretching scroll section. Needs hardware confirmation.
Sat, 30 Apr 2016 16:19:19 -0700, by Michael Pavone
Implement SAT cache. Causes some graphical corruption in Overdrive due to an unrelated bug.
Sat, 30 Apr 2016 15:31:48 -0700, by Michael Pavone
YOUR EMULATOR SUX is dead. Needs logic analyzer testing to check exact delay though.
Sat, 30 Apr 2016 10:47:29 -0700, by Michael Pavone
Fix 68K interrupt handling some more. Fatal Rewind is working again.
Sat, 30 Apr 2016 09:45:53 -0700, by Michael Pavone
Fix some stuff with interrupt timing. The change in adjust_int_cycle gets Overdrive working again (vint was not being preferred over hint in some cases). One of the changes seems to have broken Fatal Rewind again, but no other regressions that I can see.
Sat, 30 Apr 2016 08:37:55 -0700, by Michael Pavone
Added code to display Next and Prev buttons on file listing screens to menu
Thu, 28 Apr 2016 20:20:29 -0700, by Michael Pavone
Add Wonder Boy in Monster World to ROM DB as it needs working EEPROM support to work
Thu, 28 Apr 2016 19:20:31 -0700, by Michael Pavone
Implemented A line and F line traps.
Thu, 28 Apr 2016 09:00:42 -0700, by Michael Pavone

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