log

age author description
Tue, 23 May 2017 21:09:38 -0700 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 21:07:56 -0700 Michael Pavone Fix interrupt latency for move.l with memory destination
Tue, 23 May 2017 19:09:57 -0700 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 09:39:22 -0700 Michael Pavone Fix small blank spot on line -2 in "ninja escape" border fade in OD2
Mon, 22 May 2017 22:04:07 -0700 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 21:11:13 -0700 Michael Pavone Fix regression in horizontal interrupt timing that was breaking the "water" palette swap in the Sonic series and other games
Fri, 19 May 2017 22:07:50 -0700 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 20:54:04 -0700 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 20:27:35 -0700 Michael Pavone Fix to M68K interrupt latency for most instructions. Still needs some work for RAW_IMPL instructions besides move
Sun, 14 May 2017 12:07:39 -0700 Michael Pavone Fix regression in games that disable the display early like F1 World Championship. Remove debug printf
Sun, 14 May 2017 11:15:56 -0700 Michael Pavone WIP attempt at fixing the minor line -2 glitch in the OD2 Ninja Escape scene
Fri, 12 May 2017 23:34:17 -0700 Michael Pavone Print PATH in build_release script to help debug future build failures
Fri, 12 May 2017 23:33:00 -0700 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
Thu, 11 May 2017 20:33:31 -0700 Michael Pavone Fix regression in Mode 4 sprite rendering
Thu, 11 May 2017 08:01:10 -0700 Michael Pavone Fix regression in mode 4 introduced when advance_output_line was added
Thu, 11 May 2017 07:51:28 -0700 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
Wed, 10 May 2017 22:06:59 -0700 Michael Pavone Load extra controller mappings from gamecontrollerdb.txt
Wed, 10 May 2017 19:32:13 -0700 Michael Pavone Updated special thanks and version number listed in menu ROM
Wed, 10 May 2017 19:23:59 -0700 Michael Pavone Update README to account for new config file options
Tue, 09 May 2017 22:57:12 -0700 Michael Pavone Add description of overscan settings to README
Tue, 09 May 2017 00:02:59 -0700 Michael Pavone Added a ROM DB entry for Ninja Burai Densetsu as it has EEPROM
Tue, 09 May 2017 00:01:49 -0700 Michael Pavone Added region override for Japanese version of Castle of Illusion to deal with an invalid region header
Mon, 08 May 2017 23:41:45 -0700 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 22:31:28 -0700 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
Sat, 06 May 2017 00:09:14 -0700 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
Fri, 05 May 2017 23:45:45 -0700 Michael Pavone Fix sprite rendering in double resolution interlace mode
Fri, 05 May 2017 23:41:14 -0700 Michael Pavone Decode JMP or JSR with an invalid addressing mode as an invalid instruction
Fri, 05 May 2017 22:08:30 -0700 Michael Pavone Fix vscroll latching when full screen vscroll is used in combination with the window plane on the left side of the screen
Thu, 04 May 2017 22:47:51 -0700 Michael Pavone Fix transition from active to inactive display
Thu, 04 May 2017 22:14:12 -0700 Michael Pavone Fix border rendering so that the first and last line of display are consistently drawn
Thu, 04 May 2017 21:06:35 -0700 Michael Pavone Fix intermittent crash due to an inadvertent executable memory allocation in m68k instruction retranslation
Thu, 04 May 2017 21:00:25 -0700 Michael Pavone Fix some inconsequential issues in code for executable memory allocation noticed while tracking down a different issue
Wed, 03 May 2017 21:28:40 -0700 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
Mon, 01 May 2017 20:33:59 -0700 Michael Pavone Fix sprite rendering for negative line. Fixes remaining visual glitch in the Titancade scene of Overdrive 2
Sat, 29 Apr 2017 16:51:57 -0700 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 12:32:50 -0700 Michael Pavone Make internal screenshot functionality completely ignore overscan settings rather than only doing it for the height
Thu, 27 Apr 2017 23:08:49 -0700 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 09:32:21 -0700 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
Wed, 26 Apr 2017 22:16:12 -0700 Michael Pavone Small tweak to how SAT cache updates are done. Mostly fixes the rotating cube scene in Overdrive 2
Wed, 26 Apr 2017 21:55:12 -0700 Michael Pavone Fix timing for branch not taken case in the M68K BCC intruction
Wed, 26 Apr 2017 01:12:28 -0700 Michael Pavone Add 128K VRAM bit to VDP register print in debugger
Wed, 26 Apr 2017 01:05:40 -0700 Michael Pavone Handle address register displacement when calculating branch targets in debugger
Mon, 24 Apr 2017 20:49:31 -0700 Michael Pavone Fix interaction between 68K debugger and instruction retranslation due to self modifying code or bank switching
Sun, 23 Apr 2017 00:54:33 -0700 Michael Pavone Add config file option to disable Open GL rendering
Sat, 22 Apr 2017 01:22:47 -0700 Michael Pavone Fix vgmplay target for ternary tree changes
Fri, 21 Apr 2017 23:35:32 -0700 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 01:22:52 -0700 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 01:19:40 -0700 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
Thu, 20 Apr 2017 22:28:58 -0700 Michael Pavone Fixed timing for RTS and RTE
Tue, 18 Apr 2017 19:27:10 -0700 Michael Pavone Initial stab at implementing the output disable/layer selection bits of the VDP test register
Mon, 17 Apr 2017 23:58:21 -0700 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 20:54:33 -0700 Michael Pavone SAT table register bit 0 is not used in H40 mode. Fixes corrupt sprites in ship crash landing scene in Overdrive 2
Sun, 16 Apr 2017 18:43:34 -0700 Michael Pavone Fix some edge cases with regards to 128KB VRAM mode and the SAT cache
Sun, 16 Apr 2017 16:40:04 -0700 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 16:38:56 -0700 Michael Pavone Force display on in stateview if given a save state with the display off
Sat, 15 Apr 2017 21:45:19 -0700 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
Wed, 05 Apr 2017 09:48:49 -0700 Michael Pavone Fix minor bug that displayed window plane as if it were plane A In plane debug view
Tue, 04 Apr 2017 19:31:14 -0700 Michael Pavone Allow a .l suffix to a memory print command to allow fetching and printing a longword
Mon, 03 Apr 2017 20:48:13 -0700 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.
Fri, 31 Mar 2017 19:11:04 -0700 Michael Pavone Allow adding .w or .b to select just the low word or byte of a register in a 68K debugger print command