| 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
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| 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
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| 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
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| 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
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| Thu, 11 May 2017 20:33:31 -0700 |
Michael Pavone |
Fix regression in Mode 4 sprite rendering
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| Thu, 11 May 2017 08:01:10 -0700 |
Michael Pavone |
Fix regression in mode 4 introduced when advance_output_line was added
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| Fri, 05 May 2017 23:45:45 -0700 |
Michael Pavone |
Fix sprite rendering in double resolution interlace mode
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| 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
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| Thu, 04 May 2017 22:47:51 -0700 |
Michael Pavone |
Fix transition from active to inactive display
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| 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
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| 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
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| 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
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| 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
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| 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.
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| 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
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| 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
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| Wed, 26 Apr 2017 01:12:28 -0700 |
Michael Pavone |
Add 128K VRAM bit to VDP register print in debugger
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| 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
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| 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
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| 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
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| 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
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| Sun, 16 Apr 2017 18:43:34 -0700 |
Michael Pavone |
Fix some edge cases with regards to 128KB VRAM mode and the SAT cache
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| 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
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| 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
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| Sat, 25 Mar 2017 11:31:43 -0700 |
Michael Pavone |
Fix latching of V32 mode bit
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| Sun, 19 Mar 2017 12:54:20 -0700 |
Michael Pavone |
Change handling of invalid scroll plane sizes. Fixes title and high score screens in The Incredible Hulk
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| Sun, 19 Mar 2017 11:17:40 -0700 |
Michael Pavone |
Adjust DMA start delay to not break the FIFO Wait State test in the VDP FIFO Testing ROM
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| Sat, 18 Mar 2017 17:09:14 -0700 |
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
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| Mon, 13 Mar 2017 23:13:24 -0700 |
Michael Pavone |
Fix VDP buffer overrun that was causing sprite flickering in some games
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| Thu, 09 Mar 2017 19:23:24 -0800 |
Michael Pavone |
Fix graphical corruption and sprite flickering introduced into some games by the last change for horizontal border support
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| Tue, 07 Mar 2017 20:17:12 -0800 |
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
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| Tue, 07 Mar 2017 00:01:16 -0800 |
Michael Pavone |
Fix some of the framebuffer fill holes introduced by horizontal border changes
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| Mon, 06 Mar 2017 23:05:31 -0800 |
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
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| Mon, 06 Mar 2017 09:54:44 -0800 |
Michael Pavone |
Render horizontal border in H32 mode as well. Both modes still need some minor work to deal with inactive/active transition
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| Mon, 06 Mar 2017 00:23:35 -0800 |
Michael Pavone |
Initial stab at horizontal border emulation. Only works for H40 and still has a few minor holes to fill
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| Tue, 24 Jan 2017 00:02:03 -0800 |
Michael Pavone |
Remove accidentally committed debug logging
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| Sun, 22 Jan 2017 19:40:32 -0800 |
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
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| Thu, 19 Jan 2017 09:32:34 -0800 |
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.
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| Wed, 18 Jan 2017 21:30:20 -0800 |
Michael Pavone |
CRAM contention artifact emulation
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| Tue, 17 Jan 2017 19:01:04 -0800 |
Michael Pavone |
Undo poorly thought out minor optimization that screwed up rendering
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| Tue, 17 Jan 2017 09:27:05 -0800 |
Michael Pavone |
Fix vdp_run_to_vblank
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| Tue, 17 Jan 2017 09:18:35 -0800 |
Michael Pavone |
Disable timing debug
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| Tue, 17 Jan 2017 09:18:16 -0800 |
Michael Pavone |
Fix line advancement in Mode 4 during inactive display. Fix a Mode 4 VInt timing discrepency
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| Tue, 17 Jan 2017 09:02:36 -0800 |
Michael Pavone |
Fix H40 VInt inconsistency
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| Mon, 16 Jan 2017 23:34:30 -0800 |
Michael Pavone |
Fix H32 VInt timing inconsistency
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| Mon, 16 Jan 2017 22:30:21 -0800 |
Michael Pavone |
Fix H32 inconsistency
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| Mon, 16 Jan 2017 21:38:49 -0800 |
Michael Pavone |
Added synthetic test for tracking down interrupt timing issues
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| Mon, 16 Jan 2017 09:31:33 -0800 |
Michael Pavone |
Fix some timing inconsistencies in H40 mode. Added some ifdefed timing debug code.
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| Sun, 15 Jan 2017 22:54:01 -0800 |
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.
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| Sun, 15 Jan 2017 22:38:31 -0800 |
Michael Pavone |
Rework how inactive lines are handled. Fix H40 cycle increment in slot 182
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| Sun, 15 Jan 2017 15:29:32 -0800 |
Michael Pavone |
Fix benchmark mode
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| Sun, 15 Jan 2017 15:07:24 -0800 |
Michael Pavone |
Initial work on emulating top and bottom border area
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| Mon, 09 Jan 2017 19:24:11 -0800 |
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
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| Sun, 08 Jan 2017 13:39:44 -0800 |
Michael Pavone |
A bunch of Mode 4 fixes
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| Sun, 08 Jan 2017 10:46:32 -0800 |
Michael Pavone |
Update H32 and Mode 4 mappings based on latest tests
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| Fri, 06 Jan 2017 19:25:04 -0800 |
Michael Pavone |
Fix H40 slot mapping to better match old VRAM bus captures and adjust for recent VCounter measurements
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| Thu, 05 Jan 2017 19:15:53 -0800 |
Michael Pavone |
Clear sprite overflow flag when control port read. Fix vcounter progression in Mode 4
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| Thu, 05 Jan 2017 00:42:11 -0800 |
Michael Pavone |
Fix Mode 4 sprite collision flag
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| Thu, 05 Jan 2017 00:36:23 -0800 |
Michael Pavone |
Implemented Mode 4 H conter latching
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| Thu, 05 Jan 2017 00:08:28 -0800 |
Michael Pavone |
BlastEm now passes all of the tests on the first page of "Megadrive VDP Test" in VDPTEST.sms
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