log vdp.c @ 1365:6dd2c3edd0b5

age author description
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
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
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
Fri, 05 May 2017 23:45:45 -0700 Michael Pavone Fix sprite rendering in double resolution interlace mode
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
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
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 01:12:28 -0700 Michael Pavone Add 128K VRAM bit to VDP register print in debugger
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
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
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
Sat, 25 Mar 2017 11:31:43 -0700 Michael Pavone Fix latching of V32 mode bit
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
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
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
Mon, 13 Mar 2017 23:13:24 -0700 Michael Pavone Fix VDP buffer overrun that was causing sprite flickering in some games
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
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