log

age author description
Tue, 24 Jan 2017 23:45:30 -0800 Michael Pavone Update TODO list
Tue, 24 Jan 2017 23:17:24 -0800 Michael Pavone Adjust mouse cursor in absolute mode/menu to account for presence of top border
Tue, 24 Jan 2017 23:16:21 -0800 Michael Pavone Minor cleanup to handle_mouse_moved
Tue, 24 Jan 2017 23:00:56 -0800 Michael Pavone Fix stateview and vgmplay targets
Tue, 24 Jan 2017 21:26:46 -0800 Michael Pavone Improved parsing of cartridge region header
Tue, 24 Jan 2017 20:53:10 -0800 Michael Pavone Make gamepad "semantic" mapping play nice with hotplug support
Tue, 24 Jan 2017 18:53:55 -0800 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 00:15:27 -0800 Michael Pavone Inefficient fix for overlapping instruction problem that was causing issues with Outrunners
Tue, 24 Jan 2017 00:02:03 -0800 Michael Pavone Remove accidentally committed debug logging
Sun, 22 Jan 2017 19:43:04 -0800 Michael Pavone Update version number for preview build
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
Sun, 22 Jan 2017 17:12:17 -0800 Michael Pavone Fix missing include that prevented building Windows version
Sun, 22 Jan 2017 16:23:59 -0800 Michael Pavone Initial support for using SDL2 game controller mapping functionality
Sun, 22 Jan 2017 16:13:02 -0800 Michael Pavone Consting up some parameters to ternary tree functions
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.
Wed, 18 Jan 2017 23:43:36 -0800 Michael Pavone Overscan is now configurable
Wed, 18 Jan 2017 21:30:20 -0800 Michael Pavone CRAM contention artifact emulation
Wed, 18 Jan 2017 07:29:06 -0800 Michael Pavone Fix regression in tracking of 3+ byte instructions in Z80 core
Tue, 17 Jan 2017 19:01:13 -0800 Michael Pavone Update gst loader to deal with VDP changes
Tue, 17 Jan 2017 19:01:04 -0800 Michael Pavone Undo poorly thought out minor optimization that screwed up rendering
Tue, 17 Jan 2017 09:27:05 -0800 Michael Pavone Fix vdp_run_to_vblank
Tue, 17 Jan 2017 09:18:35 -0800 Michael Pavone Disable timing debug
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
Tue, 17 Jan 2017 09:17:43 -0800 Michael Pavone Add some dummy functions to test_int_timing so debug builds of it succeed
Tue, 17 Jan 2017 09:02:36 -0800 Michael Pavone Fix H40 VInt inconsistency
Mon, 16 Jan 2017 23:34:30 -0800 Michael Pavone Fix H32 VInt timing inconsistency
Mon, 16 Jan 2017 22:30:21 -0800 Michael Pavone Fix H32 inconsistency
Mon, 16 Jan 2017 21:38:49 -0800 Michael Pavone Added synthetic test for tracking down interrupt timing issues
Mon, 16 Jan 2017 09:31:33 -0800 Michael Pavone Fix some timing inconsistencies in H40 mode. Added some ifdefed timing debug code.
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.
Sun, 15 Jan 2017 22:38:31 -0800 Michael Pavone Rework how inactive lines are handled. Fix H40 cycle increment in slot 182
Sun, 15 Jan 2017 15:29:32 -0800 Michael Pavone Fix benchmark mode
Sun, 15 Jan 2017 15:07:24 -0800 Michael Pavone Initial work on emulating top and bottom border area
Tue, 10 Jan 2017 23:45:59 -0800 Michael Pavone Fix GDB remote protocol support
Tue, 10 Jan 2017 09:29:28 -0800 Michael Pavone Fix crash regression for games with some kind of mapper functionality
Tue, 10 Jan 2017 09:19:58 -0800 Michael Pavone Restore functionality of the -D flag for GDB remote debugging
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
Sun, 08 Jan 2017 16:55:30 -0800 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 13:39:44 -0800 Michael Pavone A bunch of Mode 4 fixes
Sun, 08 Jan 2017 10:46:32 -0800 Michael Pavone Update H32 and Mode 4 mappings based on latest tests
Sun, 08 Jan 2017 00:30:48 -0800 Michael Pavone Fix decoding of undocumented Z80 instruction out (c), 0
Sat, 07 Jan 2017 16:28:29 -0800 Michael Pavone Adjust analyze_olp SAT address to match testpattern values rather than Space Hawks
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
Thu, 05 Jan 2017 19:15:53 -0800 Michael Pavone Clear sprite overflow flag when control port read. Fix vcounter progression in Mode 4
Thu, 05 Jan 2017 00:42:11 -0800 Michael Pavone Fix Mode 4 sprite collision flag
Thu, 05 Jan 2017 00:36:23 -0800 Michael Pavone Implemented Mode 4 H conter latching
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
Wed, 04 Jan 2017 23:01:58 -0800 Michael Pavone Fix to pass a couple more tests in VDPTEST.sms
Wed, 04 Jan 2017 22:48:00 -0800 Michael Pavone Fix some issues with VDP interface in Mode 4/PBC mode
Wed, 04 Jan 2017 21:23:59 -0800 Michael Pavone Display both byte and word pending values to better reflect VDP pending state in PBC mode
Wed, 04 Jan 2017 20:43:22 -0800 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
Tue, 03 Jan 2017 23:03:30 -0800 Michael Pavone Fix reading from second controller port in SMS mode
Tue, 03 Jan 2017 21:37:36 -0800 Michael Pavone Fix implementation of Z80 HALT instruction
Tue, 03 Jan 2017 21:18:52 -0800 Michael Pavone Add support for SMS controllers
Tue, 03 Jan 2017 21:18:42 -0800 Michael Pavone Fix RAM flag offset calculation to take into account the existence of non-writeable MMAP_CODE chunks
Tue, 03 Jan 2017 20:43:35 -0800 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 20:42:15 -0800 Michael Pavone Fix handling of IO control writes in SMS mode
Mon, 02 Jan 2017 23:35:40 -0800 Michael Pavone Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0
Mon, 02 Jan 2017 22:54:24 -0800 Michael Pavone Initial support for Sega's family of SMS mappers
Mon, 02 Jan 2017 21:46:26 -0800 Michael Pavone Detect system type from filename if header based methods fail. Allow overriding system type from command line.
Mon, 02 Jan 2017 16:33:03 -0800 Michael Pavone Old uncommitted fix for Android build
Mon, 02 Jan 2017 16:25:13 -0800 Michael Pavone Fix Mode 4 sprite table Y scan to account for VRAM byte swapping
Sun, 01 Jan 2017 23:00:28 -0800 Michael Pavone Fix slot tracking screwup
Sun, 01 Jan 2017 22:47:23 -0800 Michael Pavone Fix horizontal scrolling in Mode 4
Sun, 01 Jan 2017 21:06:32 -0800 Michael Pavone Update Mode 4 rendering to match logic analyzer captures
Sun, 01 Jan 2017 02:33:06 -0800 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 01:23:26 -0800 Michael Pavone Make Mode 4 sprite rendering a little less broken
Sun, 01 Jan 2017 01:16:43 -0800 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 01:10:44 -0800 Michael Pavone Partial fix for Z80 debugger brokeness introduced with stack alignment changes
Wed, 28 Dec 2016 20:39:27 -0800 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 12:28:52 -0800 Michael Pavone Enabled Z80 debugger in PBC mode
Tue, 27 Dec 2016 18:58:31 -0800 Michael Pavone Detect failures to initialize a system context and report an error rather than crashing
Tue, 27 Dec 2016 14:31:27 -0800 Michael Pavone Fix Mode 4 color mapping
Tue, 27 Dec 2016 13:59:01 -0800 Michael Pavone Clear interrupt status flags after getting the status register value rather than before
Tue, 27 Dec 2016 13:46:06 -0800 Michael Pavone Brighten up Mode 4 colors
Tue, 27 Dec 2016 13:38:58 -0800 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 13:26:14 -0800 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 13:11:07 -0800 Michael Pavone Implemented Mode 4 sprite list termination
Tue, 27 Dec 2016 12:43:37 -0800 Michael Pavone Less broken Mode 4 implementation
Tue, 27 Dec 2016 11:31:17 -0800 Michael Pavone Somewhat broken implementation of Mode 4
Thu, 22 Dec 2016 20:39:35 -0800 Michael Pavone Fix clearing of interrupt pending flags on control port read in PBC mode
Thu, 22 Dec 2016 19:54:11 -0800 Michael Pavone Added Jaguar header missed in earlier commits
Thu, 22 Dec 2016 19:51:25 -0800 Michael Pavone Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Thu, 22 Dec 2016 10:51:33 -0800 Michael Pavone More cleanup in preparation for SMS/Mark III support
Mon, 19 Dec 2016 14:16:59 -0800 Michael Pavone WIP Jaguar GPU/DSP emulation
Mon, 19 Dec 2016 14:16:43 -0800 Michael Pavone Fix blastjag target
Mon, 19 Dec 2016 13:58:51 -0800 Michael Pavone Restore 68K address logging functionality
Mon, 19 Dec 2016 13:46:58 -0800 Michael Pavone Fix intermittent crash in GST savestate loading
Mon, 19 Dec 2016 13:28:18 -0800 Michael Pavone Mostly working changes to allow support for multiple emulated system types in main blastem program
Wed, 14 Dec 2016 23:27:42 -0800 Michael Pavone Fix a couple of timing regressions in Z80 core
Wed, 14 Dec 2016 23:26:12 -0800 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 20:20:34 -0800 Michael Pavone Fix Z80 interrupt pulse duration. Fixes inconsistent music playback speed in Sonic 2 introduced in 0.4.1
Mon, 12 Dec 2016 19:21:22 -0800 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 09:50:33 -0800 Michael Pavone Fix field flag handling bug introduced with VDP/render interface cleanup
Sun, 11 Dec 2016 22:00:41 -0800 Michael Pavone Fix Z80 RAM mapping after refactor
Fri, 09 Dec 2016 18:39:44 -0800 Michael Pavone Fix the previous WIP commit. Quick tests suggests things are no more broken than before now.
Fri, 09 Dec 2016 09:48:48 -0800 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.
Mon, 28 Nov 2016 22:45:46 -0800 Michael Pavone Clean up symbol visiblity and delete a ltitle bit of dead code
Tue, 15 Nov 2016 08:18:57 -0800 Michael Pavone Update stateview so it builds successfully again
Sat, 05 Nov 2016 21:41:23 -0700 Michael Pavone Fix Jaguar video interrupt cycle calculation
Sat, 05 Nov 2016 21:19:18 -0700 Michael Pavone Fix CRY color mapping
Sat, 05 Nov 2016 17:16:16 -0700 Michael Pavone Fix implementation of scaled objects. Implement transparency flag
Sat, 05 Nov 2016 00:23:11 -0700 Michael Pavone Get Jaguar video interrupt working
Mon, 31 Oct 2016 18:41:42 -0700 Michael Pavone Better disassembly of GPU/DSP load store instructions
Mon, 31 Oct 2016 18:36:17 -0700 Michael Pavone Correct disassembly of r14/r15 relative loads and stores
Mon, 31 Oct 2016 09:23:25 -0700 Michael Pavone Get Jaguar disassembler more or less working. Dump gpu program to file when GPU GO bit is set
Sun, 30 Oct 2016 19:42:48 -0700 Michael Pavone Initial stab at jaguar disassemler
Sun, 30 Oct 2016 19:42:30 -0700 Michael Pavone Slightly more detailed logging of unhandled register writes
Sun, 16 Oct 2016 21:58:29 -0700 Michael Pavone Fix segfault in certain games that have SRAM and ROM bankswitched at the same address
Sun, 16 Oct 2016 18:25:18 -0700 Michael Pavone Initial stab at implementing the Jaguar object processor
Wed, 12 Oct 2016 09:39:52 -0700 Michael Pavone Initial implementation of video output hardware
Sat, 08 Oct 2016 23:49:20 -0700 Michael Pavone Basic handling of video/object processor register writes
Fri, 07 Oct 2016 18:27:38 -0700 Michael Pavone Added placeholder code for video output hardware/object processor
Thu, 06 Oct 2016 22:25:12 -0700 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 21:12:40 -0700 Michael Pavone Fix some unresolved symbols when linking blastjag
Thu, 06 Oct 2016 21:11:58 -0700 Michael Pavone Remove hacky assumption about Genesis memory map in M68K core
Thu, 06 Oct 2016 09:35:35 -0700 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 09:34:31 -0700 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 09:25:43 -0700 Michael Pavone Fix handling of MMAP_CODE chunks that also have MMAP_PTR_IDX set
Tue, 04 Oct 2016 18:30:49 -0700 Michael Pavone Some initial work on Atari Jaguar emulation