Mercurial > repos > blastem
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Fix accidental use of the conditional jump instruction jp instead of jmpThu, 06 Feb 2014 10:03:59 -0800, by Michael Pavone
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Add 3 wait states to Z80 access to bank area since that seems to be roughly the average in normal usageTue, 28 Jan 2014 08:36:06 -0800, by Michael Pavone
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Fix timing of certain ld and jp instructions in the Z80 coreMon, 27 Jan 2014 22:12:22 -0800, by Michael Pavone
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The local clone on my laptop got messed up and some changes had not been pushed. This commit represents the status of the working copy from that clone. It unfortunately contains some changes that I did not intend to commit yet, but this seems like the best option at the moment.Mon, 06 Jan 2014 22:54:05 -0800, by Michael Pavone
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Add support for left and right shift keysThu, 31 Oct 2013 01:00:32 -0700, by Mike Pavone
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Small optimization for H40 modeThu, 31 Oct 2013 00:28:27 -0700, by Mike Pavone
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Fix allocation and memset size for field buffers when using OpenGLTue, 29 Oct 2013 23:13:15 -0700, by Mike Pavone
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Use OpenGL by default. Add OpenGL switch to help textTue, 29 Oct 2013 19:11:45 -0700, by Mike Pavone
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Preserve aspect ratio unless config file says otherwiseTue, 29 Oct 2013 19:09:19 -0700, by Mike Pavone
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MergeTue, 29 Oct 2013 00:03:11 -0700, by Mike Pavone
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Pull shader file names from config file.Mon, 28 Oct 2013 23:59:59 -0700, by Mike Pavone
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Move shader files to their own directory. Read shaders from /.config/blastem/shaders or from path_to_exe/shaders instead of the current working directory.Mon, 28 Oct 2013 23:50:28 -0700, by Mike Pavone
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Extract function to determine executable directory from load_config so it can be used elsewhereMon, 28 Oct 2013 21:48:46 -0700, by Mike Pavone
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Allow OpenGL support to be disabled at compile time. Move generic utility functions out of config.cMon, 28 Oct 2013 19:37:30 -0700, by Mike Pavone
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Initial implementation of sprite overflow and sprite collision status register flagsMon, 07 Oct 2013 10:02:08 -0700, by Mike Pavone
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Add support for UI bindings on gamepad buttons and dpadsFri, 04 Oct 2013 20:16:18 -0700, by Mike Pavone
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Merged OpenGL branchSun, 27 Oct 2013 22:08:02 -0700, by Mike Pavone
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Update opengl branch from default. Fix build breakage unrelated to merge openglSat, 26 Oct 2013 22:38:47 -0700, by Mike Pavone
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Add an FPS counter to the title barThu, 03 Oct 2013 21:22:05 -0700, by Mike Pavone
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Follow amd64 ABI stack alignment requirements in places it matters so we can call sprintf with floating point arguments without crashingThu, 03 Oct 2013 21:21:47 -0700, by Mike Pavone
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Add support for test instruction to x86 generator libraryThu, 03 Oct 2013 21:20:29 -0700, by Mike Pavone
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Implement turbo/slow motion feature that overclocks or underclocks the entire system at the push of a buttonTue, 01 Oct 2013 23:51:16 -0700, by Mike Pavone
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Theoretically more correct timing of Z80 bus requestWed, 18 Sep 2013 19:10:54 -0700, by Mike Pavone
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Set VBLANK flag in status register when display is disabledTue, 17 Sep 2013 19:10:00 -0700, by Mike Pavone
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Implement HV counter latchTue, 17 Sep 2013 09:45:14 -0700, by Mike Pavone
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Implement funny behavior for DMA fill to CRAM and VSRAM. Return VSRAM address 0 for reads to VSRAM at >= 40Tue, 17 Sep 2013 00:42:49 -0700, by Mike Pavone
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Fix DMA fill so that it does not cause observable changes to the FIFO. Get DMA copy mostly correct from an observable ffect perspective. DMA copy probably does not reflect internal implementation still given that evidence seems to suggest no FIFO usage at all.Tue, 17 Sep 2013 00:11:45 -0700, by Mike Pavone
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Partial fix for DMA copyMon, 16 Sep 2013 09:44:22 -0700, by Mike Pavone
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Clear the low 2 bits of CD when a register is written toSun, 15 Sep 2013 23:49:09 -0700, by Mike Pavone
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Don't allow register writes to regs above when in Mode 4Sun, 15 Sep 2013 23:40:18 -0700, by Mike Pavone
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Remove read pending stuff, that had been added in an attempt to fix CRAM/VSRAM undefined bit results. Set number of bits actually saved in VSRAM to 11Sun, 15 Sep 2013 23:33:24 -0700, by Mike Pavone
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Implement undocumented 8-bit VRAM readSun, 15 Sep 2013 23:00:17 -0700, by Mike Pavone
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Fix VSRAM readsSun, 15 Sep 2013 22:43:01 -0700, by Mike Pavone
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Implement FIFO as a ring buffer so the behavior of reads from invalid CRAM and VSRAM bits can be implemented properlySun, 15 Sep 2013 22:20:43 -0700, by Mike Pavone
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Properly delay 68K on VDP reads. Dummy VDP test port implementation. Initial stab at handling undefined bits of VSRAM and CRAM.Fri, 13 Sep 2013 19:22:46 -0700, by Mike Pavone
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Fix argument handling so that the rom filename does not need to be specified firstWed, 11 Sep 2013 19:26:35 -0700, by Mike Pavone
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Added copyright notice to source files and added GPL license text in COPYINGTue, 10 Sep 2013 23:31:08 -0700, by Mike Pavone
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Fix vgmplayTue, 10 Sep 2013 21:20:54 -0700, by Mike Pavone
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Fix stateview. Update "all" target in Makefile.Tue, 10 Sep 2013 21:07:13 -0700, by Mike Pavone
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Added version flagTue, 10 Sep 2013 20:36:05 -0700, by Mike Pavone
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Added -h help text optionTue, 10 Sep 2013 20:32:59 -0700, by Mike Pavone
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Fix timing of backdrop rendering when the display is turned offTue, 10 Sep 2013 09:55:12 -0700, by Mike Pavone
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MergeTue, 10 Sep 2013 00:30:39 -0700, by Mike Pavone
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Implement FIFO latency and improve DMA accuracyTue, 10 Sep 2013 00:29:46 -0700, by Mike Pavone
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Revert change to VBLANK flag timing based on new direct color DMA testSun, 08 Sep 2013 20:48:33 -0700, by Mike Pavone
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Remove extra 68K/VDP cycle syncSun, 08 Sep 2013 20:47:01 -0700, by Mike Pavone
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Fix bit instruction timingSun, 08 Sep 2013 20:46:25 -0700, by Mike Pavone
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Initial work on GDB remote debugging supportWed, 04 Sep 2013 19:34:19 -0700, by Mike Pavone
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Added analysis script used for investigating direct color DMA timingMon, 02 Sep 2013 01:03:08 -0700, by Mike Pavone
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Fix per-column scrolling bugMon, 02 Sep 2013 01:02:18 -0700, by Mike Pavone
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Adjust VBLANK flag and refresh timing to be in line with logic analyzer and visual observations of direct color DMA demos. Remove debug print statements.Mon, 02 Sep 2013 00:20:56 -0700, by Mike Pavone
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MergeSun, 01 Sep 2013 14:27:17 -0700, by Mike Pavone
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Added support for saving savestates. Added gst savestate format test harnessFri, 26 Jul 2013 19:55:04 -0700, by Mike Pavone
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Fix bug that caused a DMA fill to start after another DMA operation completed if the FIFO is not emptySun, 01 Sep 2013 12:11:28 -0700, by Mike Pavone
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Fix handling of key on in YM2612 coreSat, 20 Jul 2013 23:49:31 -0700, by Mike Pavone
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Fix performance regression from stop instruction workSat, 20 Jul 2013 23:40:28 -0700, by Mike Pavone
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Implement 68K stop instructionFri, 19 Jul 2013 22:44:00 -0700, by Mike Pavone
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Add config values for audio sample rate and buffer sizeThu, 18 Jul 2013 09:59:39 -0700, by Mike Pavone
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Add fullscreen support and add a keybinding for exiting the emulatorWed, 17 Jul 2013 22:26:11 -0700, by Mike Pavone
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Fix sign flag on swapWed, 17 Jul 2013 00:23:45 -0700, by Mike Pavone
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Fix carry flag on rotate when the register provided rotate bit count is exactly 32Wed, 17 Jul 2013 00:18:28 -0700, by Mike Pavone
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Add a bunch of 68K test cases for single operand instructionsWed, 17 Jul 2013 00:17:42 -0700, by Mike Pavone
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Fix 68K test harnessTue, 16 Jul 2013 23:16:50 -0700, by Mike Pavone
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Add support for single operand instructions to 68K test generatorTue, 16 Jul 2013 23:16:38 -0700, by Mike Pavone
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Add address/cd registers to VDP debug messageTue, 16 Jul 2013 23:16:14 -0700, by Mike Pavone
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Restore one of the VDP debugging modesMon, 15 Jul 2013 23:07:45 -0700, by Mike Pavone
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Implement the scroll ring buffer properly without memcpyFri, 12 Jul 2013 19:11:55 -0700, by Mike Pavone
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Updated todo listThu, 11 Jul 2013 08:34:38 -0700, by Mike Pavone
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Read default region from config fileWed, 10 Jul 2013 23:55:11 -0700, by Mike Pavone
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Read default render width from config fileWed, 10 Jul 2013 23:52:09 -0700, by Mike Pavone
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Read joystick bindings from config fileWed, 10 Jul 2013 23:47:48 -0700, by Mike Pavone
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Read key bindings from config fileWed, 10 Jul 2013 22:48:17 -0700, by Mike Pavone
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Add config file parser and default config fileWed, 10 Jul 2013 09:38:05 -0700, by Mike Pavone
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Added ternary tree implementation and a simple test program for itTue, 09 Jul 2013 20:51:42 -0700, by Mike Pavone
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Last set of changes to analyze.py from when I was last working on reversing the VDPSun, 07 Jul 2013 15:05:50 -0700, by Mike Pavone
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Refactor duplicated CRAM writing code and fix a bug in the processSun, 30 Jun 2013 21:45:23 -0700, by Mike Pavone
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Make VDP render in native pixel format of the renderer for a modest performance gain and to make it easier to use OpenGL for renderingSun, 30 Jun 2013 11:45:58 -0700, by Mike Pavone
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Forgot to null initialize the statfile pointerSat, 29 Jun 2013 17:21:19 -0700, by Mike Pavone
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Add support for loading GST format savestatesSat, 29 Jun 2013 17:15:08 -0700, by Mike Pavone
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Use the registers that were freed up by the memory map function changesTue, 25 Jun 2013 23:18:57 -0700, by Mike Pavone
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Change default resolution to 640x480Tue, 25 Jun 2013 23:03:25 -0700, by Mike Pavone
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Move IO code to a separate file and do a tiny bit of refactoringTue, 25 Jun 2013 19:20:39 -0700, by Mike Pavone
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Fix access to int_enable_cycle in EIMon, 24 Jun 2013 21:32:25 -0700, by Mike Pavone
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Cleanup makefile and link math libraryMon, 24 Jun 2013 21:30:38 -0700, by Mike Pavone
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Implement basic joystick supportSun, 23 Jun 2013 22:27:12 -0700, by Mike Pavone
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Fix window layer in double res interlace modeSun, 23 Jun 2013 12:27:11 -0700, by Mike Pavone
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Change buffer size to avoid weird artifacts on some systemsSun, 23 Jun 2013 11:25:56 -0700, by Mike Pavone
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Fix sprite y mask in interlace mode. Fix framebuffer selection when switching out of interlace mode.Sun, 23 Jun 2013 10:17:40 -0700, by Mike Pavone
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Fix vscroll calculation in double resultion interlace modeSun, 23 Jun 2013 09:17:19 -0700, by Mike Pavone
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Initial work on interlaceSat, 22 Jun 2013 21:19:43 -0700, by Mike Pavone
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Fix movem with pc displacement or pc indexed sourceWed, 19 Jun 2013 00:40:13 -0700, by Mike Pavone
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Initial stab at LFO phase modulationWed, 19 Jun 2013 00:25:09 -0700, by Mike Pavone
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Use a slightly more sane PSG volume divider. Stil seems too loud, need to check the real hardware.Wed, 19 Jun 2013 00:24:59 -0700, by Mike Pavone
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Process events in vgm player so that quitting worksMon, 17 Jun 2013 19:34:47 -0700, by Mike Pavone
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Add primitive vgm player for testingMon, 17 Jun 2013 00:54:14 -0700, by Mike Pavone
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Add support for logging YM2612 channels to WAVE filesSun, 16 Jun 2013 17:57:57 -0700, by Mike Pavone
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Fix modulation condition for operator 2Sun, 16 Jun 2013 13:42:13 -0700, by Mike Pavone
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Implement writes from 68K to Z80 bank register and make reads from port c control register return 0 againSun, 16 Jun 2013 13:25:45 -0700, by Mike Pavone
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Minor refactor of io_read functions to avoid duplication of logic between byte and word versionsSun, 16 Jun 2013 11:59:45 -0700, by Mike Pavone
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Fix YM2612 timersSun, 16 Jun 2013 00:56:23 -0700, by Mike Pavone
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Assert z80 interrupt longer so that they are not missed when they should not beSat, 15 Jun 2013 23:50:59 -0700, by Mike Pavone
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Fix DISat, 15 Jun 2013 23:10:48 -0700, by Mike Pavone
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Have test generator test both flag register 0 case and flag register FF caseSat, 15 Jun 2013 23:10:37 -0700, by Mike Pavone
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Fix adc and sbcFri, 14 Jun 2013 23:27:01 -0700, by Mike Pavone
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Make keybindings data driven so they can be populated from a config file laterFri, 14 Jun 2013 00:25:04 -0700, by Mike Pavone
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Fix LDIRThu, 13 Jun 2013 22:23:15 -0700, by Mike Pavone
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Fix output of algorithm 4 and make some other minor YM2612 core improvementsTue, 11 Jun 2013 23:36:18 -0700, by Mike Pavone
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Add debugger command for saving Z80 RAM to a fileTue, 11 Jun 2013 23:10:33 -0700, by Mike Pavone
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Bail out on attempt to run code from bank area until it is properly supportedTue, 11 Jun 2013 23:09:57 -0700, by Mike Pavone
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Fix address adjustement in z80_retrans_stubSun, 09 Jun 2013 02:38:56 -0700, by Mike Pavone
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Z80 debugger improvementsSun, 09 Jun 2013 02:03:26 -0700, by Mike Pavone
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Check memory results in ztestgenSat, 08 Jun 2013 12:59:23 -0700, by Mike Pavone
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Use a call instruction to figure out the original native address when retranslating so that it does not get lost when the byte transforms from a instruction word to extension wordSat, 08 Jun 2013 11:31:52 -0700, by Mike Pavone
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Removed out of date TODOThu, 06 Jun 2013 08:45:54 -0700, by Mike Pavone
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Fix LDD and LDDRThu, 06 Jun 2013 08:19:25 -0700, by Mike Pavone
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Fix dec and inc when the operand is in memoryWed, 05 Jun 2013 22:55:23 -0700, by Mike Pavone
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Fix channel mapping in key on/off registerWed, 05 Jun 2013 19:26:02 -0700, by Mike Pavone
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Fix LDIWed, 05 Jun 2013 18:47:39 -0700, by Mike Pavone
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Fix set/res when the operand is in memoryTue, 04 Jun 2013 22:30:49 -0700, by Mike Pavone
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Initial implementation of channel 3 special modeTue, 04 Jun 2013 21:23:12 -0700, by Mike Pavone
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Fix operator precedence bug with sustain levelTue, 04 Jun 2013 09:16:41 -0700, by Mike Pavone
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Fix modulation shift valueMon, 03 Jun 2013 23:44:11 -0700, by Mike Pavone
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Make shift value of operator output to modulation input a defineSun, 02 Jun 2013 22:37:48 -0700, by Mike Pavone
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Adjust shift for feedbackSun, 02 Jun 2013 22:33:27 -0700, by Mike Pavone
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Initial stab at feedbackSun, 02 Jun 2013 22:30:41 -0700, by Mike Pavone
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Fix key scalingSun, 02 Jun 2013 21:52:42 -0700, by Mike Pavone
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Clear IFF1 and IFF2 when an interrupt is taken on the Z80Sun, 02 Jun 2013 21:38:18 -0700, by Mike Pavone
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Fix YM2612 busy flagSun, 02 Jun 2013 21:12:43 -0700, by Mike Pavone
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Fix cycle count for inc and decSun, 02 Jun 2013 21:12:26 -0700, by Mike Pavone
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Bunch of Z80 debugger improvementsSun, 02 Jun 2013 20:14:27 -0700, by Mike Pavone
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Use signed ints for things that represent signed values in YM2612 coreSun, 02 Jun 2013 13:42:33 -0700, by Mike Pavone
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Fix register to operator mapping. Fix rate table generation. Add TL to envelope value rather than using it as a limit for the attack phase.Sun, 02 Jun 2013 00:00:22 -0700, by Mike Pavone
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Fix left/right enable default valueFri, 31 May 2013 21:30:11 -0700, by Mike Pavone
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Make the n command in the Z80 debugger actually run the next instruction without needing a c commandFri, 31 May 2013 20:47:34 -0700, by Mike Pavone
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Fix P condition in Z80 coreFri, 31 May 2013 20:46:56 -0700, by Mike Pavone
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Partial implementation of Z80 debuggerFri, 31 May 2013 19:43:13 -0700, by Mike Pavone
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Actually save the shifted phase inc after applying the block shiftWed, 29 May 2013 21:21:14 -0700, by Mike Pavone
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Incredibly broken YM2612 support plus a fix to Z80 bus requestWed, 29 May 2013 00:57:19 -0700, by Mike Pavone
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Fix push AFWed, 29 May 2013 00:13:48 -0700, by Mike Pavone
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YM2612 WIP updateMon, 27 May 2013 22:19:11 -0700, by Mike Pavone
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Fix deadlock on quitMon, 27 May 2013 20:56:02 -0700, by Mike Pavone
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Fix sizeof expression passed to malloc in z80_init to avoid a minor memory errorMon, 27 May 2013 20:37:55 -0700, by Mike Pavone
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YM2612 WIP snapshot before register refactorMon, 27 May 2013 09:54:58 -0700, by Mike Pavone
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Make Z80 writes to VDP/PSG not potentially crash the emulatorFri, 24 May 2013 00:41:54 -0700, by Mike Pavone
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Allow VDP/PSG writes from Z80Fri, 24 May 2013 00:26:27 -0700, by Mike Pavone
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Get rid of debug puts and limit based on audio rather than frame rate by default.Thu, 23 May 2013 23:55:42 -0700, by Mike Pavone
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Fix clipping in PSG coreThu, 23 May 2013 23:51:49 -0700, by Mike Pavone
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Initial PSG support. Mostly works, noise channel is borked though.Thu, 23 May 2013 23:42:42 -0700, by Mike Pavone
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Updated todo listWed, 22 May 2013 09:37:02 -0700, by Mike Pavone
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Finish SRAM support for games without a SEGA mapperTue, 21 May 2013 23:29:48 -0700, by Mike Pavone
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Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.Tue, 21 May 2013 22:08:59 -0700, by Mike Pavone
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Refactor code gen for read/write functionsTue, 21 May 2013 19:26:20 -0700, by Mike Pavone
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Fix some minor copy pasta bugs that resulted in an unnecessary REX prefix being generated for some instructionsTue, 21 May 2013 01:14:59 -0700, by Mike Pavone
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m68k_trap is now replaced with a generated one so it can call the generated memory acccess functions. The old static memory access functions have been removed from runtime.STue, 21 May 2013 01:10:04 -0700, by Mike Pavone
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Generate handle_cycle_limit_int at runtime so it can refer to the runtime generated memory map functionsTue, 21 May 2013 00:56:56 -0700, by Mike Pavone
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Fix a region detection bugSun, 19 May 2013 18:40:34 -0700, by Mike Pavone
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Don't sync the 68K clock to the VDP clock unless the 68K had to wait for the VDP. This unfortunately breaks the direct color DMA demos, but should be more correct overall.Sun, 19 May 2013 13:47:47 -0700, by Mike Pavone
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Handle busack across frame boundarySun, 19 May 2013 11:38:15 -0700, by Mike Pavone
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Mostly working runtime generation of memory map read/write functionsSat, 18 May 2013 11:44:42 -0700, by Mike Pavone
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Get frame time correct and frame rate sort of correct for EUR regionThu, 16 May 2013 09:37:53 -0700, by Mike Pavone
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Support regions other than USAWed, 15 May 2013 23:51:22 -0700, by Mike Pavone
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Set window title based on ROM header nameWed, 15 May 2013 23:32:21 -0700, by Mike Pavone
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Increase sample size for min_delayWed, 15 May 2013 22:39:36 -0700, by Mike Pavone
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Re-enable frame limit, but add a command line flag to disable itWed, 15 May 2013 22:37:25 -0700, by Mike Pavone
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Fix background color regsiter numberWed, 15 May 2013 22:37:04 -0700, by Mike Pavone
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Fix a stupid bug in z80 busreq acknowledge delay code and make some small improvements there tooTue, 14 May 2013 22:52:15 -0700, by Mike Pavone
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Some Z80 interrupt fixesTue, 14 May 2013 21:59:56 -0700, by Mike Pavone
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Only latch video mode at the very beginning of the frame to avoid problems with the cycle count getting out of sync with what I expectTue, 14 May 2013 00:46:34 -0700, by Mike Pavone
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Update Z80 vint timingTue, 14 May 2013 00:40:10 -0700, by Mike Pavone
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Update hv counter calculation for clock wonkinessTue, 14 May 2013 00:28:45 -0700, by Mike Pavone
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Fixup VINT cycle and HBLANK flag for the previous timing fixesTue, 14 May 2013 00:03:26 -0700, by Mike Pavone
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Initial stab at implementing funky clock adjustments during HSYNC for H40 modeMon, 13 May 2013 23:42:52 -0700, by Mike Pavone
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Implement first line/last line weirdness in VDPMon, 13 May 2013 21:52:33 -0700, by Mike Pavone
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Fewer magic numbers in the VDP core for the winMon, 13 May 2013 21:36:33 -0700, by Mike Pavone
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Added some basic VDP debugging features to debugger. Fixed DMA enable bugMon, 13 May 2013 21:06:08 -0700, by Mike Pavone
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Added more 68K test casesMon, 13 May 2013 21:05:49 -0700, by Mike Pavone
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Fixed decoding of CHK destinationSun, 12 May 2013 01:34:29 -0700, by Mike Pavone
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Fix retrun address calculation for CHK exceptionsSun, 12 May 2013 01:34:17 -0700, by Mike Pavone
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Properly mask sprite X and Y coordinatesSat, 11 May 2013 23:59:20 -0700, by Mike Pavone
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Remove z80_ram reference in SDL renderer to get stateview compiling again. Print out the sprite list in stateview.Sat, 11 May 2013 22:45:05 -0700, by Mike Pavone
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Don't update interrupt mask on non-interrupt exceptionsSat, 11 May 2013 21:19:31 -0700, by Mike Pavone
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Fix check for code writesSat, 11 May 2013 01:57:41 -0700, by Mike Pavone
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Port instruction retranslation improvements from Z80 core to M68K coreSat, 11 May 2013 01:38:57 -0700, by Mike Pavone
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Implement hblank flag in status registerFri, 10 May 2013 23:16:06 -0700, by Mike Pavone
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Initial stab at horizontal interrupts and improving accuracy of vertical interrupts. Also added the VINT pending flag to status port.Fri, 10 May 2013 22:57:56 -0700, by Mike Pavone
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Add YM2612 stubs to transz80Thu, 09 May 2013 20:59:49 -0700, by Mike Pavone
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Fix return address for RSTThu, 09 May 2013 20:09:49 -0700, by Mike Pavone
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Show absolute addresses for JR, JRCC and DJNZ in Z80 disassemblerThu, 09 May 2013 19:38:28 -0700, by Mike Pavone
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Fix terminal instruction detection in disassemblerThu, 09 May 2013 19:24:18 -0700, by Mike Pavone
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Properly handle instructions that use boty IYH and IYLThu, 09 May 2013 18:36:21 -0700, by Mike Pavone
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Set the N flag to the correct value for DEC instructionsThu, 09 May 2013 00:33:06 -0700, by Mike Pavone
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Implement carry flag for shift instructions. Implement weird behavior for bit 0 of SLL. Fix missing break statement in SRL.Thu, 09 May 2013 00:30:55 -0700, by Mike Pavone
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Correctly set the N flag for SBCThu, 09 May 2013 00:17:12 -0700, by Mike Pavone
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Deal with the fact that there's no 8-bit version of the BT family of instructions on x86Thu, 09 May 2013 00:14:54 -0700, by Mike Pavone
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Complete flag behavior for Z80 BIT instructionWed, 08 May 2013 23:44:49 -0700, by Mike Pavone
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Properly handle negative displacements in Z80 coreWed, 08 May 2013 23:31:19 -0700, by Mike Pavone
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Contrary to the official documenation, OR and AND also set PV based on parity instead of overflowWed, 08 May 2013 23:29:21 -0700, by Mike Pavone
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Set PV flag based on parity, not overflow for XORWed, 08 May 2013 23:20:41 -0700, by Mike Pavone
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BIT was setting the zero flag to the opposite of what it should have. This is now fixed.Wed, 08 May 2013 23:17:54 -0700, by Mike Pavone
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More fixes for confusion between Z80_UNUSED and MODE_UNUSEDWed, 08 May 2013 23:12:08 -0700, by Mike Pavone
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Compare src_op.mode with the correct constant in shift/rotate instructionsWed, 08 May 2013 23:03:18 -0700, by Mike Pavone
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Fix IX/IY register selection when the direction bit is setWed, 08 May 2013 22:49:50 -0700, by Mike Pavone
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Fix calcuation of IX/IY dipslacements. Fix a bunch of stuff related to the IX/IY bit/shift/rotate instructions.Wed, 08 May 2013 22:46:03 -0700, by Mike Pavone
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Fix handling of instructions that combine an IX/IY displacement with another prefix in test generatorWed, 08 May 2013 22:45:29 -0700, by Mike Pavone
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Fix printing of negative displacements in Z80 disassemblerWed, 08 May 2013 22:43:31 -0700, by Mike Pavone
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Fix encoding of "extended" instructions in Z80 test generatorWed, 08 May 2013 21:02:33 -0700, by Mike Pavone
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Fix stupid copy-pasta bug in XORWed, 08 May 2013 17:39:13 -0700, by Mike Pavone
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Fix byte order of pop AFWed, 08 May 2013 17:32:28 -0700, by Mike Pavone
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Cleanup reg printing in z80 test runnerWed, 08 May 2013 17:05:12 -0700, by Mike Pavone
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Added z80 test generator and z80 test runner.Wed, 08 May 2013 14:40:48 -0700, by Mike Pavone
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Make sure all rendering operations mask CRAM with 0xEEE before using itMon, 06 May 2013 00:57:56 -0700, by Mike Pavone
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Implement writes from Z80 to YM-2612Mon, 06 May 2013 00:54:58 -0700, by Mike Pavone
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Hopefully more correct implementation of the Z80 busack statusMon, 06 May 2013 00:22:24 -0700, by Mike Pavone
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Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run.Sun, 05 May 2013 22:56:42 -0700, by Mike Pavone
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Implement RRD and implement flags on RLDSun, 05 May 2013 11:17:37 -0700, by Mike Pavone
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Implemente RLDSat, 04 May 2013 18:51:53 -0700, by Mike Pavone
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Implement HALT (sort of tested)Sat, 04 May 2013 16:23:28 -0700, by Mike Pavone
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Implement IN and OUT (untested)Sat, 04 May 2013 15:58:15 -0700, by Mike Pavone
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Implement RETI and RETN (untested). Cleanup tests for "terminal" instructions.Sat, 04 May 2013 15:15:55 -0700, by Mike Pavone
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Remove deferred address entries from abandoned translations inside z80_retrans_instSat, 04 May 2013 14:36:50 -0700, by Mike Pavone
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Save context in z80_do_syncFri, 03 May 2013 21:22:36 -0700, by Mike Pavone
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Fix bank register updateFri, 03 May 2013 21:09:48 -0700, by Mike Pavone
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Fix native address lookup in bannked memory areaFri, 03 May 2013 20:18:28 -0700, by Mike Pavone
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Use hex where appropriate in disassemblerFri, 03 May 2013 20:15:23 -0700, by Mike Pavone
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Using push/pop inside translated code is not compatible with the current way the Z80 core returns to the callerFri, 03 May 2013 19:27:32 -0700, by Mike Pavone
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Fix crash bug in Z80 interrupt supportFri, 03 May 2013 18:50:16 -0700, by Mike Pavone
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Implement shift instructions (untested)Fri, 03 May 2013 18:49:48 -0700, by Mike Pavone
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Implement CPL and NEG (untested)Thu, 02 May 2013 22:39:39 -0700, by Mike Pavone
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Implement LDD and LDDRThu, 02 May 2013 22:28:40 -0700, by Mike Pavone
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Implement LDIThu, 02 May 2013 22:26:47 -0700, by Mike Pavone
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Protect debug prints for busreq/reset regs with appropriate macrosThu, 02 May 2013 22:21:41 -0700, by Mike Pavone
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Fix decoding of CP.Thu, 02 May 2013 22:18:33 -0700, by Mike Pavone
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Fix IX/IY displace modes. Fix check for registers requiring REX.Thu, 02 May 2013 22:18:22 -0700, by Mike Pavone
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Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 resetThu, 02 May 2013 21:54:04 -0700, by Mike Pavone
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Don't mix *H regs with the REX prefixThu, 02 May 2013 00:10:24 -0700, by Mike Pavone
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Fix some more retranslation bugs in the Z80 coreWed, 01 May 2013 23:12:29 -0700, by Mike Pavone
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Add -n flag for disabling the Z80 coreWed, 01 May 2013 20:15:33 -0700, by Mike Pavone
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Fix a crash bug in instruction retranslationWed, 01 May 2013 20:09:53 -0700, by Mike Pavone
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Add a second context pointer to m68k_context so that try_fifo_write can still have easy access to the VDP. Handle writes to Z80 code addresses from the 68K.Tue, 30 Apr 2013 20:36:15 -0700, by Mike Pavone
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Implement ld to and from the I and R registersTue, 30 Apr 2013 20:33:30 -0700, by Mike Pavone
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Implement LDIR and fix a bug in which context was not restored after a call to z80_handle_code_writeTue, 30 Apr 2013 01:00:10 -0700, by Mike Pavone
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Initial stab at integartiong Z80 coreTue, 30 Apr 2013 00:39:31 -0700, by Mike Pavone
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Fix a remaining z80_write reg swap bug. Properly initialize the native map slots. Reset appropriate regs when z80_reset is called.Tue, 30 Apr 2013 00:39:20 -0700, by Mike Pavone
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Fix infinite loop in Z80 disassemblerTue, 30 Apr 2013 00:37:30 -0700, by Mike Pavone
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Implement CCF and SCFMon, 29 Apr 2013 23:02:39 -0700, by Mike Pavone
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Fix decoding of address in JP and JPCC instructions in the Z80 coreMon, 29 Apr 2013 22:58:45 -0700, by Mike Pavone
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Properly handle wrapping around to 0 in translate_z80_streamMon, 29 Apr 2013 22:52:05 -0700, by Mike Pavone
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Fix bug in end condition inside translate_z80_stream.Mon, 29 Apr 2013 22:37:47 -0700, by Mike Pavone
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Squashing some bugs introduced when I switched the register assignments for z80_write_byte around.Mon, 29 Apr 2013 22:32:21 -0700, by Mike Pavone
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Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test.Mon, 29 Apr 2013 21:46:48 -0700, by Mike Pavone
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Fix target cycle count after 68K interruptMon, 29 Apr 2013 01:14:24 -0700, by Mike Pavone
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Implemented basic interrupt support in Z80 core.Mon, 29 Apr 2013 00:59:50 -0700, by Mike Pavone
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Forgot to commit zruntime a while back, adding it now.Mon, 29 Apr 2013 00:59:32 -0700, by Mike Pavone
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Implement ADC and SBC in Z80 core (untested)Sun, 28 Apr 2013 23:25:18 -0700, by Mike Pavone
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Implement rotation and bit set/reset instructions (untested).Sun, 28 Apr 2013 22:41:30 -0700, by Mike Pavone
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Implement RETCC in Z80 core.Sun, 28 Apr 2013 21:00:27 -0700, by Mike Pavone
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Implement cartridge rom loading in transz80Sun, 28 Apr 2013 21:00:16 -0700, by Mike Pavone
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Implement cycle limit in Z80 core.Sun, 28 Apr 2013 18:53:43 -0700, by Mike Pavone
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Implement EI, DI and IM in the Z80 coreSun, 28 Apr 2013 14:32:45 -0700, by Mike Pavone
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Implemente CP (untested)Sun, 28 Apr 2013 14:05:02 -0700, by Mike Pavone
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Implement EX, EXX and RST in Z80 coreSun, 28 Apr 2013 13:45:17 -0700, by Mike Pavone
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Add header dependencies to offsetsSun, 28 Apr 2013 13:45:00 -0700, by Mike Pavone
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Implement BIT and DJNZ (tested). Fix register mapping for IYL.Fri, 26 Apr 2013 22:27:17 -0700, by Mike Pavone
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Added the rest of the conditions to JPCC, implemented CALLCC (untested)Fri, 26 Apr 2013 09:51:57 -0700, by Mike Pavone
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Added key to save Z80 RAM to a fileFri, 26 Apr 2013 09:51:13 -0700, by Mike Pavone
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Implement more Z80 instructions (untested)Thu, 25 Apr 2013 22:49:36 -0700, by Mike Pavone
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Get Z80 core working for simple programsThu, 25 Apr 2013 21:01:11 -0700, by Mike Pavone
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Add shadow/higlight info to debug rendererMon, 22 Apr 2013 23:56:13 -0700, by Mike Pavone
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Less broken implementation of shadow/highlightMon, 22 Apr 2013 23:34:39 -0700, by Mike Pavone
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Shadow and higlight operators were switchedMon, 22 Apr 2013 21:24:50 -0700, by Mike Pavone
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Added todo listMon, 22 Apr 2013 20:13:07 -0700, by Mike Pavone
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Implemented shadow hilight mode.Mon, 22 Apr 2013 19:39:38 -0700, by Mike Pavone
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Improve color rendering accuracy and optimize SDL renderer a bitSun, 21 Apr 2013 19:12:48 -0700, by Mike Pavone
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Fix overflow detection in divs. Fix negative immediate source for divsSun, 21 Apr 2013 16:44:46 -0700, by Mike Pavone
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Added test cases for divs/divu and added divide by zero handler to test generatorSun, 21 Apr 2013 16:44:10 -0700, by Mike Pavone
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Implement CHK instruction (not fully tested).Sun, 21 Apr 2013 13:00:34 -0700, by Mike Pavone
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Added testcases for move and roxl/roxr. Made some small improvements to test tools.Sun, 21 Apr 2013 11:40:18 -0700, by Mike Pavone
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Fix muls with a negative immediate source.Sat, 20 Apr 2013 17:41:07 -0700, by Mike Pavone
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Added testcases for muls, mulu, abcd and sbcdSat, 20 Apr 2013 17:32:34 -0700, by Mike Pavone
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Fix modulo on bit operations with a memory destinationSat, 20 Apr 2013 16:53:01 -0700, by Mike Pavone
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Add support for picking random numbers in a larger range in test generator. Add support for running a subset of tests in runner. Added testcases for bit and rotate instructions.Sat, 20 Apr 2013 15:14:47 -0700, by Mike Pavone
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Fix overflow flag behavior for lsl/lsr/asrSat, 20 Apr 2013 14:36:41 -0700, by Mike Pavone
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Fix autoincrement on a7 when used as a destination in a byte sized instructionSat, 20 Apr 2013 00:36:50 -0700, by Mike Pavone
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Added testcases file. Some fixes to test generator for dealing with indexed mode with base and index reg the same. Added support for blastem headless mode in test runner.Sat, 20 Apr 2013 00:29:14 -0700, by Mike Pavone
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Fix some bugs related to sign-extension of address registers and pre-decrement amount for a7 when used as a source.Fri, 19 Apr 2013 21:36:54 -0700, by Mike Pavone
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Added headless flag to avoid initializing SDL and opening a window when running tests.Fri, 19 Apr 2013 21:36:00 -0700, by Mike Pavone
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Add test generator, builder and runnerFri, 19 Apr 2013 09:29:37 -0700, by Mike Pavone
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Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.Tue, 16 Apr 2013 22:29:00 -0700, by Mike Pavone
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Fixed up trans for changes to translate_m68k_stream, but still need to deal with missing callbacks.Tue, 16 Apr 2013 09:38:30 -0700, by Mike Pavone
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Small bit of cleanupTue, 16 Apr 2013 09:31:21 -0700, by Mike Pavone
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Fix movem reg to mem for certain addressing modesSun, 27 Jan 2013 13:07:26 -0800, by Mike Pavone
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Flag fixes for div, negx and notSat, 26 Jan 2013 02:47:26 -0800, by Mike Pavone
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Tweaks to make blastem compatible with m68k-testerSat, 26 Jan 2013 01:33:32 -0800, by Mike Pavone
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Fix overflow flag on ASLFri, 25 Jan 2013 18:39:22 -0800, by Mike Pavone
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Add support for IY bit instructions to decoderWed, 23 Jan 2013 21:54:58 -0800, by Mike Pavone
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Add support for IX bit instructions to decoderWed, 23 Jan 2013 21:50:54 -0800, by Mike Pavone
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Add support for 2-byte IY instructions to decoderTue, 22 Jan 2013 20:24:14 -0800, by Mike Pavone
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Add support for 2-byte IX instructions to decoderTue, 22 Jan 2013 20:21:05 -0800, by Mike Pavone
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Distinguish between 1-byte and 2-byte NOPsMon, 21 Jan 2013 21:59:09 -0800, by Mike Pavone
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Add support for bit instructions to decoderMon, 21 Jan 2013 21:17:52 -0800, by Mike Pavone
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Add support for EXTD group 2-byte Z80 instructions in decoderSun, 20 Jan 2013 21:32:13 -0800, by Mike Pavone
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Add initial stab at Z80 decoder and disassemblerSun, 20 Jan 2013 19:11:24 -0800, by Mike Pavone
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Add support for breaking into the debugger while game is runningSun, 20 Jan 2013 19:10:29 -0800, by Mike Pavone
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Add instruction address logging to translator and support for reading an address log to the disassemblerThu, 17 Jan 2013 20:00:07 -0800, by Mike Pavone
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Implement pc indexed mode as move dstThu, 17 Jan 2013 08:19:29 -0800, by Mike Pavone
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Fix 6-button controller emulationWed, 16 Jan 2013 22:50:02 -0800, by Mike Pavone
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Implement ABCD an SBCD. Fix BTEST with register source.Wed, 16 Jan 2013 22:40:56 -0800, by Mike Pavone
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Implement support for self-modifying codeTue, 15 Jan 2013 00:14:36 -0800, by Mike Pavone
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Prep work for handling games that modify code in RAMMon, 14 Jan 2013 21:56:54 -0800, by Mike Pavone
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Fixes for direct color dma stuffMon, 14 Jan 2013 20:23:17 -0800, by Mike Pavone
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Small fix to bg drawing that yields the proper res for direct color DMAMon, 14 Jan 2013 02:13:14 -0800, by Mike Pavone
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Fix background rendering when display is off and improve refresh cycle emulation so that direct color DMA demos workMon, 14 Jan 2013 02:03:35 -0800, by Mike Pavone
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Fix movem.w when dest is register listSun, 13 Jan 2013 23:48:04 -0800, by Mike Pavone
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Fix return address for areg displacement mode JSRSun, 13 Jan 2013 23:06:26 -0800, by Mike Pavone
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Cleanup VINT code and fix bug in which VINT cycle would be set incorrectly after a VDP control port writeSun, 13 Jan 2013 16:11:28 -0800, by Mike Pavone
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Add ability to print out current 68K cycle in debuggerSun, 13 Jan 2013 15:55:43 -0800, by Mike Pavone
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Fix a bunch of bugs in the CPU core, add a 68K debuggerSun, 13 Jan 2013 13:01:13 -0800, by Mike Pavone
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Fix (a7)+ src when size is byte, fix trap return address, make div with areg src decoded to invalidWed, 09 Jan 2013 22:31:07 -0800, by Mike Pavone
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Fix -(a7) dest when size is byteWed, 09 Jan 2013 21:41:55 -0800, by Mike Pavone
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Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructionsWed, 09 Jan 2013 21:08:37 -0800, by Mike Pavone
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Fix rendering of sprites at the top edge of screenTue, 08 Jan 2013 09:34:46 -0800, by Mike Pavone
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Fix scc to set reg to 0xFF rather than 1 when the condition is trueTue, 08 Jan 2013 09:34:24 -0800, by Mike Pavone
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Fix order of reading saved pc and swapping user and system stack pointersSun, 06 Jan 2013 22:45:45 -0800, by Mike Pavone
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Make sure we bail out of translation after translating an invalid instructionSun, 06 Jan 2013 21:44:54 -0800, by Mike Pavone
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Print a message when we try to run an invalid instruction, not when we try to translate itSun, 06 Jan 2013 21:42:57 -0800, by Mike Pavone
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Fix order of SR and PC saved in an exception stack frameSun, 06 Jan 2013 20:49:42 -0800, by Mike Pavone
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Implement areg displacement mode for jsrSun, 06 Jan 2013 18:31:17 -0800, by Mike Pavone
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Implement negxSun, 06 Jan 2013 15:20:23 -0800, by Mike Pavone
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Implement movepSun, 06 Jan 2013 14:41:26 -0800, by Mike Pavone
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Implement EORI CCR/SRSun, 06 Jan 2013 14:00:45 -0800, by Mike Pavone
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Implement RTRSun, 06 Jan 2013 13:58:33 -0800, by Mike Pavone
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Fix a bunch of addressing modes in movem when a register list is the destinationSun, 06 Jan 2013 13:42:13 -0800, by Mike Pavone
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Minor optimization and a cycle count fix to leaSun, 06 Jan 2013 12:17:10 -0800, by Mike Pavone
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Initialize status register to proper value on startupSun, 06 Jan 2013 10:54:45 -0800, by Mike Pavone
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Added SMD ROM supportSun, 06 Jan 2013 09:51:15 -0800, by Mike Pavone
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Fix certain address modes with lea when the destination is not a native registerSat, 05 Jan 2013 22:59:51 -0800, by Mike Pavone
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Small fix to disassemblerSat, 05 Jan 2013 22:59:06 -0800, by Mike Pavone
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Fix decoding of movepSat, 05 Jan 2013 02:46:55 -0800, by Mike Pavone
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Implement more movem modes srcSat, 05 Jan 2013 02:18:31 -0800, by Mike Pavone
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Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dstSat, 05 Jan 2013 01:55:11 -0800, by Mike Pavone
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Fix crash in printf from "crash" function due to lack of clearing raxSat, 05 Jan 2013 01:32:40 -0800, by Mike Pavone
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FIx movem when src is reg list and dst is not a areg predec modeSat, 05 Jan 2013 01:31:28 -0800, by Mike Pavone
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Fix predec address mode when used as sourceSat, 05 Jan 2013 00:53:50 -0800, by Mike Pavone
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Fix rotate instructions that use a register source. Fix ROXL/ROXR to actually use the appropriate x86 instruction.Fri, 04 Jan 2013 23:52:20 -0800, by Mike Pavone
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Add cycles for Bcc (needs work, but this changes keeps some ROMs from making the emulator unresponsive)Fri, 04 Jan 2013 23:25:23 -0800, by Mike Pavone
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Don't use the native call stack for M68K calls by defaultFri, 04 Jan 2013 23:21:07 -0800, by Mike Pavone
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Small fix for bit instructionsFri, 04 Jan 2013 22:51:01 -0800, by Mike Pavone
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Implement access to Z80 RAMFri, 04 Jan 2013 21:47:09 -0800, by Mike Pavone
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Implement TRAP (untested)Thu, 03 Jan 2013 22:49:21 -0800, by Mike Pavone
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Implement MULU/MULS and DIVU/DIVSThu, 03 Jan 2013 22:07:40 -0800, by Mike Pavone
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Do a sync when interrupt mask changes so we can recompute the next interrupt cycle. Also fix a bug in which the SR part of ORI to SR was not being performed.Tue, 01 Jan 2013 09:40:17 -0800, by Mike Pavone
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Make writes to control and data port block when DMA is in progressTue, 01 Jan 2013 07:06:57 -0800, by Mike Pavone
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Bail out of disassembly of a particular stream when we hit an invalid instructionTue, 01 Jan 2013 07:04:48 -0800, by Mike Pavone
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Add hgignore fileTue, 01 Jan 2013 07:03:52 -0800, by Mike Pavone
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Implement most of the "X" instructionsMon, 31 Dec 2012 20:09:09 -0800, by Mike Pavone
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Implement m68k_modified_ret_addrMon, 31 Dec 2012 19:17:01 -0800, by Mike Pavone
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Comment out some debug printfsMon, 31 Dec 2012 18:53:52 -0800, by Mike Pavone
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Fix infinite loop bug in sprite renderingMon, 31 Dec 2012 18:36:16 -0800, by Mike Pavone
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Fix DMA fills to VRAMMon, 31 Dec 2012 18:22:25 -0800, by Mike Pavone
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Fix DMA in progress flag in VDP status registerMon, 31 Dec 2012 18:12:08 -0800, by Mike Pavone
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Fix label names in disassemblerMon, 31 Dec 2012 11:56:01 -0800, by Mike Pavone
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Properly support references to odd addresses in label generation in disassembler. Add labels for start and interrupts.Mon, 31 Dec 2012 11:54:27 -0800, by Mike Pavone
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Fix VDP readsMon, 31 Dec 2012 11:26:57 -0800, by Mike Pavone
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Implemented HV counterSun, 30 Dec 2012 22:39:41 -0800, by Mike Pavone
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Fix some bugs in decoding cmpSun, 30 Dec 2012 18:40:33 -0800, by Mike Pavone
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Fix 68K->VDP DMASun, 30 Dec 2012 11:54:25 -0800, by Mike Pavone
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Improve disassemblerSun, 30 Dec 2012 09:55:18 -0800, by Mike Pavone
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Add support for pc indexed addressing mode to leaSun, 30 Dec 2012 09:55:07 -0800, by Mike Pavone
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Support more address modes for jmpSun, 30 Dec 2012 07:52:44 -0800, by Mike Pavone
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Fix bug that was causing DMA fills to lock up under certain circumstancesSun, 30 Dec 2012 01:15:16 -0800, by Mike Pavone
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Make version register return correct value for USASun, 30 Dec 2012 00:11:03 -0800, by Mike Pavone
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Fix swapSat, 29 Dec 2012 23:40:30 -0800, by Mike Pavone
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Cleanup bit instructions and fix bug in translate_m68k_move that caused incorrect results once translate_m68k_src was fixedSat, 29 Dec 2012 23:08:14 -0800, by Mike Pavone
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Fix crash when printing error message about modified return addressSat, 29 Dec 2012 23:07:23 -0800, by Mike Pavone
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Fix check in translate_m68k_src that deals with instructions for which both operands are registers that are not mapped to a native x86-64 registerSat, 29 Dec 2012 22:22:53 -0800, by Mike Pavone
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Fix encoding of movsx instruction when used with new (i.e. r9-r15) registers. This fixes the indexed addressing modes when used with a word-wide index registerSat, 29 Dec 2012 22:11:28 -0800, by Mike Pavone
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Some fixes for translating code in located in RAMSat, 29 Dec 2012 21:55:42 -0800, by Mike Pavone
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Implement the rest of the bit instructionsSat, 29 Dec 2012 21:10:07 -0800, by Mike Pavone
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Implemented ROL and RORSat, 29 Dec 2012 20:33:39 -0800, by Mike Pavone
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Fix logic for switching between USP and SSPSat, 29 Dec 2012 12:52:19 -0800, by Mike Pavone
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Fix decoding of CMPAFri, 28 Dec 2012 22:47:22 -0800, by Mike Pavone
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Fix return address pushed to stack for jsrFri, 28 Dec 2012 22:47:10 -0800, by Mike Pavone
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cycles should return dstFri, 28 Dec 2012 21:36:22 -0800, by Mike Pavone
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Fix call_r in gen_x86 so that it properly returns a pointer to the location after the generated instructionFri, 28 Dec 2012 21:25:00 -0800, by Mike Pavone
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Implement pea (untested).Fri, 28 Dec 2012 21:20:14 -0800, by Mike Pavone
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Fix Z80 busreq logicFri, 28 Dec 2012 20:46:29 -0800, by Mike Pavone
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Allow jmp/jsr to follow pc-relative addresses in disassemblerFri, 28 Dec 2012 19:21:05 -0800, by Mike Pavone
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Defer the correct address for pc relative jsr/jmpFri, 28 Dec 2012 17:59:41 -0800, by Mike Pavone
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Implement scc (untested)Fri, 28 Dec 2012 17:57:43 -0800, by Mike Pavone
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Fix decoding of SccFri, 28 Dec 2012 15:34:24 -0800, by Mike Pavone
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Implement more address modes for jsrFri, 28 Dec 2012 15:16:36 -0800, by Mike Pavone
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COmment out fifo full debug printfFri, 28 Dec 2012 15:04:22 -0800, by Mike Pavone
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Fix horizontal mask values for scroll plane map address calculationFri, 28 Dec 2012 15:03:00 -0800, by Mike Pavone
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Fix areg indexed mode for move dstFri, 28 Dec 2012 14:30:25 -0800, by Mike Pavone
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Implement ORI to CCR/SRFri, 28 Dec 2012 11:07:13 -0800, by Mike Pavone
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Implemented move from SRFri, 28 Dec 2012 10:37:09 -0800, by Mike Pavone
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Use unsigned comparisons for address decoding, exit when we hit an unhandled addressing mode for jmpThu, 27 Dec 2012 23:00:11 -0800, by Mike Pavone
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allocate a new native code chunk when we run out of spaceThu, 27 Dec 2012 22:41:28 -0800, by Mike Pavone
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Some fixes to add/addx sub/subx decodingThu, 27 Dec 2012 22:35:26 -0800, by Mike Pavone
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Implement areg indexed mode for leaThu, 27 Dec 2012 22:11:26 -0800, by Mike Pavone
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Allow use of indexed modes as move dstThu, 27 Dec 2012 22:05:22 -0800, by Mike Pavone
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Allow indexed modes to be used as a destinationThu, 27 Dec 2012 21:54:54 -0800, by Mike Pavone
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Fix address register indexed addressing (probably)Thu, 27 Dec 2012 21:32:00 -0800, by Mike Pavone
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Fix pc indexed addressing (probably) when used as a sourceThu, 27 Dec 2012 21:23:55 -0800, by Mike Pavone
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Initial work on allowing dynamic branches and code in RAM plus a small fix to effective address decodingThu, 27 Dec 2012 21:19:58 -0800, by Mike Pavone
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Fix decoding bug for addq/subqThu, 27 Dec 2012 18:47:33 -0800, by Mike Pavone
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Implement EXT, add some fixes to LINK/UNLKThu, 27 Dec 2012 18:21:10 -0800, by Mike Pavone
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Fix some bugs in emulation of CLRThu, 27 Dec 2012 10:40:03 -0800, by Mike Pavone
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Fix decoding bug in addq/subqThu, 27 Dec 2012 10:10:23 -0800, by Mike Pavone
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Fix decoding of andWed, 26 Dec 2012 22:13:31 -0800, by Mike Pavone
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Minor joypad fix and commeount out some debug printfsWed, 26 Dec 2012 22:07:44 -0800, by Mike Pavone
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Forgot to add blastem main file earlierWed, 26 Dec 2012 21:50:48 -0800, by Mike Pavone
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vertical interrupts now workWed, 26 Dec 2012 20:18:58 -0800, by Mike Pavone
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RTE doesn't crash the emulator anymoreWed, 26 Dec 2012 18:20:23 -0800, by Mike Pavone
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Fix Z80 BUSREQ/RESET implementation.Wed, 26 Dec 2012 17:50:24 -0800, by Mike Pavone
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Fix long reads from IO ports or long reads that trigger sync cycles by saving rdi. Possibly fix word wide IO reads.Wed, 26 Dec 2012 17:34:59 -0800, by Mike Pavone
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Implement Z80 reset and bus request registers.Wed, 26 Dec 2012 17:06:34 -0800, by Mike Pavone
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Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).Wed, 26 Dec 2012 11:09:04 -0800, by Mike Pavone
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Add support for indexed modes as a source, some work on jmp and jsr with areg indirect modeSat, 22 Dec 2012 21:37:25 -0800, by Mike Pavone
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Fix bug in disassembler that caused it to disassemble addresses it shouldn'tFri, 21 Dec 2012 22:33:24 -0800, by Mike Pavone
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Implement indexed with 8-bit displacement addressing modes in decoder and disassemblerFri, 21 Dec 2012 22:24:45 -0800, by Mike Pavone
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Added untested support for LINK and UNLKFri, 21 Dec 2012 21:53:05 -0800, by Mike Pavone
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Removed some old debug printfsFri, 21 Dec 2012 21:26:16 -0800, by Mike Pavone
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Implement JSR for some addressing modesFri, 21 Dec 2012 21:19:03 -0800, by Mike Pavone
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Implement DMA (untested)Fri, 21 Dec 2012 20:56:32 -0800, by Mike Pavone
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Fix some bugs in movem with a register list destinationFri, 21 Dec 2012 16:38:40 -0800, by Mike Pavone
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Implement a couple of supervisor instructionsFri, 21 Dec 2012 16:04:41 -0800, by Mike Pavone
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Implement word wide access to IO areaFri, 21 Dec 2012 16:04:30 -0800, by Mike Pavone
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Implement more instructions and address modesFri, 21 Dec 2012 01:00:52 -0800, by Mike Pavone
-
Make the translator bail out if it hits an instruction I haven't implemented yetThu, 20 Dec 2012 09:17:31 -0800, by Mike Pavone
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Fix disassembly of reg list in MOVEM when the reg list is the destinationThu, 20 Dec 2012 09:12:24 -0800, by Mike Pavone
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Fix decoding and disassembly of MOVEMThu, 20 Dec 2012 09:08:13 -0800, by Mike Pavone
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Fix BTSTThu, 20 Dec 2012 00:56:33 -0800, by Mike Pavone
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Gamepad supportThu, 20 Dec 2012 00:44:59 -0800, by Mike Pavone
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Fix issue in which VDP would have trouble emptying FIFO because the VDP cycle count got reset at end of frame.Wed, 19 Dec 2012 22:15:16 -0800, by Mike Pavone
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Cleanup 68K timing code. Temporarily omment out fFPS counter as it was causing segfaultsWed, 19 Dec 2012 21:25:39 -0800, by Mike Pavone
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Add FPS counter to console outputWed, 19 Dec 2012 20:53:59 -0800, by Mike Pavone
-
Print out large immediate values in hex rather than decimal formWed, 19 Dec 2012 20:53:45 -0800, by Mike Pavone
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Add support for BTST instruction (untested), absolute addressing mode for instructions other than move (untested) and fix decoding of MOVEM.Wed, 19 Dec 2012 20:23:59 -0800, by Mike Pavone
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Fix operand order for AND instructionsTue, 18 Dec 2012 23:55:10 -0800, by Mike Pavone
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ecx was getting clobbered before the relevant temp value was used in some cases during memory readsTue, 18 Dec 2012 22:56:04 -0800, by Mike Pavone
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Properly zero-init all VDP buffers. Comment out some debug printfs.Tue, 18 Dec 2012 22:20:25 -0800, by Mike Pavone
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Code in runtime for checking for VDP reads was using the wrong register. This is now fixed.Tue, 18 Dec 2012 22:19:52 -0800, by Mike Pavone
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Fix CRAM and possibly VSRAM writesTue, 18 Dec 2012 19:51:33 -0800, by Mike Pavone
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Add palette debug to SDL rendererTue, 18 Dec 2012 19:51:17 -0800, by Mike Pavone
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Get Flavio's color bar demo kind of sort of workingTue, 18 Dec 2012 02:16:42 -0800, by Mike Pavone
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Add preliminary support for JMPSun, 16 Dec 2012 22:25:29 -0800, by Mike Pavone
-
Implement CLR, minor refactor of register offset calculation in context structSun, 16 Dec 2012 21:57:52 -0800, by Mike Pavone
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Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding.Sat, 15 Dec 2012 23:01:32 -0800, by Mike Pavone
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Fix shift rotate instruction decoding and improve disassembly of move USP and conditional branch instructionsThu, 13 Dec 2012 09:47:40 -0800, by Mike Pavone
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Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinationsWed, 12 Dec 2012 23:21:11 -0800, by Mike Pavone
-
Don't try to disassemble addresses beyond the end of the cartridgeWed, 12 Dec 2012 21:25:31 -0800, by Mike Pavone
-
Fix bug in address visitation in disassemblerWed, 12 Dec 2012 20:43:42 -0800, by Mike Pavone
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Add support for dbcc instructionWed, 12 Dec 2012 20:18:06 -0800, by Mike Pavone
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Add vector table to test.s68Wed, 12 Dec 2012 20:17:59 -0800, by Mike Pavone
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Add logic for following control flow based on logic in the translatorWed, 12 Dec 2012 20:17:11 -0800, by Mike Pavone
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Add debug render mode and fix vertical flip bit for bg tilesSun, 09 Dec 2012 18:40:45 -0800, by Mike Pavone
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Fix bug in tile address masking. Remove some debug code from window plane.Sun, 09 Dec 2012 17:26:36 -0800, by Mike Pavone
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More correct window support, maybeSun, 09 Dec 2012 17:10:08 -0800, by Mike Pavone
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Broken window supportSun, 09 Dec 2012 17:05:13 -0800, by Mike Pavone
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Horizontal scroll works correctly now. In particular, the SEGA logo in Vectorman has a nice smooth wave like it shouldSun, 09 Dec 2012 01:13:41 -0800, by Mike Pavone
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Implement sprite index >= sprite limit triggers sprite limit behaviorSun, 09 Dec 2012 00:03:15 -0800, by Mike Pavone
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Initial H32 mode supportSat, 08 Dec 2012 23:49:51 -0800, by Mike Pavone
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Pass all sprite masking testsSat, 08 Dec 2012 23:09:40 -0800, by Mike Pavone
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Small fix to overflow flagSat, 08 Dec 2012 23:06:13 -0800, by Mike Pavone
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Improve sprite masking to almost completely pass Nemesis' sprite masking testSat, 08 Dec 2012 22:50:14 -0800, by Mike Pavone
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Add support for simple resolution scalingSat, 08 Dec 2012 22:07:25 -0800, by Mike Pavone
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Fix horizontal sprite mirroringSat, 08 Dec 2012 21:39:01 -0800, by Mike Pavone
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Make horizontal scrolling closer to correct, Comix Zone looks good, Sonic 2 slightly offSat, 08 Dec 2012 20:25:56 -0800, by Mike Pavone
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Small cleanupSat, 08 Dec 2012 20:02:10 -0800, by Mike Pavone
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Fix horizontal scroll offsetSat, 08 Dec 2012 19:59:32 -0800, by Mike Pavone
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Fix BG plane B render bugSat, 08 Dec 2012 19:42:07 -0800, by Mike Pavone
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Fix sprite transparency for overlapping spritesSat, 08 Dec 2012 16:58:11 -0800, by Mike Pavone
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Fix management of context->sprite_draws so the sprite layer only draws when it shouldSat, 08 Dec 2012 16:46:47 -0800, by Mike Pavone
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Fix vertical scroll value for plane BSat, 08 Dec 2012 16:16:18 -0800, by Mike Pavone
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Partially fix BG plane BSat, 08 Dec 2012 16:09:43 -0800, by Mike Pavone
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Fix endianness of VSRAM when read from Genecyst save stateSat, 08 Dec 2012 16:02:17 -0800, by Mike Pavone
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Sprites fixed, working on bg planesSat, 08 Dec 2012 11:59:50 -0800, by Mike Pavone
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Sprites somewhat less brokenSat, 08 Dec 2012 11:12:17 -0800, by Mike Pavone
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Mostly broken VDP core and savestate viewerSat, 08 Dec 2012 02:00:54 -0800, by Mike Pavone
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Initial support for M68k reset vector, rather than starting at an arbitrary addressTue, 04 Dec 2012 19:25:54 -0800, by Mike Pavone
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M68K to x86 translation works for a limited subset of instructions and addressing modesTue, 04 Dec 2012 19:13:12 -0800, by Mike Pavone
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Add asssembly runtime code stubTue, 27 Nov 2012 22:54:38 -0800, by Mike Pavone
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Add MakefileTue, 27 Nov 2012 22:50:09 -0800, by Mike Pavone
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Make x86 generator generic with respect to operand size for immediate parameters.Tue, 27 Nov 2012 22:43:32 -0800, by Mike Pavone
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x86 code gen, initial work on translatorTue, 27 Nov 2012 09:28:13 -0800, by Mike Pavone
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Improve disassembly. FIx some decoding bugs.Thu, 15 Nov 2012 22:15:43 -0800, by Mike Pavone
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Add mising bit instructions to decoder. Add test assembly file containing most distinct instructions.Thu, 15 Nov 2012 00:52:53 -0800, by Mike Pavone
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Implement OR_DIV_SBCD group in decoderWed, 14 Nov 2012 23:04:55 -0800, by Mike Pavone
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Added new OPSIZE for unsized instructions so they can be properly disassembled without making them special casesWed, 14 Nov 2012 09:24:40 -0800, by Mike Pavone
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Implement (possibly broken) decoding of all M68000 instructions not in the OR_DIV_SBCD groupTue, 13 Nov 2012 18:26:43 -0800, by Mike Pavone
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Finish bit/movep/immediate group except for 68020 instructionsFri, 09 Nov 2012 22:01:26 -0800, by Mike Pavone
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mergeTue, 06 Nov 2012 02:07:45 -0800, by Mike Pavone
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Add some logic analyzer captures, a Python script for analyzing said captures and a higher level analysis of the outputTue, 06 Nov 2012 01:57:36 -0800, by Mike Pavone
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More bit and immediate instructionsTue, 06 Nov 2012 02:04:42 -0800, by Mike Pavone
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Add support for some bit instructions and a few others in the same "category"Sun, 04 Nov 2012 23:43:03 -0800, by Mike Pavone
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Finish mulu.w, muls.w and abcd parameter decodingSat, 03 Nov 2012 22:15:55 -0700, by Mike Pavone
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Improve 68K instruction decoding. Add simple disassembler.Sat, 03 Nov 2012 21:38:28 -0700, by Mike Pavone
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Make sure all operations are long-word length on fib example.Sat, 03 Nov 2012 21:37:38 -0700, by Mike Pavone
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Initial work on M68K instruction decodingMon, 29 Oct 2012 01:18:38 -0700, by Mike Pavone