Mercurial > repos > blastem
annotate CHANGELOG @ 1442:59e1dbb795a7
Update README in anticipation of 0.5.1 release
| author | Michael Pavone <pavone@retrodev.com> |
|---|---|
| date | Fri, 25 Aug 2017 20:12:21 -0700 |
| parents | 92fdc2566b5e |
| children | 1cc287ddb699 |
| rev | line source |
|---|---|
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1 0.5.0 |
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2 ----- |
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3 *New Features* |
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4 |
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5 - SMS emulation in the form of the Gensis/MD's backwards compatibility mode |
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6 - Added support for SMS controllers |
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7 - Support for the mapper used by Realtec games |
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8 - Support for carts with fixed value registers |
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9 - Support for enough of the XBAND cartridge hardware to allow the menu to boot |
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10 - Basic XBAND keyboard emulation |
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11 - Configurable display overscan |
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12 - Fullscreen mode can now be toggled at runtime |
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13 - Window can now be resized at runtime |
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14 - Support for "semantic" controller button names in the gamepad mapping using SDL2's game controller API |
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15 - Analog axes can now be mapped to emulated gamepad buttons or UI actions |
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16 - System soft reset |
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17 - Keyboard can now be captured when a Saturn or XBAND keyboard is connected to the emulated system |
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18 - Internal screenshots that bypass all output filtering/overscan |
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19 - Homebrew using the "SSF2 Mapper" is now supported via header detection like on the Mega Everdrive |
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20 - Directory used for SRAM, EEPROM and savestates is now configurable |
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21 - Path configuration values can now contain both BlastEm-specific and environment variable references |
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22 - Open GL based rendering can be disabled in favor of the SDL2 render API fallback |
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23 |
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24 *Bugfixes* |
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25 |
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26 - Fixed a bug that would cause a crash in certain games that have SRAM and ROM at the same address |
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27 - Fixed some issues with Z80 interrupts that caused issues with sound/music in Sonic 2 and Puyo Puyo 2 |
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28 - Z80 debugger no longer crashes when resuming execution |
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29 - Undocumented Z80 instruction "out (c), 0" now decodes properly |
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30 - GDB remote debugging should now work with more recent versions of GDB |
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31 - GDB remote debugging should now work on more recent versions of Windows |
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32 - Overlapping instructions in self-modifying code no longer causes incorrect behavior |
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33 - Z80 instructions "in c" and "out c" now work correclty on 32-bit builds |
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34 - Specifying an output audio frequency higher than the FM frequency no longer deadlocks the emulator |
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35 - Fixed memory map generation for games with 3MB ROM and SRAM at the 3MB mark |
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36 |
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37 *Accuracy/Completeness Improvements* |
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38 - YM2612 SSG-EG and CSM modes are now implemented |
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39 - VDP Mode 4 is now implemented in both Genesis and SMS mode |
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40 - Basic emulation of refresh delays has been added |
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41 - 68K interrupt latency has been made more accurate |
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42 - CRAM contention artifacts (aka CRAM dots) are now emulated |
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43 - DIVU/DIVS and MULU/MULS are now cycle accurate |
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44 - MOVEM now performs the extra ignored read and has correct timing |
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45 - The timing of serveral other 68K instructions has been fixed |
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46 - Implemented 68K trace mode |
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47 - SBCD flag calculation now matches hardware in 100% of cases |
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48 - 68K -> VDP DMA now properly has a delay at DMA start rather than at the end of the transfer |
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49 - A number of illegal effective address mode/operation combinations now properly decode as illegal instructions |
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50 - Added emulation of the slow rise time of an IO pin that was changed to an input when it was previously outputting 0 |
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51 - Partial support for the VDP test register |
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52 - Partial support for the 128KB VRAM mode bit |
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53 - Improved accuracy of low level sprite rendering details |
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54 - Fixed handling of active/passive display transitions so that border extension tricks work |
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55 - Fixed handling of horizontal interrupts in extended display areas |
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56 - More accurate correspondance between horizontal counter and raster beam |
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57 - Partial emulation of serial IO registers |
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58 |
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59 *Other Changes* |
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60 - Added Japanese version of Street Fighter 2: The New Challengers to ROM DB |
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61 - Added the following EEPROM games to ROM DB: |
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62 Ninja Burai Densetsu |
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63 Rockman Mega World |
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64 - Added ROM DB entries for the following games with incorrect region headers: |
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65 Another World (E) |
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66 Alien Soldier (J) |
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67 Light Crusader (J) |
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D&D - Warriors of the Eternal Sun has 6-button pad issues
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68 Castle of Illusion - Fushigi no Oshiro Daibouken (J) |
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69 Atomic Robo-Kid (J) |
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70 - Added ROM DB entries for the following games which are incompatible with 6-button controllers: |
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71 King of Monsters |
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72 Combat Cars |
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73 Second Samurai |
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74 Dungeons & Dragons - Warriors of the Eternal Sun |
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75 - Added ROM DB entries for the following games with fixed value registers: |
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76 Ya Se Chuan Sho |
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77 16 Zhang Ma Jiang |
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78 Elf Wor |
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79 Huan Le Tao Qi Shu: Smart Mouse |
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80 Mighty Morphin' Power Rangers: The Fighting Edition |
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81 Super Bubble Bobble MD |
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82 Thunderbolt II |
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83 - Added ROM DB entries for the following games that have bad/missing SRAM headers: |
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84 Hardball III |
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85 Might and Magic - Gates to Another World |
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86 Might and Magic III - Isles of Terra |
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87 |
| 1065 | 88 0.4.1 |
| 89 ----- | |
| 90 *New Features* | |
| 91 | |
| 92 - Basic support for the Saturn Keyboard adapter peripheral | |
| 93 - You can now navigate up to a drive selection on Windows | |
| 94 - Added support for binding more "special" keys | |
| 95 | |
| 96 *Bugfixes* | |
| 97 | |
| 98 - It's now possible to navigate to the root directory on Unix-like systems | |
| 99 - Fixed a bug in movep.l | |
| 100 - Fixed a crash bug in the memory management code | |
| 101 - Fixed a bug in the header parsing code, that caused a crash when the "International Name" field was empty | |
| 102 - Fixed some minor graphical corruption in Sonic 2 split-screen caused by a bug in vflip combined with interlace mode | |
| 103 - Corrected the PC value pushed onto the stack for line A emulator and line F emulator traps | |
| 104 - Fixed a bug in ensure_dir_exists that would cause it to fail to create directories in some cases when mixed path separators were used | |
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105 - Fixed a bug that would result in a buffer overflow when starting a game with a long title from the menu |
| 1065 | 106 |
| 107 *Accuracy/Completeness Improvements* | |
| 108 | |
| 109 - All Z80 instructions are now implemented | |
| 110 - Z80 Half-carry flag is now fully implemented | |
| 111 - Implemented undocumented Z80 flag bits | |
| 112 - R register is now incremented appropriately | |
| 113 - Redundant opcode prefixes are now handled properly | |
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114 - Z80 core now passes ZEXALL! |
| 1065 | 115 |
| 116 *Other Changes* | |
| 117 | |
| 118 - Added Buck Rogers to the ROM DB | |
| 119 - Added Wonder Boy in Monster World to the ROM DB (for real this time) | |
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120 - Added Evander 'Real Deal' Holyfield's Boxing to the ROM DB |
| 1065 | 121 - Slightly better handling of directory read errors |
| 122 - Added "Special Thanks" to About menu | |
| 123 - Use local app data folder for saves and config files on Windows rather than Unix-style locations | |
| 124 | |
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125 0.4.0 |
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126 ----- |
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127 *New Features* |
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128 |
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129 |
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130 - Genesis ROM based Graphical User Interface - command line is no longer required for basic functionality |
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131 - Added support for the Mega/Sega Mouse |
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132 - Configurable low pass filter |
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133 - 68000 overclock and underclock |
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134 - Scanlines can now be controlled via the config file and defaults to off (previously was always on) |
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135 - VSync can now be specified via the config file and defaults to off (previously just used the OS/driver default) |
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136 - Fullscreen mode can now be specified via the config file in addition to the command line flag |
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137 - New 68K debugger command 'co' allows a list of commands to be run each time a breakpoint is hit |
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138 - 68K debugger now supports the 'di' command like the Z80 debugger |
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139 - New debugger command 'yt' displays YM-2612 timer info |
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140 - Added support for controller hotplug (game controllers don't need to be plugged in before starting BlastEm) |
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141 - IO devices can now be automatically configured by ROM DB entries |
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142 |
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143 *Bugfixes* |
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144 |
|
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145 - Fixed calculation of window start column - removes graphical glitches in Afterburner 2, Fireshark, Dungeons and Dragons: Warriors of the Eternal Sun and probably others |
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146 - Fixed the implementation of LDD and LDDR |
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147 - Fixed ABCD/SBCD - eliminates the score counter problem in Bubsy |
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148 - Fixed btst when used with immediate destination - Fixes a crash in NHL 95 |
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149 - Fixed YM-2612 attack phase and sustain level |
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150 - Fixed mapping of YM-2612 key on/off bits to operators |
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151 - Fixed YM-2612 LFO AMS shift values |
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152 - Fixed YM-2612 LFO phase modulation |
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153 - Fixed mapping of registers to operators in Channel 3 special mode (for real this time) |
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154 - Fixed a small bug in YM-2612 timer reloads |
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155 - Fixed peripheral ID for 3-button pad |
|
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156 - Accesses by the 68K to the low 4MB of the address space, but outside of the defined ROM will no longer cause a crash |
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157 - Config files and shaders saved with Windows-style line endings will no longer fail to load |
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158 - Fixed a crash bug on Windows by properly detecting invalid destination modes for immediate variant opcodes |
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159 |
|
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160 *Accuracy/Completeness Improvements* |
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161 |
|
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162 - All 68000 instructions are now implemented |
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163 - Implemented 68000 privilege, address error and illegal instruction exceptions |
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164 - Z80 half carry flag is now implemented for the trivial cases |
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165 - Fixed timing of the Z80 IM and certain LD variants |
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166 - Implemented interrupt latency - Fixes Sesame Street: Counting Cafe |
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167 - Interrupts are know acknowleged based on what the VDP thinks its asserting rather than what the 68K actually is acking - Fixes Fatal Rewind |
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168 - Improved timing of 68000 interrupt processing |
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169 - Improved timing of Z80 busack response - Fixes a crash in Barkley: Shut Up and Jam |
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170 - Adjusted the amount of time the 68000 is blocked during DMA - gets rid of remaining part of "YOUR EMULATOR SUX" text in overdrive |
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171 - Corrected order individual words of a longword are written when the predecrement addressing mode is used as the destination of a move instruction |
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172 - Adjusted relationship between Horizontal counter and render events to better match tests/measurements |
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173 - Adjusted vertical interrupt timing to better match measurements |
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174 - Improved timing of 68K/Z80 interactions based on tests |
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175 |
|
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176 *Other Changes* |
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177 |
|
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178 - Z80 disassembler now supports a start offset parameter: -s |
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179 - Windows build now uses link time optimization like the others |
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180 - Optimized the VDP code |
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181 - Improved audio resampling |
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182 - Added Mega Man - The Wily Wars to ROM database |
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183 - Added Wonder Boy in Monster World to ROM database |
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184 |
|
808
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185 0.3.1 |
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186 ----- |
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187 *New Features* |
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188 |
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189 - BlastEm will now open a new terminal window when starting the debugger if it's not attached to one |
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190 - Errors are displayed in a message box if no terminal is attached |
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191 - Pure SDL render path for when OpenGL 2 is unavailable (thanks Higor EurÃpedes) |
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192 |
|
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193 *Bugfixes* |
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194 |
|
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195 - GDB remote debugging works again |
|
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196 - Fixed a name conflict that prevented vgmplay from being built on OS X |
|
810
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197 |
|
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198 *Other Changes* |
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199 |
|
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200 - Windows build now includes the disassemblers, VGM player and save state viewer |
|
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201 |
|
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202 0.3.0 |
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203 ----- |
|
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204 *New Features* |
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205 |
|
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206 - 32-bit x86 CPUs are now supported |
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207 - BlastEm is now available for OS X and Windows |
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208 - Finished support for the Sega mapper used by Super Street Fighter 2 |
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209 - Added support for EEPROM saves |
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210 - Added support for large flat-mapped ROMs (used by some homebrew ROMS) |
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211 - New 68K debugger command bt (backtrace) |
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212 - I/O devices (gamepads and other peripherals) can now be configured in blastem.cfg |
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213 - VDP Debugger views from before 0.1.0 have been restored |
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214 |
|
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215 *Bugfixes* |
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216 |
|
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217 - Partial emulation of floating bus bits for certain I/O regs (fixes Super Offroad 2) |
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218 - Fixed shadow/highlight mode |
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219 - Implemented AM and fixed LFO update speed |
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220 - Fixed negative detune values |
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221 - Corrected register to operator mapping for channel 3 special mode |
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222 - Initial stab at emulating cycles being stolen from the 68K when the Z80 accesses its bus |
|
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223 - Better handling of creating a savestate in "uncooperative" games/demos |
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224 - Implemented VSCROLL latching |
|
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225 - Fixed a bug that would corrupt the Z80's SP register in some situations |
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226 - Fixed PAL flag in VDP status register |
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227 - Fixed HV counter |
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228 - Fixed flag calculation for RRA, RRCA, RLA and RLCA |
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229 - Fixed instruction timing for RR, RRC, RL and RLC when using the IX or IY registers |
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230 - Fixed access to the I and R registers |
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231 |
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232 *Other Changes* |
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233 |
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234 - Upgraded to SDL2 |
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235 - Dropped suport for the non-OpenGL render path |
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236 - Linux builds should now work on something other than the specific version of Ubuntu I happen to be using at build time |
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237 - BlastEm now syncs at least once per line by default. You can change this behavior with the max_clocks config value |
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238 |
| 537 | 239 0.2.0 |
| 240 ----- | |
| 241 *New Features* | |
| 242 | |
| 243 - Added Turbo and Slow modes that overclock and underclock the system respectively | |
| 244 - Added FPS counter | |
|
1070
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245 - New OpenGL render backend that allows filters to be written in GLSL |
| 537 | 246 - Support 'UI' bindings on gamepad buttons and dpads |
| 247 - GDB remote debugging support | |
| 248 - New debugger 68K debugger commands o, s and zp (see README for details) | |
| 249 | |
| 250 *Bugfixes* | |
| 251 | |
| 252 - Fixed argument handling so that the ROM filename does not need to be specified first | |
| 253 - Don't allow register writes to Mode 5 only regs when in Mode 4 | |
| 254 - Fixed a bunch of VDP edge case behavior checked by Nemesis's test ROM | |
| 255 - Fixed operator 1 self-feedback | |
| 256 - Fixed handling of envelope overflow in attack phase | |
| 257 - Fixed handling of channel output overflow | |
| 258 - Adjusted FM and PSG volume to better match real hardware | |
| 259 - Improved YM-2612 busy flag emulation | |
| 260 - Properly sync hardware at end of frame when the 68K is blocked by DMA | |
| 261 - Approximate wait state behavior when the Z80 accesses the 68K's bus | |
| 262 - Implemented HV counter latch | |
| 263 - Implemented sprite overflow and collision flags | |
| 264 | |
| 265 0.1.0 | |
| 266 ----- | |
| 267 Initial Release |