Mercurial > repos > blastem
annotate CHANGELOG @ 2274:bf1bb893f104
Properly ignore low bits of SP start address in disassembler
| author | Michael Pavone <pavone@retrodev.com> |
|---|---|
| date | Thu, 29 Dec 2022 22:44:35 -0800 |
| parents | 8aeac7bd9fa7 |
| children |
| rev | line source |
|---|---|
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1812
8aeac7bd9fa7
Update version number, special thanks, CHANGELOG and README in preparation for possible 0.6.2 release
Michael Pavone <pavone@retrodev.com>
parents:
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1 0.6.2 |
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8aeac7bd9fa7
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parents:
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2 ----- |
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8aeac7bd9fa7
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parents:
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3 *New Features* |
|
8aeac7bd9fa7
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parents:
1675
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4 |
|
8aeac7bd9fa7
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parents:
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5 - Zipped and gzipped SMD ROMs are now supported |
|
8aeac7bd9fa7
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parents:
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6 - Gain control for overall volume and FM/PSG invidually |
|
8aeac7bd9fa7
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parents:
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7 |
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8aeac7bd9fa7
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Michael Pavone <pavone@retrodev.com>
parents:
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|
8 *Accuracy/Completeness Improvements* |
|
8aeac7bd9fa7
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Michael Pavone <pavone@retrodev.com>
parents:
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9 |
|
8aeac7bd9fa7
Update version number, special thanks, CHANGELOG and README in preparation for possible 0.6.2 release
Michael Pavone <pavone@retrodev.com>
parents:
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10 - Fixed timing of a few instructions in Z80 core |
|
8aeac7bd9fa7
Update version number, special thanks, CHANGELOG and README in preparation for possible 0.6.2 release
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parents:
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11 - Added optional emulation of YM2612 imperfections (aka "ladder effect") |
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8aeac7bd9fa7
Update version number, special thanks, CHANGELOG and README in preparation for possible 0.6.2 release
Michael Pavone <pavone@retrodev.com>
parents:
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12 - Fixed some unintentional extra precision in some FM LFO calculations |
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8aeac7bd9fa7
Update version number, special thanks, CHANGELOG and README in preparation for possible 0.6.2 release
Michael Pavone <pavone@retrodev.com>
parents:
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13 - Added a 1 sample delay in some FM operator results when used as modulators to match hardware |
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8aeac7bd9fa7
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Michael Pavone <pavone@retrodev.com>
parents:
1675
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14 |
|
8aeac7bd9fa7
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parents:
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15 *Bugfixes* |
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8aeac7bd9fa7
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parents:
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16 |
|
8aeac7bd9fa7
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parents:
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17 - Fixed regression in NBA JAM TE and possibly other 32MBit Acclaim mapper titles |
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8aeac7bd9fa7
Update version number, special thanks, CHANGELOG and README in preparation for possible 0.6.2 release
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parents:
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18 - Added code to handle controllers that have their d-pads mapped as buttons or axes |
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8aeac7bd9fa7
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Michael Pavone <pavone@retrodev.com>
parents:
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19 - Removed some problematic SDL2 game controller mappings |
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8aeac7bd9fa7
Update version number, special thanks, CHANGELOG and README in preparation for possible 0.6.2 release
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parents:
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20 - Fixed crash that occurred when releasing mouse too clickly when loading a ROM |
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8aeac7bd9fa7
Update version number, special thanks, CHANGELOG and README in preparation for possible 0.6.2 release
Michael Pavone <pavone@retrodev.com>
parents:
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21 - Fixed SMD ROM support |
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8aeac7bd9fa7
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parents:
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22 - Fixed handling of audio contexts with more or less than 2 channels |
|
8aeac7bd9fa7
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parents:
1675
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23 - Fixed off-by-one error in IO device selection UI |
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8aeac7bd9fa7
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24 - Fixed regression in GDB remote debugging support on Linux and OS X |
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8aeac7bd9fa7
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25 |
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8aeac7bd9fa7
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parents:
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26 *Other Changes* |
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8aeac7bd9fa7
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27 |
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8aeac7bd9fa7
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28 - MegaWiFi hardware can now be enabled by a header string (still gated by config) |
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8aeac7bd9fa7
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29 - Tweaked the style of checkboxes in the Nuklear UI to hopefully make the on/off state more clear |
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8aeac7bd9fa7
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30 |
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1675
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31 0.6.1 |
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32 ----- |
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33 *Bugfixes* |
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34 |
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35 - Fixed build script so controller images are actually included so UI doesn't crash |
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357b4951d9b2
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36 - Disabled most bindings when UI active (fixes crashes/wonkiness when pressing certain keys) |
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357b4951d9b2
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37 - Fixed Windows implementation of get_config_dir() so config file ends up in %localappdata%\blastem like it should |
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357b4951d9b2
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38 - Fixed the location of sticky_path on all platforms |
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357b4951d9b2
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39 - Added virtual root directory used by ROM UI to new Nuklear UI |
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40 |
| 1667 | 41 0.6.0 |
| 42 ----- | |
| 43 *New Features* | |
| 44 | |
| 45 - New Nuklear UI with almost complete access to configuration options | |
| 46 - Added support for creating SDL2 mappings from inside the emulator | |
| 47 - Loading ROMs from ZIP archives is now supported | |
| 48 - Loading gzip compressed ROMs is now supported | |
| 49 - Internal screenshots can now be in PNG format | |
| 50 - New VDP plane debug view | |
| 51 - VDP debug views are now in separate windows | |
| 52 - Experimental support for sync to video (not enabled by default) | |
| 53 - Preliminary support for MegaWifi cart emulation | |
| 54 | |
| 55 *Bugfixes* | |
| 56 | |
| 57 - Fixed a number of 68K decoder bugs (mostly illegal instruction decoding) | |
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1675
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58 - Fixed implementation of the UNLK instruction when register is a7 |
| 1667 | 59 - Fixed a number of memory leaks |
| 60 | |
| 61 *Accuracy/Completeness Improvements* | |
| 62 | |
| 63 - Added support for J-Cart emulation | |
| 64 - Implemented Z80 interrupt mode 2 | |
| 65 - Fixed the timing of a number of 68K instructions | |
| 66 - Fixed the timing of the Z80 JP cc, nn instruction | |
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1675
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67 - Fixed the order bytes of a word are written to VRAM from the FIFO (fixes minor corruption in Road Rash 3 bike menu) |
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68 |
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69 *Other Changes* |
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70 - Added support for Open GL ES in addition to the existing desktop GL support |
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71 - Some small optimizations |
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72 - Added ROM DB entry for Squirrel King to support it's copy protection |
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1812
8aeac7bd9fa7
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73 - Added support for float32 audio output (fixes an issue with default SDL2 driver in Windows when using more recent SDL2 versions) |
| 1667 | 74 |
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75 0.5.1 |
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76 ----- |
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77 *New Features* |
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78 |
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79 - Drag and Drop is now supported for loading ROMs |
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80 - Save states are now supported for SMS games |
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81 - Texture scaling method (linear or nearest neighbor) can now be selected in both renderers |
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82 - Menu now filters files based on a configurable extension list |
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83 - Lock on carts (Sonic & Knuckles and XBAND) can now be loaded via the menu |
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84 - ROMs can be reloaded via a hotkey (defaults to F5) |
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85 - Last path visited in the menu is now saved between runs (can be turned off via config) |
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86 - Window height can now be specified in the config file |
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87 |
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88 *Bugfixes* |
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89 |
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90 - Default shader doesn't look like garbage in interlaced mode anymore |
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91 - Framebuffer pointers are properly released and reacquired on context switch (no more LOCKRECT errors) |
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92 - ROMs specifying SRAM at the normal RAM address no longer cause a crash |
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93 - Fixed an edge case in the s(tep) debugger command |
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94 - Entering the option menu in Dragon's Fury no longer results in a fatal error in 32-bit builds |
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95 - Screen is properly cleared so garbage will not appear when the window does not match the emulated display size |
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96 - Fixed a regression in XBAND keyboard support |
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97 |
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98 *Accuracy/Completeness Improvements* |
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99 |
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100 - Locking on Sonic 3 to S&K will now use Sonic 3's save RAM |
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101 - Locking on a 4MB cart to S&K will now behave like on hardware |
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102 - Support for several X-in-1 bootleg carts has been added |
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103 - DMA from byte-wide SRAM now yields correct results |
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104 - VScroll is now latched earlier in the line (fixes minor glithces in Top Gear 2 and Skitchin) |
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105 - Sega/SSF2 mapper support now handles homebrew that uses SRAM |
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106 - ODD flag timing now matches hardware |
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107 - V counter as read from HV port is now correct in single-resolution interlace mode |
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108 |
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109 *Other Changes* |
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110 |
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111 - Added a "subtle" CRT shader contributed by Anaël Seghezzi |
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112 - Mouse is now only captured if an emulated mouse is plugged in to the emulated system |
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113 - Missing mapping warnings will only be displayed for the first mapping of a controller |
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114 - Save states now default to a format native to BlastEm |
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115 - Remaining I2C EEPROM games have been added to the ROM DB |
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116 - When not specified, height now respects the aspect setting rather than assuming 4:3 |
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117 - Pre-combined S&K ROMs and large (>2MB) S&K hacks should now work |
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118 - Using ui.exit (default Escape) can now be used to cleanly cancel a load ROM or savestate action |
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119 - Save states are now allowed in a more extensive range of Z80 states, fixing save state saving in some games |
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120 |
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121 0.5.0 |
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122 ----- |
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123 *New Features* |
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124 |
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125 - SMS emulation in the form of the Gensis/MD's backwards compatibility mode |
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126 - Added support for SMS controllers |
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127 - Support for the mapper used by Realtec games |
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128 - Support for carts with fixed value registers |
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129 - Support for enough of the XBAND cartridge hardware to allow the menu to boot |
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130 - Basic XBAND keyboard emulation |
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131 - Configurable display overscan |
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132 - Fullscreen mode can now be toggled at runtime |
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133 - Window can now be resized at runtime |
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134 - Support for "semantic" controller button names in the gamepad mapping using SDL2's game controller API |
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135 - Analog axes can now be mapped to emulated gamepad buttons or UI actions |
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136 - System soft reset |
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137 - Keyboard can now be captured when a Saturn or XBAND keyboard is connected to the emulated system |
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138 - Internal screenshots that bypass all output filtering/overscan |
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139 - Homebrew using the "SSF2 Mapper" is now supported via header detection like on the Mega Everdrive |
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140 - Directory used for SRAM, EEPROM and savestates is now configurable |
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141 - Path configuration values can now contain both BlastEm-specific and environment variable references |
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142 - Open GL based rendering can be disabled in favor of the SDL2 render API fallback |
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143 |
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144 *Bugfixes* |
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145 |
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146 - Fixed a bug that would cause a crash in certain games that have SRAM and ROM at the same address |
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147 - Fixed some issues with Z80 interrupts that caused issues with sound/music in Sonic 2 and Puyo Puyo 2 |
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148 - Z80 debugger no longer crashes when resuming execution |
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149 - Undocumented Z80 instruction "out (c), 0" now decodes properly |
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150 - GDB remote debugging should now work with more recent versions of GDB |
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151 - GDB remote debugging should now work on more recent versions of Windows |
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152 - Overlapping instructions in self-modifying code no longer causes incorrect behavior |
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153 - Z80 instructions "in c" and "out c" now work correclty on 32-bit builds |
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154 - Specifying an output audio frequency higher than the FM frequency no longer deadlocks the emulator |
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155 - Fixed memory map generation for games with 3MB ROM and SRAM at the 3MB mark |
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156 |
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157 *Accuracy/Completeness Improvements* |
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158 |
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159 - YM2612 SSG-EG and CSM modes are now implemented |
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160 - VDP Mode 4 is now implemented in both Genesis and SMS mode |
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161 - Basic emulation of refresh delays has been added |
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162 - 68K interrupt latency has been made more accurate |
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163 - CRAM contention artifacts (aka CRAM dots) are now emulated |
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164 - DIVU/DIVS and MULU/MULS are now cycle accurate |
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165 - MOVEM now performs the extra ignored read and has correct timing |
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166 - The timing of serveral other 68K instructions has been fixed |
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167 - Implemented 68K trace mode |
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168 - SBCD flag calculation now matches hardware in 100% of cases |
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169 - 68K -> VDP DMA now properly has a delay at DMA start rather than at the end of the transfer |
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170 - A number of illegal effective address mode/operation combinations now properly decode as illegal instructions |
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171 - 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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172 - Partial support for the VDP test register |
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173 - Partial support for the 128KB VRAM mode bit |
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174 - Improved accuracy of low level sprite rendering details |
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175 - Fixed handling of active/passive display transitions so that border extension tricks work |
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176 - Fixed handling of horizontal interrupts in extended display areas |
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177 - More accurate correspondance between horizontal counter and raster beam |
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178 - Partial emulation of serial IO registers |
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179 |
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180 *Other Changes* |
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181 |
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182 - Added Japanese version of Street Fighter 2: The New Challengers to ROM DB |
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183 - Added the following EEPROM games to ROM DB: |
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184 Ninja Burai Densetsu |
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185 Rockman Mega World |
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186 - Added ROM DB entries for the following games with incorrect region headers: |
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187 Another World (E) |
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188 Alien Soldier (J) |
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189 Light Crusader (J) |
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190 Castle of Illusion - Fushigi no Oshiro Daibouken (J) |
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191 Atomic Robo-Kid (J) |
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192 - Added ROM DB entries for the following games which are incompatible with 6-button controllers: |
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193 King of Monsters |
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194 Combat Cars |
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195 Second Samurai |
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196 Dungeons & Dragons - Warriors of the Eternal Sun |
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197 - Added ROM DB entries for the following games with fixed value registers: |
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198 Ya Se Chuan Sho |
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199 16 Zhang Ma Jiang |
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200 Elf Wor |
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201 Huan Le Tao Qi Shu: Smart Mouse |
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202 Mighty Morphin' Power Rangers: The Fighting Edition |
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203 Super Bubble Bobble MD |
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204 Thunderbolt II |
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205 - Added ROM DB entries for the following games that have bad/missing SRAM headers: |
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206 Hardball III |
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207 Might and Magic - Gates to Another World |
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208 Might and Magic III - Isles of Terra |
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209 |
| 1065 | 210 0.4.1 |
| 211 ----- | |
| 212 *New Features* | |
| 213 | |
| 214 - Basic support for the Saturn Keyboard adapter peripheral | |
| 215 - You can now navigate up to a drive selection on Windows | |
| 216 - Added support for binding more "special" keys | |
| 217 | |
| 218 *Bugfixes* | |
| 219 | |
| 220 - It's now possible to navigate to the root directory on Unix-like systems | |
| 221 - Fixed a bug in movep.l | |
| 222 - Fixed a crash bug in the memory management code | |
| 223 - Fixed a bug in the header parsing code, that caused a crash when the "International Name" field was empty | |
| 224 - Fixed some minor graphical corruption in Sonic 2 split-screen caused by a bug in vflip combined with interlace mode | |
| 225 - Corrected the PC value pushed onto the stack for line A emulator and line F emulator traps | |
| 226 - 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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227 - Fixed a bug that would result in a buffer overflow when starting a game with a long title from the menu |
| 1065 | 228 |
| 229 *Accuracy/Completeness Improvements* | |
| 230 | |
| 231 - All Z80 instructions are now implemented | |
| 232 - Z80 Half-carry flag is now fully implemented | |
| 233 - Implemented undocumented Z80 flag bits | |
| 234 - R register is now incremented appropriately | |
| 235 - Redundant opcode prefixes are now handled properly | |
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236 - Z80 core now passes ZEXALL! |
| 1065 | 237 |
| 238 *Other Changes* | |
| 239 | |
| 240 - Added Buck Rogers to the ROM DB | |
| 241 - Added Wonder Boy in Monster World to the ROM DB (for real this time) | |
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242 - Added Evander 'Real Deal' Holyfield's Boxing to the ROM DB |
| 1065 | 243 - Slightly better handling of directory read errors |
| 244 - Added "Special Thanks" to About menu | |
| 245 - Use local app data folder for saves and config files on Windows rather than Unix-style locations | |
| 246 | |
|
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247 0.4.0 |
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248 ----- |
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249 *New Features* |
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250 |
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251 |
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252 - Genesis ROM based Graphical User Interface - command line is no longer required for basic functionality |
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253 - Added support for the Mega/Sega Mouse |
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254 - Configurable low pass filter |
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255 - 68000 overclock and underclock |
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256 - Scanlines can now be controlled via the config file and defaults to off (previously was always on) |
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257 - VSync can now be specified via the config file and defaults to off (previously just used the OS/driver default) |
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258 - Fullscreen mode can now be specified via the config file in addition to the command line flag |
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259 - New 68K debugger command 'co' allows a list of commands to be run each time a breakpoint is hit |
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260 - 68K debugger now supports the 'di' command like the Z80 debugger |
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261 - New debugger command 'yt' displays YM-2612 timer info |
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262 - Added support for controller hotplug (game controllers don't need to be plugged in before starting BlastEm) |
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263 - IO devices can now be automatically configured by ROM DB entries |
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264 |
|
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265 *Bugfixes* |
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266 |
|
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267 - 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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268 - Fixed the implementation of LDD and LDDR |
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269 - Fixed ABCD/SBCD - eliminates the score counter problem in Bubsy |
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270 - Fixed btst when used with immediate destination - Fixes a crash in NHL 95 |
|
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271 - Fixed YM-2612 attack phase and sustain level |
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272 - Fixed mapping of YM-2612 key on/off bits to operators |
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273 - Fixed YM-2612 LFO AMS shift values |
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274 - Fixed YM-2612 LFO phase modulation |
|
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275 - Fixed mapping of registers to operators in Channel 3 special mode (for real this time) |
|
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276 - Fixed a small bug in YM-2612 timer reloads |
|
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277 - Fixed peripheral ID for 3-button pad |
|
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278 - 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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279 - Config files and shaders saved with Windows-style line endings will no longer fail to load |
|
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280 - Fixed a crash bug on Windows by properly detecting invalid destination modes for immediate variant opcodes |
|
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281 |
|
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282 *Accuracy/Completeness Improvements* |
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283 |
|
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284 - All 68000 instructions are now implemented |
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285 - Implemented 68000 privilege, address error and illegal instruction exceptions |
|
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286 - Z80 half carry flag is now implemented for the trivial cases |
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287 - Fixed timing of the Z80 IM and certain LD variants |
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288 - Implemented interrupt latency - Fixes Sesame Street: Counting Cafe |
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289 - 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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290 - Improved timing of 68000 interrupt processing |
|
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291 - Improved timing of Z80 busack response - Fixes a crash in Barkley: Shut Up and Jam |
|
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292 - 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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293 - 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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294 - Adjusted relationship between Horizontal counter and render events to better match tests/measurements |
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295 - Adjusted vertical interrupt timing to better match measurements |
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296 - Improved timing of 68K/Z80 interactions based on tests |
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|
297 |
|
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298 *Other Changes* |
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299 |
|
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300 - Z80 disassembler now supports a start offset parameter: -s |
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301 - Windows build now uses link time optimization like the others |
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|
302 - Optimized the VDP code |
|
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303 - Improved audio resampling |
|
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304 - Added Mega Man - The Wily Wars to ROM database |
|
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|
305 - Added Wonder Boy in Monster World to ROM database |
|
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306 |
|
808
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307 0.3.1 |
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308 ----- |
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309 *New Features* |
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|
310 |
|
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311 - BlastEm will now open a new terminal window when starting the debugger if it's not attached to one |
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312 - Errors are displayed in a message box if no terminal is attached |
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313 - Pure SDL render path for when OpenGL 2 is unavailable (thanks Higor EurÃpedes) |
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|
314 |
|
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|
315 *Bugfixes* |
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|
316 |
|
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317 - GDB remote debugging works again |
|
813
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810
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|
318 - Fixed a name conflict that prevented vgmplay from being built on OS X |
|
810
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|
319 |
|
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|
320 *Other Changes* |
|
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|
321 |
|
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322 - Windows build now includes the disassemblers, VGM player and save state viewer |
|
808
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323 |
|
807
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324 0.3.0 |
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325 ----- |
|
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326 *New Features* |
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|
327 |
|
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|
328 - 32-bit x86 CPUs are now supported |
|
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329 - BlastEm is now available for OS X and Windows |
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330 - Finished support for the Sega mapper used by Super Street Fighter 2 |
|
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331 - Added support for EEPROM saves |
|
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332 - Added support for large flat-mapped ROMs (used by some homebrew ROMS) |
|
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|
333 - New 68K debugger command bt (backtrace) |
|
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|
334 - I/O devices (gamepads and other peripherals) can now be configured in blastem.cfg |
|
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|
335 - VDP Debugger views from before 0.1.0 have been restored |
|
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|
336 |
|
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|
337 *Bugfixes* |
|
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|
338 |
|
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|
339 - Partial emulation of floating bus bits for certain I/O regs (fixes Super Offroad 2) |
|
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|
340 - Fixed shadow/highlight mode |
|
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|
341 - Implemented AM and fixed LFO update speed |
|
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|
342 - Fixed negative detune values |
|
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|
343 - Corrected register to operator mapping for channel 3 special mode |
|
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|
344 - Initial stab at emulating cycles being stolen from the 68K when the Z80 accesses its bus |
|
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|
345 - Better handling of creating a savestate in "uncooperative" games/demos |
|
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|
346 - Implemented VSCROLL latching |
|
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|
347 - Fixed a bug that would corrupt the Z80's SP register in some situations |
|
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|
348 - Fixed PAL flag in VDP status register |
|
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|
349 - Fixed HV counter |
|
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|
350 - Fixed flag calculation for RRA, RRCA, RLA and RLCA |
|
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|
351 - Fixed instruction timing for RR, RRC, RL and RLC when using the IX or IY registers |
|
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|
352 - Fixed access to the I and R registers |
|
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|
353 |
|
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|
354 *Other Changes* |
|
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|
355 |
|
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|
356 - Upgraded to SDL2 |
|
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|
357 - Dropped suport for the non-OpenGL render path |
|
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|
358 - 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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|
359 - 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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|
360 |
| 537 | 361 0.2.0 |
| 362 ----- | |
| 363 *New Features* | |
| 364 | |
| 365 - Added Turbo and Slow modes that overclock and underclock the system respectively | |
| 366 - Added FPS counter | |
|
1070
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|
367 - New OpenGL render backend that allows filters to be written in GLSL |
| 537 | 368 - Support 'UI' bindings on gamepad buttons and dpads |
| 369 - GDB remote debugging support | |
| 370 - New debugger 68K debugger commands o, s and zp (see README for details) | |
| 371 | |
| 372 *Bugfixes* | |
| 373 | |
| 374 - Fixed argument handling so that the ROM filename does not need to be specified first | |
| 375 - Don't allow register writes to Mode 5 only regs when in Mode 4 | |
| 376 - Fixed a bunch of VDP edge case behavior checked by Nemesis's test ROM | |
| 377 - Fixed operator 1 self-feedback | |
| 378 - Fixed handling of envelope overflow in attack phase | |
| 379 - Fixed handling of channel output overflow | |
| 380 - Adjusted FM and PSG volume to better match real hardware | |
| 381 - Improved YM-2612 busy flag emulation | |
| 382 - Properly sync hardware at end of frame when the 68K is blocked by DMA | |
| 383 - Approximate wait state behavior when the Z80 accesses the 68K's bus | |
| 384 - Implemented HV counter latch | |
| 385 - Implemented sprite overflow and collision flags | |
| 386 | |
| 387 0.1.0 | |
| 388 ----- | |
| 389 Initial Release |