merton-nes is a NES emulator packaged using the Merton core interface. The focus is on code clarity and readability, however it is a very accurate emulator that passes most of the tests created by the community. Enjoy!
If you're interested in being part of the journey, join us on Discord.
merton-nes has no dependencies outside of what's shipped with the basic developer toolchains. Run make or nmake (on Windows) to build the core (a single shared object).
According to NRS NES 2.0 DB:
*000 *001 *002 *003 *004 ¹005 006 *007 008 *009 *010 *011 012 *013 014 015
†016 017 ^018 ^019 *020 *021 *022 *023 *024 *025 ^026 027 028 029 *030 *031
032 033 *034 035 036 037 *038 039 040 041 042 043 044 045 046 047
048 049 050 051 052 053 054 055 056 057 058 059 060 061 062 063
064 065 *066 067 068 ²069 *070 *071 072 073 074 075 076 *077 *078 *079
080 081 082 083 084 ^085 086 *087 088 *089 090 091 092 *093 *094 095
096 *097 098 099 100 *101 102 103 104 105 106 *107 108 109 110 *111
112 *113 114 115 116 117 118 119 120 121 122 123 124 125 126 127
128 129 130 131 132 133 134 135 136 137 138 139 *140 141 142 143
144 *145 *146 147 *148 *149 150 151 *152 153 154 155 156 157 158 †159
160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175
176 177 178 179 *180 181 182 183 *184 *185 186 187 188 189 190 191
192 193 194 195 196 197 198 199 200 201 202 203 204 205 *206 207
208 209 *210 211 212 213 214 215 216 217 218 219 220 221 222 223
224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239
240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255
* Full support
^ Missing expansion audio
† Missing EEPROM support
¹ PCM not implemented
² Noise and envelope not implemented