Board:
- fixed initial bankswitching for UxROM;
- added mapper 18 (Jaleco SS88006);
- added mapper 22 (VRC2a);
- added mapper 23 (VRC2b);
- added mapper 65 (Irem H3001);
- added mapper 73 (VRC3);
- added mapper 75 (VRC1);
- added mapper 80 (Taito X1-005);
- added mapper 94 (HVC-UN1ROM);
- added mapper 97 (Irem TAM-S1);
- added mapper 140 (Jaleco JF-11 / Jaleco JF-14);
- added mapper 228 (Action 52 / Cheetahmen II).