diff --git a/BizHawk.Emulation/CPUs/CP1610/Execute.cs b/BizHawk.Emulation/CPUs/CP1610/Execute.cs
index ef0b4f3fc8..36b2bd197d 100644
--- a/BizHawk.Emulation/CPUs/CP1610/Execute.cs
+++ b/BizHawk.Emulation/CPUs/CP1610/Execute.cs
@@ -726,8 +726,498 @@ namespace BizHawk.Emulation.CPUs.CP1610
 					case 0x23E:
 					case 0x23F:
 						throw new NotImplementedException();
+					// MVO
+					case 0x240:
+					case 0x241:
+					case 0x242:
+					case 0x243:
+					case 0x244:
+					case 0x245:
+					case 0x246:
+					case 0x247:
+						throw new NotImplementedException();
+					// MVO@
+					case 0x248:
+					case 0x249:
+					case 0x24A:
+					case 0x24B:
+					case 0x24C:
+					case 0x24D:
+					case 0x24E:
+					case 0x24F:
+					case 0x250:
+					case 0x251:
+					case 0x252:
+					case 0x253:
+					case 0x254:
+					case 0x255:
+					case 0x256:
+					case 0x257:
+					case 0x258:
+					case 0x259:
+					case 0x25A:
+					case 0x25B:
+					case 0x25C:
+					case 0x25D:
+					case 0x25E:
+					case 0x25F:
+					case 0x260:
+					case 0x261:
+					case 0x262:
+					case 0x263:
+					case 0x264:
+					case 0x265:
+					case 0x266:
+					case 0x267:
+					case 0x268:
+					case 0x269:
+					case 0x26A:
+					case 0x26B:
+					case 0x26C:
+					case 0x26D:
+					case 0x26E:
+					case 0x26F:
+						throw new NotImplementedException();
+					// MVOI
+					case 0x270:
+					case 0x271:
+					case 0x272:
+					case 0x273:
+					case 0x274:
+					case 0x275:
+					case 0x276:
+					case 0x277:
+					case 0x278:
+					case 0x279:
+					case 0x27A:
+					case 0x27B:
+					case 0x27C:
+					case 0x27D:
+					case 0x27E:
+					case 0x27F:
+						throw new NotImplementedException();
+					// MVI
+					case 0x280:
+					case 0x281:
+					case 0x282:
+					case 0x283:
+					case 0x284:
+					case 0x285:
+					case 0x286:
+					case 0x287:
+						throw new NotImplementedException();
+					// MVI@
+					case 0x288:
+					case 0x289:
+					case 0x28A:
+					case 0x28B:
+					case 0x28C:
+					case 0x28D:
+					case 0x28E:
+					case 0x28F:
+					case 0x290:
+					case 0x291:
+					case 0x292:
+					case 0x293:
+					case 0x294:
+					case 0x295:
+					case 0x296:
+					case 0x297:
+					case 0x298:
+					case 0x299:
+					case 0x29A:
+					case 0x29B:
+					case 0x29C:
+					case 0x29D:
+					case 0x29E:
+					case 0x29F:
+					case 0x2A0:
+					case 0x2A1:
+					case 0x2A2:
+					case 0x2A3:
+					case 0x2A4:
+					case 0x2A5:
+					case 0x2A6:
+					case 0x2A7:
+					case 0x2A8:
+					case 0x2A9:
+					case 0x2AA:
+					case 0x2AB:
+					case 0x2AC:
+					case 0x2AD:
+					case 0x2AE:
+					case 0x2AF:
+						throw new NotImplementedException();
+					// MVII
+					case 0x2B0:
+					case 0x2B1:
+					case 0x2B2:
+					case 0x2B3:
+					case 0x2B4:
+					case 0x2B5:
+					case 0x2B6:
+					case 0x2B7:
+					case 0x2B8:
+					case 0x2B9:
+					case 0x2BA:
+					case 0x2BB:
+					case 0x2BC:
+					case 0x2BD:
+					case 0x2BE:
+					case 0x2BF:
+						throw new NotImplementedException();
+					// ADD
+					case 0x2C0:
+					case 0x2C1:
+					case 0x2C2:
+					case 0x2C3:
+					case 0x2C4:
+					case 0x2C5:
+					case 0x2C6:
+					case 0x2C7:
+						throw new NotImplementedException();
+					// ADD@
+					case 0x2C8:
+					case 0x2C9:
+					case 0x2CA:
+					case 0x2CB:
+					case 0x2CC:
+					case 0x2CD:
+					case 0x2CE:
+					case 0x2CF:
+					case 0x2D0:
+					case 0x2D1:
+					case 0x2D2:
+					case 0x2D3:
+					case 0x2D4:
+					case 0x2D5:
+					case 0x2D6:
+					case 0x2D7:
+					case 0x2D8:
+					case 0x2D9:
+					case 0x2DA:
+					case 0x2DB:
+					case 0x2DC:
+					case 0x2DD:
+					case 0x2DE:
+					case 0x2DF:
+					case 0x2E0:
+					case 0x2E1:
+					case 0x2E2:
+					case 0x2E3:
+					case 0x2E4:
+					case 0x2E5:
+					case 0x2E6:
+					case 0x2E7:
+					case 0x2E8:
+					case 0x2E9:
+					case 0x2EA:
+					case 0x2EB:
+					case 0x2EC:
+					case 0x2ED:
+					case 0x2EE:
+					case 0x2EF:
+						throw new NotImplementedException();
+					// ADDI
+					case 0x2F0:
+					case 0x2F1:
+					case 0x2F2:
+					case 0x2F3:
+					case 0x2F4:
+					case 0x2F5:
+					case 0x2F6:
+					case 0x2F7:
+					case 0x2F8:
+					case 0x2F9:
+					case 0x2FA:
+					case 0x2FB:
+					case 0x2FC:
+					case 0x2FD:
+					case 0x2FE:
+					case 0x2FF:
+						throw new NotImplementedException();
+					// SUB
+					case 0x300:
+					case 0x301:
+					case 0x302:
+					case 0x303:
+					case 0x304:
+					case 0x305:
+					case 0x306:
+					case 0x307:
+						throw new NotImplementedException();
+					// SUB@
+					case 0x308:
+					case 0x309:
+					case 0x30A:
+					case 0x30B:
+					case 0x30C:
+					case 0x30D:
+					case 0x30E:
+					case 0x30F:
+					case 0x310:
+					case 0x311:
+					case 0x312:
+					case 0x313:
+					case 0x314:
+					case 0x315:
+					case 0x316:
+					case 0x317:
+					case 0x318:
+					case 0x319:
+					case 0x31A:
+					case 0x31B:
+					case 0x31C:
+					case 0x31D:
+					case 0x31E:
+					case 0x31F:
+					case 0x320:
+					case 0x321:
+					case 0x322:
+					case 0x323:
+					case 0x324:
+					case 0x325:
+					case 0x326:
+					case 0x327:
+					case 0x328:
+					case 0x329:
+					case 0x32A:
+					case 0x32B:
+					case 0x32C:
+					case 0x32D:
+					case 0x32E:
+					case 0x32F:
+						throw new NotImplementedException();
+					// SUBI
+					case 0x330:
+					case 0x331:
+					case 0x332:
+					case 0x333:
+					case 0x334:
+					case 0x335:
+					case 0x336:
+					case 0x337:
+					case 0x338:
+					case 0x339:
+					case 0x33A:
+					case 0x33B:
+					case 0x33C:
+					case 0x33D:
+					case 0x33E:
+					case 0x33F:
+						throw new NotImplementedException();
 					default:
 						throw new NotImplementedException();
+					// CMP
+					case 0x340:
+					case 0x341:
+					case 0x342:
+					case 0x343:
+					case 0x344:
+					case 0x345:
+					case 0x346:
+					case 0x347:
+						throw new NotImplementedException();
+					// CMP@
+					case 0x348:
+					case 0x349:
+					case 0x34A:
+					case 0x34B:
+					case 0x34C:
+					case 0x34D:
+					case 0x34E:
+					case 0x34F:
+					case 0x350:
+					case 0x351:
+					case 0x352:
+					case 0x353:
+					case 0x354:
+					case 0x355:
+					case 0x356:
+					case 0x357:
+					case 0x358:
+					case 0x359:
+					case 0x35A:
+					case 0x35B:
+					case 0x35C:
+					case 0x35D:
+					case 0x35E:
+					case 0x35F:
+					case 0x360:
+					case 0x361:
+					case 0x362:
+					case 0x363:
+					case 0x364:
+					case 0x365:
+					case 0x366:
+					case 0x367:
+					case 0x368:
+					case 0x369:
+					case 0x36A:
+					case 0x36B:
+					case 0x36C:
+					case 0x36D:
+					case 0x36E:
+					case 0x36F:
+						throw new NotImplementedException();
+					// CMPI
+					case 0x370:
+					case 0x371:
+					case 0x372:
+					case 0x373:
+					case 0x374:
+					case 0x375:
+					case 0x376:
+					case 0x377:
+					case 0x378:
+					case 0x379:
+					case 0x37A:
+					case 0x37B:
+					case 0x37C:
+					case 0x37D:
+					case 0x37E:
+					case 0x37F:
+						throw new NotImplementedException();
+					// AND
+					case 0x380:
+					case 0x381:
+					case 0x382:
+					case 0x383:
+					case 0x384:
+					case 0x385:
+					case 0x386:
+					case 0x387:
+						throw new NotImplementedException();
+					// AND@
+					case 0x388:
+					case 0x389:
+					case 0x38A:
+					case 0x38B:
+					case 0x38C:
+					case 0x38D:
+					case 0x38E:
+					case 0x38F:
+					case 0x390:
+					case 0x391:
+					case 0x392:
+					case 0x393:
+					case 0x394:
+					case 0x395:
+					case 0x396:
+					case 0x397:
+					case 0x398:
+					case 0x399:
+					case 0x39A:
+					case 0x39B:
+					case 0x39C:
+					case 0x39D:
+					case 0x39E:
+					case 0x39F:
+					case 0x3A0:
+					case 0x3A1:
+					case 0x3A2:
+					case 0x3A3:
+					case 0x3A4:
+					case 0x3A5:
+					case 0x3A6:
+					case 0x3A7:
+					case 0x3A8:
+					case 0x3A9:
+					case 0x3AA:
+					case 0x3AB:
+					case 0x3AC:
+					case 0x3AD:
+					case 0x3AE:
+					case 0x3AF:
+						throw new NotImplementedException();
+					// ANDI
+					case 0x3B0:
+					case 0x3B1:
+					case 0x3B2:
+					case 0x3B3:
+					case 0x3B4:
+					case 0x3B5:
+					case 0x3B6:
+					case 0x3B7:
+					case 0x3B8:
+					case 0x3B9:
+					case 0x3BA:
+					case 0x3BB:
+					case 0x3BC:
+					case 0x3BD:
+					case 0x3BE:
+					case 0x3BF:
+						throw new NotImplementedException();
+					// XOR
+					case 0x3C0:
+					case 0x3C1:
+					case 0x3C2:
+					case 0x3C3:
+					case 0x3C4:
+					case 0x3C5:
+					case 0x3C6:
+					case 0x3C7:
+						throw new NotImplementedException();
+					// XOR@
+					case 0x3C8:
+					case 0x3C9:
+					case 0x3CA:
+					case 0x3CB:
+					case 0x3CC:
+					case 0x3CD:
+					case 0x3CE:
+					case 0x3CF:
+					case 0x3D0:
+					case 0x3D1:
+					case 0x3D2:
+					case 0x3D3:
+					case 0x3D4:
+					case 0x3D5:
+					case 0x3D6:
+					case 0x3D7:
+					case 0x3D8:
+					case 0x3D9:
+					case 0x3DA:
+					case 0x3DB:
+					case 0x3DC:
+					case 0x3DD:
+					case 0x3DE:
+					case 0x3DF:
+					case 0x3E0:
+					case 0x3E1:
+					case 0x3E2:
+					case 0x3E3:
+					case 0x3E4:
+					case 0x3E5:
+					case 0x3E6:
+					case 0x3E7:
+					case 0x3E8:
+					case 0x3E9:
+					case 0x3EA:
+					case 0x3EB:
+					case 0x3EC:
+					case 0x3ED:
+					case 0x3EE:
+					case 0x3EF:
+						throw new NotImplementedException();
+					// XORI
+					case 0x3F0:
+					case 0x3F1:
+					case 0x3F2:
+					case 0x3F3:
+					case 0x3F4:
+					case 0x3F5:
+					case 0x3F6:
+					case 0x3F7:
+					case 0x3F8:
+					case 0x3F9:
+					case 0x3FA:
+					case 0x3FB:
+					case 0x3FC:
+					case 0x3FD:
+					case 0x3FE:
+					case 0x3FF:
+						throw new NotImplementedException();
 				}
 			}
 		}