doom_py/src/vizdoom/game-music-emu/gme/Nes_Cpu.cpp [942:982]:
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			goto loop;
		}
		
		// TODO: implement
	delayed_cli:
		debug_printf( "Delayed CLI not emulated\n" );
		goto loop;
	}
	
	case 0x78: // SEI
		if ( status & st_i )
			goto loop;
		status |= st_i;
	handle_sei: {
		this->r.status = status; // update externally-visible I flag
		blargg_long delta = s.base - end_time_;
		s.base = end_time_;
		s_time += delta;
		if ( s_time < 0 )
			goto loop;
		
		debug_printf( "Delayed SEI not emulated\n" );
		goto loop;
	}
	
// Unofficial
	
	// SKW - Skip word
	case 0x1C: case 0x3C: case 0x5C: case 0x7C: case 0xDC: case 0xFC:
		HANDLE_PAGE_CROSSING( data + x );
	case 0x0C:
		pc++;
	// SKB - Skip byte
	case 0x74: case 0x04: case 0x14: case 0x34: case 0x44: case 0x54: case 0x64:
	case 0x80: case 0x82: case 0x89: case 0xC2: case 0xD4: case 0xE2: case 0xF4:
		pc++;
		goto loop;
	
	// NOP
	case 0xEA: case 0x1A: case 0x3A: case 0x5A: case 0x7A: case 0xDA: case 0xFA:
		goto loop;
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doom_py/src/vizdoom/game-music-emu/gme/Sap_Cpu.cpp [889:926]:
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			goto loop;
		}
	delayed_cli:
		debug_printf( "Delayed CLI not emulated\n" );
		goto loop;
	}
	
	case 0x78: // SEI
		if ( status & st_i )
			goto loop;
		status |= st_i;
	handle_sei: {
		this->r.status = status; // update externally-visible I flag
		blargg_long delta = s.base - end_time_;
		s.base = end_time_;
		s_time += delta;
		if ( s_time < 0 )
			goto loop;
		debug_printf( "Delayed SEI not emulated\n" );
		goto loop;
	}
	
// Unofficial
	
	// SKW - Skip word
	case 0x1C: case 0x3C: case 0x5C: case 0x7C: case 0xDC: case 0xFC:
		HANDLE_PAGE_CROSSING( data + x );
	case 0x0C:
		pc++;
	// SKB - Skip byte
	case 0x74: case 0x04: case 0x14: case 0x34: case 0x44: case 0x54: case 0x64:
	case 0x80: case 0x82: case 0x89: case 0xC2: case 0xD4: case 0xE2: case 0xF4:
		pc++;
		goto loop;
	
	// NOP
	case 0xEA: case 0x1A: case 0x3A: case 0x5A: case 0x7A: case 0xDA: case 0xFA:
		goto loop;
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