Supports:
- RL78-S1: RL78/G10, RL78/G1M, RL78/G1N
- RL78-S2: RL78/G12, RL78/G13, RL78/G13A, RL78/G1A, RL78/G1C, RL78/G1D, RL78/G1E, RL78/G1P, RL78/I1A, RL78/L12, RL78/L13, RL78/D1A, RL78/F12
- RL78-S3 core: RL78/G23, RL78/G11, RL78/G14, RL78/G1F, RL78/G1G, RL78/G1H, RL78/H1D, RL78/I1B, RL78/I1C, RL78/I1D, RL78/I1E, RL78/L1A, RL78/L1C, RL78/F23, RL78/F24, RL78/F13, RL78/F14, RL78/F15
Copy RL78 to <ghidra_dir>/Ghidra/Processors
Or install via GVM with gvm extensions install rl78