| fpga_top.v | FPGA top |
| soc_top.v | SoC top 8-bit memory bus |
| soc_top_r.v | SoC top 16-bit memory bus |
| soc_top_gtr.v | SoC top 16-bit Harvard memory bus |
| turbo9.v | Turbo9 top 8-bit memory bus |
| turbo9_r.v | Turbo9 top 16-bit memory bus |
| turbo9_gtr.v | Turbo9 top 16-bit Harvard memory bus |