📂 V6 FS: /tmp Drop files here to upload them
Loading Unix V6 disk image...
Please place disk/unix_v6_rk05.dsk in web/disk/.
cd examples/09-pdp11/web && python3 -m http.server 8080

soft-FPGA | 09 — PDP-11 / Unix V6 RTL Simulator Ver.1.0.0 2026/06/13 14:42

cpus-pdp11 (Brad Parker RTL) → Verilator → WASM  |  Unix V6 + custom RK11 BIOS

Unix V6 DOCS 07 Unix V6 / PDP-11 History 06 Demo Commands 09 Filesystem Layout 11 Thompson Shell Guide 08 ed Editor Guide 10 Unix V6 Command Reference 12 System Call Reference 13 C Compilation Guide 14 db Debugger Guide 20 Debug Panel & Logic Analyzer 21 LA Bus Cycle Examples 22 Instruction Timing Diagrams (63 cases) 24 Timing Diagram Case Explanations 25 as/db Instruction Sequence Demo 26 Expression Trigger Reference 30 Linux Boot Scripts 31 Uppercase Mode (lcase) 42 as Assembler Constraints 52 Memory Map 53 References 54 SIMH Guide (with cc) 55 MMU Timing vs Hardware 56 MMU in Unix V6 57 Registers & istate 📷 PDP-11 Timing Diagrams
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Boot Progress

bootrom kernel init mem= user space login:
KBD: |
CPU PC:------ | PSW:-------- | ------ FROZEN