rv32mbt

An RV32IMAC emulator written in MoonBit (js backend). It implements a QEMU-virt-compatible memory map (16550 UART / CLINT / PLIC / sifive_test) and runs ELF32 (RV32) executables, or flat binaries loaded at 0x80000000, inside your browser. Click or tap the terminal to send keystrokes to UART0 RX (on mobile this opens the software keyboard).

The Linux sample boots a nommu kernel to an interactive busybox shell. Alongside ls, ps, free and vi, it carries:

• /opt/examples/mandelbrot — an ordinary userspace program linked against musl (fib, lifegame, primes and hello_c are there too)
• /opt/nested/wasmrun /opt/nested/rv32mbt.wasm /opt/nested/hello.elf 2 2000000 — this emulator running inside its own guest: browser → Linux → wasm interpreter → rv32mbt (wasm) → hello.elf (it takes a few tens of seconds)