Connect to PCSX2's EE or IOP GDB server. PCSX2 pauses the VM on connect.

Disconnect one GDB target.

Return MCP-side connection status for both EE and IOP.

Ask PCSX2 for VM status, title, serial, and CRCs via qPcsx2.

Interrupt/pause the VM through GDB Ctrl-C.

Resume the VM.

Single-step one guest instruction and stop again.

Request a VM reset.

Advance the VM by one or more frames and pause.

Save a PCSX2 savestate slot synchronously.

Load a PCSX2 savestate slot.

Save a savestate to an explicit file path.

Load a savestate from an explicit file path.

Wait until async savestate compression has flushed.

Save the current PCSX2 render frame to an image file, even if the emulator window is inactive or minimized.

Return guest registers for EE or IOP.

Overwrite one register by name or numeric index.

Return full-width PCSX2 debug registers through qPcsx2.

Write a full-width PCSX2 debug register by category and index.

Set the current program counter through PCSX2's debug interface.

Disassemble guest instructions using PCSX2's native debugger disassembler.

Evaluate a PCSX2 debugger expression.

Read guest memory as hex, base64, ascii, hexdump, or u32_array.

Read a null-terminated guest string.

Overwrite guest memory with hex bytes.

Overwrite guest memory with bytes read from a local file.

Dump guest memory to a local file.

Dump a named memory region. Use list_memory_regions for names.

List predefined dump regions.

Search guest memory for a hex pattern. Use ?? as a wildcard byte.

Snapshot and diff a guest memory range. First call saves, second call compares and clears.

Set an exec/read/write/rw breakpoint or watchpoint.

Remove a breakpoint or watchpoint.

Return accepted breakpoint kind names and RSP types.

Set a PCSX2 debugger breakpoint with an optional expression condition.

Remove a PCSX2 debugger breakpoint.

List PCSX2 debugger breakpoints and conditions.

Set a PCSX2 debugger memory watchpoint.

Remove a PCSX2 debugger memory watchpoint.

List PCSX2 debugger memory watchpoints.

Clear all PCSX2 debugger breakpoints and watchpoints.

List BIOS threads through PCSX2's debugger.

List IOP modules through PCSX2's debugger.

Return a PCSX2 debugger stack backtrace.

Reload PCSX2 cheats/patches from disk and refresh enabled lists.

List loaded cheat groups and their current runtime enabled state.

Enable or disable one named cheat group at runtime.

Enable or disable the global cheats switch at runtime.

Take one timestamped register/memory sample.

Start background register/memory tracing, optionally writing JSONL records.

Stop a background trace.

List active background traces.

Start periodic savestate capture into a ring buffer for rewind.

Stop a rewind capture worker but keep its files available.

List active rewind workers and captured savestate files.

Load a previous rewind savestate. steps=1 loads the newest capture.

Write PCSX2.ini EmuCore GDB server keys for this fork.

List running PCSX2 processes.

Terminate running PCSX2 processes.

Launch PCSX2, optionally with a game path.

Resolve PCSX2 log path.

Return trailing PCSX2 log lines.

Return recent error/warning log lines.

Return GDB register names in order.