Available in the Debug menu (even if GDB is used), it will show this window:

• Device inspection: CPU, Video card, MT-32 / General MIDI, SoundBlaster Mixer
• Memory visualization, memory binary and ASCII searches
• Memory structure visualization
• Multiple Disassembly visualization, with Step Into and Step Over
• Memory Access/Read/Write Breakpoints and code execution Breakpoints support
• CFGCPU graph view