Monitor

About the Monitor.

Overview

Einstein has a built-in monitor that allows you to:

• pause and resume Newton emulation
• view disassembly, CPU registers, MMU information, and memory
• set breakpoints
• and more!

Currently the monitor is available in command-line and OS X builds of Einstein. In the OS X version, it can be accessed by choosing Window > Monitor.

Commands

• stop stops the emulator, displaying registers and code at the current pc
• run (or g) resumes a stopped emulator
• mmu displays MMU status
• mmu addr resolve virtual address addr to a physical address
• step steps one instruction
• trace (or t)
• mr
• break addr (or bp addr) set a breakpoint at the given address
• bc addr clear the breakpoint at addr
• dl Paddr display from a physical address
• dl addr display from a virtual address
• dm addr display memory at virtual address
• dm Paddr display memory at physical address
• dm begin-end display memory within range of virtual addresses
• dm Pbegin-end display memory within range of physical addresses
• pc=n set pc to n
• sl addr val store value at virtual address
• sl Paddr val store value at physical address
• rX=n set register X (0-15) to n
• raise n raise interrupt #n
• gpio n raise GPIO n
• watch n addr
• enable log log to file on disk
• disable log stop logging to file on disk