Background Debug Mode Interface - BDM Commands

BDM Commands

The BDM host can issue commands with parameters to the target. Some commands allow reading or writing of blocks of the target's memory, individual registers in the CPU, or registers not available to the target.

Examples include:

BDM commands
READ_BYTE Read a byte from memory
WRITE_BYTE Write a byte to memory
GO Start/resume executing at current program counter location
WRITE_PC Write a value to the program counter
READ_PC Read the value of the program counter
WRITE_X Write a value to the index register
READ_X Read the value of the index register
READ_SP Read the value of the stack pointer

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