Motorola MVME2300 Series Installation And Use Manual page 84

PPCBug
5
5-2
PPCBug includes commands for:
Display and modification of memory
Breakpoint and tracing capabilities
A powerful assembler and disassembler useful for patching
programs
A self-test at power-up feature which verifies the integrity of the
system
PPCBug consists of three parts:
A command-driven, user-interactive software debugger, described
in the PPCBug Firmware Package User's Manual. It is hereafter
referred to as "the debugger" or "PPCBug".
A command-driven diagnostics package for the MVME2300
hardware, hereafter referred to as "the diagnostics." The diagnostics
package is described in the PPCBug Diagnostics Manual.
A user interface or debug/diagnostics monitor that accepts
commands from the system console terminal.
When using PPCBug, you operate out of either the debugger directory or
the diagnostic directory.
If you are in the debugger directory, the debugger prompt
is displayed and you have all of the debugger commands
PPC1-Bug>
at your disposal.
If you are in the diagnostic directory, the diagnostic prompt
is displayed and you have all of the diagnostic
PPC1-Diag>
commands at your disposal as well as all of the debugger
commands.
Because PPCBug is command-driven, it performs its various operations in
response to user commands entered at the keyboard. When you enter a
command, PPCBug executes the command and the prompt reappears.
However, if you enter a command that causes execution of user target code
(e.g., GO), then control may or may not return to PPCBug, depending on
the outcome of the user program.
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