Motorola M68CPU32BUG Manuel d'utilisateur Page 35

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OPERATING INSTRUCTIONS
M68332BCC/D 3-7 MOTOROLA
REV 1
3.4.1 Memory and Register Display and Modification Commands
Various commands are available to the user for displaying and modifying memory. For more
information, refer to Chapter 3 of the M68CPU32BUG Debug Monitor User’s Manual,
M68CPU32BUG/AD1. The memory display and modification commands are:
BF (block of memory fill) fills the specified range of memory with a data pattern.
BM (block of memory move) copies the contents of the memory addresses defined by
<RANGE> to another place in memory, beginning at <ADDR>.
BS (block of memory search) searches the specified range of memory for a match
with a user-entered data pattern.
BV (block of memory verify) compares the specified range of memory against a data
pattern.
MD (memory display) displays the contents of multiple memory locations.
MM (memory modify) examines and changes memory locations.
MS (memory set) writes data to memory starting at a specified address.
RD (register display) displays the contents of the MCU registers.
RM (register modify) examines and changes register contents.
RS (register set) writes data to a specified register.
3.4.2 Breakpoint Capabilities
A breakpoint lets the user set a target code instruction address stopping point for debugging
purposes. Target code execution halts when a breakpoint is encountered. For more information
on breakpoints, refer to Chapter 3 of the M68CPU32BUG Debug Monitor User's Manual,
M68CPU32BUG/AD1. The breakpoint commands are:
BR/NOBR (breakpoint insert/delete) allows the user to set/remove a target code
instruction address as a breakpoint address for debugging purposes.
GD (go direct) starts target code execution and ignores breakpoints.
GN (go to temporary breakpoint) sets a temporary breakpoint at the address of the
next instruction, that is, the one following the current instruction.
GT (go to temporary breakpoint) sets a temporary breakpoint at the current
instruction and starts target code execution.
TT (trace to temporary breakpoint) sets a temporary breakpoint at a specified address
and traces until encountering a breakpoint.
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