GE 68K System Manuel D’Utilisation
68K System Monitor
User's Guide
User's Guide
GE Energy Services
General
SWM0023-1.00 -2
Full Release
2-7
Breakpoint Commands
Description
Use these commands with the 68K Monitor for control and display of process
breakpoints in the system.
breakpoints in the system.
The three restrictions with the definition of breakpoints are:
• You must define breakpoints in code that is in RAM.
• You must define breakpoints in code that is in RAM.
− The program instruction changes to a 68000 family TRAP instruction.
• You must define all program breakpoints at the beginning of an instruction.
• Only define breakpoints in a process.
• Only define breakpoints in a process.
− If the interrupt mask is non-zero when you enter the breakpoint handler, the
assumption is that the calling routine is an interrupt service procedure (ISP)
and breakpoints are not valid.
and breakpoints are not valid.
Note:
Diagnostic Commands are suspended in order to use breakpoints.
List of
Commands
Commands
This list shows the Breakpoint commands, in alphabetical order:
Command
Description
See Page
CB
Clear Breakpoint
DB
Define Breakpoint
PB
Print Breakpoint
RB
Resume Breakpoint
SB
Step Breakpoint