Displaying And Modifying The Break Conditions; Defining A Software Breakpoint - HP 7750 User Manual

Note
Note
Displaying and
Modifying the Break
Conditions
bc -d bp #disable
bc -d rom #disable
bc -d bnct #disable
bc -d cmbt #disable
bc -d trig1 #disable
bc -d trig2 #disable
Defining a Software
Breakpoint
!ASYNC_STAT 615! Software break point: 000c040
2-28 Getting Started
Because software breakpoints are implemented by replacing opcodes
with the software breakpoint instruction, you cannot define software
breakpoints in target ROM. You can, however, copy target ROM into
emulation memory by cim command when you are using the
background monitor. (Refer to HP 64700 Terminal Interface User's
Reference manual.)
When internal RAM is mapped as emulation memory, defining
software breakpoints in this area is not allowed.
Before you can define software breakpoints, you must enable software
breakpoints with the bc (break conditions) command. To view the
default break conditions and change the software breakpoint condition,
enter the following commands.
M> bc
M> bc -e bp
Now that the software breakpoint is enabled, you can define software
breakpoints. Enter the following command to break on the address of
the OUTPUT label.
M> bp 0c040
Run the program and verify that execution broke at the appropriate
address.
M> r 0c000
U> m 100=41