HP 68000 Series, User Manual

Page: 312 / 586

Debugger Macro Call
Debugger Macro Display
Program R un
Symbol R emove
The “U sing Macros and Command Files” chapter
The “Predefined Macros” chapter in this manual.
Example
Debugger Macro Add int power(x, y)
int x;
int y;
{
int i; /* Loop counter */
int multiplier; /* Value x is multiplied by */
/* Multiply x by itself y -1 times */
for (i = 1, multiplier = x; i < y; i++)
x *= multiplier;
/* Return x ^y */
return x;
}
.
Debugger Macro Add void stackchk()
{
/* The symbols ’stack’ and ’TopOfStack’ exist in the compiler’s */
/* environment library, and are addresses which indicate the */
/* bottom and the top of the system stack. The symbol @sp is a */
/* debugger reserved symbol which contains the current value of */
/* the processor’s stack pointer. */
$Expression Printf "%d bytes of stack used", TopOfStack - @sp$;
$Expression Printf "%d bytes of stack available", @sp - stack$;
}
.
Chapter 9: Debugger Commands
Debugger Macro Add
290