void tryWatchpoint(DbgDeviceType devType, int address, UInt8 value, void* ref, WatchpointReadMemCallback callback) {
Watchpoint* watchpoint = watchpoints[devType];
while (watchpoint != NULL) {
if (address >= watchpoint->address && address < watchpoint->address + watchpoint->size) {
UInt32 checkValue = 0;
int breakpointHit = 0;
if (watchpoint->size == 1) {
checkValue = value;
}
else {
int i;
for (i = 0; i < watchpoint->size; i++) {
checkValue <<= 8;
if (callback) {
checkValue |= callback(ref, watchpoint->address + i);
}
else if (watchpoint->address + i == address) {
checkValue |= value;
}
}
}
switch (watchpoint->condition) {
case DBGWP_ANY:
breakpointHit = 1;
break;
case DBGWP_EQUALS:
breakpointHit = checkValue == watchpoint->refValue;
break;
case DBGWP_NOT_EQUALS:
breakpointHit = checkValue != watchpoint->refValue;
break;
case DBGWP_GREATER_THAN:
breakpointHit = checkValue > watchpoint->refValue;
break;
case DBGWP_LESS_THAN:
breakpointHit = checkValue < watchpoint->refValue;
break;
}
if (breakpointHit) {
boardOnBreakpoint(0);
return;
}
}
watchpoint = watchpoint->next;
}
}
static void breakpointCb(R800Debug* dbg, UInt16 pc)
{
boardOnBreakpoint(pc);
}
