void SourceCodeView::setSourceContext(const QString &fileName, const int lineNum)
{
m_fileToLoad.clear();
setToolTip(fileName);
if (fileName.isEmpty()) {
clear();
m_currentFileName.clear();
appendHtml(tr("<i>Source code not available</i>"));
return;
}
if (m_isActive) {
showSourceCode(fileName, lineNum);
} else {
m_fileToLoad = fileName;
m_lineNumToLoad = lineNum;
}
}
void main(int argc, char* argv[])
{
bool singleClock = false;
genAGCStates();
MON::displayAGC();
while(1)
{
// NOTE: assumes that the display is always pointing to the start of
// a new line at the top of this loop!
// Clock the AGC, but between clocks, poll the keyboard
// for front-panel input by the user. This uses a Microsoft function;
// substitute some other non-blocking function to access the keyboard
// if you're porting this to a different platform.
cout << "> "; cout.flush(); // display prompt
while( !_kbhit() )
{
if(MON::FCLK || singleClock)
{
// This is a performance enhancement. If the AGC is running,
// don't check the keyboard or simulator display every simulation
// cycle, because that slows the simulator down too much.
int genStateCntr = 100;
do {
CLK::clkAGC();
singleClock = false;
genAGCStates();
genStateCntr--;
// This needs more work. It doesn't always stop at the
// right location and sometimes stops at the instruction
// afterwards, too.
if(breakpointEnab && breakpoint == MBF::getEffectiveAddress())
{
MON::RUN = 0;
}
// Halt right after the instruction that changes a watched
// memory location.
if(watchEnab)
{
unsigned newWatchValue = MBF::readMemory(watchAddr);
if(newWatchValue != oldWatchValue)
{
MON::RUN = 0;
}
oldWatchValue = newWatchValue;
}
} while (MON::FCLK && MON::RUN && genStateCntr > 0);
updateAGCDisplay();
}
// for convenience, clear the single step switch on TP1; in the
// hardware AGC, this happens when the switch is released
if(MON::STEP && TPG::register_SG.read() == TP1) MON::STEP = 0;
}
char key = _getch();
// Keyboard controls for front-panel:
switch(key)
{
// AGC controls
// simulator controls
case 'q': cout << "QUIT..." << endl; exit(0);
case 'm': showMenu(); break;
case 'd':
genAGCStates();
MON::displayAGC();
break; // update display
case 'l': loadMemory(); break;
case 'e': examineMemory(); break;
case 'f':
showSourceCode();
break;
case ']':
incrCntr();
//genAGCStates();
//displayAGC(EVERY_CYCLE);
break;
case '[':
decrCntr();
//genAGCStates();
//displayAGC(EVERY_CYCLE);
break;
case 'i':
interrupt();
//genAGCStates();
//displayAGC(EVERY_CYCLE);
break;
case 'z':
//SCL::F17 = (SCL::F17 + 1) % 2;
genAGCStates();
MON::displayAGC();
break;
case 'x':
//SCL::F13 = (SCL::F13 + 1) % 2;
genAGCStates();
MON::displayAGC();
break;
case 'r':
MON::RUN = (MON::RUN + 1) % 2;
genAGCStates();
if(!MON::FCLK) MON::displayAGC();
break;
case 's':
MON::STEP = (MON::STEP + 1) % 2;
genAGCStates();
if(!MON::FCLK) MON::displayAGC();
break;
case 'a':
MON::SA = (MON::SA + 1) % 2;
genAGCStates();
MON::displayAGC();
break;
case 'n':
MON::INST = (MON::INST + 1) % 2;
genAGCStates();
MON::displayAGC();
break;
case 'p':
MON::PURST = (MON::PURST + 1) % 2;
genAGCStates();
MON::displayAGC();
break;
case 'b':
toggleBreakpoint();
break;
case 'y':
toggleWatch();
break;
// DSKY:
case '0': KBD::keypress(KEYIN_0); break;
case '1': KBD::keypress(KEYIN_1); break;
case '2': KBD::keypress(KEYIN_2); break;
case '3': KBD::keypress(KEYIN_3); break;
case '4': KBD::keypress(KEYIN_4); break;
case '5': KBD::keypress(KEYIN_5); break;
case '6': KBD::keypress(KEYIN_6); break;
case '7': KBD::keypress(KEYIN_7); break;
case '8': KBD::keypress(KEYIN_8); break;
case '9': KBD::keypress(KEYIN_9); break;
case '+': KBD::keypress(KEYIN_PLUS); break;
case '-': KBD::keypress(KEYIN_MINUS); break;
case '.': KBD::keypress(KEYIN_CLEAR); break;
case '/': KBD::keypress(KEYIN_VERB); break;
case '*': KBD::keypress(KEYIN_NOUN); break;
case 'g': KBD::keypress(KEYIN_KEY_RELEASE); break;
case 'h': KBD::keypress(KEYIN_ERROR_RESET); break;
case 'j': KBD::keypress(KEYIN_ENTER); break;
case '\0': // must be a function key
key = _getch();
switch(key)
{
case 0x3b: // F1: single clock pulse (when system clock off)
singleClock = true; break;
case 0x3c: // F2: manual clock (FCLK=0)
MON::FCLK = 0; genAGCStates(); MON::displayAGC(); break;
case 0x3e: // F4: fast clock (FCLK=1)
MON::FCLK = 1; genAGCStates(); MON::displayAGC(); break;
default: cout << "function key: " << key << "=" << hex << (int) key << dec << endl;
}
break;
//default: cout << "??" << endl;
default: cout << key << "=" << hex << (int) key << dec << endl;
}
}
}
