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Instruction history buffer tweaks

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This commit is contained in:
Jeff Parsons 2015-07-18 15:54:11 -07:00
commit da2f8ddda2
3 changed files with 101 additions and 88 deletions
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8
modules/pcjs/lib/debugger.js
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@ -586,6 +586,7 @@ if (DEBUGGER) {
};
Debugger.TRACE_LIMIT = 100000;
Debugger.HISTORY_LIMIT = 100000;
/*
* Opcode 0x0F has a distinguished history:
@ -2031,6 +2032,7 @@ if (DEBUGGER) {
}
}
}
this.historyInit(); // call this just in case Messages.INT was turned on
};
/**
@ -2468,13 +2470,14 @@ if (DEBUGGER) {
{
var i;
if (!this.checksEnabled()) {
if (this.aOpcodeHistory && this.aOpcodeHistory.length) this.println("instruction history buffer freed");
this.iOpcodeHistory = 0;
this.aOpcodeHistory = [];
this.aaOpcodeCounts = [];
return;
}
if (!this.aOpcodeHistory || !this.aOpcodeHistory.length) {
this.aOpcodeHistory = new Array(10000);
this.aOpcodeHistory = new Array(Debugger.HISTORY_LIMIT);
for (i = 0; i < this.aOpcodeHistory.length; i++) {
/*
* Preallocate dummy Addr (Array) objects in every history slot, so that
@ -2483,6 +2486,7 @@ if (DEBUGGER) {
this.aOpcodeHistory[i] = this.newAddr();
}
this.iOpcodeHistory = 0;
this.println("instruction history buffer allocated");
}
if (!this.aaOpcodeCounts || !this.aaOpcodeCounts.length) {
this.aaOpcodeCounts = new Array(256);
@ -4821,6 +4825,8 @@ if (DEBUGGER) {
}
this.println((fCriteria !== null? (fCriteria? "messages on: " : "messages off: ") : "message categories:\n\t") + (sCategories || "none"));
this.historyInit(); // call this just in case Messages.INT was turned on
};
/**