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Fixed new modRM decoders

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This commit is contained in:
Jeff Parsons 2016-03-08 16:39:10 -08:00
commit 7953383fa9
37 changed files with 7973 additions and 1603 deletions
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modules/pcjs/lib/cpu.js
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@ -1048,7 +1048,7 @@ CPU.prototype.runCPU = function(fSetFocus)
if (MAXDEBUG) this.println("CPU exception " + str.toHexByte(exception));
/*
* TODO: If we ever get into a situation where every single instruction is generating a fault
* (eg, if an 8088 executes opcode 0xFF 0xFF, which is incorrectly routed to fnFault() instead
* (eg, if an 8088 executes opcode 0xFF 0xFF, which is incorrectly routed to helpFault() instead
* of fnGRPUndefined()), the browser may hang because we're failing to yield often enough.
* This is likely because the thrown exceptions are taking MUCH longer than normal instructions,
* throwing off our burst calculations. We need to either adjust the burst or break out of the