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Laid the groundwork for bring PCx86 up-to-date with timer functionality matching PC8080 and PDPjs (new timer services added)

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Jeff Parsons 2017-08-01 14:26:52 -07:00 • committed by Jeff Parsons
commit 072b8fa2df
8 changed files with 1693 additions and 1493 deletions
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14
modules/pcx86/lib/x86cpu.js
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@ -1847,7 +1847,7 @@ class X86CPU extends CPU {
}
state.set(1, a);
state.set(2, [this.segData.sName, this.segStack.sName, this.opFlags, this.opPrefixes, this.intFlags, this.regEA, this.regEAWrite]);
state.set(3, [0, this.nTotalCycles, this.getSpeed(), fRunning]);
state.set(3, [0, this.nTotalCycles, this.getSpeed(), fRunning, this.saveTimers()]);
state.set(4, this.bus.saveMemory(this.isPagingEnabled()));
return state.data();
}
@ -1914,16 +1914,18 @@ class X86CPU extends CPU {
this.opFlags = a[2];
this.opPrefixes = a[3];
this.intFlags = a[4];
this.regEA = a[5];
this.regEAWrite = a[6]; // save/restore of last EA calculation(s) isn't strictly necessary, but they may be of some interest to, say, the Debugger
this.regEA = a[5]; // save/restore of last EA calculation(s) isn't strictly necessary,
this.regEAWrite = a[6]; // but they may be of some interest to, say, the Debugger
a = data[3]; // a[0] was previously nBurstDivisor (no longer used)
this.nTotalCycles = a[1];
a = data[3];
this.nTotalCycles = a[1]; // a[0] was previously nBurstDivisor (no longer used)
this.setSpeed(a[2]); // old states didn't contain a value from getSpeed(), but setSpeed() checks
if (a[3] != null) { // less old states didn't preserve the original running state, so we must check it
this.flags.autoStart = a[3];
}
if (a[4] != null) {
this.restoreTimers(a[4]);
}
return fRestored;
}