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Migrated old PDP11 IOPAGE code to Device component

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This commit is contained in:
Jeff 2016-09-21 16:00:40 -07:00 • committed by Jeff Parsons
commit 7b3a2cb676
5 changed files with 1777 additions and 343 deletions
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30
modules/pdp11/lib/cpustate.js
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@ -116,7 +116,7 @@ CPUStatePDP11.prototype.reset = function()
if (this.flags.running) this.stopCPU();
this.resetRegs();
this.resetCycles();
this.clearError(); // clear any fatal error/exception that setError() may have flagged
this.clearError(); // clear any fatal error/exception that setError() may have flagged
this.parent.reset.call(this);
};
@ -544,7 +544,7 @@ CPUStatePDP11.prototype.requestHALT = function()
* @param {number} delay
* @param {number} priority
* @param {number} vector
* @param {function()} callback
* @param {function()} [callback]
*/
CPUStatePDP11.prototype.interrupt = function(delay, priority, vector, callback)
{
@ -887,13 +887,13 @@ CPUStatePDP11.prototype.readWordByAddr = function(physicalAddress)
if (physicalAddress >= PDP11.MAX_ADDRESS) {
return this.regsGen[physicalAddress - PDP11.MAX_ADDRESS];
} else {
if (physicalAddress >= PDP11.IOBASE_UNIBUS) {
return this.bus.access_iopage(physicalAddress, -1, 0);
} else {
// if (physicalAddress >= PDP11.IOBASE_UNIBUS) {
// return this.bus.access_iopage(physicalAddress, -1, 0);
// } else {
if (physicalAddress >= 0) {
return this.bus.getShort(physicalAddress);
}
}
// }
}
return physicalAddress;
};
@ -937,13 +937,13 @@ CPUStatePDP11.prototype.readByteByAddr = function(physicalAddress)
if (physicalAddress >= PDP11.MAX_ADDRESS) {
return (this.regsGen[physicalAddress - PDP11.MAX_ADDRESS] & 0xff);
} else {
if (physicalAddress >= PDP11.IOBASE_UNIBUS) {
return this.bus.access_iopage(physicalAddress, -1, 1);
} else {
// if (physicalAddress >= PDP11.IOBASE_UNIBUS) {
// return this.bus.access_iopage(physicalAddress, -1, 1);
// } else {
if (physicalAddress >= 0) {
return this.bus.getByte(physicalAddress);
}
}
// }
}
return physicalAddress;
};
@ -962,14 +962,14 @@ CPUStatePDP11.prototype.writeByteByAddr = function(physicalAddress, data)
if (physicalAddress >= PDP11.MAX_ADDRESS) {
return (this.regsGen[physicalAddress - PDP11.MAX_ADDRESS] = (this.regsGen[physicalAddress - PDP11.MAX_ADDRESS] & 0xff00) | data);
} else {
if (physicalAddress >= PDP11.IOBASE_UNIBUS) {
return this.bus.access_iopage(physicalAddress, data, 1);
} else {
// if (physicalAddress >= PDP11.IOBASE_UNIBUS) {
// return this.bus.access_iopage(physicalAddress, data, 1);
// } else {
if (physicalAddress >= 0) {
this.bus.setByte(physicalAddress, data);
return data;
}
}
// }
}
return physicalAddress;
};
@ -2333,7 +2333,7 @@ CPUStatePDP11.prototype.stepCPU = function(nMinCycles)
//LOG_INSTRUCTION(instruction, 0, "RESET");
if (!(this.PSW & 0xc000)) {
this.resetRegs();
this.bus.reset_iopage();
this.bus.reset();
// display.data = this.regsGen[0]; // TODO: Review
}
break;