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pcjs/modules/pdp11/lib/cpuops.js
Jeff e322c5f912 Implemented INC/DEC opcodes
2016-09-27 09:28:52 -07:00

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/**
* @fileoverview Implements PDP11 opcode handlers.
* @author <a href="mailto:Jeff@pcjs.org">Jeff Parsons</a>
* @version 1.0
* Created 2016-Sep-03
*
* This file is part of PCjs, a computer emulation software project at <http://pcjs.org/>.
*
* It has been adapted from the JavaScript PDP 11/70 Emulator v1.3 written by Paul Nankervis
* (paulnank@hotmail.com) as of August 2016 from http://skn.noip.me/pdp11/pdp11.html. This code
* may be used freely provided the original author name is acknowledged in any modified source code.
*
* PCjs is free software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation, either version 3
* of the License, or (at your option) any later version.
*
* PCjs is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
* even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with PCjs. If not,
* see <http://www.gnu.org/licenses/gpl.html>.
*
* You are required to include the above copyright notice in every source code file of every
* copy or modified version of this work, and to display that copyright notice on every screen
* that loads or runs any version of this software (see COPYRIGHT in /modules/shared/lib/defines.js).
*
* Some PCjs files also attempt to load external resource files, such as character-image files,
* ROM files, and disk image files. Those external resource files are not considered part of PCjs
* for purposes of the GNU General Public License, and the author does not claim any copyright
* as to their contents.
*/
"use strict";
if (NODE) {
var PDP11 = require("./defines");
}
/**
* fnADD(src, dst)
*
* @this {CPUStatePDP11}
* @param {number} src
* @param {number} dst
* @return {number} (dst + src)
*/
PDP11.fnADD = function(src, dst)
{
var result = dst + src;
this.updateAddFlags(result, src, dst);
return result & 0xffff;
};
/**
* fnBIC(src, dst)
*
* @this {CPUStatePDP11}
* @param {number} src
* @param {number} dst
* @return {number} (~src & dst)
*/
PDP11.fnBIC = function(src, dst)
{
var result = dst & ~src;
this.updateNZFlags(result);
return result;
};
/**
* fnBICB(src, dst)
*
* @this {CPUStatePDP11}
* @param {number} src
* @param {number} dst
* @return {number} (~src & dst)
*/
PDP11.fnBICB = function(src, dst)
{
var result = dst & ~src;
this.updateNZFlags(result << 8);
return result;
};
/**
* fnBIS(src, dst)
*
* @this {CPUStatePDP11}
* @param {number} src
* @param {number} dst
* @return {number} (dst | src)
*/
PDP11.fnBIS = function(src, dst)
{
var result = dst | src;
this.updateNZFlags(result);
return result;
};
/**
* fnBISB(src, dst)
*
* @this {CPUStatePDP11}
* @param {number} src
* @param {number} dst
* @return {number} (dst | src)
*/
PDP11.fnBISB = function(src, dst)
{
var result = dst | src;
this.updateNZFlags(result << 8);
return result;
};
/**
* fnDEC(src, dst)
*
* @this {CPUStatePDP11}
* @param {number} src (ie, 1)
* @param {number} dst
* @return {number} (dst - src)
*/
PDP11.fnDEC = function(src, dst)
{
var result = dst - src;
this.updateDecFlags(result, src, dst);
return result & 0xffff;
};
/**
* fnINC(src, dst)
*
* @this {CPUStatePDP11}
* @param {number} src (ie, 1)
* @param {number} dst
* @return {number} (dst + src)
*/
PDP11.fnINC = function(src, dst)
{
var result = dst + src;
this.updateIncFlags(result, src, dst);
return result & 0xffff;
};
/**
* fnSUB(src, dst)
*
* @this {CPUStatePDP11}
* @param {number} src
* @param {number} dst
* @return {number} (dst - src)
*/
PDP11.fnSUB = function(src, dst)
{
var result = dst - src;
this.updateSubFlags(result, src, dst);
return result & 0xffff;
};
/**
* opADC(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opADC = function(opCode)
{
/*
* TODO: Implement
*/
this.regOp = -1;
this.nStepCycles -= 1;
};
/**
* opADCB(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opADCB = function(opCode)
{
/*
* TODO: Implement
*/
this.regOp = -1;
this.nStepCycles -= 1;
};
/**
* opADD(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opADD = function(opCode)
{
this.updateWordByMode(opCode, this.readWordByMode(opCode >> PDP11.SRCMODE.SHIFT), PDP11.fnADD);
this.nStepCycles -= 1;
};
/**
* opASH(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opASH = function(opCode)
{
/*
* TODO: Implement
*/
this.regOp = -1;
this.nStepCycles -= 1;
};
/**
* opASHC(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opASHC = function(opCode)
{
/*
* TODO: Implement
*/
this.regOp = -1;
this.nStepCycles -= 1;
};
/**
* opASL(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opASL = function(opCode)
{
/*
* TODO: Implement
*/
this.regOp = -1;
this.nStepCycles -= 1;
};
/**
* opASLB(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opASLB = function(opCode)
{
/*
* TODO: Implement
*/
this.regOp = -1;
this.nStepCycles -= 1;
};
/**
* opASR(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opASR = function(opCode)
{
/*
* TODO: Implement
*/
this.regOp = -1;
this.nStepCycles -= 1;
};
/**
* opASRB(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opASRB = function(opCode)
{
/*
* TODO: Implement
*/
this.regOp = -1;
this.nStepCycles -= 1;
};
/**
* opBCC(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opBCC = function(opCode)
{
if (!this.getCF()) this.regsGen[7] = this.branch(opCode);
this.nStepCycles -= 1;
};
/**
* opBCS(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opBCS = function(opCode)
{
if (this.getCF()) this.regsGen[7] = this.branch(opCode);
this.nStepCycles -= 1;
};
/**
* opBIC(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opBIC = function(opCode)
{
this.updateWordByMode(opCode, this.readWordByMode(opCode >> PDP11.SRCMODE.SHIFT), PDP11.fnBIC);
this.nStepCycles -= 1;
};
/**
* opBICB(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opBICB = function(opCode)
{
this.updateByteByMode(opCode, this.readByteByMode(opCode >> PDP11.SRCMODE.SHIFT), PDP11.fnBICB);
this.nStepCycles -= 1;
};
/**
* opBIS(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opBIS = function(opCode)
{
this.updateWordByMode(opCode, this.readWordByMode(opCode >> PDP11.SRCMODE.SHIFT), PDP11.fnBIS);
this.nStepCycles -= 1;
};
/**
* opBISB(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opBISB = function(opCode)
{
this.updateByteByMode(opCode, this.readByteByMode(opCode >> PDP11.SRCMODE.SHIFT), PDP11.fnBISB);
this.nStepCycles -= 1;
};
/**
* opBIT(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opBIT = function(opCode)
{
this.updateNZFlags(this.readWordByMode(opCode >> PDP11.SRCMODE.SHIFT) & this.readWordByMode(opCode));
this.nStepCycles -= 1;
};
/**
* opBITB(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opBITB = function(opCode)
{
this.updateNZFlags((this.readByteByMode(opCode >> PDP11.SRCMODE.SHIFT) & this.readByteByMode(opCode)) << 8);
this.nStepCycles -= 1;
};
/**
* opBEQ(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opBEQ = function(opCode)
{
if (this.getZF()) this.regsGen[7] = this.branch(opCode);
this.nStepCycles -= 1;
};
/**
* opBGE(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opBGE = function(opCode)
{
if (!this.getNF() == !this.getVF()) this.regsGen[7] = this.branch(opCode);
this.nStepCycles -= 1;
};
/**
* opBGT(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opBGT = function(opCode)
{
if (!this.getZF() && (!this.getNF() == !this.getVF())) this.regsGen[7] = this.branch(opCode);
this.nStepCycles -= 1;
};
/**
* opBHI(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opBHI = function(opCode)
{
if (!this.getCF() && !this.getZF()) this.regsGen[7] = this.branch(opCode);
this.nStepCycles -= 1;
};
/**
* opBLE(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opBLE = function(opCode)
{
if (this.getZF() || (!this.getNF() != !this.getVF())) this.regsGen[7] = this.branch(opCode);
this.nStepCycles -= 1;
};
/**
* opBLOS(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opBLOS = function(opCode)
{
if (this.getCF() || this.getZF()) this.regsGen[7] = this.branch(opCode);
this.nStepCycles -= 1;
};
/**
* opBLT(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opBLT = function(opCode)
{
if (!this.getNF() != !this.getVF()) this.regsGen[7] = this.branch(opCode);
this.nStepCycles -= 1;
};
/**
* opBMI(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opBMI = function(opCode)
{
if (this.getNF()) this.regsGen[7] = this.branch(opCode);
this.nStepCycles -= 1;
};
/**
* opBNE(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opBNE = function(opCode)
{
if (!this.getZF()) this.regsGen[7] = this.branch(opCode);
this.nStepCycles -= 1;
};
/**
* opBPL(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opBPL = function(opCode)
{
if (!this.getNF()) this.regsGen[7] = this.branch(opCode);
this.nStepCycles -= 1;
};
/**
* opBPT(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opBPT = function(opCode)
{
/*
* TODO: Implement
*/
this.regOp = -1;
this.nStepCycles -= 1;
};
/**
* opBR(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opBR = function(opCode)
{
this.regsGen[7] = this.branch(opCode);
this.nStepCycles -= 1;
};
/**
* opBVC(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opBVC = function(opCode)
{
if (!this.getVF()) this.regsGen[7] = this.branch(opCode);
this.nStepCycles -= 1;
};
/**
* opBVS(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opBVS = function(opCode)
{
if (this.getVF()) this.regsGen[7] = this.branch(opCode);
this.nStepCycles -= 1;
};
/**
* opCLR(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opCLR = function(opCode)
{
this.updateNZCFlags(this.writeWordByMode(opCode, 0));
this.nStepCycles -= 1;
};
/**
* opCLRB(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opCLRB = function(opCode)
{
this.updateNZCFlags(this.writeByteByMode(opCode, 0));
this.nStepCycles -= 1;
};
/**
* opCLC(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opCLC = function(opCode)
{
this.clearCF();
this.nStepCycles -= 1;
};
/**
* opCLN(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opCLN = function(opCode)
{
this.clearNF();
this.nStepCycles -= 1;
};
/**
* opCLV(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opCLV = function(opCode)
{
this.clearVF();
this.nStepCycles -= 1;
};
/**
* opCLZ(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opCLZ = function(opCode)
{
this.clearZF();
this.nStepCycles -= 1;
};
/**
* opCLx(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opCLx = function(opCode)
{
if (opCode & 0x1) this.clearCF();
if (opCode & 0x2) this.clearVF();
if (opCode & 0x4) this.clearZF();
if (opCode & 0x8) this.clearNF();
this.nStepCycles -= 1;
};
/**
* opCMP(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opCMP = function(opCode)
{
var src = this.readWordByMode(opCode >> PDP11.SRCMODE.SHIFT);
var dst = this.readWordByMode(opCode);
var result = src - dst;
/*
* NOTE: CMP calculates (src - dst) rather than (dst - src), so when we call updateSubFlags(),
* we must reverse the order of the src and dst parameters.
*/
this.updateSubFlags(result, dst, src);
this.nStepCycles -= 1;
};
/**
* opCMPB(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opCMPB = function(opCode)
{
var src = this.readByteByMode(opCode >> PDP11.SRCMODE.SHIFT) << 8;
var dst = this.readByteByMode(opCode) << 8;
var result = src - dst;
/*
* NOTE: CMP calculates (src - dst) rather than (dst - src), so when we call updateSubFlags(),
* we must reverse the order of the src and dst parameters.
*/
this.updateSubFlags(result, dst, src);
this.nStepCycles -= 1;
};
/**
* opCOM(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opCOM = function(opCode)
{
/*
* TODO: Implement
*/
this.regOp = -1;
this.nStepCycles -= 1;
};
/**
* opCOMB(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opCOMB = function(opCode)
{
/*
* TODO: Implement
*/
this.regOp = -1;
this.nStepCycles -= 1;
};
/**
* opDEC(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opDEC = function(opCode)
{
this.updateWordByMode(opCode, 1, PDP11.fnDEC);
this.nStepCycles -= 1;
};
/**
* opDECB(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opDECB = function(opCode)
{
/*
* TODO: Implement
*/
this.regOp = -1;
this.nStepCycles -= 1;
};
/**
* opDIV(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opDIV = function(opCode)
{
/*
* TODO: Implement
*/
this.regOp = -1;
this.nStepCycles -= 1;
};
/**
* opEMT(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opEMT = function(opCode)
{
/*
* TODO: Implement
*/
this.regOp = -1;
this.nStepCycles -= 1;
};
/**
* opHALT(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opHALT = function(opCode)
{
/*
* TODO: Implement
*/
this.regOp = -1;
this.nStepCycles -= 1;
};
/**
* opINC(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opINC = function(opCode)
{
this.updateWordByMode(opCode, 1, PDP11.fnINC);
this.nStepCycles -= 1;
};
/**
* opINCB(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opINCB = function(opCode)
{
/*
* TODO: Implement
*/
this.regOp = -1;
this.nStepCycles -= 1;
};
/**
* opIOT(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opIOT = function(opCode)
{
/*
* TODO: Implement
*/
this.regOp = -1;
this.nStepCycles -= 1;
};
/**
* opJSR(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opJSR = function(opCode)
{
var addr = this.getVirtualByMode(opCode, PDP11.ACCESS.VIRT);
var reg = (opCode >> PDP11.SRCMODE.SHIFT) & PDP11.OPREG.MASK;
this.pushWord(this.regsGen[reg]);
this.regsGen[reg] = this.regsGen[PDP11.REG.PC];
this.regsGen[PDP11.REG.PC] = addr;
this.nStepCycles -= 1;
};
/**
* opMARK(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opMARK = function(opCode)
{
/*
* TODO: Implement
*/
this.regOp = -1;
this.nStepCycles -= 1;
};
/**
* opMFPD(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opMFPD = function(opCode)
{
/*
* TODO: Implement
*/
this.regOp = -1;
this.nStepCycles -= 1;
};
/**
* opMFPI(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opMFPI = function(opCode)
{
/*
* TODO: Implement
*/
this.regOp = -1;
this.nStepCycles -= 1;
};
/**
* opMFPS(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opMFPS = function(opCode)
{
/*
* TODO: Implement
*/
this.regOp = -1;
this.nStepCycles -= 1;
};
/**
* opMFPT(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opMFPT = function(opCode)
{
/*
* TODO: Implement
*/
this.regOp = -1;
this.nStepCycles -= 1;
};
/**
* opMOV(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opMOV = function(opCode)
{
this.updateNZFlags(this.writeWordByMode(opCode, this.readWordByMode(opCode >> PDP11.SRCMODE.SHIFT)));
this.nStepCycles -= 1;
};
/**
* opMOVB(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opMOVB = function(opCode)
{
var data = this.readByteByMode(opCode >> PDP11.SRCMODE.SHIFT);
this.updateNZFlags(this.writeByteByMode(opCode, data, PDP11.WRITE.SIGNEXT) << 8);
this.nStepCycles -= 1;
};
/**
* opMTPD(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opMTPD = function(opCode)
{
/*
* TODO: Implement
*/
this.regOp = -1;
this.nStepCycles -= 1;
};
/**
* opMTPI(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opMTPI = function(opCode)
{
/*
* TODO: Implement
*/
this.regOp = -1;
this.nStepCycles -= 1;
};
/**
* opMTPS(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opMTPS = function(opCode)
{
/*
* TODO: Implement
*/
this.regOp = -1;
this.nStepCycles -= 1;
};
/**
* opMUL(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opMUL = function(opCode)
{
/*
* TODO: Implement
*/
this.regOp = -1;
this.nStepCycles -= 1;
};
/**
* opNEG(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opNEG = function(opCode)
{
/*
* TODO: Implement
*/
this.regOp = -1;
this.nStepCycles -= 1;
};
/**
* opNEGB(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opNEGB = function(opCode)
{
/*
* TODO: Implement
*/
this.regOp = -1;
this.nStepCycles -= 1;
};
/**
* opNOP(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opNOP = function(opCode)
{
this.nStepCycles -= 1;
};
/**
* opRESET(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opRESET = function(opCode)
{
if (!(this.PSW & PDP11.PSW.CMODE)) {
this.resetRegs();
this.bus.reset();
// display.data = this.regsGen[0]; // TODO: Review
}
this.nStepCycles -= 1;
};
/**
* opROL(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opROL = function(opCode)
{
/*
* TODO: Implement
*/
this.regOp = -1;
this.nStepCycles -= 1;
};
/**
* opROLB(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opROLB = function(opCode)
{
/*
* TODO: Implement
*/
this.regOp = -1;
this.nStepCycles -= 1;
};
/**
* opROR(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opROR = function(opCode)
{
/*
* TODO: Implement
*/
this.regOp = -1;
this.nStepCycles -= 1;
};
/**
* opRORB(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opRORB = function(opCode)
{
/*
* TODO: Implement
*/
this.regOp = -1;
this.nStepCycles -= 1;
};
/**
* opRTI(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opRTI = function(opCode)
{
/*
* TODO: Implement
*/
this.regOp = -1;
this.nStepCycles -= 1;
};
/**
* opRTS(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opRTS = function(opCode)
{
this.assert(!(opCode & 0x08));
var src = this.popWord();
var reg = opCode & PDP11.OPREG.MASK;
this.regsGen[PDP11.REG.PC] = this.regsGen[reg];
this.regsGen[reg] = src;
this.nStepCycles -= 1;
};
/**
* opRTT(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opRTT = function(opCode)
{
/*
* TODO: Implement
*/
this.regOp = -1;
this.nStepCycles -= 1;
};
/**
* opSBC(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opSBC = function(opCode)
{
/*
* TODO: Implement
*/
this.regOp = -1;
this.nStepCycles -= 1;
};
/**
* opSBCB(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opSBCB = function(opCode)
{
/*
* TODO: Implement
*/
this.regOp = -1;
this.nStepCycles -= 1;
};
/**
* opSEC(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opSEC = function(opCode)
{
this.setCF();
this.nStepCycles -= 1;
};
/**
* opSEN(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opSEN = function(opCode)
{
this.setNF();
this.nStepCycles -= 1;
};
/**
* opSEV(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opSEV = function(opCode)
{
this.setVF();
this.nStepCycles -= 1;
};
/**
* opSEZ(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opSEZ = function(opCode)
{
this.setZF();
this.nStepCycles -= 1;
};
/**
* opSEx(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opSEx = function(opCode)
{
if (opCode & 0x1) this.setCF();
if (opCode & 0x2) this.setVF();
if (opCode & 0x4) this.setZF();
if (opCode & 0x8) this.setNF();
this.nStepCycles -= 1;
};
/**
* opSOB(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opSOB = function(opCode)
{
/*
* TODO: Implement
*/
this.regOp = -1;
this.nStepCycles -= 1;
};
/**
* opSPL(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opSPL = function(opCode)
{
this.assert(opCode & 0x08);
if (!(this.PSW & PDP11.PSW.CMODE)) {
this.PSW = (this.PSW & ~(PDP11.PSW.UNUSED | PDP11.PSW.PRI)) | ((opCode & 0x7) << PDP11.PSW.SHIFT.PRI);
this.priorityReview = 1;
}
this.nStepCycles -= 1;
};
/**
* opSUB(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opSUB = function(opCode)
{
this.updateWordByMode(opCode, this.readWordByMode(opCode >> PDP11.SRCMODE.SHIFT), PDP11.fnSUB);
this.nStepCycles -= 1;
};
/**
* opSXT(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opSXT = function(opCode)
{
/*
* TODO: Implement
*/
this.regOp = -1;
this.nStepCycles -= 1;
};
/**
* opTRAP(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opTRAP = function(opCode)
{
/*
* TODO: Implement
*/
this.regOp = -1;
this.nStepCycles -= 1;
};
/**
* opTST(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opTST = function(opCode)
{
/*
* TODO: Implement
*/
this.regOp = -1;
this.nStepCycles -= 1;
};
/**
* opTSTB(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opTSTB = function(opCode)
{
/*
* TODO: Implement
*/
this.regOp = -1;
this.nStepCycles -= 1;
};
/**
* opWAIT(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opWAIT = function(opCode)
{
/*
* TODO: Implement
*/
this.regOp = -1;
this.nStepCycles -= 1;
};
/**
* opXOR(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opXOR = function(opCode)
{
/*
* TODO: Implement
*/
this.regOp = -1;
this.nStepCycles -= 1;
};
/**
* opUndefined(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opUndefined = function(opCode)
{
this.trap(PDP11.TRAP.RESERVED, 48);
};
/**
* op1170(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.op1170 = function(opCode)
{
PDP11.aOpsXnnn_1170[opCode >> 12].call(this, opCode);
};
/**
* op0Xnn_1170(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.op0Xnn_1170 = function(opCode)
{
PDP11.aOps0Xnn_1170[(opCode >> 8) & 0xf].call(this, opCode);
};
/**
* op0Ann_1170(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.op0Ann_1170 = function(opCode)
{
PDP11.aOps0AXn_1170[(opCode >> 6) & 0x3].call(this, opCode);
};
/**
* op0Bnn_1170(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.op0Bnn_1170 = function(opCode)
{
PDP11.aOps0BXn_1170[(opCode >> 6) & 0x3].call(this, opCode);
};
/**
* op0Cnn_1170(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.op0Cnn_1170 = function(opCode)
{
PDP11.aOps0CXn_1170[(opCode >> 6) & 0x3].call(this, opCode);
};
/**
* op0Dnn_1170(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.op0Dnn_1170 = function(opCode)
{
PDP11.aOps0DXn_1170[(opCode >> 6) & 0x3].call(this, opCode);
};
/**
* op00Xn_1170(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.op00Xn_1170 = function(opCode)
{
PDP11.aOps00Xn_1170[(opCode >> 4) & 0xf].call(this, opCode);
};
/**
* op008X_1170(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.op008X_1170 = function(opCode)
{
PDP11.aOps00AX_1170[opCode & 0xf].call(this, opCode);
};
/**
* op00AX_1170(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.op00AX_1170 = function(opCode)
{
PDP11.aOps00AX_1170[opCode & 0xf].call(this, opCode);
};
/**
* op00BX_1170(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.op00BX_1170 = function(opCode)
{
PDP11.aOps00BX_1170[opCode & 0xf].call(this, opCode);
};
/**
* op000X_1170(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.op000X_1170 = function(opCode)
{
PDP11.aOps000X_1170[opCode & 0xf].call(this, opCode);
};
/**
* op7Xnn_1170(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.op7Xnn_1170 = function(opCode)
{
PDP11.aOps7Xnn_1170[(opCode >> 8) & 0xf].call(this, opCode);
};
/**
* op8Xnn_1170(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.op8Xnn_1170 = function(opCode)
{
PDP11.aOps8Xnn_1170[(opCode >> 8) & 0xf].call(this, opCode);
};
/**
* op8AXn_1170(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.op8AXn_1170 = function(opCode)
{
PDP11.aOps8AXn_1170[(opCode >> 6) & 0x3].call(this, opCode);
};
/**
* op8BXn_1170(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.op8BXn_1170 = function(opCode)
{
PDP11.aOps8BXn_1170[(opCode >> 6) & 0x3].call(this, opCode);
};
/**
* op8CXn_1170(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.op8CXn_1170 = function(opCode)
{
PDP11.aOps8CXn_1170[(opCode >> 6) & 0x3].call(this, opCode);
};
/**
* op8DXn_1170(opCode)
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.op8DXn_1170 = function(opCode)
{
PDP11.aOps8DXn_1170[(opCode >> 6) & 0x3].call(this, opCode);
};
PDP11.aOpsXnnn_1170 = [
PDP11.op0Xnn_1170, // 0x0nnn
PDP11.opMOV, // 0x1nnn 01SSDD
PDP11.opCMP, // 0x2nnn 02SSDD
PDP11.opBIT, // 0x3nnn 03SSDD
PDP11.opBIC, // 0x4nnn 04SSDD
PDP11.opBIS, // 0x5nnn 05SSDD
PDP11.opADD, // 0x6nnn 06SSDD
PDP11.op7Xnn_1170, // 0x7nnn
PDP11.op8Xnn_1170, // 0x8nnn
PDP11.opMOVB, // 0x9nnn 11SSDD
PDP11.opCMPB, // 0xAnnn 12SSDD
PDP11.opBITB, // 0xBnnn 13SSDD
PDP11.opBICB, // 0xCnnn 14SSDD
PDP11.opBISB, // 0xDnnn 15SSDD
PDP11.opSUB, // 0xEnnn 16SSDD
PDP11.opUndefined // 0xFnnn
];
PDP11.aOps0Xnn_1170 = [
PDP11.op00Xn_1170, // 0x00nn
PDP11.opBR, // 0x01nn
PDP11.opBNE, // 0x02nn
PDP11.opBEQ, // 0x03nn
PDP11.opBGE, // 0x04nn
PDP11.opBLT, // 0x05nn
PDP11.opBGT, // 0x06nn
PDP11.opBLE, // 0x07nn
PDP11.opJSR, // 0x08nn
PDP11.opJSR, // 0x09nn
PDP11.op0Ann_1170, // 0x0Ann
PDP11.op0Bnn_1170, // 0x0Bnn
PDP11.op0Cnn_1170, // 0x0Cnn
PDP11.op0Dnn_1170, // 0x0Dnn
PDP11.opUndefined, // 0x0Enn
PDP11.opUndefined // 0x0Fnn
];
PDP11.aOps00Xn_1170 = [
PDP11.op000X_1170, // 0x000n
PDP11.opUndefined, // 0x001n
PDP11.opUndefined, // 0x002n
PDP11.opUndefined, // 0x003n
PDP11.opUndefined, // 0x004n
PDP11.opUndefined, // 0x005n
PDP11.opUndefined, // 0x006n
PDP11.opUndefined, // 0x007n
PDP11.opRTS, // 0x008n 00020R (technically, bit 3 should also be CLR for the RTS opCode)
PDP11.opSPL, // 0x009n 00023N (technically, bit 3 should also be SET for the SPL opCode)
PDP11.op00AX_1170, // 0x00An 000240-000257
PDP11.op00BX_1170, // 0x00Bn 000260-000277
PDP11.opUndefined, // 0x00Cn
PDP11.opUndefined, // 0x00Dn
PDP11.opUndefined, // 0x00En
PDP11.opUndefined // 0x00Fn
];
PDP11.aOps00AX_1170 = [
PDP11.opNOP, // 0x00A0 000240
PDP11.opCLC, // 0x00A1
PDP11.opCLV, // 0x00A2
PDP11.opCLx, // 0x00A3
PDP11.opCLZ, // 0x00A4
PDP11.opCLx, // 0x00A5
PDP11.opCLx, // 0x00A6
PDP11.opCLx, // 0x00A7
PDP11.opCLN, // 0x00A8
PDP11.opCLx, // 0x00A9
PDP11.opCLx, // 0x00AA
PDP11.opCLx, // 0x00AB
PDP11.opCLx, // 0x00AC
PDP11.opCLx, // 0x00AD
PDP11.opCLx, // 0x00AE
PDP11.opCLx // 0x00AF 000257
];
PDP11.aOps00BX_1170 = [
PDP11.opNOP, // 0x00B0 000260
PDP11.opSEC, // 0x00B1
PDP11.opSEV, // 0x00B2
PDP11.opSEx, // 0x00B3
PDP11.opSEZ, // 0x00B4
PDP11.opSEx, // 0x00B5
PDP11.opSEx, // 0x00B6
PDP11.opSEx, // 0x00B7
PDP11.opSEN, // 0x00B8
PDP11.opSEx, // 0x00B9
PDP11.opSEx, // 0x00BA
PDP11.opSEx, // 0x00BB
PDP11.opSEx, // 0x00BC
PDP11.opSEx, // 0x00BD
PDP11.opSEx, // 0x00BE
PDP11.opSEx // 0x00BF 000277
];
PDP11.aOps000X_1170 = [
PDP11.opHALT, // 0x0000
PDP11.opWAIT, // 0x0001
PDP11.opRTI, // 0x0002
PDP11.opBPT, // 0x0003
PDP11.opIOT, // 0x0004
PDP11.opRESET, // 0x0005
PDP11.opRTT, // 0x0006
PDP11.opMFPT, // 0x0007
PDP11.opUndefined, // 0x0008
PDP11.opUndefined, // 0x0009
PDP11.opUndefined, // 0x000A
PDP11.opUndefined, // 0x000B
PDP11.opUndefined, // 0x000C
PDP11.opUndefined, // 0x000D
PDP11.opUndefined, // 0x000E
PDP11.opUndefined // 0x000F
];
PDP11.aOps7Xnn_1170 = [
PDP11.opMUL, // 0x70nn
PDP11.opMUL, // 0x71nn
PDP11.opDIV, // 0x72nn
PDP11.opDIV, // 0x73nn
PDP11.opASH, // 0x74nn
PDP11.opASH, // 0x75nn
PDP11.opASHC, // 0x76nn
PDP11.opASHC, // 0x77nn
PDP11.opXOR, // 0x78nn
PDP11.opXOR, // 0x79nn
PDP11.opUndefined, // 0x7Ann
PDP11.opUndefined, // 0x7Bnn
PDP11.opUndefined, // 0x7Cnn
PDP11.opUndefined, // 0x7Dnn
PDP11.opSOB, // 0x7Enn
PDP11.opSOB // 0x7Fnn
];
PDP11.aOps8Xnn_1170 = [
PDP11.opBPL, // 0x80nn
PDP11.opBMI, // 0x81nn
PDP11.opBHI, // 0x82nn
PDP11.opBLOS, // 0x83nn
PDP11.opBVC, // 0x84nn
PDP11.opBVS, // 0x85nn
PDP11.opBCC, // 0x86nn
PDP11.opBCS, // 0x87nn
PDP11.opEMT, // 0x88nn
PDP11.opTRAP, // 0x89nn
PDP11.op8AXn_1170, // 0x8Ann
PDP11.op8BXn_1170, // 0x8Bnn
PDP11.op8CXn_1170, // 0x8Cnn
PDP11.op8DXn_1170, // 0x8Dnn
PDP11.opUndefined, // 0x8Enn
PDP11.opUndefined // 0x8Fnn
];
PDP11.aOps0AXn_1170 = [
PDP11.opCLR, // 0x0A0n
PDP11.opCOM, // 0x0A4n
PDP11.opINC, // 0x0A8n
PDP11.opDEC // 0x0ACn
];
PDP11.aOps0BXn_1170 = [
PDP11.opNEG, // 0x0B0n
PDP11.opADC, // 0x0B4n
PDP11.opSBC, // 0x0B8n
PDP11.opTST // 0x0BCn
];
PDP11.aOps0CXn_1170 = [
PDP11.opROR, // 0x0C0n
PDP11.opROL, // 0x0C4n
PDP11.opASR, // 0x0C8n
PDP11.opASL // 0x0CCn
];
PDP11.aOps0DXn_1170 = [
PDP11.opMARK, // 0x0D0n
PDP11.opMFPI, // 0x0D4n
PDP11.opMTPI, // 0x0D8n
PDP11.opSXT // 0x0DCn
];
PDP11.aOps8AXn_1170 = [
PDP11.opCLRB, // 0x8A0n
PDP11.opCOMB, // 0x8A4n
PDP11.opINCB, // 0x8A8n
PDP11.opDECB // 0x8ACn
];
PDP11.aOps8BXn_1170 = [
PDP11.opNEGB, // 0x8B0n
PDP11.opADCB, // 0x8B4n
PDP11.opSBCB, // 0x8B8n
PDP11.opTSTB // 0x8BCn
];
PDP11.aOps8CXn_1170 = [
PDP11.opRORB, // 0x8C0n
PDP11.opROLB, // 0x8C4n
PDP11.opASRB, // 0x8C8n
PDP11.opASLB // 0x8CCn
];
PDP11.aOps8DXn_1170 = [
PDP11.opMTPS, // 0x8D0n
PDP11.opMFPD, // 0x8D4n
PDP11.opMTPD, // 0x8D8n
PDP11.opMFPS // 0x8DCn
];
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