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Improved separation of FDC media parameters from drive parameters

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This commit is contained in:
Jeff Parsons 2014-10-20 00:24:13 -05:00 • committed by jeffpar
commit 1809543577
32 changed files with 1915 additions and 1887 deletions
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22
my_modules/pcjs-client/lib/x86op0f.js
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@ -34,10 +34,10 @@
"use strict";
if (typeof module !== 'undefined') {
var X86 = require("./x86");
var X86Grps = require("./x86grps");
var X86Help = require("./x86help");
var X86Mods = require("./x86mods");
var X86 = require("./x86");
var X86Grps = require("./x86grps");
var X86Help = require("./x86help");
var X86Mods = require("./x86mods");
}
var X86Op0F = {
@ -149,10 +149,10 @@ var X86Op0F = {
/*
* For VERR, if the code segment is readable and conforming, the descriptor privilege level
* (DPL) can be any value.
*
*
* Otherwise, DPL must be greater than or equal to (have less or the same privilege as) both the
* current privilege level and the selector's RPL.
*
*
* TODO: Consider making a CPL (current privilege level) variable that tracks segCS.sel, so that we
* don't have to mask segCS.sel every time.
*/
@ -187,7 +187,7 @@ var X86Op0F = {
/*
* DPL must be greater than or equal to (have less or the same privilege as) both the current
* privilege level and the selector's RPL.
*
*
* TODO: Consider making a CPL (current privilege level) variable that tracks segCS.sel, so that we
* don't have to mask segCS.sel every time.
*/
@ -261,8 +261,8 @@ var X86Op0F = {
* opLIDT(dst, src)
*
* The 80286 LIDT instruction expects a 40-bit operand: a 16-bit limit, followed by a 24-bit address;
* the ModRM decoder has already supplied the first word of the operand (in dst), which corresponds to the
* limit, so we must fetch the remaining 24 bits ourselves.
* the ModRM decoder has already supplied the first word of the operand (in dst), which corresponds to the
* limit, so we must fetch the remaining 24 bits ourselves.
*
* @this {X86CPU}
* @param {number} dst
@ -273,7 +273,7 @@ var X86Op0F = {
if (this.regEA < 0) {
X86Help.opInvalid.call(this);
} else {
this.addrIDT = this.getWord(this.regEA + 2) | (this.getByte(this.regEA + 4) << 16);
this.addrIDT = this.getWord(this.regEA + 2) | (this.getByte(this.regEA + 4) << 16);
this.addrIDTLimit = this.addrIDT + dst;
if (FASTDISABLE) this.setEAWord = this.setEAWordDisabled; else this.opFlags |= X86.OPFLAG.NOWRITE;
this.nStepCycles -= 12;
@ -389,7 +389,7 @@ X86Op0F.aOps0F = [
* the instructions in GRP6 and GRP7 only read their dst operand (eg, LLDT), which means the ModRM helper function
* must insure that setEAWord() is disabled, while others only write their dst operand (eg, SLDT), which means that
* getEAWord() should be disabled *prior* to calling the ModRM helper function. This latter case requires that
* we decode the reg field of the ModRM byte before dispatching.
* we decode the reg field of the ModRM byte before dispatching.
*/
X86Op0F.aOpGRP6Prot = [
X86Op0F.opSLDT, X86Op0F.opSTR, X86Op0F.opLLDT, X86Op0F.opLTR, // 0x0F,0x00(reg=0x0-0x3)