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v1.20.1: Updated touch support to improve tablet operation

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This commit is contained in:
Jeff Parsons 2015-10-31 15:22:01 -07:00
commit b0bac10944
141 changed files with 839 additions and 775 deletions
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10
modules/pcjs/lib/x86ops.js
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@ -2948,14 +2948,14 @@ X86.opSTOSb = function()
* isn't a rock-solid implementation of the errata (for example, the ADDRESS override on the next
* instruction, if it exists, may or may not be the first prefix byte), but it's close enough.
*
* Note that we carefully monkey with maskAddr only AFTER updating ECX, because this errata affects
* only EDI in the case of STOS. The other instructions mentioned below monkey with different
* registers, so read the errata carefully.
* Note that we carefully alter with maskAddr only AFTER updating ECX, because this errata affects
* only EDI in the case of STOS. The other instructions mentioned below trash different registers,
* so read the errata carefully.
*
* TODO: Extend this errata to STOSW, as well as MOVSB, MOVSW, INSB, and INSW. Also, verify the
* extent to which this errata existed on earlier 80386 steppings (I'm currently assuming A0).
* extent to which this errata existed on earlier 80386 steppings (I'm currently assuming A0-B1).
*/
if (this.stepping >= X86.STEPPING_80386_A0 && this.stepping <= X86.STEPPING_80386_B1) {
if (this.stepping >= X86.STEPPING_80386_A0 && this.stepping <= X86.STEPPING_80386_B2) {
if (!(this.opPrefixes & X86.OPFLAG.ADDRSIZE) != (this.getByte(this.regLIP) != X86.OPCODE.AS)) {
maskAddr ^= (0xffff0000|0);
}