Retro/pcjs
Watch
1
0
Fork
You've already forked pcjs
 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Starting work on v1.16.4: fixed command-line (Node) version of PCjs

Browse source
This commit is contained in:
Jeff Parsons 2014-12-11 20:28:29 -08:00 • committed by jeffpar
commit 08261fa568
152 changed files with 1498 additions and 1373 deletions
Download patch file Download diff file Expand all files Collapse all files

6
modules/pcjs/lib/x86.js
View file

@ -193,10 +193,10 @@ var X86 = {
*
* Interrupts beyond 0x10 (up through 0x1F) are reserved for future exceptions.
*
* Implementation Detail: For any opcode we know must generate a UD_FAULT interrupt, we invoke opInvalid(),
* NOT opUndefined(). UD_FAULT is for INVALID opcodes, Intel's choice of "UD" notwithstanding.
* Implementation Detail: For any opcode we know must generate a UD_FAULT interrupt, we invoke opHelpInvalid(),
* NOT opHelpUndefined(). UD_FAULT is for INVALID opcodes, Intel's choice of "UD" notwithstanding.
*
* We reserve the term "undefined" for opcodes that require further investigation, and we invoke opUndefined()
* We reserve the term "undefined" for opcodes that require more investigation, and we invoke opHelpUndefined()
* ONLY until an opcode's behavior has finally been defined, at which point it becomes either valid or invalid.
* The term "illegal" seems completely superfluous; we don't need a third way of describing invalid opcodes.
*