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

Fixed ASRB and RORB instructions, added a new dump command ("ds"), and fixed timer function initialization

Browse source
This commit is contained in:
Jeff 2016-11-10 06:10:54 -08:00 • committed by Jeff Parsons
commit eb6bf8a5a5
9 changed files with 434 additions and 408 deletions
Download patch file Download diff file Expand all files Collapse all files

2
modules/pdp11/lib/cpuops.js
View file

@ -140,7 +140,7 @@ PDP11.fnASR = function(src, dst)
*/
PDP11.fnASRB = function(src, dst)
{
var result = (dst & 0x800) | (dst >> 1) | (dst << 8);
var result = (dst & 0x80) | (dst >> 1) | (dst << 8);
this.updateShiftFlags(result << 8);
return result & 0xff;
};