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

Blog updates

Browse source
This commit is contained in:
Jeff Parsons 2015-12-10 15:12:21 -08:00
commit abb77fe5c9
8 changed files with 131 additions and 45 deletions
Download patch file Download diff file Expand all files Collapse all files

27
blog/2015/09/21/README.md
View file

@ -1,27 +0,0 @@
Windows 95 In Your Web Browser
---
Today, the last serious bug preventing a successful boot of Windows 95 was fixed. I won't bore you with
the details.
OK, I will: three arithmetic instructions (specifically, **AND**, **OR** and **XOR**) include a variation that
converts an immediate signed byte into a signed word. Those variations were failing to truncate the result when
a 16-bit operand size was in effect, and if the destination was a register, the upper 16 bits of that register
could become corrupted.
The [Windows 95 Test Machine](/devices/pc/machine/compaq/deskpro386/vga/4096kb/) hard disk has been updated
with a complete set of Windows 95 files from a "Compact" installation, and first boot has finished, so instead
of the initial "Getting ready to run Windows 95 for the first time..." splash screen, you'll see the normal
Windows 95 startup screen.
The machine is still a bit finicky. It easily gets confused about the state of its shift keys if you switch away
from the browser and then back again. And Explorer windows don't open in the correct view; for example, both
**My Computer** and **Recycle Bin** open the same (incorrect) view. In short, there are still some serious bugs
to be resolved, but booting has been achieved.
The adventure continues.
[Embedded DeskPro 386](/devices/pc/machine/compaq/deskpro386/vga/4096kb/machine.xml "PCjs:deskpro386")
*[@jeffpar](http://twitter.com/jeffpar)*
*September 21, 2015*