Alright, I'll check that. It's strange because my unit came with an
Ultimate Rom II installed and that works fine.
The main ROM is new, taken from the Virtual-T image. I replaced the (c)
Microsoft and put my name in but other than that it's the same. I'll put
the original System ROM back in and see what happens.
Kurt
On 10/12/2015 9:00 PM, Stephen Adolph wrote:
I think you should check the main rom. There are a few different
versions out there - one works with REX and one doesn't. Also, check
which one VT is coming with. that's where teh difference lies.
you can write a basic program to compute main rom check sum. just add
numbers and let it roll over 64k. convert to hex and compare to
virtual T's rom.
Steve
On Mon, Oct 12, 2015 at 11:54 PM, Kurt McCullum <kurt.mccul...@att.net
<mailto:kurt.mccul...@att.net>> wrote:
I'm looking for some thoughts on a problem I am having with a
Sardine OptRom. I have made two orders from an outfit that will
burn eproms for me. Both times I've sent the binary image of the
Sardine ROM and neither one works.
Steve Adolph was kind enough to send me a program to download the
OptRom to a hex file on my PC. Now here is where things get
strange. I take the HEX file that I created from the non-working
OptRom, convert it into binary, and load it into Virtual-T.
Everything works perfectly.
But when I go back to the NEC and type (POKE 63911,1:EXEC 62394)
it clears the screen and hangs. Upon reset, I can see the TWORD+
file along with CONFIG.DO and WORDS.DO. All of that tells me that
the initialization is working. But the program just hangs.
The eproms are both 150ns, just like the RAM and system rom.
I'm stuck on this one. Any thoughts?
Kurt
