Search found 81 matches

by kodak80
Sun Oct 21, 2018 5:35 am
Forum: CHAT FORUM
Topic: Need to set up new Ultrasatan SD Card
Replies: 5
Views: 89

Re: Need to set up new Ultrasatan SD Card

Hi All, Looks like my SD card on the ultrasatan has failed. Does anyone know where there is a Newbie guide to setting up the Ultrasatan SD cards etc? Thanks in Advance. Found this on Lotharek's site https://lotharek.pl/productdetail.php?id=47 under the FAQ tab: Q: After few reads/writes to SD CARD ...
by kodak80
Sat Oct 20, 2018 11:30 pm
Forum: STF REMAKE PROJECT
Topic: DMA port "update" ideas..
Replies: 62
Views: 614

Re: DMA port "update" ideas..

It probably would be ok if your not copying files to or from the hard drive to floppy... I need to get a new gigafile at some point as well.. Was half wondering if we should use the gigafile connector instead of the DB19.. GF would plug right into the STF then. Likely we can route power to the port...
by kodak80
Sat Oct 20, 2018 11:14 pm
Forum: ALPHA USER BUILDS
Topic: kodak80 progress
Replies: 28
Views: 678

Re: kodak80 progress

With Parallel pin 6 connected to YM-2149 pin 9, PARCP now connects and works so I can confirm that this fix works. I successfully transferred files to the SatanDisk C: drive through the PARCP. :D I have also copied a number of floppies to the SatanDisk C: drive and so far no corruption. That said, I...
by kodak80
Sat Oct 20, 2018 10:28 pm
Forum: ALPHA USER BUILDS
Topic: kodak80 progress
Replies: 28
Views: 678

Re: kodak80 progress

PaulJ wrote:
Sat Oct 20, 2018 7:47 pm
[
Kodak80, check my build progress, I just found an open line on my parallel board and fixed. Maybe you have the same issue.
Cool. Thanks PaulJ for finding that. I will add a wire this morning and test the PARCP again. :D
by kodak80
Sat Oct 20, 2018 10:49 am
Forum: STF REMAKE PROJECT
Topic: Parallel port
Replies: 8
Views: 84

Re: Parallel port

I have swapped the 2149 chip and same results so not the chip. All IOB pins on the 2149 chip are showing as connected to VCC when I do a continuity check with my multi-meter. Not sure how a soldering short would connect all IOB pins to VCC? Also, not sure how I would have made this happen on 2 boards.
by kodak80
Sat Oct 20, 2018 5:48 am
Forum: STF REMAKE PROJECT
Topic: Parallel port
Replies: 8
Views: 84

Re: Parallel port

I have tested continuity with a multi-meter on the 2149 between pin 8 (IOB5) and pin 40 (VCC) on both of my boards and it looks like they are connected. I cannot see any obvious soldering shorts. I am guessing that they shouldn't be? Reading the data sheet for the 2149, the IO bus pins have a pull-u...
by kodak80
Sat Oct 20, 2018 3:50 am
Forum: STF REMAKE PROJECT
Topic: Parallel port
Replies: 8
Views: 84

Parallel port

Hi everyone

I tried using PARCP on my 2nd board and it fails to work which may mean either I have some dodgy soldering or the port pins are not correct.
IMG_2010[1].JPG
IMG_2010[1].JPG (4.17 MiB) Viewed 84 times
by kodak80
Sat Oct 20, 2018 3:42 am
Forum: BENCHMARKS
Topic: STF Remake Benchmarks
Replies: 13
Views: 556

Re: STF Remake Benchmarks

rpineau wrote:
Sat Oct 20, 2018 3:29 am
Your comparing a blitter enable benchmark vs a machine without blitter ...
Phew, well spotted. I have re-run the STFM1048 tests and I get the 99% so all good. Thank you.
by kodak80
Sat Oct 20, 2018 2:58 am
Forum: ALPHA USER BUILDS
Topic: kodak80 progress
Replies: 28
Views: 678

Re: kodak80 progress

OK, status update for me: Video output seems a bit dark on my NEC LCD with both boards. My video adapter I created does not have any resistors in it at the moment. Currently do not have my video cable connected for audio so no sound at the moment. 1st board All modifications completed (except video ...
by kodak80
Sat Oct 20, 2018 2:48 am
Forum: BENCHMARKS
Topic: STF Remake Benchmarks
Replies: 13
Views: 556

Re: STF Remake Benchmarks

Here is the benchmarks from my 2nd board. Something is not right with the video performance:
IMG_1996.JPG
IMG_1996.JPG (3.62 MiB) Viewed 58 times