Search found 1445 matches

by CunningFellow
Sat Jun 14, 2014 9:33 am
Forum: Games & Demos
Topic: Tempest is possible
Replies: 704
Views: 329557

Re: Tempest is possible

And here they are in Atari SAP format for the Pokey

http://karaokeportland.com/atlantis/tempest.html
by CunningFellow
Fri Jun 13, 2014 6:47 am
Forum: Games & Demos
Topic: Tempest is possible
Replies: 704
Views: 329557

Re: Tempest is possible

what are peoples opinions on the possibility of this

http://modarchive.org/index.php?query=i ... sed_artist

play t2000-5.mod

on that page.
by CunningFellow
Fri Jun 13, 2014 1:05 am
Forum: Programming & Software
Topic: expanding the MMC functions
Replies: 6
Views: 3028

Re: expanding the MMC functions

Are there any reserved GPIO bits used by the kernel ? I wish to use GPIO bits to keep track of MMC state as I don't have time to use RAM If reserving GPIO bits is open, I also would like to reserve a bit for "video initialized". I am already using a GPIOR0:0 for this as Tempest has that tr...
by CunningFellow
Thu Jun 12, 2014 7:31 am
Forum: Programming & Software
Topic: Best way to find a file
Replies: 4
Views: 2596

Re: Best way to find a file

OK. I think the tempest BMP file is going to have to be the the first file recorded onto a blank card so it can work.

It should not take very long to search for a marker.
by CunningFellow
Thu Jun 12, 2014 5:22 am
Forum: Programming & Software
Topic: expanding the MMC functions
Replies: 6
Views: 3028

Re: expanding the MMC functions

Functions/macros to allow code to 1, Cue up a multi sector read during VBI so that it is ready to read on the fly during render time. 2, Reading "stuff tokens" between sectors with set clock cycles for inter sector house keeping in HBI 3, Other stuff The kind of things that will allow SD c...
by CunningFellow
Thu Jun 12, 2014 3:12 am
Forum: Programming & Software
Topic: Best way to find a file
Replies: 4
Views: 2596

Re: Best way to find a file

That is what I did to start with.

I put the word "wibble" at the start of the file and searched for it.

May stick to that method
by CunningFellow
Thu Jun 12, 2014 2:39 am
Forum: Programming & Software
Topic: expanding the MMC functions
Replies: 6
Views: 3028

Re: expanding the MMC functions

OK - so I needs it to cover loading the background 1BPP bitmap for Tempest.

I will also make sure it can support the mode7 video mode

What I think it would need for Gauntlet and a Real Time Strategy engine

Any other use cases ?
by CunningFellow
Thu Jun 12, 2014 1:17 am
Forum: Programming & Software
Topic: expanding the MMC functions
Replies: 6
Views: 3028

expanding the MMC functions

Has anyone written nice/neat routines for doing the multi block read functions on SD/MMC yet? I have some messy ones myself now, and there are some other hacky ones in the video demo. I think for moving FWD in using the SD card for on the fly things for stuff like Tempest and Gauntlet it would be ni...
by CunningFellow
Thu Jun 12, 2014 12:44 am
Forum: Programming & Software
Topic: Best way to find a file
Replies: 4
Views: 2596

Best way to find a file

What is the best way to find a file on the SD card? This is for the bitmap storage for tempest. I have mmc.h included for init-ing the SD card. I am however not using any of the built in read functions because I don't want to buffer 512 bytes. At the moment I have just hard coded the start sector of...
by CunningFellow
Wed Jun 04, 2014 1:38 am
Forum: Programming & Software
Topic: Sound Engine Enhancements
Replies: 6
Views: 4018

Re: Sound Engine Enhancements

I don't do "audio", but I will lend a hand optimizing ASM if need be.

I can sometimes spot a cycle or two saving when looking at things with ADDs, MOVs and ANDs in