Search found 650 matches

by iss
Mon Dec 30, 2013 8:47 pm
Forum: General Discussion
Topic: Looking for The Quill Adventure System (tap/dsk)
Replies: 8
Views: 7956

Re: Looking for The Quill Adventure System (tap/dsk)

The Quill can be downloaded from 'The Oric Site'. Hope this helps :).
by iss
Wed Dec 25, 2013 10:45 am
Forum: Technical questions
Topic: Noisy Atmos
Replies: 5
Views: 5657

Re: Noisy Atmos

From where come these sounds ? (from internal speaker or from attached TV).
Else, if something need to be replaced then the "usual suspects" are AY-3-8192 or/and VIA6522.
by iss
Tue Dec 24, 2013 3:36 pm
Forum: General Discussion
Topic: Christmas
Replies: 9
Views: 5889

Re: Christmas

Merry Christmas to all !
by iss
Tue Dec 17, 2013 1:15 pm
Forum: Mags and books
Topic: Programming the 6502 - Rodnay Zaks
Replies: 20
Views: 15284

Re: Programming the 6502 - Rodnay Zaks

Here can be found good scan of Zak's book and more...
My post should not discourage buying paper books but sometimes the free space for them is so limited.
by iss
Mon Dec 16, 2013 11:57 pm
Forum: Hardware hacks and extensions
Topic: Microdisc replacement project
Replies: 183
Views: 100458

Re: Microdisc replacement project

I'm glad to help! Unfortunately, this is just diagnose and not fix. The easiest what I can suggest is to try another SD-Card :). Else, the execution fails exactly here (in function 'card_read'): /* Wait until 0xFE is received */ while ((card_response = SPI(0xFF)) == (uint8_t) 0xFF); if (card_respons...
by iss
Mon Dec 16, 2013 11:24 pm
Forum: Hardware hacks and extensions
Topic: Microdisc replacement project
Replies: 183
Views: 100458

Re: Microdisc replacement project

After quick walk trough code I found obvious case which can lead to program freeze exactly as in attached picture. Probably the reason is SD-Card read error: In function 'update_firmware', if 'card_read(sector, sector_buffer)' fails, then execution returns silently to 'main' and sleeps forever witho...
by iss
Mon Dec 09, 2013 12:57 am
Forum: Hardware hacks and extensions
Topic: What does everyone think of this?
Replies: 15
Views: 13619

Re: What does everyone think of this?

This dual floppy system is produced by jorodr.
As you can see, hi has 100% positive feedback in ebay. I can recommend the system too.
by iss
Thu Dec 05, 2013 10:40 am
Forum: Operating systems
Topic: Bootsector format?
Replies: 14
Views: 14859

Re: Bootsector format?

... what we care is about a disk format that can be read by the hardware/bios of the controller. Good. (Generally conventions states that track numbers are zero based and sector numbers are one based) ((Generally true only for PC because of BIOS int 13h else in Dos8D and in the original Apple][ DOS...
by iss
Wed Dec 04, 2013 10:06 am
Forum: Operating systems
Topic: Bootsector format?
Replies: 14
Views: 14859

Re: Bootsector format?

Hi Dbug, the task you started is real challenge. I follow discussion with big interest and I'm ready to help with Pravetz compatibility. Unfortunately the structure and the whole "architecture" of Dos8D is completely different from Sedoric. Important are some limitations of hardware: - 35 tracks / 1...
by iss
Tue Nov 26, 2013 9:45 pm
Forum: Cross development tools
Topic: Native OSDK for Linux and OSX possible?
Replies: 14
Views: 16087

Re: Native OSDK for Linux and OSX possible?

yep, you are right - no need of duplicates.
by iss
Tue Nov 26, 2013 9:35 pm
Forum: Cross development tools
Topic: Native OSDK for Linux and OSX possible?
Replies: 14
Views: 16087

Re: Native OSDK for Linux and OSX possible?

bin2c - well known utility to convert binary file to c - source code.
dxa (disassembler), file65, ldo65 and reloc65 are parts of XA.
by iss
Tue Nov 26, 2013 1:54 am
Forum: Cross development tools
Topic: Native OSDK for Linux and OSX possible?
Replies: 14
Views: 16087

Re: Native OSDK for Linux and OSX possible?

Sure! It's ugly - but in last 2 days I worked from ~7-8 different places and I used git as dropbox :). BitBucket has its own imagination how git works too. So what is in history is not relevant at all. Anyway, my idea was you just to download from git modified sources, then checkout DF svn and run s...
by iss
Tue Nov 26, 2013 12:28 am
Forum: Cross development tools
Topic: Native OSDK for Linux and OSX possible?
Replies: 14
Views: 16087

Re: Native OSDK for Linux and OSX possible?

Today I added: bin2c, dxa, file65, ldo65, reloc65, tap2wav, txt2bas, 4k8totap, 4k8towav, wav2tap, wavclean.
No problems with compilation at all.
by iss
Tue Nov 26, 2013 12:20 am
Forum: Games
Topic: Fast scrolling game howto, anyone?
Replies: 229
Views: 113410

Re: Fast scrolling game howto, anyone?

Wow! I like SFX and Screen calibration routine!
I have a small request: can you pls dump the value after calibration when using Oricutron and real Oric?
I'm very interested is it 19966 or 20000 :).
by iss
Mon Nov 25, 2013 2:16 am
Forum: Cross development tools
Topic: Native OSDK for Linux and OSX possible?
Replies: 14
Views: 16087

Re: Native OSDK for Linux and OSX possible?

I prepared osdk - the Linux port of the OSDK as git repository hosted at BitBucket : https://bitbucket.org/iss/osdk . Info about installation and basic usage can be found in README file. Last added utilities makedisk, mym2ym and ym2mym are included too :wink:. @Dbug : All changes in source files are...