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Forums > CSDb Entries > Release id #152591 : SD2IEC Kernal 1.0
2017-01-08 00:15

Registered: Feb 2006
Posts: 18
Release id #152591 : SD2IEC Kernal 1.0

(Moving the discussion of wedge to a forum post)

If feasible, it would be nice to get the Big Three DOS wedge commands:

@ (command channel)
/ (load ,8)
% (load ,8,1)

The browser is a nice option, but the direct route is handy as well if both can be supported.
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2017-01-15 15:44

Registered: Mar 2009
Posts: 492
Guess WITHIN browser everything's fine, my wish for F-Keys referred to mere KERNAL outside browser
2017-01-15 21:42

Registered: Oct 2012
Posts: 27
CRT had the request for the auto-run from the browser, and it seems like a nice idea to me. I just added it and it even did not cost a single byte (I still had the load/run string in which proved to be useful now, unbelievable how wasteful I was with memory :-)).

BTW: I did remove the possibility to use the wedge commands in Basic programs and saved some bytes by doing so. It seems utterly wrong to me to rely on a modified kernal or a loaded wedge in a Basic program.

Function keys and .lst file support are next on the list.
2017-01-15 23:54

Registered: Feb 2006
Posts: 18
The classic convention for load-and-run is ^ (up-arrow). Is that too costly in terms of bytespace so you can leave / as a standard ,8 load?
2017-01-16 05:10

Registered: Oct 2012
Posts: 27
I estimate it costs 25 bytes including a respective help text on the screen. Let's see how much the .lst support costs, potentially that does not fit in anyway anymore. In this case arrow-up might be a candidate to use up the final bytes.

BTW: F1=run and F3=list are in now, currently there are 66 bytes left.
2017-01-16 22:25

Registered: Oct 2012
Posts: 27
Swap lists can now be loaded from the browser, 27 bytes left...
2017-01-21 22:03

Registered: Mar 2009
Posts: 492
important suggestion:
Please try to user Upper Font as Default in Browser
2017-01-22 07:07

Registered: Oct 2012
Posts: 27
Yeah, I also thought about that. It negatively impacts the display of directory art in disk images, but I guess more often you will list folders that have been created on PCs.

I am currently ironing out the last bugs, hopefully 2.0 is ready soon...
2017-01-23 22:12

Registered: Oct 2012
Posts: 27
I just uploaded version 2:


I think I had my share of kernal hacking now. Some requested features made it in, some just did not fit. Only 2 bytes free in the end after lots of squeezing, all the low hanging fruits are exploited and further size reduction needs more work than seems worthwhile to me.

I added the source code, so feel free to mangle to your liking :-).
2017-01-25 19:44

Registered: Mar 2009
Posts: 492

will flash KERNAL and check soonish.

Thx for the update!
2017-04-24 16:52

Registered: Apr 2003
Posts: 16
A new kernal with integrated file browser was just released:


This is a mod of JiffyDOS so has all jiffydos functionality in-tact plus a good file browser (500+ entries), file copier and enhanced dos wedge commands for sd2iec usage.
It has customizable colours and function key definitions.
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