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Forums > C64 Coding > IRQ-loader toolchain for KickAss/Windows?
2015-06-09 23:42
Shadow

Registered: Apr 2002
Posts: 313
IRQ-loader toolchain for KickAss/Windows?

So, the one and only time I tried making an IRQ-loading demo I swore I would never, ever try that again.
Now I guess the memory has faded enough that I'm perhaps starting to reconsider! :)

Back then I used Dreamload and Exomizer, however putting it together was a complete pain in the ass.
I don't recall exactly what the trouble was, but I think it was the fact that the de-exomizer needed to point to the end of the packed data, which meant I had to compile the parts I wanted to load, exomize them, manually note the lengths, and then enter that length in another source where I had the general part-loader as indata to the deexomizer. Every little change meant redoing that procedure since the packed length always differed a bit.

Has anyone some more plug-and-play-ready solutions? I know there is lft's Spindle system, but that seems a bit too specific in the way you have to do things, and also kind of Linux-centric.

I would prefer working from Windows and using KickAssembler.
 
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2017-10-06 21:22
soci

Registered: Sep 2003
Posts: 363
On emulator I've meant VICE.

It seems it doesn't even start with the 1541U-II I have with me which means it need to wait at least a week or so...
2017-10-06 21:55
Groepaz

Registered: Dec 2001
Posts: 8216
VICE isnt perfectly right with this kind of things either, beware :)
2017-10-06 22:09
soci

Registered: Sep 2003
Posts: 363
Should have checked earlier but the loading and $dd00 manipulation does not happen at the same time so it could be something else.
2017-10-06 23:17
JackAsser

Registered: Jun 2002
Posts: 1243
Quote: Should have checked earlier but the loading and $dd00 manipulation does not happen at the same time so it could be something else.

Just speculating here. The loader might poll anything while not loading putting it into an illegal stale when manipulating $dd00, even outside loading? or?
2017-10-06 23:40
Groepaz

Registered: Dec 2001
Posts: 8216
somehow i have a dejavu right now =)
2017-10-07 23:09
Krill

Registered: Apr 2002
Posts: 843
Quoting JackAsser
Just speculating here. The loader might poll anything while not loading putting it into an illegal stale when manipulating $dd00, even outside loading? or?
It doesn't poll anything when idle because it's simply not being executed. :) However... writing anything in $00..$ff to $dd00 when not loading requires the config option IDLE_BUS_LOCK to be enabled, otherwise you're still limited to the usual 0..3 range to set the VIC bank.
2017-10-09 12:56
Bitbreaker

Registered: Oct 2002
Posts: 427
Question is, why would we want to write anything else than $00..$03 to $dd00 in a demo? Stop that expensive and unnecessary masking already :-)
2017-10-09 13:07
Groepaz

Registered: Dec 2001
Posts: 8216
lda fpptable,x
sta $d018
sta $dd00

?
2017-10-09 13:08
Bitbreaker

Registered: Oct 2002
Posts: 427
ldx #$03
lda fpptable,y
sta $d018
sax $dd00

;-)
2017-10-09 13:13
Krill

Registered: Apr 2002
Posts: 843
Right, because you can always afford to waste the X register just for some $dd00 masking :)
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