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AuthorTopic: Classic System Development  (Read 1352 times)

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Offline amigakit

Classic System Development
« on: April 02, 2021, 04:48:06 PM »
For some years we have been developing new system software for Classic machines from the ground upwards.  The development process has been challenging at times with lots of educated guesswork and trial and error.  We are nearing an initial public release this year.

Some of the software already developed has been ported to Next Generation systems and included in the recent Enhancer Software Release 2. 

We have synchronised the code base across Classic and Next Generation as much a practical.  Once mature we will build upon this foundation.


« Last Edit: April 02, 2021, 05:09:14 PM by amigakit »
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Offline amigakit

Re: Classic System Development
« Reply #1 on: April 02, 2021, 04:50:40 PM »
The most recent command developed is:

SetChipset

It is at the beginning of the startup-sequence and can take optional arguments:  OCS, ECS or AGA

It enables the higher screen resolutions offered by more advanced custom chips being present.

By default it enables the best chipset mode.
« Last Edit: April 02, 2021, 05:09:37 PM by amigakit »
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Offline kolla

Re: Classic System Development
« Reply #2 on: April 03, 2021, 05:25:41 PM »
What ever for? Setpatch doesn’t work well enough? Is this part of a grand master plan of replacing the OS byte for byte?
And what happens if you provide OCS as argument on AGA system?
B5D6A1D019D5D45BCC56F4782AC220D8B3E2A6CC
---
A3000/060CSPPC+CVPPC/128MB + 256MB BigRAM/Deneb USB
A4000/CS060/Mediator4000Di/Voodoo5/128MB
A1200/Blz1260/IndyAGA/192MB
A1200/Blz1260/64MB
A1200/Blz1230III/32MB
A1200/ACA1221
A600/V600v2/Subway USB
A600/Apollo630/32MB
A600/A6095
CD32/SX32/32MB/Plipbox
CD32/TF328
A500/V500v2
A500/MTec520
CDTV
MiSTer, MiST, FleaFPGAs and original Minimig
Peg1, SAM440 and Mac minis with MorphOS
 

Offline TribbleSmasher

Re: Classic System Development
« Reply #3 on: April 03, 2021, 05:34:09 PM »
And what happens if you provide OCS as argument on AGA system?
Three out of four RAM chips will explode and 16 address lines will burn marks into the main board.
 

Offline QuikSanz

Re: Classic System Development
« Reply #4 on: April 03, 2021, 08:51:21 PM »
Nice one! ;D ;D
 

Offline SamuraiCrow

Re: Classic System Development
« Reply #5 on: April 05, 2021, 07:03:22 PM »
It's good to hear about the progress on AmigaOS 3.x.

Re:chipset changing
Remember that the early startup menu would attempt to degrade chipsets in about the same way.  That's the main idea here, I'd imagine.