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| Poster | Thread |  CosmosUnivers
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Looking for CD32 beta tester(s) for a new cd.device
Posted on 15-Dec-2025 6:28:46
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Regular Member
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Joined: 20-Sep-2007
Posts: 117
From: Unknown | | |
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| Hi all !
I'm looking a for CD32 owner(s) for checking my new cd.device :
==> https://leblogdecosmos.blogspot.com/2025/12/cddevice-4030.html
You need to have a real CD32 (no emulation) for checking CDs, doing benchmarks, verify files integrity...
You can use of course LoadModule for loading my new versions, or burning in eproms, as you want...
I already have many new versions, need deep checking now ! |
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| | Tpod
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Re: Looking for CD32 beta tester(s) for a new cd.device
Posted on 15-Dec-2025 11:22:01
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Regular Member
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Joined: 16-Oct-2009
Posts: 196
From: UK | | |
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| @CosmosUnivers
Could you explain what real benefits your new cd.device offers to CD32 users (or other Amiga users) compared to the current cd.device? I do have a couple of CD32's so I'm interested (no expansions attached to either & have never burned my own roms so obviously I can't help with testing). _________________
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| | CosmosUnivers
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Re: Looking for CD32 beta tester(s) for a new cd.device
Posted on 15-Dec-2025 11:40:25
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Regular Member
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Joined: 20-Sep-2007
Posts: 117
From: Unknown | | |
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| @Tpod
There is a lot to do in removing useless code and reduce this .device in size...
After that, the slow hardware access and/or the slow CPU 020 may kill all the work...
I saw that with the scsi.device on the A1200 with Gayle PIO0...
That's why I need some checkers on the real hardware, to see if a real improvement is possible or not !
Anyway, you don't need to flash eproms, using 'LoadModule' (on Aminet), you can load theses new versions from an HD/CF...
You need of course some IDE, Commodore should have put it in the CD32 and sell it with CD on IDE and without HD, but that's another mistake and story... Last edited by CosmosUnivers on 15-Dec-2025 at 12:09 PM.
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| | CosmosUnivers
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Re: Looking for CD32 beta tester(s) for a new cd.device
Posted on 15-Dec-2025 12:02:46
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Regular Member
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Joined: 20-Sep-2007
Posts: 117
From: Unknown | | |
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| One example, the original (20 bytes) :
Quote:
_BCDtoBIN
move.w d0,d1 ; isolate one's digit
andi.w #$000F,d1
lsr.w #4,d0 ; isolate ten's digit
andi.w #$000F,d0
mulu.w #10,d0 ; multiply ten's digit
add.w d1,d0 ; add one's digit
rts |
This one is faster or not (14 bytes) on a 020 ?
Quote:
_BCDtoBIN
moveq #16,d1
divul.l d1,d1:d0
mulu.w #10,d0 ; multiply ten's digit
add.w d1,d0 ; add one's digit
rts
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Or this one (18 bytes) :
Quote:
_BCDtoBIN
unpk d0,d1,#0
lsr.w #8,d1
mulu.w #10,d1
andi.w #$000F,d0
add.w d1,d0
rts
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Good question...
Last edited by CosmosUnivers on 15-Dec-2025 at 12:34 PM.
Last edited by CosmosUnivers on 15-Dec-2025 at 12:10 PM.
Last edited by CosmosUnivers on 15-Dec-2025 at 12:08 PM.
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