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Old 17 March 2006, 12:25   #1
alexh
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Parallel port emulation

Has any more work been done on parallel port emulation? For those who do not have an ethernet connection a Parnet / Pronet connection to their PC could help them transfer their files to the real amiga.
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Old 17 March 2006, 12:31   #2
Toni Wilen
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PC parellel port can't support parnet-style connection. (PC port's status pins are either input or output but parnet for example requires bidirectional Paper Out -signal)
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Old 17 March 2006, 13:06   #3
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Alexh, by using PC2Amiga (aminet) you can get a quite good Par-transfer. it's a fiddle to set up under Win2k and newer, but it's quite allright for WinME and below.
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Old 17 March 2006, 16:36   #4
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Ok, so BUSY, PAPER OUT, SEL are all bidirectional on the Amiga, and inputs only on the PC in all modes?

Hmmm.

Looking at the ParNet cable

http://pinouts.ru/data/ParNet_pinout.shtml

And looking at the PC SPP pinouts

http://www.technick.net/public/code/...pinconpar_pc#2

I wonder if a workaround could be created by cross connecting pins 14, 16 and 18?

I dont know if you have that kind of low level control of the printer port.

I guess it's not worth thinking about. For A1200/A600 a PCMCIA ethernet solution is cheaper than a custom cable.

I was really only thinking about superior transfer performance than serial for transferring to and from A500's.
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Old 18 March 2006, 10:17   #5
Toni Wilen
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BUSY, PAPER OUT = input
SEL = output

And no, it isn't worth the trouble..
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Old 18 March 2006, 11:47   #6
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Quote:
Originally Posted by Toni Wilen
BUSY, PAPER OUT = input
SEL = output

And no, it isn't worth the trouble..
I agree. I use removable IDE disk drive that I access via a USB2 to IDE interface on the PC side (mounting the HD with WinUAE). Ok, I have to switch off the amiga, but I get a huge transfer rate. And for small files, you still have floppy disks.
Not sure if the latest laptop PCs still have a parallel port. There isn't any on the Dell recent laptops (but there are quite a lot of USB2 ports )
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Old 20 March 2006, 15:29   #7
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Quote:
Originally Posted by alexh
I was really only thinking about superior transfer performance than serial for transferring to and from A500's.
You could have a look at http://www.boomerangsworld.de/apccomm/ -- it uses linux though.
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Old 20 March 2006, 16:13   #8
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Quote:
Originally Posted by Toni Wilen
SEL = output
You sure? All docs I can find have pin 13 (Select) marked as an input. It doesnt matter though.

Quote:
Originally Posted by Toni Wilen
And no, it isn't worth the trouble..
Ok, case closed.
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Old 20 March 2006, 18:19   #9
Toni Wilen
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You are right, SEL is input.

Lets try again..

Input: BUSY, PAPEROUT, SEL, ACK

Output: DRDY

BUSY, PAPEROUT and SEL are bidirectional in Amiga.
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