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G4IJE > ARCHIM 15.10.95 00:56l 35 Lines 1558 Bytes #999 (0) @ EU
BID : 49767_GB7DAA
Read: GUEST
Subj: RiscPC serial port SSTV
Path: DB0AAB<DB0PV<DB0MFG<OE7XCI<IW3AQL<IN3TUR<IK4NZD<IW2KTL<IK2FMJ<IW4CNQ<
IK4OMO<GB7MSF<GB7BMX<GB7SAN<GB7BMR<GB7IOM<GB7FCI<GB7OAR<GB7SAM<GB7MAX<
GB7COV<GB7WAR<GB7AVM<GB7BEN<GB7BED<GB7ZPU<GB7DAA
Sent: 951008/0936Z @:GB7DAA.#33.GBR.EU #:49767 $:49767_GB7DAA [Ware, Herts]
From: G4IJE@GB7DAA.#33.GBR.EU
To : ARCHIM@EU
PSCAN - SSTV via the serial port of the Acorn Risc PC - FREE!
-------------------------------------------------------------
Hi all. I am writing a comprehensive SSTV program for the Risc PC that
requires only a very simple (and cheap) "HamComm" style interface of the
type used with programs like JVFAX and GSH on the PC. Ready-made interfaces
can be bought from a number of sources (NOT from me - this is NOT an
advert!) or can be very easily home-brewed. The most basic circuit uses only
one op-amp and a few resistors, capacitors and diodes for complete RX and TX
operation.
The program (provisionally called "PSCAN") will not run on anything earlier
than a Risc PC 600, and although not tested, should be fine on the new Risc
PC 700. It *may* work on the A7000 but this is less certain. At least 4 MB
of RAM is required and the 600/700 machines must have 1 MB of VRAM. PSCAN
uses a fixed screen mode that is 640 x 512 x 32K colours. A suitable monitor
definition file for the Acorn AKF60 monitor is available.
Although I have written the program for my own use, I would be happy to send
a copy of the program to anyone interested on receipt of a formatted ADFS
disk and a stamp or SAE. Initially, rather brief instructions will be
provided; hopefully a more comprehensive manual will follow later. PSCAN
should be ready for release around the middle of October. If you would like
to know more, please get in touch via packet.
73 de Paul G4IJE @ GB7DAA.
[ Message sent at 10:37 on Sun,08 Oct 1995 ]
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