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Sinclair ZX INTERFACE 1 User Manual

Sinclair ZX INTERFACE 1
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Now to OPEN a stream to it, enter:
20 OPEN X3;“t”
30 LLIST
The border of the screen will flash and the listing will be sent to the peripheral.
(Notice that LLIST is shorthand for LIST #3.) Now enter:
LPRINT “This is a short message.”
This message, too, will be sent to the device.
If your ZX Interface is connected to a terminal or an RS232 device capable of
sending, then you can INPUT from the terminal or device. Enter this:
10 FORMAT “t”:baud rate
20 OPEN #4:“t”
-enter here the baud
30 PRINT INKEY$ s.44;
40 GO TO 30
Now, whatever you type on the terminal or device will appear on your screen.
The b channel
The b (or binary) channel sends the full 8 bit codes used by the Spectrum,
and allova you to send control codes to printers etc.
With INPUT and INKEY$ the b channel expects 8 bit characters.
SAVE and LOAD will only work with the b channel
If you are using modems to connect your computer with another Spectrum
over a ‘phone line; or if you are storing your programs on a different kind of
computer which also has an RS232 Interface, you may well want to SAVE
and LOAD over the RS232 Interface. To do this, enter:
FORMAT “b”:baod rate
I
Now, for example, enter:
10 REM figures
20 FOR n=l TO 10
30 PRINT n,n*RND
40 NEXT n
SAVE -%“b”
37

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Sinclair ZX INTERFACE 1 Specifications

General IconGeneral
BrandSinclair
ModelZX INTERFACE 1
CategoryComputer Hardware
LanguageEnglish