EXTERNAL INTEGRATION: SYSTEM CALLS (ON COMMODORE 128)

This small example explains how to invoke Commodore 128 system functionalities. Please note that this is only an example, and that you need to have a good understanding of how the KERNAL and BASIC works in order to use this functionality. In order for this example to work, it needs access to the import file invoked in the first line (IMPORT DECLARES). The file is located in the "/imports" folder, and is downloaded automatically by the IDE from version 1.14.1 onwards.

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SOURCE CODE ()

IMPORT DECLARES

CLS

PRINT "---------------------------------------"
PRINT "--- ugBASIC : SYS EXAMPLE C128"
PRINT "---------------------------------------"

PRINT "This example will work only "
PRINT "                    under Commodore 128"

PROCEDURE example ON C128

	PRINT "Press any key..."
	
	DO
		scnkey[]
		c = getin[]
		IF c <> 0 THEN
			PRINT "(key pressed!)"
		ENDIF
	LOOP
	
END PROC

example[] ON C128

How to compile and run the example

The instructions here refer to compiling the example from the command line. For Microsoft Windows users we suggest using UGBASIC-IDE, which allows you to download and compile each single example with just one click.



Are instructions for your specific home computer / console missing? First of all, check if your computer is supported by clicking here. If so, since ugBASIC is a language which does not provide abstractions, it is possible that this example will not work on your target. If you think this is an issue, please click here.

Commodore 128 (CPU 8502)

In order to compile the example, type this command on the command line:

Linux

ugbc.c128 -O prg -o sys_example_c128.prg sys_example_c128.bas

Windows

ugbc.c128.exe -O prg -o sys_example_c128.prg sys_example_c128.bas

For Microsoft Windows users we suggest using UGBASIC-IDE, which allows you to download and compile this example with just one click.

Any problem?

If you have found a problem trying to run this example, if you think there is a bug or, more simply, you would like it to be improved, open an issue for this example on GitHub.
Thank you!

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