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RSX

49 bytes added, 00:53, 24 April 2007
<b>RSX</b> (<b>R</b>esident <b>S</b>ystem e<b>X</b>tensions) were a way to extend the command set of Locomotive BASIC, e.g. for accessing external peripherals like disk drives, light pens, speech synthesizers and so on.
RSX commands can be distinguished from normal commands by the preceeding preceding pipe symbol "'''| '''" (Also also called "RSX bar", "RSX pipe" or "RSX slash").
Some of the best known RSX commands are the ones provided by AMSDOS, as they were present on all CPC664, CPC6128, 6128plus CPC6128+ and CPC464 with DDI-1:
<b>'''|A'''<br /b><br>
Makes drive A: the current work drive
<b>'''|B'''<br /b><br>
Makes drive B: the current work drive
<b>'''|CPM'''<br /b><br>
Starts CP/M (or other systems) from a system disk
<b>'''|DISC'''<br /b><br>
Switches back to disk drive use after |TAPE
<b>'''|TAPE'''<br /b><br>
Makes the CPC use the tape recorder for file access
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