The Programmer's Guide to TRSDOS Version 6 - Tim Mann's Home ...

@CKBRKC SVC-106 Check for keyboard BREAK
@CLS SVC-105 Clear the Video screen
7.5.8 System Data
Name Svc # Purpose
@VDCTL SVC-15 Obtain the video cursor position
@DATE SVC-18 Obtain system date
@TIME SVC-19 Obtain the system time
@CKDRV SVC-33 Check disk drive availability (& log)
@DODIR SVC-34 Obtain or display directory data
@RAMDIR SVC-35 Obtain directory information
@GTDCT SVC-81 Obtain DCT pointer given drive
@GTDCB SVC-82 Obtain DCB pointer given devspec
@GTMOD SVC-83 Obtain entry point given module name
@RDSSC SVC-85 Read a disk's directory sector
@DIRRD SVC-87 Read a DEC's directory record
@DIRWR SVC-88 Write a DEC's directory record
@HIGH$ SVC-100 Obtain or alter HIGH$/LOW$
@FLAGS$ SVC-101 Obtain system flags pointer
7.5.9 Task Process Control
Name Svc # Purpose
@CKTSK SVC-28 Check task slot availability
@ADTSK SVC-29 Add a task process
@RMTSK SVC-30 Remove a task assignment
@RPTSK SVC-31 Replace a task assignment during execution
@KLTSK SVC-32 Remove task assignment during execution
7.5.10 Miscellaneous
Name Svc # Purpose
@WHERE SVC-07 Resolve run-time address
@PARAM SVC-17 Parse a command line of parameters
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