Measurement Computing Personal488 rev.3.0 For DOS & Windows 3.Xi - Manual (Page 288)

III. COMMAND REFERENCES - 14. Command Summaries 14C. Driver488/SUB, Pascal
Personal488 User’s Manual, Rev. 3.0 III-273
The Commands
To obtain a more detailed description of the command references for Driver488/SUB, turn to Chapter
15 “Command References” in this Section. The commands are presented in alphabetical order for ease
of use.
Syntax Parameters
Name Type Description
Argument var (untyped) 32 bit argument
Async boolean Flag to indicate async transfer
BuffString string Buffer containing characters to transfer
Bytes var (untyped) Pointer to characters to transfer
CompStat var (untyped) Completion status from Driver
Condition integer Arm/Disarm bit mask
Count longint Long count specifier
Data var (untyped) Pointer to a character array
DataString var string
DevHandle integer External device handle
DevHandles DevPtr Pointer to array of handles
Display boolean Error message display is ON or OFF
DmaChan integer Hardware DMA channel
ErrHandle var integer Pointer to handle that caused error
ErrText var string Pointer to error text
Flag boolean ON or OFF specifier
ForceAddr boolean Force address flag
Freq integer Clock frequency
Handle integer Either a DevHandle or an IntfHandle
Handler HandlerProcPtr Pointer to OnEvent Handler
IntLev integer Hardware Interrupt level
IntfHandle integer Interface handle
IOAddr integer
Last boolean Terminator on last byte indicator
Length integer Number of Bytes
LightPen boolean Light Pen emulation is ON or OFF
Limit integer Max number of listeners
Listener var (untyped) Pointer to listener list
Message var string Pointer to character array
Monitor boolean Data monitor ON or OFF
Name string Pointer to name string
Ppresponse integer Configuration byte
Prim integer IEEE 488 primary address
SPResult var (untyped) Array of SPOLL results
Sec integer IEEE 488 primary address
SPstatus integer Service request status
StatusVal var (untyped) Pointer to status structure
SysCont boolean System Controller flag for IEEE 488 interface
Term var (untyped) Terminator structure
TermType integer Terminator type: TERMIN or TERMOUT
Timeout longint Timeout value in milliseconds
UntilFlag integer SpollList operating mode