ProSoft Technology MVI56-BAS - Manual (Page 130)

BASIC CALLs Syntax MVI56-BAS ♦ ControlLogix Platform
User Manual BASIC Module (DB/BAS Compatible)
Page 130 of 234 ProSoft Technology, Inc.
December 13, 2011
CALL 95: Get Number of Characters in PRT1 Buffer
Use CALL 95 to retrieve the number of characters in PRT1 buffer.
Syntax:
PUSH A
CALL 95
POP B
Where:
A = buffer selection (0 = transmit buffer, 1 = receive buffer)
B = number of characters
Example:
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210 PUSH 0: CALL 95: POP NUMTXCH
220 PUSH 1: CALL 95: POP NUMRXCH
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