Extended Control [+] - Husky MP2500 Manual

Extended control [+]

Entry
Exit
Description
228
Byte 14 RESERVED
Byte 15 RESERVED
Byte 16 RESERVED
Byte 17 RESERVED
Byte 18 RESERVED
For details of H
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AH=21H
AL=command (bit0=empty RX, bit1=empty TX,
DX=port, non 0 (COM2)
AH=extended status (see 'Extended status', below)
Used to control buffering. The commands are selected
as follows:
Bit Contents
0 1
1 1
2 1
communications, see Part 2.
bit2=force TX)
Resulting Action
empties RX buffer
empties TX buffer
forces transmit
H MP2500 System Developer's Guide
USKY