Tandy 1400LT - Printer Control Register Functions

PRINTER CONTROL
Address Bit
Bit data Description
378H
(Printer Data
Output Port)
13
0 1 Data Bit 0
1 1 Data Bit 1
2 1 Data Bit 2
1 I Data Bit 3
6
7
4
1 Data Bit 6
1 Data Bit 7
1
379H
(Printer Status
Port)
(ata Bit
4
0
1
2
1 I Data Bit 5
3
4
0 Error
1 Select
1
0 Auto Feed
1 5 I 1 1 P. End (Out of Paper)
2
3
1 Acknowledge
0 Initialize Printer
0 Select Input
17
1 I Busy
37AH
Io
0 1 Strobe
14
1 I IRO Enable
F-12