please dont rip this site
Interrupt 17h  Printer

(0:005Ch) access the parallel printer(s)

AH is changed. All other registers left alone.

Function 00h Print Character/send AL to printer DX (0, 1, or 2)

entry AH 00h

AL character

DX printer to be used (0,1,2)

return AH status byte

bit

0 time out

1 unused

2 unused

3 I/O error

4 selected

5 out of paper

6 acknowledge

7 not busy

Function 01h Initialize Printer - set init line low, send 0Ch to printer DX

entry AH 01h

DX printer port to be initialized (0,1,2)

return status as below

Function 02h Printer Status - read status of printer DX into AH

entry AH 02h

DX printer port to be used (0,1,2)

return AH bit flags bit 7 0 = printer is busy

bit 6 ACKnowledge line state

bit 5 out-of-paper line state

bit 4 printer selected line state

bit 3 I/O error

bit 2 unused

bit 1 unused

bit 0 time-out error




file: /Techref/int/17.htm, 1KB, , updated: 1999/2/20 10:27, local time: 2024/12/25 10:52,
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