TransAct Epic 3000, Руководство программиста

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Epic 3000 Programmer’s Guide Programming Codes
100-14362 Rev A Page 179
Where <25> is the echo of command ID.
<n> is the number of return bytes + 40
(28H) (to prevent confusion with XON/XOFF).
<r
1
>: MSB of size in K bytes.
<r
2
>: LSB of size in K bytes.
[ENQ] <26> Inquire current print zone
ASCII [ENQ] <26>
Hexadecimal 05H 1AH
Decimal <5> <26>
Function The [ENQ] <26> command returns current print zone in dots
Response [ACK] <26> <n> <r
1
> <r
2
>
Where <26> is the echo of command ID.
<n> is the number of return bytes + 40
(28H) (to prevent confusion with XON/XOFF).
<r
1
>: MSB of the print zone.
<r
2
>: LSB of the print zone.
[ENQ] <28> Inquire Buffer status
ASCII [ENQ] <28>
Hexadecimal 05H 1CH
Decimal <5> <28>
Function The [ENQ] <28> command returns current print zone in dots
Response [ACK] <28> <n> <r
1
>
Where <28> is the echo of command ID.
<n> is the number of return bytes + 40
(28H) (to prevent confusion with XON/XOFF).
<r
1
>: 0-100 Percent of input buffer being used.