CBM-230/231 User’s Manual

(23) Selecting Character Code Table (ESC t n)

Code : [1B]h + [74]h + n

* {0 n 1} The data is described with the hexadecimal code.

Selecting Page n on the character code table:

"n" has the following meanings.

n (Hex)

Type

0

IBM character No. 2

(24) Transmitting the printer status (ESC v)

Code : [1B]h + [76]h

Transmits the current printer status.

The transmitted status is of 1 byte and its contents are as shown in the table below.

In case of DTR/DSR control, only one byte is transmitted after confirming that the host is ready to receive (DSR signal is in the Space mode). In case of XON/XOFF control, only one byte is transmitted without confirming the state of the D SR signal.

In case of DTR/DSR control, if the host is not ready to receive (DSR signal is in the Mark mode), it waits to get ready to receive.

Bit

 

Function

 

Value

 

0

 

1

 

 

 

 

0

 

Paper near end

With Paper

 

Without Paper

1

 

Undefined

 

 

 

2

 

Paper end

With Paper

 

Without Paper

3

 

Undefined

 

 

 

4

 

Unused

Fixed to 0

 

5

 

Undefined

 

 

 

6

 

Undefined

 

 

 

7

 

Undefined

 

 

 

[Caution]

Serial interface only

 

 

 

41

CITIZEN

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