AT&T 6300 Programmer's Manual page 153

Gwbasic by microsoft

Hide thumbs Also See for 6300:

Table of Contents

Asynchronous Communications

• At 250-260, read and display the contents of

COM buffer on screen until empty. Continue to

monitor (in 240). Suspend transmission in the

event of an interface delay.

• Finally, resume host transmission by sending

XON only if suspended by previous XOFF.

Repeat process until MENU Key struck.

Retrieves the name of the Disk File from which

the information is to be downloaded. Opens the

file to file number 2.

Asks if file named is to be transmitted

(Uploaded) or received (Downloaded).

Sends a CR to the host to begin the download.

This program assumes that the last command

sent to the host to begin such a transfer was

missing only the terminating CR.

Chapters

Table of Contents