6530 Programmer's Guide
Conversational Mode Operation
6530 Programmer’s Guide
2-55
Home Displays the first 24 or 27 lines of display memory on the 
screen and positions the cursor in row 1, column 1.
Ctrl-Home Moves the cursor to the column following the last nonblank 
character on the screen. If the last column of the last row 
contains a character, a roll up operation occurs and the 
cursor is positioned in the first column of the last row. 
End Displays the last 24 or 27 lines of display memory on the 
screen and positions the cursor in column 1 of the of the last 
row. 
right arrow Moves the cursor one column position to the right. If the 
cursor is initially in the last column, the cursor moves to the 
first column of the next row. If the cursor is initially in the last 
column of the last row, a roll up operation occurs. If the row 
contains the last line of display memory, a scroll operation 
occurs. 
up arrow Moves the cursor up to the previous row, while maintaining 
the same column position. If the cursor is initially in row 1, a 
roll down operation occurs unless the first line of display 
memory already appears on the screen. 
down arrow Moves the cursor down one row, while maintaining the 
same column position. If the cursor is initially in the last row, 
a roll up operation occurs. If the row contains the last line of 
display memory, a scroll operation occurs. 
Alt-1 Sets a horizontal tab stop at the current cursor column 
position. Once a tab is set, it applies to that column position 
for all rows until it is cleared. 
Shift-Alt-1 Clears a previously set tab stop at the current cursor column 
position. The tab stop is cleared from that column for all 
rows. 
Alt-3 Clears all previously set tab stops from all column positions. 
Alt-up arrow Rolls display memory up one line; stops when the last line 
of display memory appears on the screen. The cursor 
remains in the same relative position. 
Table 2-9. Keys That Perform Local Operations (continued)
Key(s) Description 










