F1 displays file processing menu F2 saves the current program to disk F3 displays production function menu F4 repeats the last search F10 displays the help menu
Esc return to edit screen from a window Enter breaks current line and starts new line Backspace deletes character to left of cursor Tab inserts spaces up to next tab stop Shift+Tab deletes characters back to last tab stop Insert toggles between insert and overwrite mode Delete deletes character at cursor location Home moves cursor to beginning of line End moves cursor to end of line arrow keys move cursor in direction of arrow Page Up moves cursor upward by 20 lines Page Down moves cursor downward by 20 lines
Ctrl+ Prnt Scrn prints screen -> SCREEN.TXT Page Up moves cursor to beginning of text Page Down moves cursor to end of text B set Beginning of selected text C Copy text -> CLIP.TXT D Delete text E set End of selected text P Paste text <- CLIP.TXT R cleaR selected text markers T cuT out text -> CLIP.TXT V moVe text to cursor location Y Yank current text line
The files CLIP.TXT and SCREEN.TXT are ASCII text files which can be edited.
Space step into Esc exit interpreter F5 set automatic stepping mode F7 set breakpoint at current line Ctrl+F7 remove breakpoint from current line Alt+F7 clear all breakpoints F9 step over F10 help