680x0:SEKA

SEKA was a popular assembler in the early years of the Amiga.

Commands

Command	Description
t(Target)	Puts the cursor on the highest line in the text.
t<n>	Puts the cursor on line n.
b(Bottom)	Puts the cursor on the last line in the text.
u(Up)	Go up one line.
u<n>	Go up n lines.
d(Down)	Go down one line.
d<n>	Go down n lines.
z(Zap)	Deletes the current line.
z<n>	Deletes n lines starting at the cursor line.
e(Edit)	Lets you edit the current line(and only that line).
e<n>	Edit from line n.
ftext(Find)	Searches for the text entered starting at the current line.The case of a letter makes a difference,so make sure to enter it correctly. Blanks that appear after the f are looked for as well!
f	Continues searching beyond the text that was previously given.
i(Insert)	Starts the line editor.Now you can enter a program line by line.However,you can't use the cursor to move into another line.Line numbers are generated automatically. The lines that follow are moved down,not erased.
ks(Kill Source)	The source text is deleted if you answer"y" when the program asks if you are sure. Otherwise nothing happens.
o(Old)	Cancels the "ks"function and saves the old text
p(Print)	Prints the current line.
p<n>	Prints n lines starting at cursor line.

a few versions that exist:

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