Apple II manual Return

+------------------------------------------------------------------------

TOPIC -- Apple II -- Summary of Monitor Commands

+------------------------------------------------------------------------

Summary of Apple II Monitor Commands

Examining Memory.

*{adrs}

Examines the value contained in one location.

*{adrs1}.{adrs2}

Displays the values contained in all locations between {adrs1} and {adrs2}.

*[RETURN]

Displays the values in up to eight locations following the last opened location.

Changing the Contents of Memory.

*{adrs}:{val} {val} ...

Stores the values in consecutive memory locations starting at {adrs}.

*:{val} {val}

Stores values in memory starting at the next changeable location.

Moving and Comparing.

*{dest}<{start}.{end}M

Copies the values in the range {start}.{end} into the range beginning at {dest}. (M=move)

*{dest}<{start}.{end}V

Compares the values in the range {start}.{end} to those in the range beginning at {dest}. (V=verify)

Saving and Loading via Cassette Tape.

*{start}.{end}W

Writes the values in the memory range {start}.{end} onto tape, preceded by a ten- second leader.

*{start}.{end}R

Reads values from tape, storing them in memory beginning at {start} and stopping at {end}. Prints "ERR" if an error occurs.

Running and Listing Programs.

*{adrs}G

Transfers control to the machine language program beginning at {adrs}. (G=go)

*{adrs}L

Disassembles and displays 20 instructions, starting at {adrs}. Subsequent L's will display 20 more instructions each. (L=list)

Miscellaneous.

*{adrs}S

Disassemble, display, and execute the instruction at {adrs}, and display the contents of the 6502's internal registers. Subsequent S's will display and execute successive instructions. (S=step)