1 Machine Language Monitor (machine code?)
2 Slot selector
3 Backup ROM
4 Tape Tester
5 Backing Tape
6 Return to Basic
And pressing the first one enters a kind of console commands with the following:
A - Deassembler
B - Change Baud (Baud Rate Change)
C - Change Slot
D - Dump Memory (Dump Memory)
E - Memory Editor
G - Go (Run?)
H - Help (Help)
J - Return to Menu (Jump Menu)
L - Load (Load)
M - (?) Motor Switch
P - Printer Switch
R (?) - Dr. Read Data (? )
S - Save (Save)
T - Transport (?)
