| Notes | Atari Keyboard | IBM KeyBoard | Key Scan | Shift + | Control + | Shift+Control |
| Esc | Esc | $1C | $5C | $9C | $DC | |
| 1 | 1 | $1F | $5F | $9F | $DF | |
| 2 | 2 | $1E | $75 | $1E | $75 | |
| 3 | 3 | $1A | $5A | $9A | $DA | |
| 4 | 4 | $18 | $58 | $98 | $D8 | |
| 5 | 5 | $1D | $5D | $9D | $DD | |
| 6 | 6 | $1B | $47 | $1B | $47 | |
| 7 | 7 | $33 | $5B | $33 | $5B | |
| 8 | 8 | $35 | $07 | $35 | $07 | |
| 9 | 9 | $30 | $70 | $B0 | $F0 | |
| 0 | 0 | $32 | $72 | $B2 | $F2 | |
| [ | [ | $60 | $60 | $60 | $60 | |
| ] | ] | $62 | $62 | $62 | $62 | |
| BK SP | BK SP | $34 | $74 | $B4 | Cold Start |
| Notes | Atari Keyboard | IBM KeyBoard | Key Scan | Shift + | Control + | Shift+Control |
| Z | Z | $17 | $57 | $97 | $d7 | |
| X | X | $16 | $56 | $96 | $d6 | |
| C | C | $12 | $52 | $92 | $d2 | |
| V | V | $10 | $50 | $90 | $d0 | |
| B | B | $15 | $55 | $95 | $d5 | |
| N | N | $23 | $63 | $a3 | $e3 | |
| M | M | $25 | $65 | $a5 | $e5 | |
| , | , | $20 | $36 | $20 | $36 | |
| . | . | $22 | $37 | $22 | $37 | |
| / | / | $26 | $66 | $a6 | $e6 | |
| ^ | ` | $47 | $76 | $47 | $76 | |
| Insert | Insert | $b7 | $77 | $b7 | $77 | |
| Delete | Delete | $b4 | $b4 | $b4 | $b4 | |
| ' | ' | $73 | $5e | $73 | $5e |
| Notes | Atari Keyboard | IBM KeyBoard | Key Scan | Shift + | Control + | Shift+Control |
| Tab | Tab | $2c | $6c | $ac | $ec | |
| Q | Q | $2f | $6f | $af | $ef | |
| W | W | $2e | $6e | $ae | $ee | |
| E | E | $2a | $6a | $aa | $ea | |
| R | R | $28 | $68 | $a8 | $e8 | |
| T | T | $2d | $6d | $ad | $ed | |
| Y | Y | $2b | $6b | $ab | $eb | |
| U | U | $0b | $4b | $8b | $cb | |
| I | I | $0d | $4d | $8d | $cd | |
| O | O | $08 | $48 | $88 | $c8 | |
| P | P | $0a | $4a | $8a | $ca | |
| - | - | $0e | $4e | $8e | $CE | |
| = | = | $0f | $06 | $0f | $06 | |
| Return | Enter | $0c | $4c | $8c | $cc | |
| Space | Space | $21 | $61 | $a1 | $e1 |
| Notes | Atari Keyboard | IBM KeyBoard | Key Scan | Shift + | Control + | Shift+Control |
| A | A | $3f | $7F | $BF | $FF | |
| S | S | $3e | $7E | $BE | $FE | |
| D | D | $3a | $7A | $BA | $FA | |
| F | F | $38 | $78 | $B8 | $F8 | |
| G | G | $3d | $7D | $BD | $FD | |
| H | H | $39 | $79 | $B9 | $F9 | |
| J | J | $01 | $41 | $81 | $C1 | |
| K | K | $05 | $45 | $85 | $C5 | |
| L | L | $00 | $40 | $80 | $C0 | |
| ; | ; | $02 | $02 | $82 | $C2 | |
| + | + | $06 | $06 | $86 | $C6 | |
| * | * | $07 | $07 | $87 | $C7 | |
| Caps | Caps | $3c | $7C | $BC | $FC | |
| \ | \ | $46 | $4F | $46 | $4F |
| Notes | Atari Keyboard | IBM KeyBoard | Key Scan | Shift + | Control + | Shift+Control+ |
| ^ | ^ | $47 | ||||
| Clear | Clear | $76 | ||||
| Insert | Insert | $b7 | $77 | $b7 | $77 | |
| Delete | Delete | $b4 | $b4 | $b4 | $b4 | |
| Brk | Brk | |||||
| Clear Screen | ~ | $76 |
| Notes | Atari Keyboard | IBM KeyBoard | Key Scan | Shift + | Control + | Shift+Control+ |
| Set | Shift+Tab | |||||
| _ | _ | $4E | ||||
| | | | | $4f | ||||
| ! | ! | $5f | ||||
| " | " | $5e | ||||
| # | # | $5A | ||||
| $ | $ | $58 | ||||
| % | % | $5D | ||||
| & | & | $5B | ||||
| @ | @ | $75 | ||||
| ( | ( | $70 | ||||
| ) | ) | $72 | ||||
| Clr | ~ | $76 | or Shift+Home | |||
| ^ | ^ | $47 | ||||
| < | < | $36 | ||||
| > | > | $37 | ||||
| ? | ? | $66 |
| Notes | Atari Keyboard | IBM KeyBoard | Shift + | Control + | Shift+Control |
These Keys are Between the type writer keys and Number Pad
| Notes | Atari Keyboard | IBM KeyBoard | Shift + | Control + | Shift+Control | |
| Insert | Insert | $b7 | $77 | $b7 | $77 | |
| Home | Home | $43 | $76 | $43 | $76 | |
| Sends 9 $8e | Page Up | $8e | $8e | $8e | $8e | |
| Delete | Delete | $b4 | $b4 | $b4 | $b4 | |
| End | End | $44 | $44 | $44 | $44 | |
| Sends 9 $bf | Page Down | $bf | $bf | $bf | $bf | |
| Arrow Up | Arrow Up | $8e | $8e | $0e | $0e | |
| Arrow Down | Arrow Down | $8f | $8f | $0f | $0f | |
| Arrow Left | Arrow Left | $86 | $86 | $06 | $06 | |
| Arrow Right | Arrow Right | $87 | $87 | $07 | $07 |
These Keys are on the 102 Keyboard Number Pad
| Notes | Atari Keyboard | IBM KeyBoard | Shift + | Control + | Shift+Control | |
| Num Lock | It Takes a 20 So 25 seconds to swap Keypad Map | |||||
| / | / | $26 | $66 | $a6 | $e6 | |
| * | * | $07 | $47 | $87 | $c7 | |
| - | - | $0e | $4e | $8e | $ce | |
| + | + | $06 | $46 | $86 | $c6 | |
| Enter | Enter | $0c | $4c | $8c | $cc | |
| 1 | 1 | $1f | $1f | $1f | $1f | |
| 2 | 2 | $1e | $1e | $1e | $1e | |
| 3 | 3 | $1a | $1a | $1a | $1a | |
| 4 | 4 | $18 | $18 | $18 | $18 | |
| 5 | 5 | $1d | $5d | $9d | $dd | |
| 6 | 6 | $1b | $1b | $1b | $1b | |
| 7 | 7 | $33 | $33 | $33 | $33 | |
| 8 | 8 | $35 | $35 | $35 | $35 | |
| 9 | 9 | $30 | $30 | $30 | $30 | |
| 0 | 0 | $32 | $32 | $32 | $32 | |
| . | . | $22 | $22 | $22 | $22 |
These Keys are on the 102 Keyboard Number Pad after Num Lock has been depressed
| Atari Keyboard | IBM KeyBoard | Shift + | Control + | Shift+Control | ||
| Num Lock | It Takes a 20 So 25 seconds to swap Keypad Map | |||||
| / | / | $26 | $66 | $a6 | $e6 | |
| * | * | $07 | $47 | $87 | $c7 | |
| - | - | $0e | $4e | $8e | $ce | |
| + | + | $06 | $46 | $86 | $c6 | |
| Enter | Enter | $0c | $4c | $8c | $cc | |
| 1 | 1 | $44 | $44 | $44 | $44 | |
| 2 | 2 | $8f | $8f | $8f | $8f | |
| Sends $8f 9 times | 3 | $8f | $8f | $8f | $8f | |
| 4 | 4 | $86 | $86 | $86 | $86 | |
| 5 | 5 | $1d | $5d | $9d | $dd | |
| 6 | 6 | $87 | $87 | $87 | $87 | |
| 7 | 7 | $43 | $43 | $43 | $43 | |
| 8 | 8 | $8e | $8e | $8e | $8e | |
| Sends $8e 9 times | 9 | $8e | $8e | $8e | $8e | |
| 0 | 0 | $32 | $32 | $32 | $32 | |
| . | . | $22 | $22 | $22 | $22 |
These Keys are on the 102 Keyboard as Function Keys
| Atari Keyboard | IBM KeyBoard | Shift+ | Control+ | Shift+Control | ||
| Cursor up | F1 | $03 | $43 | |||
| Cursor Down | F2 | $04 | $44 | |||
| Cursor Left | F3 | $13 | $53 | |||
| Cursor Right | F4 | $14 | $54 | |||
| Start | F5 | |||||
| Select | F6 | |||||
| Option | F7 | |||||
| Reset | F8 | Shift+Alt+Delete | ||||
| F9 | Not Definded | |||||
| Help | F10 | |||||
| Inv | F11 | $27 | $67 | $a7 | $e7 | |
| Break | F12 | |||||
| Alt+F1 | ILS KRH 1.0c 063014 | |||||
| Alt+f2 | www.realdos.net | |||||
| (stays after power off) | Alt+f3 | switching between German and English keyboard layout | ||||
| Alt+f4 | stop macro recording | |||||
| ALT+F9 | sending macro 1 | |||||
| ALT+F10 | sending macro 2 | |||||
| ALT+F11 | sending macro 3 | |||||
| ALT+F12 | sending macro 4 | |||||
| Shift+ALT+F9 | Record macro 1 (max. 15 keystrokes) | |||||
| Shift+ALT+F10 | Record macro 2 (max. 15 keystrokes) | |||||
| Shift+ALT+F11 | Record macro 3 (max. 15 keystrokes) | |||||
| Shift+ALT+F12 | Record macro 4 (max. 15 keystrokes) | |||||
| Atari Keyboard | IBM KeyBoard | Shift+ | Control+ | Shift+Control | ||
| Goto top of screen (HOME) | Shift+F1 | $43 | ||||
| Goto end of line | Shift+F2 | $44 | ||||
| Goto start of line | Shift+F3 | $53 | ||||
| Goto bottom of screen | Shift+F4 | $54 | ||||
| Switchs off keyboard until pressing CTRL-F1 | Control+F1 | |||||
| Switchs off screen until pressing any key | Control+F2 | |||||
| Toggles keyboardclick | Control+F3 | $93 | ||||
| Toggles charset (graphic / international) | Control+F4 |