| R/W | ADR | HEXADR | NAME | DESCRIPTION | OS | 
| Write |  53253  | $D005 | HPOSM1 | horizontal position of missile 1 | both | 
| Read |  53253  | $D005 | P1PF | player 1 collision with playfield | both | 
Write: Horizontal position of missile 1#
Values from 0 to 255, missile is visible between 48 to 208 depending on playfield width (see 
SDMCTL) and width of missile (see 
SIZEM1).
Read: Player 1 collision with playfield#
| Bit  | 7 |  6 |  5 |  4 |  3 |  2 |  1  | 0  | 
| Playfield |   |   |   |    | 3 |  2 |  1 |  0  | 
Playfield corresponds to 
COLOR0, ..., 
COLOR3 color register
 
| R/W | ADR | HEXADR | NAME | DESCRIPTION | OS | 
| Write |  53253  | $D005 | HPOSM1 | Horizontale Position Missile 1 | both | 
| Read |  53253  | $D005 | P1PF | Kollision Player 1 mit Playfield | both | 
Write: Horizontale Position von Missile 1#
Werte von 0 bis 255 möglich, Missile sichtbar zwischen 48?? bis 208?? abhängig von der Spielfeldbreite (siehe 
SDMCTL) und Breite des Missiles (siehe 
SIZEM1).
Read: Kollision Player 1 mit Playfield#
| Bit  | 7 |  6 |  5 |  4 |  3 |  2 |  1  | 0  | 
| Playfield |   |   |   |    | 3 |  2 |  1 |  0  | 
Playfield entspricht dem Farbregister 
COLOR0, ..., 
COLOR3