| adress | hexaddress | NAME | description | OS |
|---|---|---|---|---|
| 704 | $02C0 | PCOLR0 | Color of Player 0 and Missile 0 | both |
| 705 | $02C1 | PCOLR1 | Color of Player 1 and Missile 1 | both |
| 706 | $02C2 | PCOLR2 | Color of Player 3 and Missile 2 | both |
| 707 | $02C3 | PCOLR3 | Color of Player 3 and Missile 3 | both |
| 708 | $02C4 | COLOR0 | Color Register 0. | both |
| 709 | $02C5 | COLOR1 | both | |
| 710 | $02C6 | COLOR2 | both | |
| 711 | $02C7 | COLOR3 | both | |
| 712 | $02C8 | COLOR4 | both | |
| 732 | $02FC | HELPFG | both | |
| 736,737 | $02E0,$02E1 | RUNAD | both | |
| 762 | $02FA | CHAR | both | |
| 763 | $02FB | ATACHR | both | |
| 764 | $02FC | CH | both | |
| 765 | $02FD | FILDAT | both | |
| 766 | $02FE | DSPFLG | both | |
| 767 | $02FF | SSFLAG | both |
| 768 | $0300F | DDEVIC | both | |
| 769 | $0301 | DUNIT | both | |
| 770 | $0302 | DCOMND | both | |
| 771 | $0303 | both | ||
| 772,773 | $0304,$0305 | DBUFLO,DBUFHI | both | |
| 774 | $0306 | DTIMLO | both | |
| 775 | $0307 | DUNUSE | both | |
| 776,777 | $0308,$0309 | DBYTLO,DBYTHI | both | |
| 778,779 | $030A,$030B | DAUX1,DAUX2 | both | |
| 780,781 | $030C,$030D | TIMER1 | both | |
| 782 | $0D30E | ADDCOR | both | |
| 783 | $030F | CASFLG | both | |
| 784,785 | $0310,$0311 | TIMER2 | both |
| 53279 | $D01F | CONSOL | both |