L A0 Addr PARITY L A1 Addr CYCLECONTROL L A2 Addr PCXREG L A3 Addr PCFREG L A4 Addr DBREG L A5 Addr SBREG L A6 Addr MNBR L A7 Addr SSTKP L A8 Addr STKP L A9 Addr ALURESULT L A10 Addr SALUF L A11 Addr T 20 L A12 Addr AATOVA L A13 Addr TPC 20 L A14 Addr CALLER L A15 Addr PAGE L A16 Addr APC L A17 Addr APCTASK L A18 Addr CIA L A19 Addr CTASK L A19 Val 0 L B0 Addr REVISION L B1 Addr SUBTEST L B2 Addr L B3 Addr L B4 Addr L B5 Addr L B6 Addr L B7 Addr L B8 Addr L B9 Addr MYID L B10 Addr CONTROLLERID L B11 Addr CADDR L B12 Addr L B13 Addr L B14 Addr L B15 Addr MESSU L B16 Addr MESSL L B17 Addr L B18 Addr L B19 Addr L C0 Addr COMM-ER0 L C1 Addr COMM-ER1 L C2 Addr COMM-ER2 L C3 Addr BOOT-ERR L C4 Addr BOOTREASON L C5 Addr MEMSYNDROME L C6 Addr L C7 Addr L C8 Addr L C9 Addr L C10 Addr L C11 Addr L C12 Addr L C13 Addr L C14 Addr NEXTTEST L C15 Addr EXERCISE L C16 Addr SHORTLOOP L C17 Addr L C18 Addr L C19 Addr