SEC     RORB R3     ASRB R3     ASRB R3     ASRB R3
                MOV     #376,(R0)   MOVB    R2,(R0)                     ; AY 01 REG
                MOV     #375,(R0)   MOVB    (R1)+,(R0)                  ; AY 02 REG
                MOV     #374,(R0)   MOVB    R3,(R0)                     ; AY 03 REG
                MOV     #373,(R0)   MOVB    (R1)+,(R0)                  ; AY 04 REG
                MOV     #372,(R0)   MOVB    (R1)+,(R0)                  ; AY 05 REG
                MOV     #371,(R0)   MOVB    (R1)+,(R0)                  ; AY 06 REG
                MOV     #370,(R0)   MOVB    (R1)+,(R0)                  ; AY 07 REG
                MOV     #367,(R0)   MOVB    (R1)+,(R0)                  ; AY 08 REG
                MOV     #366,(R0)   MOVB    (R1)+,(R0)                  ; AY 09 REG
                MOV     #365,(R0)   MOVB    (R1)+,(R0)                  ; AY 10 REG
                MOV     #364,(R0)   MOVB    (R1)+,(R0)                  ; AY 11 REG
                                                        ; AY 12 REG - ═┼ ╚╤╧╬╦▄╟╙┼╥╤▀, ┬ ╥╨┼╩┼ 0
                MOV     #377,R3