Decimal Add on the MSP430

toBCD.s43

NAME    toBCD

PUBLIC  toBCD
RSEG    CODE

toBCD   MOV     #16, R15                ; Loop Counter
        MOV     R12, R14                ; Move the input to R14 so we can use R12 for our output
        CLR     R12                     ; Clear our output register
L$1     RLA     R14                     ; Binary MSB to carry
        DADD    R12,R12                 ; Decimal Acc into R12
        DEC     R15                     ; Count down from 16
        JNZ     L$1                     ; Loop again?
        RET                             ; 
        END