Hi Guys,

I am just about to embark on my next project, and am in the planning stages.

Whilst I understand the difference between BCD and straight binary, I am a
little confused about what actually determines whether a value is stored as
BCD or straight binary.

For example, the command;

RETLW    99

Would return the value 99 as BCD in W right?

But what about;

RETLW    255
or
MOVLW   99
or
MOVLW    255

Obviously the 255 gets stored as straight binary, but how is that 'decision'
made? Is 99 the maximum for BCD?

TYIA

Regards,

Sean Alcorn

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