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This is the R.O.M.E.68000 Manual version 0.51.
This is an experimental version.
Copyright © 1997 by G. Mezzetti; last update: January 1, 1999.
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This is the R.O.M.E.68000 Manual version 0.51.
This is an experimental version.
Copyright © 1997 by G. Mezzetti; last update: January 1, 1999.
When post-increment and pre-decrement is prescribed, the relevant register is incremented or decremented by the number of locations that make up the operand. Normally, an operand occupies just one location, and in this case (I repeat, the most common one) the register is incremented or decremented by 1; but the operand can be also a block of words (a multiple operand, as we shall say in Chapter III), and in this case the register is incremented or decremented by the length of the block. This will be fully described in Section 6 of Chapter III, after introducing multiple operands; these lines are only put here to refer you to that chapter.
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