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.

List of Figures

Figure 1: The memory array
Figure 2: A block of words
Figure 3: Template for all instructions
Figure 4: Format of instructions of the ``Control'' class
Figure 5: Format of instructions of the ``Block of Words'' class
Figure 6: Format of an alterable data item
Figure 7: Format of a static data item
Figure 8: The format of an a.d.i. checked against the format of an instruction of the ``Control'' class
Figure 9: The two orders defined on number-type data
Figure 10: Representations of a pointer
Figure 11: Representation of indexes and displacements
Figure 12: How a location is marked that must be configured as a correct data item
Figure 13: How a location is marked that must be configured as an alterable data item
Figure 14: Addressing modes to the register page
Figure 15: A standard register page using only 8 registers
Figure 16: A non-standard register page
Figure 17: Elementary components of addresses
Figure 18: An example of post-increment with a simple operand
Figure 19: An example of pre-decrement with a multiple operand
Figure 20: Position of the instruction pointer with respect to the current instruction
Figure 21: Movement of IP during sequential execution
Figure 22: Movement of IP during a jump
Figure 23: Movement of IP during a skip
Figure 24: Classification of instructions
Figure 25: Comparison between MOVE and MVPT
Figure 26: How to interpret instruction keys