Motorola M68CPU32BUG Manuale Utente Scaricare il pdf (Pagina 25)

*ASSEMBLY PROGRAM FOR EXPERIMENT #3

ORG $4000

MOVE.W #$4,D0

MOVE.W #$5,D1

CLR D2

SUB #1,D0

ADD D1,D2

ADD D0,D2

TRAP #15

DC.W $63

*OP-CODE FOR THE TRAP INSTRUCTION IS 4E4X, WHERE X IS THE VECTOR NUMBER IN

HEX.

*IF X IS #15 THEN THE TRAP INSTRUCTION WILL EXECUTE THE USER ROUTINE

*SPECIFIED IN THE FOLLOWING DC.W INSTRUCTION.

*THE DC.W $63 SPECIFIES THAT CONTROL OF THE EXECUTION IS RETURNED TO THE

*CPU32 DEBUGGER.

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Motorola M68CPU32BUG Manuale Utente Pagina 25