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Save the memory address of the next line of code in RAM at mm and mm+1, and then perform a Return operation.
See also Resume
This is a special instruction used specifically for implementing multitasking programs. Multitasking tutorial
Dialect restriction: Available only in boards with dialect 12 or greater.
Indexing: From dialect 15 this instruction can be indexed by adding 'i' in front of it. Because suspend/resume addresses occupy 2 bytes of RAM, the index register is multiplied by 2 before being applied to mm.
+ From dialect 16 the address argument will be jndexed when executed inside a MultiTrack task and will be indexed if the instruction is preceded by the IasJ: precode.
Note: This method of multitasking, introduced in dialect 12, is rendered largely obsolete by the MultiTrack system introduced in dialect 16.
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