ST20C2 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'ST20C2' PDF : 212 Pages View PDF
call n
call n
call
Code: Function 9
Description: Adjust workspace pointer, save evaluation stack, and call subroutine at
specified b yte offset.
Definition:
Wptr′ ← Wptr @ -4
word′[Wptr′ @ 0]
word′[Wptr′ @ 1]
word′[Wptr′ @ 2]
word′[Wptr′ @ 3]
← Iptr
← Areg
← Breg
← Creg
Iptr′ ← next instruction + n
Areg′ ← Iptr
Breg′ ← undefined
Creg′ ← undefined
Error signals: none
Comments:
Primary instruction.
See also: ajw gcall ret
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