In SX Microcontrollers, SX/B Compiler and SX-Key Tool, JonnyMac wrote:

Multiplication, division and related operators generate a fair bit of code; you might want to encapsulate ** into a function.  Delcare it like this:

[code]MULT_HIGH       FUNC    2, 2, 4                 ' shell for **[/code]
The function code looks like this:

[code]' Use: result = MULT_HIGH value1, value2
' -- if passing word and byte, pass word value as first parameter

FUNC MULT_HIGH
  IF __paramcnt = 2 THEN
    tmpW2 = __param1
    tmpW3 = __param2
  ELSEIF __paramcnt = 3 THEN
    tmpW2 = __wparam12
    tmpW3 = __param3
  ELSE
    tmpW2 = __wparam12
    tmpW3 = __wparam34
  ENDIF
  tmpW2 = tmpW2 ** tmpW3
  RETURN tmpW2
  ENDFUNC[/code]

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