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

Not at the moment -- but we are trying to figure out a way to add it cleanly (SX/B is supposed to be a learning tool).  I ran into this myself with a small project that we wanted to do in SX/B, but I got lucky.  I only ever had to multiply by 32 so it was a simple matter of shifting left five times.  Here's my code:

[color=blue>']' -- multiples 'theChar' by 32[/color]

[color=blue>MAKE_ADDR:
 ]  eeHi = 0
  IF __PARAM1 > 0 THEN
    ASM
      MOV  eeLo, __PARAM1   ' copy character value
      MOV  __PARAM1, #5     ' prep to shift 5 times
      CLC
      RL   eeLo             ' shift the low byte
      RL   eeHi             ' shift high (use C)
      DJNZ __PARAM1, $-2
    ENDASM
  ENDIF
  RETURN[/color]

The point of showing this is that if you can find an assembly routine for what you want to do then you can add it as I have done.

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