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

I'm getting the mysterious Index Out of Bounds error with this block of code -- the line after BANK that causes the routine to be aborted if the queue is full seems to be the offender but I cannot sort out why.

[code]' Use: PUSH_QUEUE value
' -- pushes value into cicular queue if space available

SUB PUT_QUEUE
  ASM
    BANK  queue
    JB    qCount.3, @PQ_Exit        ' <- problem child
    MOV   W, #qBuf
    ADD   W, qHead
    MOV   FSR, W
    MOV   IND, __PARAM1
    INC   qHead
    AND   qHead, #0000_0111
    INC   qCount

PQ_Exit:
    BANK  $00
  ENDASM
  ENDSUB[/code]

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