qa.hlp (Table of Contents; Topic list)
Important Notice
The pages on this site contain documentation for very old MS-DOS software, purely for historical purposes. If you're looking for up-to-date documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.
JCXZ/JECXZ
   Summary  Detail  Example  Key to Flags
──────────────────────────────────────────────────────────────────────────────
 
Jump if CX is Zero                               Flags:  O D I T S Z A P C
                                                         ═════════════════
Syntax:  JCXZ label
 
  Transfers program execution to the specified label if CX is 0.  If the
  count register is not 0, execution continues at the next instruction.
  The label given as the operand must be short (between -128 and 127
  bytes from the instruction following the jump).
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