String length: Difference between revisions

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===Byte Length===
===Byte Length===
Code is called as a subroutine, i.e. <code>CALL getStringLength</code>
Code is called as a subroutine, i.e. <code>CALL getStringLength</code>.
<lang z80>; input: HL - pointer to the 0th char of a string.
<lang z80>; input: HL - pointer to the 0th char of a string.
; outputs length to B. HL will point to the last character in the string just before the terminator.
; outputs length to B. HL will point to the last character in the string just before the terminator.