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04496: THE 'SET-HL' AND 'SET-DE' SUBROUTINES
Used by the routine at CLEAR_SP.
These subroutines return with DE pointing to the first location and HL to the last location of either the editing area or the work space.
Input
Output
SET_HL 04496 LD HL,(23649) Point to the last location of the editing area (WORKSP-1).
04499 DEC HL
04500 AND A Clear the carry flag.
This entry point is used by the routines at ED_EDGE and ED_COPY.
SET_DE 04501 LD DE,(23641) Point to the start of the editing area (E-LINE) and return if in 'editing mode'.
04505 BIT 5,(IY+55)
04509 RET Z
04510 LD DE,(23649) Otherwise point DE at the start of the work space (WORKSP).
04514 RET C Return if now intended.
04515 LD HL,(23651) Fetch STKBOT and then return.
04518 RET
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