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0FF3: THE 'CURSOR DOWN EDITING' SUBROUTINE
The address of this routine is derived from an offset found in the editing keys table.
Input
Output
ED_DOWN 0FF3 BIT 5,(IY+$37) Jump forward if in 'INPUT mode' (bit 5 of FLAGX set).
0FF7 JR NZ,ED_STOP
0FF9 LD HL,$5C49 This is E-PPC.
0FFC CALL LN_FETCH The next line number is found and a new automatic listing produced.
0FFF JR ED_LIST
ED_STOP 1001 LD (IY+$00),$10 'STOP in INPUT' report (ERR-NR).
1005 JR ED_ENTER Jump forward.
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