Prev: 1031 Up: Map Next: 1076
1059: THE 'CURSOR UP EDITING' SUBROUTINE
The address of this routine is derived from an offset found in the editing keys table.
Input
Output
ED_UP 1059 BIT 5,(IY+$37) Return if in 'INPUT mode' (bit 5 of FLAGX set).
105D RET NZ
105E LD HL,($5C49) Fetch the current line number (E-PPC) and its start address.
1061 CALL LINE_ADDR
1064 EX DE,HL HL now points to the previous line.
1065 CALL LINE_NO This line's number is fetched.
1068 LD HL,$5C4A This is E-PPC-hi.
106B CALL LN_STORE The line number is stored.
This entry point is used by the routine at ED_DOWN.
ED_LIST 106E CALL AUTO_LIST A new automatic listing is now produced and channel 'K' re-opened before returning to ED_LOOP.
1071 LD A,$00
1073 JP CHAN_OPEN
Prev: 1031 Up: Map Next: 1076