Routines
Prev: F0D6 Up: Map Next: F140
F0E6: Submit Input Line
Used by the routine at InputLine.
Reached from InputLine_Enter when Enter is pressed. Clears the input rows, adjusts the lower screen via ScrollAdjust, prints a > prompt, echoes InputBuffer through PrintCharacter, then returns via ScrollAdjust. Token walks and vocabulary lookup are separate jump-table entries (AdvanceInputPointer, SearchVocabulary_Commands and neighbours).
SubmitInputLine F0E6 LD A,$20 Clear both input rows to spaces with blank attributes.
F0E8 LD ($5BF9),A
F0EB LD B,$40
F0ED SUB A
F0EE LD ($5BF6),A
F0F1 LD ($5BF5),A
F0F4 LD ($5BF7),A
F0F7 LD A,$16
F0F9 LD ($5BF8),A
SubmitInputLine_ClearLoop F0FC CALL PrintCharacter Print spaces until the clear count is done.
F0FF DJNZ SubmitInputLine_ClearLoop
F101 SUB A Reset the column and call ScrollAdjust.
F102 LD ($5BF7),A
F105 CALL ScrollAdjust
F108 LD A,($5C89) Print a ">" prompt on the lower screen.
F10B LD B,A
F10C LD A,$18
F10E SUB B
F10F LD ($5BF8),A
F112 LD A,$07
F114 LD ($5BF5),A
F117 LD A,$3E
F119 LD ($5BF9),A
F11C CALL PrintCharacter
F11F LD A,$05 Restore the echo attribute and point at InputBuffer.
F121 LD ($5BF5),A
F124 LD HL,$5BAE
SubmitInputLine_Echo F127 LD A,(HL) Jump to SubmitInputLine_ScrollBack at end-of-line.
F128 CP $0D
F12A JR Z,SubmitInputLine_ScrollBack
F12C INC HL Echo this character through PrintCharacter and continue.
F12D LD ($5BF9),A
F130 CALL PrintCharacter
F133 JR SubmitInputLine_Echo
SubmitInputLine_ScrollBack F135 LD A,($5C89) Scroll the lower screen back two rows via ScrollAdjust.
F138 SUB $02
F13A LD ($5C89),A
F13D JP ScrollAdjust
Prev: F0D6 Up: Map Next: F140