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Routines |
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Used by the routine at 47502.
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| 47665 | LD A,(23479) | Load menu hand cursor's current y-coordinate into A | ||
| 47668 | LD HL,23475 | If height available to menu hand cursor to move down is the same as the cursor's current y-coordinate... | ||
| 47671 | CP (HL) | ...i.e. the cursor cannot move any further down... | ||
| 47672 | JP Z,47571 | ...then jump to 47571 (return to menu input handling routine) | ||
| 47675 | LD (23478),A | Store y-coordinate (pixels) at 23478 | ||
| 47678 | PUSH AF | Store AF (A = menu hand cursor's y-coordinate, in pixels) | ||
| 47679 | ADD A,5 | Add five (as the "finger" of the cursor naturally points five pixels below the cursor's actual position) | ||
| 47681 | RRCA | Divide this new y-coordinate by eight to get y-coordinate in characters... | ||
| 47682 | RRCA | ... | ||
| 47683 | RRCA | ... | ||
| 47684 | AND 31 | ... | ||
| 47686 | LD C,A | Load this y-coordinate into C | ||
| 47687 | POP AF | Restore AF (A = menu hand cursor's y-coordinate, in pixels) | ||
| 47688 | INC A | Increase y-coordinate (pixels) by two... | ||
| 47689 | INC A | ... | ||
| 47690 | LD (23479),A | Store new y-coordinate (in pixels) | ||
| 47693 | PUSH BC | Store BC (C = y-coordinate, in characters and before move, of menu hand cursor's finger) | ||
| 47694 | CALL 64361 | Scroll a region of the display file down two pixel rows without wrapping... | ||
| 47697 | CALL 64361 | ... | ||
| 47700 | JP 47635 | Jump to 47635 (update menu highlighting as appropriate then jump to menu input handling routine) | ||
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