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Routines |
| Prev: 35386 | Up: Map | Next: 35459 |
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Used by the routine at 35296.
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| 35397 | LD A,(23479) | Load menu hand cursor's current y-coordinate into A | ||
| 35400 | OR A | If coordinate is zero... | ||
| 35401 | JP Z,35365 | ...then jump to 35365 (return to menu input handling routine) | ||
| 35404 | LD (23478),A | Store y-coordinate (pixels) at 23478 | ||
| 35407 | PUSH AF | Store AF (A = menu hand cursor's y-coordinate, in pixels) | ||
| 35408 | ADD A,5 | Add five (as the "finger" of the cursor naturally points five pixels below the cursor's actual position) | ||
| 35410 | RRCA | Divide this new y-coordinate by eight to get y-coordinate in characters... | ||
| 35411 | RRCA | ... | ||
| 35412 | RRCA | ... | ||
| 35413 | AND 31 | ... | ||
| 35415 | LD C,A | Load this y-coordinate into C | ||
| 35416 | POP AF | Restore AF (A = menu hand cursor's y-coordinate, in pixels) | ||
| 35417 | DEC A | Decrease y-coordinate (pixels) by two... | ||
| 35418 | DEC A | ... | ||
| 35419 | LD (23479),A | Store new y-coordinate (in pixels) | ||
| 35422 | PUSH BC | Store BC (C = y-coordinate, in characters and before move, of menu hand cursor's finger) | ||
| 35423 | CALL 55401 | Scroll a region of the display file up two pixel rows without wrapping... | ||
| 35426 | CALL 55401 | ... | ||
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This entry point is used by the routine at 35459.
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| 35429 | POP BC | Restore BC (C = y-coordinate, in characters and before move, of menu hand cursor's finger) | ||
| 35430 | LD A,(23479) | Load menu hand cursor's new y-coordinate (in pixels) into A | ||
| 35433 | ADD A,5 | Add five (as the "finger" of the cursor naturally points five pixels below the cursor's actual position) | ||
| 35435 | RRCA | Divide this new y-coordinate by eight to get y-coordinate in characters... | ||
| 35436 | RRCA | ... | ||
| 35437 | RRCA | ... | ||
| 35438 | AND 31 | ... | ||
| 35440 | CP C | If new y-coordinate of menu hand cursor (in characters) is the same as its previous y-coordinate... | ||
| 35441 | JP Z,35365 | ...then jump to 35365 (return to menu input handling routine) | ||
| 35444 | LD A,(23478) | Load A with previous y-coordinate in pixels... | ||
| 35447 | CALL 35525 | ...and invert INK and PAPER bits to remove highlighting at this location | ||
| 35450 | LD A,(23479) | Load A with new y-coordinate in pixels... | ||
| 35453 | CALL 35525 | and invert INK and PAPER bits to apply highlighting at this location | ||
| 35456 | JP 35365 | Jump to 35365 (return to menu input handling routine) | ||
| Prev: 35386 | Up: Map | Next: 35459 |