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Routines |
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Used by the routine at 47502.
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| 47703 | CALL 47592 | Wait for fire button / key to be released | ||||||
| 47706 | LD BC,(23476) | Load BC with absolute coordinates (characters) of start of row of text of interest in menu | ||||||
| 47710 | LD A,(23456) | Load C with initial y-coordinate of top of hand cursor relative to current window (characters)... | ||||||
| 47713 | LD C,A | ... | ||||||
| 47714 | LD A,(23409) | Load A with y-coordinate of top edge of current window (characters)... | ||||||
| 47717 | ADD A,C | ...add C... | ||||||
| 47718 | INC A | ...and add 1 to get absolute y-coordinate of first item in menu | ||||||
| 47719 | LD C,A | Store y-coordinate in C | ||||||
| 47720 | LD A,B | Load A with y-coordinate of row of text of interest in menu | ||||||
| 47721 | SUB C | Subtract absolute y-coordinate of first item in menu to give zero-based index of selected item | ||||||
| 47722 | PUSH AF | Store AF (A = selected item index) | ||||||
| 47723 | LD A,(23479) | Load A with current y-coordinate of hand cursor relative to its starting position (pixels)... | ||||||
| 47726 | CALL 47731 | ...and use to de-highlight selected menu item | ||||||
| 47729 | POP AF | Restore AF (A = selected item index) | ||||||
| 47730 | RET | Return | ||||||
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