Routines
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37552: Load A with ASCII code of shortcut for selected item in menu
Used by the routine at 37333.
Output
A ASCII code of letter shortcut that has been selected on menu
37552 CALL 37486 Wait for fire button / key to be released
37555 LD BC,(23472) Load y-coordinate of hand cursor's finger and x-coordinate of left edge of interior of window into B and C respectively
37559 CALL 36551 Move virtual bitmap cursor to display file address for coordinates x=C, y=B
37562 CALL 37613 Load character in display file address stored at 36488 into A
37565 RET Return
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