Routines
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A7EB: Handler: Debounce Controls
Used by the routines at Controller_NameSelect, PressAnyKey and Controller_Yes_No.
Handler_Debounce_Controls A7EB HALT Halt operation (suspend CPU until the next interrupt).
A7EC CALL Handler_Controls Fetch the controller response (into E) by calling Handler_Controls.
A7EF LD A,$C0 Jump to Handler_Debounce_Controls when the control reponse is C0 (C0 == "no action").
A7F1 CP E
A7F2 JR NZ,Handler_Debounce_Controls
A7F4 RET Return.
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