Trashman: Routine at A859

A859: Controller: Yes/ No

Used by the routine at Player_Name.
Controller_Yes_No	A859	CALL Handler_Debounce_Controls	Call Handler_Debounce_Controls.
Produce a short pause.
Controller_Yes_No_Loop	A85C	LD B,$0A	B=0A.
Controller_Yes_No_Pause	A85E	HALT	Halt operation (suspend CPU until the next interrupt).
	A85F	DJNZ Controller_Yes_No_Pause	Decrease counter by one and loop back to Controller_Yes_No_Pause until counter is zero.
Fetch player input.
	A861	CALL Handler_Controls	Call Handler_Controls.
	A864	LD A,E	A=E.
Was "up" pressed?
	A865	CP $18	Jump to Controller_Yes_No_Action if A is 18.
	A867	JR Z,Controller_Yes_No_Action	Jump to Controller_Yes_No_Action if A is 18.
Was "down" pressed?
	A869	CP $08	Jump to Controller_Yes_No_Action if A is 08.
	A86B	JR Z,Controller_Yes_No_Action	Jump to Controller_Yes_No_Action if A is 08.
Was "fire" not pressed?
	A86D	CP $80	Jump to Controller_Yes_No_Loop if A is not 80.
	A86F	JR NZ,Controller_Yes_No_Loop	Jump to Controller_Yes_No_Loop if A is not 80.
Pressing "fire" exits/ sets the value.
	A871	RET	Return.
Flip bit 5 of A (20) using XOR with *Game_Flags.
Controller_Yes_No_Action	A872	LD HL,$AB8A	Flip bit 5 of Game_Flags.
	A875	LD A,%00100000
	A877	XOR (HL)
	A878	LD (HL),A
Update the text on the screen to reflect the players choice.
	A879	CALL Handler_Yes_No	Call Handler_Yes_No.
	A87C	LD BC,$0080	BC=0080.
	A87F	CALL PressAnyKey_1	Call PressAnyKey_1.
	A882	JR Controller_Yes_No	Jump to Controller_Yes_No.