Everyone's a Wally: Routine at 32997

32997: Game Selection Menu

Used by the routines at Demo_Start and GameLoop.
GameMenu	32997	CALL Clear_Screen	Call Clear_Screen.
	33000	CALL Initialise_Theme_Music	Call Initialise_Theme_Music.
Print up all the options.
GameMenu_Loop	33003	LD HL,32198	HL=Messaging_Splash.
	33006	LD DE,3	DE=0003.
	33009	CALL PrintString	Call PrintString.
Set up displaying the active game option.
	33012	LD HL,32311	HL=Messaging_Key.
Calculate the screen position of the active control method.
	33015	LD A,(45787)	B=2-*Game_Options.
	33018	LD B,A
	33019	LD A,2
	33021	SUB B
	33022	LD B,A
D contains the vertical position.
	33023	ADD A,A	D=(B*8)-B.
	33024	ADD A,A
	33025	ADD A,A
	33026	SUB B
	33027	LD D,A
And E is hardcoded for the horizontal position.
	33028	LD E,3	E=3.
Print the active key to the screen, this just overwrites the one which is already present (so turns it white).
	33030	CALL PrintString	Call PrintString.
GameMenu_Initialise	33033	LD A,255	Write 255 to TempStore_GameOptions.
	33035	LD (46313),A	Write 255 to TempStore_GameOptions.
	33038	CALL Check_Music	Call Check_Music.
Check if demo mode should start.
	33041	LD A,(46431)	If Flag_DemoMode is not zero jump to Demo_Start.
	33044	OR A
	33045	JR NZ,Demo_Start
	33047	LD A,(46313)	A=*TempStore_GameOptions.
Handler for selecting "Sinclair Joystick".
	33050	BIT 0,A	If bit 0 is not set, jump to GameMenu_Kempston.
	33052	JR NZ,GameMenu_Kempston	If bit 0 is not set, jump to GameMenu_Kempston.
	33054	CALL Game_Options_Sinclair	Call Game_Options_Sinclair.
	33057	JR GameMenu_Loop	Jump to GameMenu_Loop.
Handler for selecting "Kempston Joystick".
GameMenu_Kempston	33059	BIT 1,A	If bit 1 is not set, jump to GameMenu_Keyboard.
	33061	JR NZ,GameMenu_Keyboard	If bit 1 is not set, jump to GameMenu_Keyboard.
	33063	CALL Game_Options_Kempston	Call Game_Options_Kempston.
	33066	JR GameMenu_Loop	Jump to GameMenu_Loop.
Handler for selecting "Keyboard".
GameMenu_Keyboard	33068	BIT 2,A	If bit 2 is not set, jump to GameMenu_StartGame.
	33070	JR NZ,GameMenu_StartGame	If bit 2 is not set, jump to GameMenu_StartGame.
	33072	CALL Game_Options_Keyboard	Call Game_Options_Keyboard.
	33075	JR GameMenu_Loop	Jump to GameMenu_Loop.
Handler for selecting "Start".
GameMenu_StartGame	33077	BIT 3,A	If bit 3 is not set, jump to GameMenu_Initialise.
	33079	JR NZ,GameMenu_Initialise	If bit 3 is not set, jump to GameMenu_Initialise.
	33081	RET	Return.