Cookie: Routine at 6428

6428: Start Game

Used by the routine at GameInitialisation. Starts a new game when "0" is pressed on the game selection menu. The screen is blanked, the opening tune is played (unless the sound is muted) and the data for the game is reset. Then the first level is set up, and the game carries on in the main loop.
StartGame	6428	CALL ResetAttributes	Blank the attribute buffer using ResetAttributes.
	642B	CALL ResetScreen	Blank the screen buffer using ResetScreen.
Play the opening tune, unless the sound is muted.
	642E	LD A,($5F0D)	Jump to SkipMusic if Sound_Enable is not zero.
	6431	AND A
	6432	JR NZ,SkipMusic
	6434	LD DE,$65C8	Point DE at MusicData.
	6437	CALL PlayMusic	Play the tune using PlayMusic.
Reset both of the level numbers which are shown on the screen.
SkipMusic	643A	XOR A	Write 00 to; ActivePlayer_LevelNumber InactivePlayer_LevelNumber
	643B	LD ($5F30),A
	643E	LD ($5F34),A
Blank everything from the 1UP score to the end of the last actor slot, which resets the scores, the sprite data and all of the actors.
	6441	LD HL,$5F0E	Write 00 to every byte from 1UP_Score_1 to 5F84 (77 bytes).
	6444	LD (HL),$00
	6446	LD D,H
	6447	LD E,L
	6448	INC DE
	6449	LD BC,$0076
	644C	LDIR
	644E	CALL NewGame	Set up the data for both players using NewGame.
	6451	CALL ResetModifiedCode	Reset the self modifying code using ResetModifiedCode.
	6454	CALL SetUpLevel	Set up the first level using SetUpLevel.
Continue on to MainLoop_NewPass. View the equivalent code in; Atic Atac Jetpac Lunar Jetman Pssst Tranz Am