Blizzard Pass: Data at 5C00

5C00: System Variables

The ROM's system variables, still in use while the game runs. IY is left pointing at ERR_NR, and the maskable interrupt keeps FRAMES, KSTATE, LAST_K and FLAGS up to date for the routines that read them.
SystemVariables	5C00	DEFB $FF,$00,$00,$00,$FF,$00,$23,$0D
	5C08	DEFB $0D,$23,$05,$00,$00,$00,$11,$15
	5C10	DEFB $01,$00,$06,$00,$0B,$00,$01,$00
	5C18	DEFB $01,$00,$06,$00,$10,$00,$00,$00
	5C20	DEFB $00,$00,$00,$00,$00,$00,$00,$00
	5C28	DEFB $00,$00,$00,$00,$00,$00,$00,$00
	5C30	DEFB $00,$00,$00,$00,$00,$00,$00,$3C
	5C38	DEFB $40,$00,$FF,$CC,$00,$C7,$5E,$00
	5C40	DEFB $00,$00,$09,$00,$FF,$0B,$00,$01
	5C48	DEFB $38,$00,$00,$EB,$5D,$12,$5D,$B6
	5C50	DEFB $5C,$BB,$5C,$CB,$5C,$CD,$5D,$CA
	5C58	DEFB $5C,$FE,$5D,$01,$5E,$CC,$5D,$30
	5C60	DEFB $5F,$03,$5E,$03,$5E,$03,$5E,$2D
	5C68	DEFB $92,$5C,$00,$00,$00,$00,$00,$00
	5C70	DEFB $00,$02,$79,$F2,$B6,$1A,$FD,$7F
	5C78	DEFB $4D,$00,$00,$58,$FF,$00,$00,$21
	5C80	DEFB $00,$5B,$21,$17,$E0,$50,$E0,$50
	5C88	DEFB $21,$01,$21,$17,$03,$3F,$38,$3F
	5C90	DEFB $38,$00,$00,$00,$00,$00,$00,$00
	5C98	DEFB $00,$00,$00,$00,$00,$00,$00,$00
	5CA0	DEFB $00,$00,$00,$00,$00,$00,$00,$00
	5CA8	DEFB $00,$00,$00,$00,$00,$00,$00,$00
	5CB0	DEFB $00,$00,$CA,$5E,$FF,$FF