ChronosMM: Routine at 58658

58658: DRAW_TILES

Used by the routine at L58392.
DRAW_TILES	58658	LD A,(59785)	Load A with L59785
	58661	AND A
	58662	JP Z,DRAW_TILES_0
	58665	DEC A
	58666	LD (59785),A	Store A in L59785
	58669	LD DE,36832	Point DE at TILE_MAP_PRECURSOR
	58672	LD (IX+0),127
	58676	INC IX
	58678	RET
DRAW_TILES_0	58679	LD DE,(59783)	Load DE with TILE_MAP_ADDR
	58683	LD A,(DE)	Load A with data referenced by TILE_MAP_ADDR
	58684	INC DE	Increment DE
	58685	LD (59783),DE	Store updated address at TILE_MAP_ADDR
	58689	BIT 7,A
	58691	JR Z,GET_ADDRESS_OF_TILE_GRAPHIC
	58693	AND 127	We only want the first 7 bits of A
	58695	CP 127
	58697	JR NZ,DRAW_TILES_1
	58699	INC A
DRAW_TILES_1	58700	INC A
	58701	LD (59785),A	Store A in L59785
	58704	JP DRAW_TILES
GET_ADDRESS_OF_TILE_GRAPHIC	58707	PUSH HL
	58708	LD HL,32768	Point HL at TILE_GFX
	58711	LD D,A
	58712	LD E,0
	58714	SRL D
	58716	RR E
	58718	SRL D
	58720	RR E
	58722	SRL D
	58724	RR E
	58726	ADD HL,DE
	58727	EX DE,HL
	58728	POP HL
	58729	LD (IX+0),A
	58732	INC IX
	58734	RET