.ifndef	DRIVEFIELD_I
.set 	DRIVEFIELD_I,1

@ STRUCT PLAYFIELD

.set	PF_X		,0
.set	PF_Y		,4
.set	PF_BG0_SRC	,8	
.set	PF_BG0_DEST	,12
.set	PF_BG1_SRC	,16	
.set	PF_BG1_DEST	,20
.set	PF_BG2_SRC	,24	
.set	PF_BG2_DEST	,28
.set	PF_BG3_SRC	,32	
.set	PF_BG3_DEST	,36
.set	PF_WIDTH	,40
.set	PF_HEIGHT	,44

.set	PF_LENGTH	,48

.endif