Routines
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DB38: Return with the carry flag set if Dan has moved over an object item
Used by the routines at D2BF and DE87.
Input
DE Co-ordinates of the item.
DB38 PUSH HL Remember HL.
DB39 LD HL,($C872) Get Dan's co-ordinates (C872, C873)
DB3C LD A,H Put the Y co-ordinate in A.
DB3D SUB D Is this close enough to the Y co-ordinate of the item?
DB3E ADD A,$03
DB40 CP $07
DB42 JR NC,$DB50 Jump forward if it isn't.
DB44 LD A,L Put the X co-ordinate in A.
DB45 SRL A Set the carry flag if this close enough to the X co-ordinate of the item.
DB47 SRL A
DB49 SRL A
DB4B SUB E
DB4C ADD A,$03
DB4E CP $07
DB50 POP HL Restore HL and return.
DB51 RET
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