Rex: Routine at CDB8

CDB8: Handle Rex collision detection moving right

Used by the routine at CD8B.
CDB8	LD HL,($A1B2)	Set HL the address into tile type buffer in front-up of Rex
CDBB	LD DE,$0023
CDBE	ADD HL,DE
CDBF	CALL $CDF5	Return if tile is wall
CDC2	JP Z,$CDEC	Return if tile is wall
CDC5	LD DE,$0020	Set HL the address into tile type buffer in front-bottom of Rex
CDC8	ADD HL,DE
CDC9	CALL $CDF5	Jump to check tile of death if tile is wall
CDCC	JP Z,$CDEC	Jump to check tile of death if tile is wall
CDCF	JP $CD95	Move Rex to the right