Routines
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54779: Get Direction Token
Used by the routines at 54795 and 54924.
This routine converts a direction value into the address of its corresponding token string.
Input
A Direction value
Output
DE Address of token string
GetDirectionToken 54779 LD HL,53348 Load Table_DirectionTokens into HL.
54782 DEC HL Adjust HL for sum.
54783 DEC HL
54784 LD E,A Copy directional value into E.
54785 RES 7,E Reset bit 7 of E.
54787 LD D,0 Clear the high byte in D.
54789 ADD HL,DE Add 2 times the offset to the base table address.
54790 ADD HL,DE
This entry point is used by the routine at 57723.
GetDirectionToken_0 54791 LD E,(HL) Fetch the token address from the table and load it into DE.
54792 INC HL
54793 LD D,(HL)
54794 RET Return.
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