Routines
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D0DD: Process Location Token
Used by the routines at ProcessLocationTokenDisplay and ProcessObjectDisplayWithCheck.
Looks the room up and, unless an exit line is already being printed, chooses the exit text from the room's direction bits.
Input
A Room ID
ProcessLocationToken D0DD PUSH AF Keep the room, then call FetchLocationDataPointer to look up this room.
D0DE CALL FetchLocationDataPointer
D0E1 LD A,($D0DC) Read the location-token flag at LocationTokenProcessingFlag.
D0E4 AND A
D0E5 LD HL,$68E4 Take the exit text and go to ProcessLocationToken_Next if location token processing is on.
D0E8 JR NZ,ProcessLocationToken_Next
D0EA LD A,(IX+$00) Read the record's flag byte.
D0ED AND %00001110 Take bits 1-3 of the flag byte as an even offset into the tokens at Table_Tokens.
D0EF LD E,A Use the tokens at Table_Tokens.
D0F0 LD D,$00
D0F2 LD HL,$D05A
D0F5 ADD HL,DE
D0F6 LD E,(HL)
D0F7 INC HL Call WriteTokenToBuffer to write token to buffer.
D0F8 LD D,(HL)
D0F9 EX DE,HL
D0FA CALL WriteTokenToBuffer
D0FD LD HL,$68DD Use the message (68DD).
ProcessLocationToken_Next D100 POP AF Restore AF from the stack.
D101 RET Return.
View the equivalent code in;
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