Routines
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50048: Load From Tape
Used by the routine at Action_Load.
Ask for a tape and read a previously saved game state back in.
Print "LOADING. Start tape.".
LoadFromTape 50048 LD HL,48167 Print "LOADING. Start tape.".
50051 CALL PrintStringAndANewline
50054 LD IX,47560 Point the load at the game state (GameState) for 316 bytes.
50058 LD DE,316
50061 LD A,255 Mark it as a data block and set the carry flag for "loading".
50063 SCF
50064 CALL 1366 Call LD_BYTES.
50067 JR C,LoadFromTape_Success Jump to LoadFromTape_Success when the load succeeded.
Print "Tape error.".
50069 LD HL,48188 Print "Tape error.".
50072 CALL PrintStringAndANewline
50075 RET Return.
LoadFromTape_Success 50076 LD A,(47874) Return when *47874 is zero, so there is no flag state to restore.
50079 OR A
50080 RET Z
50081 LD B,A Take the flag addresses and the saved bytes.
50082 LD IX,(47858)
50086 LD DE,47721
50089 JR LoadFromTape_StoreFlag
LoadFromTape_Restore 50091 INC IX Step to the next flag address and the next saved byte.
50093 INC IX
50095 INC DE
LoadFromTape_StoreFlag 50096 LD L,(IX+0) Write that saved byte back and repeat until every flag is restored.
50099 LD H,(IX+1)
50102 LD A,(DE)
50103 LD (HL),A
50104 DJNZ LoadFromTape_Restore
50106 LD E,0 Call Handler_DisplayRoom to show the restored room.
50108 CALL Handler_DisplayRoom
50111 RET Return.
View the equivalent code in;
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