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Routines |
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Used by the routine at 25886.
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| 25947 | LD HL,(28092) | Pick up the guard's new location. | ||
| 25950 | LD DE,(28088) | Pick up the guard's current location. | ||
| 25954 | XOR A | Clear the carry flag. | ||
| 25955 | SBC HL,DE | Subtract the guard's current location from his new location. | ||
| 25957 | LD A,H | Has the guard moved? | ||
| 25958 | OR L | |||
| 25959 | RET Z | Return if not. | ||
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This entry point is used by the routines at 26276 (when the guards have been thrown out of the park) and 26426 (after Horace has lost a life).
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| 25960 | LD HL,(28088) | Pick up the guard's current location. | ||
| 25963 | LD BC,16384 | Set HL to the corresponding display file address. | ||
| 25966 | ADD HL,BC | |||
| 25967 | CALL 27663 | Set HL' to the corresponding attribute file address. | ||
| 25970 | LD DE,28095 | Point DE at the first of the maze background tiles in the guard's buffer. | ||
| 25973 | LD A,(DE) | Pick up the attribute byte of the first maze background tile. | ||
| 25974 | INC DE | Point DE at the graphic data for the first maze background tile. | ||
| 25975 | LD C,A | Copy the attribute byte to C. | ||
| 25976 | CALL 27642 | Draw the first (top-left) maze background tile. | ||
| 25979 | LD A,(DE) | Pick up the attribute byte of the second maze background tile. | ||
| 25980 | INC DE | Point DE at the graphic data for the second maze background tile. | ||
| 25981 | LD C,A | Copy the attribute byte to C. | ||
| 25982 | CALL 27642 | Draw the second (top-right) maze background tile. | ||
| 25985 | LD A,L | Point HL at the third tile on-screen. | ||
| 25986 | ADD A,30 | |||
| 25988 | LD L,A | |||
| 25989 | JR NC,25995 | |||
| 25991 | LD A,H | |||
| 25992 | ADD A,8 | |||
| 25994 | LD H,A | |||
| 25995 | LD A,(DE) | Pick up the attribute byte of the third maze background tile. | ||
| 25996 | INC DE | Point DE at the graphic data for the third maze background tile. | ||
| 25997 | LD C,A | Copy the attribute byte to C. | ||
| 25998 | CALL 27663 | Set HL' to the appropriate attribute file address. | ||
| 26001 | CALL 27642 | Draw the third (bottom-left) maze background tile. | ||
| 26004 | LD A,(DE) | Pick up the attribute byte of the fourth maze background tile. | ||
| 26005 | INC DE | Point DE at the graphic data for the fourth maze background tile. | ||
| 26006 | LD C,A | Copy the attribute byte to C. | ||
| 26007 | CALL 27642 | Draw the fourth (bottom-right) maze background tile. | ||
| 26010 | LD HL,(28092) | Pick up the guard's new location. | ||
| 26013 | CALL 27752 | Copy the maze backround tiles at this location into the guard's buffer. | ||
| 26016 | RET | |||
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