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Routines |
| Prev: F923 | Up: Map | Next: F9A4 |
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Used by the routine at 6A46. If the character who has been knocked over is a teacher, this routine makes him reveal his safe combination letter (if all the shields are flashing but the safe has not been opened yet) and give lines to the nearest main kid (if any are close enough).
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| F955 | CP $12 | Is it time to reveal a safe combination letter? | ||||||||
| F957 | JR Z,$F960 | Jump if so | ||||||||
| F959 | CP $09 | Is it time to give lines to the nearest main kid? | ||||||||
| F95B | RET NZ | Return if not | ||||||||
| F95C | POP BC | |||||||||
| F95D | JP $6A3C | Give lines to the nearest main kid if we're dealing with a teacher | ||||||||
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It's time to reveal a safe combination letter (if all shields are flashing).
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| F960 | LD A,($7FEA) | Collect the game mode indicator from 7FEA | ||||||||
| F963 | CP $02 | Set the zero flag if all the shields are flashing but the safe has not been opened | ||||||||
| F965 | LD A,$12 | Restore the knockout delay counter to A | ||||||||
| F967 | RET NZ | Return unless all the shields are flashing | ||||||||
| F968 | LD A,H | Return unless we are dealing with a teacher | ||||||||
| F969 | CP $A3 | |||||||||
| F96B | RET C | |||||||||
| F96C | CP $A6 | |||||||||
| F96E | RET NC | |||||||||
| F96F | POP BC | |||||||||
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This entry point is used by the routine at F6D7 to make MR CREAK reveal his safe combination letter after seeing his year of birth written on a blackboard.
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| F970 | LD L,$61 | Pick up the character's coordinates in DE | ||||||||
| F972 | LD D,(HL) | |||||||||
| F973 | INC L | |||||||||
| F974 | LD E,(HL) | |||||||||
| F975 | LD L,H | Pick up the teacher's safe combination letter in A | ||||||||
| F976 | LD H,$7F | |||||||||
| F978 | LD A,(HL) | |||||||||
| F979 | LD L,$96 | Place this in 7F96 | ||||||||
| F97B | LD (HL),A | |||||||||
| F97C | CALL $74AF | Save the area of the screen that will be overwritten by the bubble | ||||||||
| F97F | RET C | Return if the character is off-screen | ||||||||
| F980 | PUSH DE | |||||||||
| F981 | LD DE,$EC30 | Point DE at the graphic data portion of the safe combination letter bubble graphic buffer at EC00 | ||||||||
| F984 | LD HL,$DA89 | DA89: ' ' (single space) | ||||||||
| F987 | CALL $7625 | Write this into the first line of the graphic buffer | ||||||||
| F98A | LD DE,$EC70 | Write the teacher's safe combination letter into the second line of the graphic buffer | ||||||||
| F98D | LD HL,$7F96 | |||||||||
| F990 | CALL $7625 | |||||||||
| F993 | LD HL,$EC18 | Set the attribute bytes in the graphic buffer - INK 7: PAPER 0 | ||||||||
| F996 | DEC L | |||||||||
| F997 | LD (HL),$07 | |||||||||
| F999 | JR NZ,$F996 | |||||||||
| F99B | POP DE | Restore the attribute file address of the top left corner of the bubble to DE and save it again | ||||||||
| F99C | PUSH DE | |||||||||
| F99D | CALL $7519 | Display the combination letter in a bubble | ||||||||
| F9A0 | XOR A | A=0 (black border for the sound effect) | ||||||||
| F9A1 | JP $776F | Make a sound effect and remove the bubble | ||||||||
| Prev: F923 | Up: Map | Next: F9A4 |