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Routines |
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Used by the routine at 8184.
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| EB55 | LD BC,$0000 | Set B to 0 (first object) and C to 0 (no items). | ||
| EB58 | CALL $AA8C | Get the buffer for this object. | ||
| EB5B | LD A,(HL) | Get the first byte. | ||
| EB5C | CP $FF | Is it an end marker? | ||
| EB5E | JR Z,$EB72 | If so, there are no items here, so jump forward. | ||
| EB60 | INC HL | Point HL at the X co-ordinate. | ||
| EB61 | LD A,(IY+$05) | Get the X co-ordinate. | ||
| EB64 | SUB (HL) | Convert the player co-ordinate to an object co-ordinate. | ||
| EB65 | INC HL | |||
| EB66 | INC HL | |||
| EB67 | INC HL | |||
| EB68 | SUB $06 | |||
| EB6A | CP $F4 | Are the two near enough? | ||
| EB6C | JR C,$EB5B | Jump back to look at other entries if not. | ||
| EB6E | LD C,$01 | Otherwise set that an object is found in C, then jump back. | ||
| EB70 | JR $EB5B | |||
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At this point, all objects in the room have been checked, and C is set to 1 if the player is near any of them.
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| EB72 | LD A,C | Were any items found? | ||
| EB73 | OR A | |||
| EB74 | RET NZ | Return if not. | ||
| EB75 | LD ($EB54),A | Otherwise mark that the player is near an object (EB54) and return. | ||
| EB78 | RET | |||
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