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Routines |
| Prev: 89D4 | Up: Map | Next: 8AC4 |
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Used by the routine at 89D4.
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| 8A63 | LD A,($848F) | Get the position off the ground. | ||
| 8A66 | LD HL,($8492) | Get the current pointer to the jump table. | ||
| 8A69 | CP $03 | |||
| 8A6B | JR NZ,$8ACA | |||
| 8A6D | LD A,($5C7B) | Decrease the X co-ordinate. | ||
| 8A70 | DEC A | |||
| 8A71 | LD ($5C7B),A | |||
| 8A74 | LD A,($5C7C) | Add the scaling factor to the Y co-ordinate. | ||
| 8A77 | ADD A,(HL) | |||
| 8A78 | LD ($5C7C),A | |||
| 8A7B | LD DE,($8494) | Get the next pitch to beep at when jumping. | ||
| 8A7F | BIT 7,(HL) | Is the next direction moving upwards? | ||
| 8A81 | JR NZ,$8A8A | Jump forward if not. | ||
| 8A83 | INC E | Increase the pitch, so the jump effect increases while Monty is moving upwards. | ||
| 8A84 | LD ($8494),DE | |||
| 8A88 | JR $8A93 | |||
| 8A8A | DEC E | Otherwise decrease the pitch. | ||
| 8A8B | SET 7,(IX+$01) | Set the falling flag. | ||
| 8A8F | LD ($8494),DE | Set the new pitch. | ||
| 8A93 | INC HL | Move to the next position in the jump table. | ||
| 8A94 | LD ($8492),HL | |||
| 8A97 | CALL $8AD3 | Update Monty in this jump cycle. | ||
| 8A9A | LD A,($8498) | Increment the jump time until it reaches 1F then reset back to 0. | ||
| 8A9D | INC A | |||
| 8A9E | AND $1F | |||
| 8AA0 | LD ($8498),A | |||
| 8AA3 | OR A | Has the jump finished? | ||
| 8AA4 | JP NZ,$8B34 | No, so check Monty's movement. | ||
| 8AA7 | LD ($848F),A | Reset the position off the ground. | ||
| 8AAA | LD ($8D58),A | Reset the distance fallen by. | ||
| 8AAD | LD HL,$869C | Reset the pointer to the movement table to 869C. | ||
| 8AB0 | LD ($8492),HL | |||
| 8AB3 | LD HL,($8496) | Reset the jump beep pitch back to the default. | ||
| 8AB6 | LD ($8494),HL | |||
| 8AB9 | RES 1,(IX+$00) | Reset the jump flag. | ||
| 8ABD | RES 7,(IX+$01) | Reset the falling flag. | ||
| 8AC1 | JP $8B34 | Jump forward to set movement restrictions. | ||
| Prev: 89D4 | Up: Map | Next: 8AC4 |