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Routines |
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Used by the routine at upd_80_to_83.
Each of dx and dy is taken from entries 4 to 7 of delta_tbl -- -3, +3, -4 or +4 -- one chosen by the random seed and the other by the frame counter. Then the sprite is chosen to match, and a sound played.
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| ghost_new_direction | C5DD | LD A,($5BA5) | dx | |
| C5E0 | AND $03 | |||
| C5E2 | ADD A,$04 | |||
| C5E4 | CALL get_delta_from_tbl | |||
| C5E7 | LD (IX+$09),A | |||
| C5EA | LD A,($5BA2) | dy | ||
| C5ED | AND $03 | |||
| C5EF | ADD A,$04 | |||
| C5F1 | CALL get_delta_from_tbl | |||
| C5F4 | LD (IX+$0A),A | |||
| C5F7 | CALL calc_ghost_sprite | face the way it is going | ||
| C5FA | CALL sound_pitch_from_xyz | the sound's pitch comes from x + y + z | ||
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