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Routines |
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Clear 3 rows
Used by the routine at move_one_row_aliens_down.
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| remove_barriers | 31327 | LD A,(_BARRIERS_SUPPRESSED) | If barriers are suppressed we don't need to clear them | |
| 31330 | OR A | |||
| 31331 | RET Z | |||
| 31332 | LD DE,20608 | |||
| 31335 | CALL clear_char_row | Clear one character row (32 chars) | ||
| 31338 | LD DE,20640 | |||
| 31341 | CALL clear_char_row | Clear one character row (32 chars) | ||
| 31344 | LD DE,20672 | |||
| 31347 | CALL clear_char_row | Clear one character row (32 chars) | ||
| 31350 | XOR A | Flag need to redraw barriers next screen | ||
| 31351 | LD (_BARRIERS_SUPPRESSED),A | |||
| 31354 | CALL sound_burbler | Sound burbler | ||
| 31357 | DEFB 200,10,10,200,200,10,10,200 | |||
| 31365 | DEFB 200,10,50,250,0 | |||
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Sound burbler return point
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| 31370 | RET | |||
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