| Alien (BUGFIX 1.7) | Routines |
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Used by the routine at 34933.
If marker channel B is live, XOR-blit its current frame once more (which removes it from the screen) and freeze the channel.
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| 35146 | LD HL,31264 | |||
| 35149 | BIT 7,(HL) | already frozen? | ||
| 35151 | RET NZ | yes: nothing to erase | ||
| 35152 | PUSH HL | |||
| 35153 | LD A,(HL) | A = current phase | ||
| 35154 | LD B,1 | |||
| 35156 | CALL 35031 | XOR-blit once = erase | ||
| 35159 | POP HL | |||
| 35160 | SET 7,(HL) | freeze the channel | ||
| 35162 | RET | |||
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