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Routines |
| Prev: 38212 | Up: Map | Next: 38242 |
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Used by the routine at 26835.
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| 38221 | PUSH AF | Store AF | ||
| 38222 | PUSH BC | Store BC | ||
| 38223 | LD B,0 | Set B to zero | ||
| 38225 | XOR A | Set A to zero | ||
| 38226 | OUT (254),A | Reset speaker and border colour to zero | ||
| 38228 | LD C,100 | Do nothing for 100 "cycles"... | ||
| 38230 | DEC C | ... | ||
| 38231 | JR NZ,38230 | ... | ||
| 38233 | XOR 16 | Invert bit 4 (ear / speaker bit)... | ||
| 38235 | OUT (254),A | ...and write to port 254 (inverting state of speaker, making a sound) | ||
| 38237 | DJNZ 38225 | Decrease B and loop back | ||
| 38239 | POP BC | Restore BC | ||
| 38240 | POP AF | Restore AF | ||
| 38241 | RET | Return | ||
| Prev: 38212 | Up: Map | Next: 38242 |