| Spectrum ROM | Routines |
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The given line number in the BC register pair is matched against the addressed line number.
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| CP_LINES | 06528 | LD A,(HL) | Fetch the high byte of the addressed line number and compare it. | ||||
| 06529 | CP B | ||||||
| 06530 | RET NZ | Return if they do not match. | |||||
| 06531 | INC HL | Next compare the low bytes. | |||||
| 06532 | LD A,(HL) | ||||||
| 06533 | DEC HL | ||||||
| 06534 | CP C | ||||||
| 06535 | RET | Return with the carry flag set if the addressed line number has yet to reach the given line number. | |||||
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