| C64 ROM | Routines |
| Prev: B700 | Up: Map | Next: B737 |
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| B72C | 20 61 B7 | JSR $B761 | pull string data and byte parameter from stack. return pointer in descriptor, byte in A (and X), Y=0 | |
| B72F | 18 | CLC | clear carry for add-1 | |
| B730 | F1 50 | SBC ($50),Y | subtract string length | |
| B732 | 49 FF | EOR #$FF | invert it (A=LEN(expression$)-l) | |
| B734 | 4C 06 B7 | JMP $B706 | go do rest of LEFT$() | |
| Prev: B700 | Up: Map | Next: B737 |