| C64 ROM | Routines |
| Prev: FE2D | Up: Map | Next: FE43 |
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Used by the routine at FF9C.
Cb = 1 to read, Cb = 0 to set
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| FE34 | 90 06 | BCC $FE3C | if Cb clear go set the bottom of memory | |
| FE36 | AE 81 02 | LDX $0281 | get the OS start of memory low byte | |
| FE39 | AC 82 02 | LDY $0282 | get the OS start of memory high byte | |
| FE3C | 8E 81 02 | STX $0281 | save the OS start of memory low byte | |
| FE3F | 8C 82 02 | STY $0282 | save the OS start of memory high byte | |
| FE42 | 60 | RTS | ||
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