| C64 ROM | Routines |
| Prev: E9C8 | Up: Map | Next: E9F0 |
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Used by the routine at E9C8.
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| E9E0 | 20 24 EA | JSR $EA24 | calculate the pointer to the current screen line colour RAM | |
| E9E3 | A5 AC | LDA $AC | get the next screen line pointer low byte | |
| E9E5 | 85 AE | STA $AE | save the next screen line colour RAM pointer low byte | |
| E9E7 | A5 AD | LDA $AD | get the next screen line pointer high byte | |
| E9E9 | 29 03 | AND #%00000011 | mask 0000 00xx, line memory page | |
| E9EB | 09 D8 | ORA #%11011000 | set 1101 10xx, colour memory page | |
| E9ED | 85 AF | STA $AF | save the next screen line colour RAM pointer high byte | |
| E9EF | 60 | RTS | ||
| Prev: E9C8 | Up: Map | Next: E9F0 |