| C64 ROM | Routines |
| Prev: F086 | Up: Map | Next: F0BD |
| F0A4 | 48 | PHA | save A | |
| F0A5 | AD A1 02 | LDA $02A1 | get the RS-232 interrupt enable byte | |
| F0A8 | F0 11 | BEQ $F0BB | if no interrupts enabled just exit | |
| F0AA | AD A1 02 | LDA $02A1 | get the RS-232 interrupt enable byte | |
| F0AD | 29 03 | AND #%00000011 | mask 0000 00xx, the error bits | |
| F0AF | D0 F9 | BNE $F0AA | if there are errors loop | |
| F0B1 | A9 10 | LDA #$10 | disable FLAG interrupt | |
| F0B3 | 8D 0D DD | STA $DD0D | save VIA 2 ICR | |
| F0B6 | A9 00 | LDA #$00 | clear A | |
| F0B8 | 8D A1 02 | STA $02A1 | clear the RS-232 interrupt enable byte | |
| F0BB | 68 | PLA | restore A | |
| F0BC | 60 | RTS | ||
| Prev: F086 | Up: Map | Next: F0BD |