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- *SUBRUTIN KEYB1
- *Beskrivning:
- *Rutinen används vid simulering
- *Tangentbordet ML2 använder
- *Interfacet ML15
- *Anrop JSR KEYB1
- *Indata: Inga
- *Utdata: Tangentnummer (0-F) för
- *nedtryckt tangent i register A.
- *Reg-påverkan: A
- *Anr sub.: Ingen
- *---------------------------------
- KeyB EQU $600
- Output EQU $400
- ORG $1000
- PSHB
- KeyDown LDAA KeyB
- TSTA
- BPL KeyUp
- BRA KeyDown
- KeyUp LDAA KeyB
- TSTA
- BMI Exit
- BRA KeyUp
- Exit STAA Output
- PULB
- * RTS Should actually be used
- BRA KeyDown
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