2.1.1.3.1.1. CP/M BDOS System Call Example
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2.1.1.3.1.1. CP/M BDOS System Call Example
ReadKey:    mvi     c,1         ; keyboard read service
            call    5           ; call BDOS entry point
            cpi     a,0Dh       ; is returned key code ENTER ?
            jnz     ReadKey     ; repeat keyboard read until it is
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2.1.1.3.1. Example: CP/M System Call Interface Home 2.1.1.3.1.2. CP/M BIOS System Call Entry Points