/* C02 Minimal Header File for Apple II */ /* Monitor Variables */ //PIA 6820 Registers char kbd; //Keyboard Data char kbdcr; //Keyboard Control Register //Monitor Subroutines void echo(); //Print Character in Accumulator void prbyte(); //Print Accumulator as Hexadadecimal number void prhex(); //Print Low Nybble of Accumulator as Hex Digit //System Subroutines char rdkey(); //Wait for raw character from Keyboard