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C02/include/appl2std.h02
2019-11-15 13:27:55 -05:00

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/* Apple ][ Header File */
/* Monitor Variables */
/* Standard Library Variables */
char srclo,srchi; //Source String Pointer for Library Functions
char dstlo,dsthi; //Destination String Pointer for Library Functions
char bfrlo,bfrhi; //Buffer Pointer for Library Functions
char blklo,blkhi; //Block Segment Pointer
char ptrlo,ptrhi; //System Pointer
char blkslo, blkshi; //Block Start Address
char blkelo, blkehi; //Block End Address
char blklen; //Block Segment Length
char temp0, temp1, temp2, temp3; //Temporary Variables
//System Variables
char invflg; //Video Invert Mask
//Keyboard I/O
char kbd; //Keyboard Data Register
char abd; //Keyboard Strobe 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 polkey(); //Poll Console for character
char getchr(); //Wait for character from Console
char getkey(); //Read ASCII character from Console
void newlin(); //Advance cursor to beginning of next line
char putchr(); //Print ASCII character to Console
void setdst(); //Set Destination Pointer
void setsrc(); //Set Source Pointer
//System Labels
start: //Start of Code
exit: //Return to Operating System