mirror of
https://github.com/RevCurtisP/C02.git
synced 2024-11-30 23:50:04 +00:00
50 lines
1.6 KiB
Plaintext
50 lines
1.6 KiB
Plaintext
/* Apple ][ Header File */
|
|
|
|
/* Platform Specific Constants */
|
|
#define DELKEY $08 //Delete/Backspace Key
|
|
#define ESCKEY $1B //Escape/Stop Key
|
|
#define RTNKEY $0D //Return/Enter Key
|
|
#define SYSBFL 255 //System Buffer Length
|
|
|
|
/* Standard Library Pointers */
|
|
zeropage int srcptr, dstptr, bfrptr, blkptr;
|
|
char bfrlo,bfrhi; //Buffer Pointer for Library Functions
|
|
char stklo,stkhi; //System Pointer
|
|
|
|
/* Standard Library Variables */
|
|
int blkbgn, blkend; //Block Start and End Address
|
|
char blklen; //Block Segment Length
|
|
char stkslo, stkshi; //Stack Start Address
|
|
char stkelo, stkehi; //Stsck End Address
|
|
char random, rdseed; //Pseudo-Random Number Generation
|
|
char temp0, temp1, temp2, temp3; //Temporary Variables
|
|
char sysbfr[], sysbfp; //System String Buffer and Position
|
|
|
|
/* Platform Specific Variables */
|
|
char invflg; //Video Invert Mask
|
|
|
|
/* Keyboard I/O */
|
|
char kbd; //Keyboard Data Register
|
|
char akd; //Keyboard Strobe Register
|
|
|
|
/* Monitor Subroutines */
|
|
void prbyte(); //Print Accumulator as Hexadecimal number
|
|
void prhex(); //Print Low Nybble of Accumulator as Hex Digit
|
|
|
|
/* System Subroutines */
|
|
void clrscr(); //Clear the Screen
|
|
void delchr(); //Delete previous character
|
|
char getchr(); //Wait for character from Console
|
|
char getkey(); //Read ASCII character from Console
|
|
char getpos(); //Get Cursor Position
|
|
char getsiz(); //Get Screen Size
|
|
void newlin(); //Advance cursor to beginning of next line
|
|
char polkey(); //Poll Console for character
|
|
char putchr(); //Print ASCII character to Console
|
|
char putstr(); //Print ASCII string to Console
|
|
void setpos(); //Set Cursor Position
|
|
|
|
//System Labels
|
|
start: //Start of Code
|
|
exit: //Return to Operating System
|