mirror of
https://github.com/RevCurtisP/C02.git
synced 2024-11-29 01:49:19 +00:00
42 lines
1.4 KiB
Plaintext
42 lines
1.4 KiB
Plaintext
/* Apple 1 Header File */
|
|
|
|
/* Monitor Variables */
|
|
char xaml, xamh; //Examine Index
|
|
char stl, sth; //Store Index
|
|
char hexl,hexh; //Hex Data
|
|
char ysave; //Y Register Storage
|
|
char mode; //Mode: Store, Examine, Block Examine
|
|
char buffer[]; //Input Buffer
|
|
|
|
/* Standard Library Variables */
|
|
char srclo,srchi; //Source String Pointer for Library Functions
|
|
char dstlo,dsthi; //Destination String 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
|
|
|
|
//PIA 6820 Registers
|
|
char kbd; //Keyboard Data
|
|
char kbdcr; //Keyboard Control Register
|
|
char dsp; //Display Data
|
|
char dspcr; //Display 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 plkey(); //Poll Console for character
|
|
char rdkey(); //Wait for character from Console
|
|
char getkey(); //Read ASCII character from Console
|
|
void newlin(); //Advance cursor to beginning of next line
|
|
void prchr(); //Print ASCII character to Console
|
|
void setdst(); //Set Destination Pointer
|
|
void setsrc(); //Set Source Pointer
|