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49 lines
1.6 KiB
Plaintext
49 lines
1.6 KiB
Plaintext
/* Apple 1 Header File */
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/* Monitor Variables */
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char xaml, xamh; //Examine Index
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char stl, sth; //Store Index
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char hexl,hexh; //Hex Data
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char ysave; //Y Register Storage
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char mode; //Mode: Store, Examine, Block Examine
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char buffer[]; //Input Buffer
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//Platform Specific Constants
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#define DELKEY $5F //Delete/Backspace Key
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#define ESCKEY $1B //Escape/Stop Key
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#define RTNKEY $0D //Return/Enter Key
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/* Standard Library Variables */
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char srclo,srchi; //Source String Pointer for Library Functions
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char dstlo,dsthi; //Destination String Pointer for Library Functions
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char blklo,blkhi; //Block Segment Pointer
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char stklo,skthi; //System Pointer
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char blkslo, blkshi; //Block Start Address
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char blkelo, blkehi; //Block End Address
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char blklen; //Block Segment Length
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char stkslo, stkshi; //Stack Start Address
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char stkelo, stkehi; //Stack End Address
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char temp0, temp1, temp2, temp3; //Temporary Variables
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//PIA 6820 Registers
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char kbd; //Keyboard Data
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char kbdcr; //Keyboard Control Register
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char dsp; //Display Data
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char dspcr; //Display Control Register
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//Monitor Subroutines
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void echo(); //Print Character in Accumulator
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void prbyte(); //Print Accumulator as Hexadadecimal number
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void prhex(); //Print Low Nybble of Accumulator as Hex Digit
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//System Subroutines
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void delchr(); //Delete previous character
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char getkey(); //Read ASCII character from Console
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void newlin(); //Advance cursor to beginning of next line
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char polkey(); //Poll Console for character
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char putchr(); //Print ASCII character to Console
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char getchr(); //Wait for character from Console
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