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35377b5807
commit ed00e1d1b5a9783a72dade3f3676b161a9cfe287
Author: Curtis F Kaylor <revcurtis@gmail.com>
Date: Sun Sep 9 22:20:49 2018 -0400
Documented joystk, paddle, and lgtpen modules
commit ec0a5ede8d1b043fcf0094ea653255a808dbf8d3
Author: Curtis F Kaylor <revcurtis@gmail.com>
Date: Sun Sep 9 20:31:11 2018 -0400
Added joystick, paddle, and lightpen test programs
commit 7b787f432e2f4f7ae5d7f0053ade1d3586a4fad1
Author: Curtis F Kaylor <revcurtis@gmail.com>
Date: Sun Sep 9 20:30:03 2018 -0400
Updated Apple II and VIC-20 Batch Files
commit 50568294349d7e3c6b7d0d364aeaece73c9e4ab6
Author: Curtis F Kaylor <revcurtis@gmail.com>
Date: Sun Sep 9 20:28:09 2018 -0400
Separated light pen code into separate files
commit d45e59f73d55eef1d30c591d19a043ad79cfd81a
Author: Curtis F Kaylor <revcurtis@gmail.com>
Date: Sun Sep 9 19:28:56 2018 -0400
Moved code for paddles into separate include files
commit fc5c5472d758c960332ea14105d5ec4a7c8cbbfb
Author: Curtis F Kaylor <revcurtis@gmail.com>
Date: Sun Sep 9 16:15:32 2018 -0400
Added system specific module 'joystk'
35 lines
1.3 KiB
Plaintext
35 lines
1.3 KiB
Plaintext
/* Unexpanded VIC 20 Header File */
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/* Platform Specific Constants */
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#define DELKEY $14 //Delete/Backspace Key (DEL)
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#define ESCKEY $03 //Escape/Break Key (STOP)
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#define RTNKEY $0D //Return/Enter Key (RETURN)
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/* Standard Library Pointers */
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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,stkhi; //Stack Pointer
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/* Standard Library Variables */
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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; //Stsck End Address
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char random, rdseed; //Pseudo-Random Number Generation
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char temp0, temp1, temp2, temp3; //Temporary Storage
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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 Keyboard
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char getpos(); //Get Cursor Position
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char getsiz(); //Get Screen Size
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void newlin(); //Advance cursor to beginning of next line
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char polkey(); //Poll Keyboard for character
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char putchr(); //Print ASCII character to Keyboard
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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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char getchr(); //Wait for character from Keyboard
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void setpos(); //Set Cursor Position
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