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Cleaned up system header files
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@ -35,3 +35,7 @@ void newlin(); //Advance cursor to beginning of next line
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char putchr(); //Print ASCII character to Console
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void setdst(); //Set Destination Pointer
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void setsrc(); //Set Source Pointer
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//System Labels
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start: //Start of Code
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exit: //Return to Operating System
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@ -1,26 +1,29 @@
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; c02 Program Initialization Code for Unexpanded VIC-20
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; c02 Program Initialization Code for Commodore 64
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;PETSCII Key Mappings
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DELKEY EQU $14 ;Delete/Backspace Key (Delete)
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ESCKEY EQU $03 ;Escape/Stop Key (RUN/STOP)
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RTNKEY EQU $0D ;Return/Enter Key (RETURN)
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DELKEY EQU $14 ;Delete/Backspace Key (Delete)
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ESCKEY EQU $03 ;Escape/Stop Key (RUN/STOP)
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RTNKEY EQU $0D ;Return/Enter Key (RETURN)
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;Zero Page Variables
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SRCLO EQU $22 ;Source Pointer LSB [Temporary Pointers]
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SRCHI EQU $23 ;Source Pointer MSB [Temporary Pointers]
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DSTLO EQU $24 ;Destination Pointer LSB [Temporary Pointers]
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DSTHI EQU $25 ;Destination Pointer MSB [Temporary Pointers]
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BLKLO EQU $26 ;Block Pointer LSB [Floating Point Work Area]
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BLKHI EQU $27 ;Block Pointer MSB [Floating Point Work Area]
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STKLO EQU $28 ;Stack Pointer LSB [Floating Point Work Area]
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STKHI EQU $29 ;Stack Pointer MSB [Floating Point Work Area]
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BFRLO EQU $35 ;Buffer Pointer LSB [Temporary String Pointer]
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BFRHI EQU $36 ;Buffer Pointer MSB [Temporary String Pointer]
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RDSEED EQU $A2 ;Random Seed [Software Jiffy Clock (Low Byte)]
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TEMP0 EQU $FB ;Temporary Variable [Unused Byte]
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TEMP1 EQU $FC ;Temporary Variable [Unused Byte]
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TEMP2 EQU $FD ;Temporary Variable [Unused Byte]
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TEMP3 EQU $FE ;Temporary Variable [Unused Byte]
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XMBANK EQU $0A ;Extended Memory Bank (Load/Verify Flag)
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XADRLO EQU $0B ;Ext Memory Address LSB (Text Index/Array Size)
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XADRHI EQU $0C ;Ext Memory Address MSB (Array Dimension Fkags)
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SRCLO EQU $22 ;Source Pointer LSB [Temporary Pointers]
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SRCHI EQU $23 ;Source Pointer MSB [Temporary Pointers]
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DSTLO EQU $24 ;Destination Pointer LSB [Temporary Pointers]
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DSTHI EQU $25 ;Destination Pointer MSB [Temporary Pointers]
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BLKLO EQU $26 ;Block Pointer LSB [Floating Point Work Area]
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BLKHI EQU $27 ;Block Pointer MSB [Floating Point Work Area]
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STKLO EQU $28 ;Stack Pointer LSB [Floating Point Work Area]
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STKHI EQU $29 ;Stack Pointer MSB [Floating Point Work Area]
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BFRLO EQU $35 ;Buffer Pointer LSB [Temporary String Pointer]
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BFRHI EQU $36 ;Buffer Pointer MSB [Temporary String Pointer]
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RDSEED EQU $A2 ;Random Seed [Software Jiffy Clock (Low Byte)]
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TEMP0 EQU $FB ;Temporary Variable [Unused Byte]
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TEMP1 EQU $FC ;Temporary Variable [Unused Byte]
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TEMP2 EQU $FD ;Temporary Variable [Unused Byte]
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TEMP3 EQU $FE ;Temporary Variable [Unused Byte]
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;System Variables
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USER3 EQU $0313 ;Free Byte for User Programs
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@ -51,7 +54,7 @@ FSFLFA EQU $F314 ;Find Logical File A
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;Machine Language Basic Stub
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ORG $0801 ;Start of Basic Program
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BASIC: DC $0C, $10 ;Pointer to Next Line (4109)
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BASIC: DC $0C, $08 ;Pointer to Next Line
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DC $00, $00 ;Line Number (0)
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DC $9E ;SYS
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DC $20 ;' '
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@ -91,4 +94,9 @@ NEWLIN: LDX #0 ;Store 0
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STX $D3 ;in Cursor Column and
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JMP $E87C ;Execute NXTLINE Routine
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;Print Zero Delimited String to Screen
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PUTSTR: TXA ;Copy LSB to Accumulator
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JMP $AB1E ;Execute STROUT
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INCLUDE "../include/prbyte.a02" ;PRBYTE and PRHEX routine
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@ -23,7 +23,7 @@ char temp0, temp1, temp2, temp3; //Temporary Storage
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//Memory Mapped I/O
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char putcon; //Write Character to Console
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char getcomn; //Read Character from Console
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char getcon; //Read Character from Console
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//System Subroutines
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char polkey(); //Poll Console for character
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@ -1,6 +1,6 @@
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/************************************************
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* template - Template Library Routines for C02 *
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************************************************/
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/***************************************************
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* template.a02 - Template Module Routines for C02 *
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***************************************************/
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/* Function Description *
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* Args: a - First Argument *
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