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mirror of https://github.com/RevCurtisP/C02.git synced 2024-11-21 10:32:08 +00:00

Cleaned up system header files

This commit is contained in:
Curtis F Kaylor 2019-11-15 13:27:55 -05:00
parent 51bf4514d6
commit 508533b148
4 changed files with 36 additions and 24 deletions

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@ -35,3 +35,7 @@ void newlin(); //Advance cursor to beginning of next line
char putchr(); //Print ASCII character to Console
void setdst(); //Set Destination Pointer
void setsrc(); //Set Source Pointer
//System Labels
start: //Start of Code
exit: //Return to Operating System

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@ -1,26 +1,29 @@
; c02 Program Initialization Code for Unexpanded VIC-20
; c02 Program Initialization Code for Commodore 64
;PETSCII Key Mappings
DELKEY EQU $14 ;Delete/Backspace Key (Delete)
ESCKEY EQU $03 ;Escape/Stop Key (RUN/STOP)
RTNKEY EQU $0D ;Return/Enter Key (RETURN)
DELKEY EQU $14 ;Delete/Backspace Key (Delete)
ESCKEY EQU $03 ;Escape/Stop Key (RUN/STOP)
RTNKEY EQU $0D ;Return/Enter Key (RETURN)
;Zero Page Variables
SRCLO EQU $22 ;Source Pointer LSB [Temporary Pointers]
SRCHI EQU $23 ;Source Pointer MSB [Temporary Pointers]
DSTLO EQU $24 ;Destination Pointer LSB [Temporary Pointers]
DSTHI EQU $25 ;Destination Pointer MSB [Temporary Pointers]
BLKLO EQU $26 ;Block Pointer LSB [Floating Point Work Area]
BLKHI EQU $27 ;Block Pointer MSB [Floating Point Work Area]
STKLO EQU $28 ;Stack Pointer LSB [Floating Point Work Area]
STKHI EQU $29 ;Stack Pointer MSB [Floating Point Work Area]
BFRLO EQU $35 ;Buffer Pointer LSB [Temporary String Pointer]
BFRHI EQU $36 ;Buffer Pointer MSB [Temporary String Pointer]
RDSEED EQU $A2 ;Random Seed [Software Jiffy Clock (Low Byte)]
TEMP0 EQU $FB ;Temporary Variable [Unused Byte]
TEMP1 EQU $FC ;Temporary Variable [Unused Byte]
TEMP2 EQU $FD ;Temporary Variable [Unused Byte]
TEMP3 EQU $FE ;Temporary Variable [Unused Byte]
XMBANK EQU $0A ;Extended Memory Bank (Load/Verify Flag)
XADRLO EQU $0B ;Ext Memory Address LSB (Text Index/Array Size)
XADRHI EQU $0C ;Ext Memory Address MSB (Array Dimension Fkags)
SRCLO EQU $22 ;Source Pointer LSB [Temporary Pointers]
SRCHI EQU $23 ;Source Pointer MSB [Temporary Pointers]
DSTLO EQU $24 ;Destination Pointer LSB [Temporary Pointers]
DSTHI EQU $25 ;Destination Pointer MSB [Temporary Pointers]
BLKLO EQU $26 ;Block Pointer LSB [Floating Point Work Area]
BLKHI EQU $27 ;Block Pointer MSB [Floating Point Work Area]
STKLO EQU $28 ;Stack Pointer LSB [Floating Point Work Area]
STKHI EQU $29 ;Stack Pointer MSB [Floating Point Work Area]
BFRLO EQU $35 ;Buffer Pointer LSB [Temporary String Pointer]
BFRHI EQU $36 ;Buffer Pointer MSB [Temporary String Pointer]
RDSEED EQU $A2 ;Random Seed [Software Jiffy Clock (Low Byte)]
TEMP0 EQU $FB ;Temporary Variable [Unused Byte]
TEMP1 EQU $FC ;Temporary Variable [Unused Byte]
TEMP2 EQU $FD ;Temporary Variable [Unused Byte]
TEMP3 EQU $FE ;Temporary Variable [Unused Byte]
;System Variables
USER3 EQU $0313 ;Free Byte for User Programs
@ -51,7 +54,7 @@ FSFLFA EQU $F314 ;Find Logical File A
;Machine Language Basic Stub
ORG $0801 ;Start of Basic Program
BASIC: DC $0C, $10 ;Pointer to Next Line (4109)
BASIC: DC $0C, $08 ;Pointer to Next Line
DC $00, $00 ;Line Number (0)
DC $9E ;SYS
DC $20 ;' '
@ -91,4 +94,9 @@ NEWLIN: LDX #0 ;Store 0
STX $D3 ;in Cursor Column and
JMP $E87C ;Execute NXTLINE Routine
;Print Zero Delimited String to Screen
PUTSTR: TXA ;Copy LSB to Accumulator
JMP $AB1E ;Execute STROUT
INCLUDE "../include/prbyte.a02" ;PRBYTE and PRHEX routine

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@ -23,7 +23,7 @@ char temp0, temp1, temp2, temp3; //Temporary Storage
//Memory Mapped I/O
char putcon; //Write Character to Console
char getcomn; //Read Character from Console
char getcon; //Read Character from Console
//System Subroutines
char polkey(); //Poll Console for character

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@ -1,6 +1,6 @@
/************************************************
* template - Template Library Routines for C02 *
************************************************/
/***************************************************
* template.a02 - Template Module Routines for C02 *
***************************************************/
/* Function Description *
* Args: a - First Argument *