mirror of
https://github.com/RevCurtisP/C02.git
synced 2024-12-01 14:51:52 +00:00
25 lines
838 B
Plaintext
25 lines
838 B
Plaintext
/* VIC0-20 $A000 Header File *
|
|
* Compiles into Block 5 RAM at $A000 *
|
|
* Load using LOAD "progfile",8,1 *
|
|
* Execute using SYS 40960 */
|
|
|
|
//Zero Page Variables
|
|
char srchi, srclo; //Source Pointer
|
|
char dsthi, dstlo; //Destination Pointer
|
|
|
|
|
|
//Kernal Routines Memory Mapped I/O
|
|
char chrin(); //Input Character to Channel
|
|
void chrout(); //Output Character to Channel
|
|
char getin(); //Read Character from Keyboard Buffer
|
|
|
|
//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 prbyte(); //Print Accumulator as Hexadadecimal number
|
|
void prhex(); //Print Low Nybble of Accumulator as Hex Digit
|
|
|