mirror of
https://github.com/RevCurtisP/C02.git
synced 2024-11-25 21:33:44 +00:00
112 lines
3.7 KiB
Plaintext
112 lines
3.7 KiB
Plaintext
/*****************+*************************
|
|
* memio - Functions to read/write memory *
|
|
******************************************/
|
|
|
|
/* Return Memory File Pointer Contents *
|
|
* Args: mp - memory file pointer *
|
|
* Returns: Tuple *
|
|
memory pointer address LSB *
|
|
memory pointer address MSB */
|
|
char maddr();
|
|
|
|
/* Open Memory File *
|
|
* Sets starting address to read/write *
|
|
* Args: zp - zero page pointer address *
|
|
* &a - base address to read/write *
|
|
* Returns: memory file pointer *
|
|
* 0 if base address is invalid */
|
|
char mopen();
|
|
|
|
/* Close Memory File *
|
|
* Writes EOF at current memory byte *
|
|
* and cleares memory pointer *
|
|
* Args: mp - memory file pointer *
|
|
* Returns: 0 if successful *
|
|
255 if memory pointer invalid */
|
|
char mclose();
|
|
|
|
/* End of Memory File *
|
|
* Checks for EOF in next memory byte *
|
|
* Args: mp - memory file pointer *
|
|
* Returns: 0 if not at end of file *
|
|
255 if end of file reached */
|
|
char meof();
|
|
|
|
/* Memory File Error *
|
|
* Checks for valid memory pointer *
|
|
* Args: mp - memory file pointer *
|
|
* Returns: 0 if successful *
|
|
255 if memory pointer invalid */
|
|
char merror();
|
|
|
|
/* Flush File Buffer *
|
|
* Writes EOF at current memory byte *
|
|
* Args: mp - memory file pointer *
|
|
* Returns: 0 if successful *
|
|
255 if memory pointer invalid */
|
|
char mflush();
|
|
|
|
/* Read Character from Memory File *
|
|
* Args: mp - memory file pointer *
|
|
* Returns: ASCII value of character *
|
|
* system dependent garbage *
|
|
character if past end of file *
|
|
255 if memory pointer invalid */
|
|
char mgetc();
|
|
|
|
/* Write Character to Memory File *
|
|
* Args: mp - memory file pointer *
|
|
* c - ASCII character to write *
|
|
* Returns: 0 if successful *
|
|
255 if memory pointer invalid */
|
|
char mputc();
|
|
|
|
/* Read String from Memory File *
|
|
* Buffers up to 128 characters *
|
|
* until C/R or EOF is found *
|
|
* Args: mp - memory file pointer *
|
|
* &s - string read from memory *
|
|
* Returns: Tuple *
|
|
* length of string *
|
|
* (255 if error during read) *
|
|
* last character read */
|
|
char mgets();
|
|
|
|
/* Write String to Memory File *
|
|
* Writes up to 128 characters of a *
|
|
* null terminated string *
|
|
* Args: mp - memory file pointer *
|
|
* &s - string to write from *
|
|
* Returns: ending position in string *
|
|
* 255 if error during write */
|
|
char mputs();
|
|
|
|
/* Write Line to Memory File *
|
|
* Write String to File followed by C/R *
|
|
* Args: mp - memory file pointer *
|
|
* &s - string to print from *
|
|
* Returns: ending position in string *
|
|
* 255 if error during write */
|
|
char mputln();
|
|
|
|
/* Set Destination Array for fread() *
|
|
* Args: &a - Destination array */
|
|
void mdst();
|
|
|
|
/* Read Bytes from Memory File *
|
|
* Reads until End of Memory is reached *
|
|
* Args: mp - memory file pointer *
|
|
* n - number of bytes to read *
|
|
* Returns: number of bytes read */
|
|
char mread();
|
|
|
|
/* Set Source Array for fwrite() *
|
|
* Args: &a - Source array */
|
|
void msrc();
|
|
|
|
/* Write Bytes to Memory File *
|
|
* Args: mp - memory file pointer *
|
|
* n - number of bytes to write *
|
|
* Returns: number of bytes written */
|
|
char mwrite();
|