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81 lines
2.5 KiB
Plaintext
81 lines
2.5 KiB
Plaintext
/*********************************************
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* veramem.h02 - Memory Access Functions for *
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* Commander X16 VERA Chip *
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* *
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* Requires: x16.h02 *
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* stddef.h02 *
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*********************************************/
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/* Check Vera Memory Address *
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* Args: char opts - Bank | Auto-Increment *
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* int addr - Address *
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* Returns: char valid - #TRUE or #FALSE */
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char chkadr();
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/* Clear Vera Memory *
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* Args: char n - Number of Bytes *
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* Requires: setadr(bank,addr) */
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char clrmem();
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/* Fill Vera Memory *
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* Args: char b - Byte to Write *
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* char n - Number of Bytes *
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* Requires: setadr(bank,addr) */
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char filmem();
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/* Get Vera Memory Address *
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* Returns: char bank - Address Bits 16-19 *
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* int addr - Address Bits 0-15 */
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char getadr();
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/* Read Byte from Vera Memory *
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* Args: char bank - Address Bits 16-19 *
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* int addr - Address Bits 0-15 *
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* Returns: char byte - Contents of Memory */
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char getbyt();
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/* Read Integer from Vera Memory *
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* Args: char bank - Address Bits 16-19 *
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* int addr - Address Bits 0-15 *
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* Returns: int byte - Contents of Memory */
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char getint();
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/* Read from Vera Memory into Array *
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* Args: char n - Number of Bytes *
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* int d - Address of Array *
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* Requires: setadr(bank,addr) *
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* Returns: char count - Bytes Written */
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char getmem();
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/* Set Address to Internal Register *
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* Args: int addr - Register Address *
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char regadr();
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/* Set Vera Address with Auto-Increment *
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* Args: char opts - Bank *
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* int addr - Address *
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char setadi();
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/* Set Vera Memory Address *
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* Args: char opts - Bank | Auto-Increment *
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* int addr - Address *
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char setadr();
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/* Write Byte to Vera Memory *
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* Args: char byte - Byte to Write *
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* Requires: setadr(bank,addr) */
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char setbyt();
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/* Write Integer to Vera Memory *
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* Args: int word - Integer to Write *
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* Requires: setadr(bank,addr) */
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char setint();
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/* Write from Array to Vera Memory *
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* Args: char n - Number of Bytes *
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* int d - Address of Array *
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* Requires: setadr(bank,addr) *
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* Returns: char count - Bytes Written */
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char setmem();
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