mirror of
https://github.com/RevCurtisP/C02.git
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81 lines
2.4 KiB
Plaintext
81 lines
2.4 KiB
Plaintext
/******************************************
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* block - Block Memory Functions for C02 *
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******************************************/
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/* Set Block Start Address *
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* Args: &b - Start Address */
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void blkbgn();
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/* Set Destination Pointer to Block Start */
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void blkdst();
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/* Set Block End Address *
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* Args: &b - End Address */
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void blkend();
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/* Read Bytes from Block *
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* Args: n - Number of bytes to read *
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* &m - Array containing bytes to read *
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* Returns: A=$FF if bytes were read *
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* $00 if block was overflowed */
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char blkget();
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/* Search Block for Array Contents *
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* Args: n - Search segment size *
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* &m - Array containing bytes to search for *
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* Returns: A=$FF if found *
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* $00 if not found */
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char blkmem();
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/* Move Block Pointer to Next Segment *
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* Returns: A=$FF if successful *
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* $00 if there was an error */
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void blknxt();
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/* Set Block Pointer Address *
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* Args: &d - Address to Set Pointer to */
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char blkptr();
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/* Move Block Pointer to Previous Segment *
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* Returns: A=$FF if successful *
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* $00 if there was an error */
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void blkprv();
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/* Write Bytes to Block *
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* Args: n - Number of bytes to write *
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* &m - Array containing bytes to write *
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* Returns: A=$FF if bytes were written *
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* $00 if block was overflowed */
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char blkput();
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/* Set Block Pointer to Block Start */
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void blkrst();
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/* Set Block Segment Length *
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* Args: n - Length of block segment *
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* Returns: Fill character */
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char blkseg();
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/* Fill Block with Character *
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* Args: c - Character to fill block with *
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* Returns: Fill character */
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char blkset();
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/* Sort Segments in Block *
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* Args: &m - Temporary storage array */
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char blksrt();
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/* Search Block for String *
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* Args: n - Search segment size *
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* &m - Array containing bytes to search for *
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* Returns: A=$FF if found *
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* $00 if not found */
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char blkstr();
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/* Swap Bytes in Array with Block Segment *
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* Args: n - Search segment size *
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* &m - Array containing bytes to swap */
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char blkswp();
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