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80 lines
1.6 KiB
Plaintext
80 lines
1.6 KiB
Plaintext
/* C02 Standard Definitions File *
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* Contains common constants and *
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* functions used in libraries. */
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/* Constant Definitions */
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#define TRUE $FF
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#define FALSE $00
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/* Add to Destination Pointer *
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* Args: &n - amount to add */
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void adddst();
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/* Add to Source Pointer *
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* Args: &n - amount to add */
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void addsrc();
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/* Add to Zero Page Word *
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* Args: z - Zero page address *
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* &n - amount to add */
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void addzpw();
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/* Decrement X, and Y Registers */
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int decrxy();
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/* Get Destination Pointer *
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* Returns: Y,X=Destination address */
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int getdst();
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/* Get Source Pointer *
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* Returns: Y,X=Source address */
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int getsrc();
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/* Increment X, and Y Registers */
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int incrxy();
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/* Restore Destination Pointer *
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* Returns: Y,X=Destination address */
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int resdst();
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/* Restore A, X, and Y Registers *
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* Returns: A,Y,X=Saved Values */
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char resreg();
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/* Restore X, and Y Registers *
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* Returns: Y,X=Saved Values */
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int resrxy();
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/* Restore Source Pointer *
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* Returns: Y,X=Source address */
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int ressrc();
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/* Save Destination Pointer *
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* Returns: Y,X=Destination address */
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int savdst();
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/* Save A, X, and Y Registers */
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void savreg();
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/* Save X, and Y Registers */
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void savrxy();
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/* Save Source Pointer *
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* Returns: Y,X=Source address */
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int savsrc();
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/* Set Destination Pointer to Source Pointer */
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int setdss();
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/* Set Destination Pointer *
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* Args: &d - Destination address */
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void setdst();
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/* Set Source Pointer *
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* Args: &d - Source address */
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void setsrc();
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/* Set Source Pointer to Destination Pointer */
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void setsrd();
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