mirror of https://github.com/RevCurtisP/C02.git
63 lines
2.1 KiB
Plaintext
63 lines
2.1 KiB
Plaintext
C02 Header File for py65mon
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At the beginning of the program use the directive
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#include <py65.h02>
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This must be the first include directive.
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Defined zero-page memory locations (variables):
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srclo, srchi Source String Pointer (used by library functions).
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dstlo, dsthi Destination String Pointer (used by library functions).
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Defined functions:
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delchr(); Moves cursor one character to the left and
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deletes character in that position.
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Note: Writes backspace, space, backspace
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via prchr($08), prchr($20), and prchr($08).
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c = getkey(); Waits for keypress and returns ASCII code of
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key that was pressed.
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Note: Aliased to rdkey().
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newlin(); Advances the cursor to the beginning of then
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next line.
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Note: Writes carriage return and line feed
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via prchr($0D) and prchr($0A).
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c = rdkey(); Waits for keypress and returns ASCII code of
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key that was pressed.
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Note: Continuously reads from memory location
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getc until a non-zero value is returned.
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prchr(c); Prints character to screen.
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Note: Writes argument to memory location putc.
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resdst(); Restores the destination pointer from temp1 and
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temp2, respectively.
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resreg(); Restores the A, X, and Y registers from temp1,
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temp1, and temp2, respectively.
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resrxy(); Restores the X and Y registers from temp1 and
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temp2, respectively.
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savdst(); Saves the destination pointer in temp1 and temp2,
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respectively.
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Note: Calls getdst() and savrxy().
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savreg(); Saves the A, X, and Y registers in temp0, temp1,
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and temp2, respectively.
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savrxy(); Saves the X and Y registers in temp1 and temp2,
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respectively.
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