initial commit

oscar64/include/c64/kernalio.h

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+#ifndef C64_KERNALIO_H
+#define C64_KERNALIO_H
+
+// Error and status codes returned by krnio_status
+
+enum krnioerr
+{
+	KRNIO_OK = 0,
+	KRNIO_DIR = 0x01,
+	KRNIO_TIMEOUT = 0x02,
+	KRNIO_SHORT = 0x04,
+	KRNIO_LONG = 0x08,
+	KRNIO_VERIFY = 0x10,
+	KRNIO_CHKSUM = 0x20,
+	KRNIO_EOF = 0x40,
+	KRNIO_NODEVICE = 0x80
+};
+
+extern krnioerr krnio_pstatus[16];
+
+#if defined(__C128__) || defined(__C128B__) || defined(__C128E__)
+// C128: Set bank for load/save and filename for next file operations
+void krnio_setbnk(char filebank, char namebank);
+#endif
+
+// Set filename for next krnio_open operation, make sure
+// that the string is still valid when calling krnio_open
+
+void krnio_setnam(const char * name);
+
+void krnio_setnam_n(const char * name, char len);
+
+// open a kernal file/stream/io channel, returns true on success
+
+bool krnio_open(char fnum, char device, char channel);
+
+// close a kernal file/stream/io channel
+
+void krnio_close(char fnum);
+
+// get the error / status of the last io operation
+
+krnioerr krnio_status(void);
+
+bool krnio_load(char fnum, char device, char channel);
+
+bool krnio_save(char device, const char* start, const char* end);
+
+// select the given file for stream output
+
+bool krnio_chkout(char fnum);
+
+// select the given file for stream input
+
+bool krnio_chkin(char fnum);
+
+// clear input and output file selection
+
+void krnio_clrchn(void);
+
+// write a single byte to the current output channel
+
+bool krnio_chrout(char ch);
+
+// read a single byte from the current input channel
+
+char krnio_chrin(void);
+
+// read a single byte from the given file/channel, returns
+// a negative result on failure.  If this was the last byte
+// the bit #8 (0x0100) will be set in the return value
+
+int krnio_getch(char fnum);
+
+// write a single byte to the given file/channel, returns
+// a negative value on failure.
+
+int krnio_putch(char fnum, char ch);
+
+// write an array of bytes to the given file/channel
+
+int krnio_write(char fnum, const char * data, int num);
+
+// write a zero terminated string to the given file/channel
+
+int krnio_puts(char fnum, const char * data);
+
+// read an array of bytes from the given file, returns the number
+// of bytes read, or a negative number on failure
+
+int krnio_read(char fnum, char * data, int num);
+
+int krnio_read_lzo(char fnum, char * data);
+
+// read a line from the given file, terminated by a CR or LF character
+// and appends a zero byte.
+
+int krnio_gets(char fnum, char * data, int num);
+
+#pragma compile("kernalio.c")
+
+#endif