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added definition for DCB

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git-svn-id: svn://svn.cc65.org/cc65/trunk@446 b7a2c559-68d2-44c3-8de9-860c34a00d81
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cpg 2000-11-19 01:53:29 +00:00
parent 56489eb834
commit 5ad8b34061
1 changed files with 15 additions and 0 deletions
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15
include/atari.h
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@ -171,5 +171,20 @@ extern unsigned int get_ostype(void); /* get ROM version */
#include <_antic.h>
#define ANTIC (*(struct __antic*)0xD400)
/* device control block */
struct __dcb {
unsigned char device; /* device id */
unsigned char unit; /* unix number */
unsigned char command; /* command */
unsigned char status; /* command type / status return */
void *buffer; /* pointer to buffer */
unsigned char timeout; /* device timeout in seconds */
unsigned char unused;
unsigned int xfersize; /* # of bytes to transfer */
unsigned char aux1; /* 1st command auxiliary byte */
unsigned char aux2; /* 2nd command auxiliary byte */
};
#define DCB (*(struct __dcb *)0x300)
/* End of atari.h */
#endif /* #ifndef _ATARI_H */