diff options
Diffstat (limited to 'cmt/midibuff.h')
-rw-r--r-- | cmt/midibuff.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/cmt/midibuff.h b/cmt/midibuff.h new file mode 100644 index 0000000..f8dc1c1 --- /dev/null +++ b/cmt/midibuff.h @@ -0,0 +1,23 @@ +/* midibuff.h -- defines the size of the midi input buffer */ + +/* midi input buffer */ +/* WARNING: BUFF_SIZE must be a power of 2 so we can use masking to wrap */ +#define EVENT_COUNT 128 +#define EVENT_SIZE 4 +#define BUFF_SIZE (EVENT_COUNT * EVENT_SIZE) +#define BUFF_MASK (BUFF_SIZE - 1) + +#ifdef WINDOWS +#define huge +#endif + +extern byte huge *xbuff; /* application-supplied sysex buffer */ +extern long xbufmask; /* mask for circular buffer */ +extern long xbufhead; /* buffer head and tail offsets */ +extern long xbuftail; +extern int midi_error; +/* midi input buffer */ +/* data buffer, declared long to get 32-bit alignment: */ +extern long buff[BUFF_SIZE/4]; +extern int buffhead; /* buffer head and tail pointers */ +extern int bufftail; |