| /trunk/fifo.c |
|---|
| 13,6 → 13,7 |
| u8 fifo_put (fifo_t *f, const u8 data) |
| { |
| if(f->buffer == 0) return(0); |
| if (f->count >= f->size) return(0); // return 0 in case of FIFO overflow. |
| if(f->putvicsource != NO_ITLine) VIC_ITCmd(f->putvicsource, DISABLE); |
| *(f->pwrite++) = data; // copy data byte to buffer |
| 24,6 → 25,7 |
| u8 fifo_get (fifo_t *f, u8 *pdata) |
| { |
| if(f->buffer == 0) return(0); |
| if(!f->count) return(0); |
| if(f->getvicsource != NO_ITLine) VIC_ITCmd(f->getvicsource, DISABLE); |
| *pdata = *(f->pread++); |