Lines Matching defs:buffer_head
4821 Bit16u buffer_start, buffer_end, buffer_head, buffer_tail;
4833 buffer_head = read_word(0x0040, 0x001a);
4836 if (buffer_head != buffer_tail) {
4838 acode = read_byte(0x0040, buffer_head);
4839 scode = read_byte(0x0040, buffer_head+1);
4844 buffer_head += 2;
4845 if (buffer_head >= buffer_end)
4846 buffer_head = buffer_start;
4847 write_word(0x0040, 0x001a, buffer_head);
5132 Bit16u buffer_start, buffer_end, buffer_head, buffer_tail, temp_tail;
5142 buffer_head = read_word(0x0040, 0x001A);
5150 if (buffer_tail == buffer_head) {
