ref: 4a7c44fee45b9ba2e2e9ee09071d5ada7c41176d dir: /68020/include/dac.h/
/* * Inmos G17x d/a converter */ typedef struct G170 { uchar waddr; uchar value; uchar mask; uchar raddr; } G170; #define DAC ((G170*)0xc0100000)