ref: a5a475be2a9d72c7e60bcc6f5b013ca655384d7a 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)