ref: 4cd2e7321078a1407a35ea4ea4c06583d80b2a0a 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)