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The C Users' Group Library 1994 August
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wc-cdrom-cusersgrouplibrary-1994-08.iso
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vol_100
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108_01
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clock.h
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1985-11-14
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#define CLOCK 32 /* Base port for Mountain Hardware clock */
#define USEC100 CLOCK /* Hundreds of microseconds digit port */
#define MSEC1 CLOCK+1 /* Unit milliseconds digit port */
#define MSEC10 CLOCK+2 /* Tens of milliseconds digit port */
#define MSEC100 CLOCK+3 /* Hundreds of milliseconds digit port */
#define SEC1 CLOCK+4 /* Unit seconds digit port */
#define SEC10 CLOCK+5 /* Tens of seconds digit port */
#define MIN1 CLOCK+6 /* Unit miniutes digit port */
#define MIN10 CLOCK+7 /* Tens of minutes digit port */
#define HOUR1 CLOCK+8 /* Unit hours digit port */
#define HOUR10 CLOCK+9 /* Tens of hours digit port */
#define DAY1 CLOCK+10 /* Unit days digit port */
#define DAY10 CLOCK+11 /* Tens of days digit port */
#define DAY100 CLOCK+12 /* Hundreds of days digit port */
#define DAY1K CLOCK+13 /* Thousands of days digit port */
#define DAY10K CLOCK+14 /* Ten of thousands of days digit port */
#define CINTER CLOCK+15 /* Interupt set port */
#define MASK 0X000F /* Digit bit mask, lower 4 bits BDC digit */