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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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v_10_11
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1011035a
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1992-09-16
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555b
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20 lines
Listing 1
/* ----------- tinyexec.h------------ */
#define TIMER 8
/* interrupt vector for this real time clock */
#define TIMR1_C 0x43
/* control register for xt timer intel 8253 */
#define TIMR1_T1 0x40
/* timer register for xt timer intel 8253 */
#define LOAD_T1 0x34
/* select load timer 1 register 2 bytes */
#define XT8259 0x20
/* define port to clear xt interrupt controller */
#define CLR_INT 0x20
/* define nonspecific interrupt clear for intel 8259 */
#define IN_PROC 0x80
#define REQ_TASK 0X40
/* ----------- end tinyexec.h------------ */