77 lines
2.2 KiB
C
77 lines
2.2 KiB
C
/*
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tefti.h
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TEFTI DLL information and API definitions
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*/
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/* * * * * TEFTI TIMER BOARD * * * * *
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;
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; Base port address is variable depending on jumper settings of
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; card. Port address will default to 220h, but can also be set
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; for DLL to read from system.ini during initialization. This is
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; particularly necessary for Multimedia Windows becuase the default
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; port address for the SoundBlaster audio card is 220h.
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;
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; Jumper Definition
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;
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; --------------
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; 20|
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; | A7 A6 A5 A4
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; 19|
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; --------------
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;
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; Jumper defines the BASE address per the following table:
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;
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; A7 A6 A5 A4 system.ini port= entry
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;
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; 0 0 0 0 200h 200
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; 0 0 0 1 210h 210
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; 0 0 1 0 220h 220
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; 0 0 1 1 230h 230
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; 0 1 0 0 240h 240
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; 0 1 0 1 250h 250
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; 0 1 1 0 260h 260
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; 0 1 1 1 270h 270
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; 1 0 0 0 280h 280
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; 1 0 0 1 290h 290
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; 1 0 1 0 2A0h 300
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; 1 0 1 1 2B0h 310
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; 1 1 0 0 2C0h 320
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; 1 1 0 1 2D0h 330
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; 1 1 1 0 2E0h 340
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; 1 1 1 1 2F0h 350
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;
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;
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; Jumper in place corresponds to '0' in that particular position.
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;
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; Frequency for counter 1 is variable depending on system.ini section
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; or zero for default. counter 3 is chained to counter 1 to hold all
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; overflow, producing a 32 bit counter value.
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;
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; Frequency setting are per the following table:
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;
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; Value Frequency Resolution Approx. Time to rollover (32 bit)
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;
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; 0 1Mhz 1 microsec 1hr. 11min. 57sec.
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; 1 250Khz 4 microsec 4hr. 47min. 48sec.
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; 2 62.5Khz 16 microsec 15hr. 11min. 12sec.
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; 3 15.625Khz 64 microsec 60hr. 44min. 48sec.
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; 4 7.8125Khz 256 microsec 242hr. 15min. 12sec.
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; 5 976.5625Hz 1.024 millisec .
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; 6 122.0703Hz 8.196 millisec a LONG . TIME!
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; 7 30.5175Hz 32.784 millisec .
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;
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;* * * * * * * * * * * * * * * * * * */
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void far pascal StartTimer(void);
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void far pascal StopTimer(void);
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void far pascal ResetTimer(void);
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unsigned long far pascal GetTimer(void);
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unsigned long far pascal SnapTimer(void);
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WORD far pascal InitTimer(void);
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short far pascal IT(void);
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void far pascal EndTimer(void);
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