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Measurement Computing Personal488 rev.3.0 For DOS & Windows 3.Xi User Manual

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Personal488 User’s Manual, Rev. 3.0

vii

Configuration of Named Devices.........................................................................................II-46
Use of External Devices.........................................................................................................II-47
Direct I/O with DOS Devices ................................................................................................II-47
Extensions For Multiple Interfaces.....................................................................................II-48

Duplicate Device Names ............................................................................................................II-48
Access of Multiple Interfaces .....................................................................................................II-48
Example ......................................................................................................................................II-49

8D. Getting Started...................................................................................... II-49

Introduction ...........................................................................................................................II-49
Keyboard Controller Program .............................................................................................II-50
Direct Control from DOS Using CCL ..................................................................................II-51

8E. Microsoft C.............................................................................................. II-53

Use of the Character Command Language........................................................................II-53
Initialization of the System..................................................................................................II-53
Configuration of the 195 DMM ............................................................................................II-56
Taking Readings....................................................................................................................II-56
Buffer Transfers.....................................................................................................................II-56
Interrupt Handling ...............................................................................................................II-57
IEEEIO.C.................................................................................................................................II-59
CRITERR.ASM (Microsoft C & Turbo C)............................................................................II-61
Sample Program ....................................................................................................................II-62

8F. Microsoft Fortran.................................................................................. II-63

Sample Program ....................................................................................................................II-63

8G. QuickBASIC ........................................................................................... II-64

Use of the Character Command Language........................................................................II-64
Initialization of the System..................................................................................................II-64
Configuration of the 195 DMM ............................................................................................II-66
Taking Readings....................................................................................................................II-66
Buffer Transfers.....................................................................................................................II-67
BASIC VARPTR & SADDR ...................................................................................................II-68
Interrupt Handling ...............................................................................................................II-68
Sample Program ....................................................................................................................II-70

8H. Turbo C ................................................................................................... II-71

Use of the Character Command Language........................................................................II-71
Initialization of the System..................................................................................................II-72
Configuration of the 195 DMM ............................................................................................II-74
Taking Readings....................................................................................................................II-74
Buffer Transfers.....................................................................................................................II-75
Interrupt Handling ...............................................................................................................II-76
IEEEIO.C.................................................................................................................................II-78
CRITERR.ASM (Microsoft C & Turbo C)............................................................................II-80
Sample Program ....................................................................................................................II-80

8I. Turbo Pascal............................................................................................ II-82

Use of Character Command Language ..............................................................................II-82
Initialization of the System..................................................................................................II-83
Configuration of the 195 DMM ............................................................................................II-84
Taking Readings....................................................................................................................II-85
Buffer Transfers.....................................................................................................................II-85
Interrupt Handling ...............................................................................................................II-86
Sample Program ....................................................................................................................II-88

8J. Spreadsheets........................................................................................... II-90

Use of Direct DOS I/O Devices..............................................................................................II-90
Initialization of the System..................................................................................................II-90
Configuration of the 195 DMM ............................................................................................II-91