參數(shù)資料
型號： NSB8
廠商： Electronic Theatre Controls, Inc.
英文描述： BASIC interpreter for Z80 family
中文描述： Z80的BASIC解釋為家庭
文件頁數(shù)： 72/158頁
文件大?。?/td> 752K
代理商： NSB8
grifo
ITALIAN TECHNOLOGY
Page 60
NSB8 Rel. 5.10
MULTIPLE I/O DEVICES
A system may iclude several input/output (I/O) devices, such as a video terminal, printer, graphics
display, etc.
NSB8
provides a convenient means for BASIC programs to make use of up to 8 separate
I/O devices. A unique integer number from 0 to 7 is assigned to each one. Device #0 must correspond
to your main communication link to your computer, also known as the console terminal. It is
generally a the terminal emulation window of
GET80
. When your
GDOS 80
has been personalized
to handle multiple I/O devices, your BASIC programs will be able to access the many I/O devices
through the PRINT statements.
A PRINT, INPUT1 or LINE statement accomodates an optional device expression, which consist
of a cross hatch (#), followed by a numeric expression which evaluates to an integer number from
0 to 7. This expression indicates the device desired for input or output. If used in any of these
statements, the divice expression must be the first thing after the statement’s keyword. Here are some
examples:
PRINT #1, “TEST”
PRINT#Q, X, B, 7
PRINT#D+3, “CRAZY”, Q
PRINT#D7 (X)
INPUT #B, L3
INPUT#7, “COMMAND”: “, C$
LINE#1, 132
LINE#D, L
If the device expression is omitted, it is assumed to be 0 (the console).
As a final example, assume that device #0 is the console terminal, device 1 is a remote printer, and
device 2 is a remote display. the following program causes a different message to be printed on each
of the three devides:
10 REM Multiple I/O demonstration.
20 PRINT ”THIS MESSAGE GOES TO THE CONSOLE”
30 PRINT#0, “THIS ONE DOES, TOO.”
40 PRINT #1, “THIS WILL GO TO REMOTE PRINTER”
50 PRINT #2, “THIS SHOWS UP ON THE REMOTE DISPLAY”.
The PRINT/INPUT device expression, characterized by a cross hatch, should not be confused with
begins with a percent sign (%).
SEE ALSO:
Statement PRINT
Statement INPUT
Statement INPUT1
GDOS 80
user manual
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
NSB8AT 制造商:VISHAY 制造商全稱:Vishay Siliconix 功能描述:Glass Passivated General Purpose Plastic Rectifier
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NSB8AT/45 功能描述:整流器 50 Volt 8.0 Amp 125 Amp IFSM RoHS:否 制造商:Vishay Semiconductors 產(chǎn)品:Standard Recovery Rectifiers 配置: 反向電壓:100 V 正向電壓下降: 恢復(fù)時間:1.2 us 正向連續(xù)電流:2 A 最大浪涌電流:35 A 反向電流 IR:5 uA 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DO-221AC 封裝:Reel
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