- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄363665 > NSB8 (Electronic Theatre Controls, Inc.) BASIC interpreter for Z80 family PDF資料下載
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)： | 120/158頁 |
| 文件大?。?/td> | 752K |
| 代理商： | NSB8 |
第1頁第2頁第3頁第4頁第5頁第6頁第7頁第8頁第9頁第10頁第11頁第12頁第13頁第14頁第15頁第16頁第17頁第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁第29頁第30頁第31頁第32頁第33頁第34頁第35頁第36頁第37頁第38頁第39頁第40頁第41頁第42頁第43頁第44頁第45頁第46頁第47頁第48頁第49頁第50頁第51頁第52頁第53頁第54頁第55頁第56頁第57頁第58頁第59頁第60頁第61頁第62頁第63頁第64頁第65頁第66頁第67頁第68頁第69頁第70頁第71頁第72頁第73頁第74頁第75頁第76頁第77頁第78頁第79頁第80頁第81頁第82頁第83頁第84頁第85頁第86頁第87頁第88頁第89頁第90頁第91頁第92頁第93頁第94頁第95頁第96頁第97頁第98頁第99頁第100頁第101頁第102頁第103頁第104頁第105頁第106頁第107頁第108頁第109頁第110頁第111頁第112頁第113頁第114頁第115頁第116頁第117頁第118頁第119頁當前第120頁第121頁第122頁第123頁第124頁第125頁第126頁第127頁第128頁第129頁第130頁第131頁第132頁第133頁第134頁第135頁第136頁第137頁第138頁第139頁第140頁第141頁第142頁第143頁第144頁第145頁第146頁第147頁第148頁第149頁第150頁第151頁第152頁第153頁第154頁第155頁第156頁第157頁第158頁
grifo
ITALIAN TECHNOLOGY
Page 108
NSB8 Rel. 5.10
THE LINE EDITOR
Never forget that
NSB8
is capable to load and save ascii source BASIC program that can be edited
through an external ascii editor. So if you retain that the internal editor is poor and uncomfortable
you are free to use your favourite editor ensuring that the ascii source file length is a multiple of 128
bytes (use
GDOS 80
program utility
DOS2GDOS
or the
GET80
integrated editor).
NSB8 INTERNAL EDITOR
Anyone who has used the
NSB8
system for any length of time is already aware of the delete character
function performed by the underline, RUB/DEL, and backspace keys, as well as the cancel line
function of the at sign (@) key. These are two features of the larger line editor, which allows you to
modify, quickly and efficiently, lines of information which you type into
NSB8
. Mostly, people use
the line editor to change or correct program text, a line at a time. However, the editor may also be
used on commands and responses to INPUT or INPUT1 statements. Because the program development
aspect of the editor is by far the most important to the average BASIC user, this purpose will be
emphasized here.
The character delete and line cancel functions of the editor permit instantaneous correction of typing
errors as they are made during the entry of a line. The editor also allows the correction and
modification of program lines which have already been typed into the system. For example, after
scratching the program/data area, type the following PRINT statement into BASIC:
10 PRINT “TOTAL RECEIPTS TO DATE: “,T1
As soon as you strike the <CR>, and this line becomes part of your current program, pretend that you
have made a mistake: the variable to be printed should actually be T2, not T1. In BASICs without
a line editor facility, you would be forced to retype the entire line in order to correct the one erroneous
character. However,
NSB8
always remembers the last line you type to it. This, for discussion
purposes, will be called the old line. As a rule of thumb, whenever you strike the <CR> to terminate
a line of input to BASIC, that line immediately becomes the old line (there is one exception to this
rule, which will be discussed in a moment). Utilizing the higher functions of the line editor, you can
convert the old line into a correct new line which will then replace its predecessor in the program. For
now, to prove to yourself that BASIC indeed remembers the old line, type <control-G>. Notice that
the line you just typed reappears. The cursor or print head on your terminal will sit just at the end of
the line. By striking <control-G> before typing anything else, you have instructed the line editor to
take the old line from the beginning to the end, and treat it as a new line of input, copying the line
to the terminal as it does so. In effect, by using just one control character, you have retyped the old
line. If you now strike <CR>, the new line will replace line 10 but since the new line is identical to
the old, no net improvement will result: T1 should still be changed to T2. However, suppose you
strike the underline key. Now, the last character in the new line (the 1 that should be a 2) is erased,
and you may type the correct one. If you strike <CR> at this point, the correct line will replace its
faulty predecessor. To correct the reasonably long line 10, all that was required was to strike four
keys: control-G, underline, the “2” key, and <CR>.
When one is used to such a procedure, it is much faster and less tedious than retyping the whole line,
although, for this introductory example, you probably spent more time being careful, reading
directions, and observing results, than you would if you had just retyped the whole thing to start
with. Practice with the editor, your speed will improve tremendously. Even after just an hour or so
相關PDF資料 |
PDF描述 |
|---|---|
| NSB9435T1 | High Current Bias Resistor Transistors(高強度電流偏置電阻晶體管) |
| NSBA114EDXV6T1 | Dual Bias Resistor Transistors(雙偏置電阻晶體管) |
| NSBA114YDXV6T1 | Dual Bias Resistor Transistors(雙偏置電阻晶體管) |
| NSBC143TPDXV6T1 | Dual Bias Resistor Transistors(雙偏置電阻晶體管) |
| NSBC144EPDXV6T1 | Dual Bias Resistor Transistors(雙偏置電阻晶體管) |
相關代理商/技術參數(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 |
| NSB8AT/31 | 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 安裝風格:SMD/SMT 封裝 / 箱體:DO-221AC 封裝:Reel |
| 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 安裝風格:SMD/SMT 封裝 / 箱體:DO-221AC 封裝:Reel |
| NSB8AT/81 | 功能描述:二極管 - 通用，功率，開關 50 Volt 8.0 Amp 125 Amp IFSM RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Switching Diodes 峰值反向電壓:600 V 正向連續(xù)電流:200 A 最大浪涌電流:800 A 配置: 恢復時間:2000 ns 正向電壓下降:1.25 V 最大反向漏泄電流:300 uA 最大功率耗散: 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:ISOTOP 封裝:Tube |
| NSB8AT-E3/31 | 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 安裝風格:SMD/SMT 封裝 / 箱體:DO-221AC 封裝:Reel |
發(fā)布緊急采購，3分鐘左右您將得到回復。