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Page "Dragon 32/64" ¶ 10
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POKE and 0
It was possible to increase the speed of the computer by using POKE 65495, 0 which accelerates the ROM-resident BASIC interpreter, but temporarily disables correct functioning of the cassette / printer ports.
POKE 65497, 0 pushes the speed yet higher but the display is lost until a slower speed is restored.
The ' special ' lengths of 0 and 1 were reserved for PEEK and POKE – allowing inspection and changing of RAM in an unbooted transputer.
< source lang =" qbasic "> POKE 53280, 0 </ source >
* POKE 1867, 0 → would delete any user PASSWORD

POKE and speed
Manufacturing variances means that not all Dragons are able to function at this higher speed, and use of this POKE can cause some units to crash or run highly unstable, though with no permanent damage.

POKE and .
Following the trend of avoiding absolute addresses, the PEEK and POKE commands were replaced with INVOKE and PERFORM statements that loaded and executed separately-assembled code modules.
In computer jargon, a killer poke is a method of inducing physical hardware damage on a machine and / or its peripherals by the insertion of invalid values, via e. g. BASIC's POKE command, into a memory-mapped control register.
In early model PETs, writing a certain value to the memory address of a certain I / O register ( POKE 59458, 62 ) made the machine able to display text on the screen much faster.
The corresponding command to set the contents of a memory cell is POKE.
For these reasons, PEEK functions and POKE commands are inherently non-portable, meaning that a given sequence of those statements will almost certainly not work on any system other than the one for which the program was written.
Such modifications were performed using POKE statements.
Using a ' POKE ' cheat is more difficult in modern games, as many include anti-cheat or copy-protection measures that inhibit modification of the game's memory space.
" POKE " is sometimes used as a generic term to refer to any direct manipulation of the contents of memory, rather than just via BASIC, particularly among people who learned computing on the 8-bit microcomputers of the late 70s and early 80s.
BASIC was often the only language available on those machines ( on home computers, usually present in ROM ), and therefore the obvious, and simplest, way to program in machine language was to use BASIC to POKE the opcode values into memory.
An example of the generic usage of POKE and PEEK is in traditional Visual Basic for Windows, where DDE can be achieved with the LinkPoke keyword.
Nonetheless, inputting a random code is as effective as using PEEK and POKE operations randomly.
However after a program was entered, manually altering the line numbers and pointers with the POKE commands could allow for out-of-order execution or even give each line the same line number.
With PEEK and POKE, CALL provided an interface to assembly language programming from BASIC.
Peripherals can be controlled directly from BASIC, so there is rarely a need to use POKE and PEEK statements.
Note that there is no POKE statement in TI BASIC.
BASIC programs typically polled for real-time keyboard input by using the PEEK and POKE commands at that address.
In the latter case, the opcodes and operands of the machine language part were often simply given as DATA statements within the BASIC program, and were loaded using a POKE loop, since few users had access to an assembler.
Accessing these associated memory addresses to make use of the advanced features required using the PEEK and POKE commands, third party BASIC extensions, such as Simons ' BASIC, or to program in assembly language.

0 and returns
Radiationless transition between levels, such as between the excited S = 0 and S = 1 states, may proceed quickly enough to siphon off a portion of the S = 0 population before it spontaneously returns to the ground state.
Larry Stockmeyer has proved that for every # P problem P there exists a randomized algorithm using oracle for SAT, which given an instance a of P and ε > 0 returns with high probability a number x such that.
When power factor is equal to 0, the energy flow is entirely reactive, and stored energy in the load returns to the source on each cycle.
Zero is called the identity element of the integers because adding 0 to any integer ( in any order ) returns the same integer.
According to returns announced on June 17, Yeltsin won 35 % of the vote ; Zyuganov won 32 %; Aleksandr Lebed, a populist ex-general, a surprisingly high 14. 5 %; liberal candidate Grigory Yavlinsky 7. 4 %; far-right nationalist Vladimir Zhirinovsky 5. 8 %; and former Soviet president Mikhail Gorbachev 0. 5 %.
For example, sin ( 60 °) returns instead of 0. 86603.
For example, if a test sample returns an OD of 1. 0, the point on the standard curve that gave OD
Technical trading strategies were found to be effective in the Chinese marketplace by a recent study that states, " Finally, we find significant positive returns on buy trades generated by the contrarian version of the moving-average crossover rule, the channel breakout rule, and the Bollinger band trading rule, after accounting for transaction costs of 0. 50 percent.
• Overdue fines for late returns are $ 0. 10 per day per item with a maximum of $ 2. 00 per item.
But if that position is taught into controller memory and each time it is sent there it returns to within 0. 1mm of the taught position then the repeatability will be within 0. 1mm.
An example of such a function is the function that returns 0 for all even integers, and 1 for all odd integers.
* < code > fold ( A < sub > 0 </ sub >, F, S )</ code >: returns the value A < sub >| S |</ sub > after applying < code > A < sub > i + 1 </ sub > := F ( A < sub > i </ sub >, e )</ code > for each element e of S.
* The America's Cup returns to the United States as challenger Stars & Stripes ' 87, of the San Diego Yacht Club, beats Australian defender Kookaburra III, from the Royal Perth Yacht Club, 4 races to 0.
The Ministry of Education draws a distinction between academic and funding year levels, the latter being based on when a student first starts school — students first starting school after July, so do not appear on the July roll returns, so are classified as being in Funding Year 0 that year, so they are recorded as being in Year 1 on the next year's roll returns.
Now, whenever f is given 0 as argument the pattern matches and the function returns 1.
In Haskell ( unlike at least Hope ), patterns are tried in order so the first definition still applies in the very specific case of the input being 0, while for any other argument the function returns with n being the argument.
Given 40, the Mertens function returns 0.
In a non-deterministic Büchi automaton, the transition function δ is replaced with a transition relation Δ that returns a set of states and initial state is q < sub > 0 </ sub > is replaced by a set of initial states Q < sub > 0 </ sub >.
The election race wasn't decided until the last returns came in, and McConnell won by a thin margin — only 5, 200 votes out of more than 1. 8 million votes cast, just over 0. 4 %.
Given 39, the Mertens function returns 0.

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