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INT 10h is fairly slow, so many programs bypass this BIOS routine and access the display hardware directly. Setting the video mode, which is done infrequently, can be accomplished by using the BIOS, while drawing graphics on the screen in a game needs to be done quickly, so direct access to video RAM is more appropriate than making a BIOS call ...
INT is an assembly language instruction for x86 processors that generates a software interrupt. It takes the interrupt number formatted as a byte value. [1] When written in assembly language, the instruction is written like this: INT X. where X is the software interrupt that should be generated (0-255).
OS/360 and successors, and VS/9, mainframe operating systems none No No No No No Yes Yes No No GOFF: IBM MVS and z/OS mainframe operating systems none No No Yes No Yes Yes Yes No No a.out: Unix-like: none No No No No Yes [8] Yes [8] Extension No No COFF: Unix-like: none Yes by file Yes No No Yes Yes Extension No No ECOFF: Ultrix, Tru64 UNIX ...
The newer C99 added a distinct Boolean type _Bool (the more intuitive name bool as well as the macros true and false can be included with stdbool.h), [10] and C++ supports bool as a built-in type and true and false as reserved words. [11]
FLT_MIN_10_EXP, DBL_MIN_10_EXP, LDBL_MIN_10_EXP – minimum negative integer such that 10 raised to that power is a normalized float, double, long double, respectively FLT_MAX_EXP , DBL_MAX_EXP , LDBL_MAX_EXP – maximum positive integer such that FLT_RADIX raised to a power one less than that number is a normalized float, double, long double ...
Here are some of the basic properties and computations of Ext groups. [3] Ext 0 R (A, B) ≅ Hom R (A, B) for any R-modules A and B. Ext i R (A, B) = 0 for all i > 0 if the R-module A is projective (for example, free) or if B is injective. The converses also hold: If Ext 1 R (A, B) = 0 for all B, then A is projective (and hence Ext i R (A, B ...
Integer overflow can be demonstrated through an odometer overflowing, a mechanical version of the phenomenon. All digits are set to the maximum 9 and the next increment of the white digit causes a cascade of carry-over additions setting all digits to 0, but there is no higher digit (1,000,000s digit) to change to a 1, so the counter resets to zero.
A snippet of C code which prints "Hello, World!". The syntax of the C programming language is the set of rules governing writing of software in C. It is designed to allow for programs that are extremely terse, have a close relationship with the resulting object code, and yet provide relatively high-level data abstraction.