Real mode, also called real address mode, is an operating mode of all x86-compatible CPUs. The mode gets its name from the fact that addresses in real...
10 KB (1,508 words) - 10:08, 25 June 2024
In x86 computing, unreal mode, also big real mode, flat real mode, or voodoo mode is a variant of real mode, in which one or more segment descriptors has...
15 KB (1,327 words) - 13:36, 26 January 2024
microprocessor and later, virtual 8086 mode (also called virtual real mode, V86-mode, or VM86) allows the execution of real mode applications that are incapable...
15 KB (1,997 words) - 17:47, 14 October 2024
X86 assembly language (redirect from X86 assembly programming in real mode)
processors support five modes of operation for x86 code, Real Mode, Protected Mode, Long Mode, Virtual 86 Mode, and System Management Mode, in which some instructions...
54 KB (6,904 words) - 17:39, 3 November 2024
X86-64 (redirect from 64-bit compatibility mode)
two new modes of operation, 64-bit mode and compatibility mode, along with a new 4-level paging mode. With 64-bit mode and the new paging mode, it supports...
117 KB (11,644 words) - 07:54, 16 October 2024
When a processor that supports x86 protected mode is powered on, it begins executing instructions in real mode, in order to maintain backward compatibility...
48 KB (4,372 words) - 02:56, 30 October 2024
INT (x86 instruction) (section Real mode)
in the interrupt table to be executed. INT is widely used in real mode. In protected mode, INT is a privileged instruction. When generating a software...
4 KB (472 words) - 05:21, 26 August 2024
X86 memory segmentation (section Real mode)
in 64-bit mode. In both real and protected modes, the system uses 16-bit segment registers to derive the actual memory address. In real mode, the registers...
21 KB (3,003 words) - 22:14, 24 September 2024
mode, while 32-bit programs and 16-bit protected mode programs are executed in a sub-mode called compatibility mode. Real mode or virtual 8086 mode programs...
6 KB (713 words) - 10:23, 29 August 2024
