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Both commands are available in FreeCOM, the command-line interface of FreeDOS. [8] In Windows PowerShell, pushd is a predefined command alias for the Push-Location cmdlet and popd is a predefined command alias for the Pop-Location cmdlet. Both serve basically the same purpose as the pushd and popd commands.
MCU 8051 IDE has a built-in simulator not only for the MCU itself, but also LCD displays and simple LED outputs as well as button inputs. It supports two programming languages: C (using SDCC ) and assembly and runs on both Windows and Unix -based operating systems, such as FreeBSD and Linux .
The ability to push and pop FLAGS registers lets a program manipulate information in the FLAGS in ways for which machine-language instructions do not exist. For example, the cld and std instructions clear and set the direction flag (DF), respectively; but there is no instruction to complement DF. This can be achieved with the following assembly ...
PUSH FS: 0F A0: Push/pop FS and GS segment registers. POP FS: 0F A1: PUSH GS: 0F A8: POP GS: 0F A9: LFS r16, m16&16 LFS r32, m32&16: 0F B4 /r: Load far pointer from memory. Offset part is stored in destination register argument, segment part in FS/GS/SS segment register as indicated by the instruction mnemonic. [i] LGS r16, m16&16 LGS r32, m32 ...
Intel discontinued its MCS-51 product line in March 2007; [29] [30] however, there are plenty of enhanced 8051 products or silicon intellectual property added regularly from other vendors. The 8051's predecessor, the 8048 , was used in the keyboard of the first IBM PC , where it converted keypresses into the serial data stream which is sent to ...
x86 assembly language is a family of low-level programming languages that are used to produce object code for the x86 class of processors. These languages provide backward compatibility with CPUs dating back to the Intel 8008 microprocessor, introduced in April 1972.
The Small Device C Compiler (SDCC) is a free-software, partially retargetable [1] C compiler for 8-bit microcontrollers.It is distributed under the GNU General Public License.
The register calling convention may be selected by command line switch. Up to 4 registers are assigned to arguments in the order EAX, EDX, EBX, ECX. Arguments are assigned to registers from left to right. If any argument cannot be assigned to a register (say it is too large) it, and all subsequent arguments, are assigned to the stack.