I need to enter a string and to show that string like开发者_开发技巧 array of ASCII codes. How can i implement it in assembly language.In assembly language, characters are already encoded in ASCII (or
A very basic question. I have learnt that device drivers and interrupt service routines are some program or codes only. whenever required they are made to execute.
What\'s the rationale behind dropping the frame pointer on 64-bit architectures by default? I\'m well aware that it can be enabled but why does GCC disable it in the first place while having it enable
I am trying to use an assembly(ARM) macro for fixed-point multiplication: #define MULT(a,b) __asm__ __volatile__ ( \\
I am interested in developing a PowerPC emulator for my own learning purposes. I\'ve found a fair amo开发者_运维百科unt of resources about programming in PowerPC assembly, but after quite some time lo
I\'m trying to have thread-safe local variables in an assembly program. I\'ve searched on the net, but I haven\'t found anything simple.
section .text global my_strlen my_strlen: xor rax, rax .LOOP: cmp BYTE[rdi+rax], 0 jne .LOOP inc rax ret I execute it with:
In 32bit, we had 8 \"general purpose\" registers. With 64bit, the amount doubles, but it seems independent of the 64bit change itself.
On common modern CPUs (x86, x86_64 for exampl开发者_JAVA技巧e), is there a difference in the number of CPU cycles to compare two pointers and to compare two integers?I am not sure but in x86_64 you ca
for (int i=0; i<arr.length; i++) { } This will result in a code: gets开发者_C百科tatic#4; arraylength
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