• why such code sequence?
    A simple program, compiled on C51 ver. 7.07: #include <reg51.h> unsigned char mparity(unsigned char arg) { ACC=arg; return P?arg|0x80:arg; } void main () { unsigned char t; t=0x3e; t=mparity...
  • How to fix file sequence presentation in the IDE?
    Hi, My sourcecode files start with numbers like F12_xxx, F13_yyy, e.t.c. So F12 is a higher hierarchical file than F13. I open my files in the IDE (uVision4) starting with the lowest filenumber...
  • XC161, Does a PEC transfer interrupt a EXTS Sequence
    My application needs very fast PEC response times. As i can see in the ".lst" file, the Keil compiler uses EXTS sequences for long addressing memory access: EXTS #014H, #04H MOV R5, [R9] MOV...
  • In which sequence f_readdir function reads directory entries?
    Suppose there are 3 files (abc.jpg, test.bmp and xyz.png) in SD card. When I use the f_readdir function, I understood that it does not retrieve the files in alphabetical order. So in which sequence it...
  • problem with HyperTerminal and escape sequences pls help
    Hello All I am working with a energy metering project . I am using HyperTerminal privet edition v6.3 as my output terminal to show the voltages current and all the parameters . Keil c compiler and...