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Write a main program that uses these system calls to echo the typed characters. The pseudo code will look something like:
void traphandler () {
if (R0 == 0) { // read system call
R1 = getchar(); // poll the status register of the IO terminal until a char is available then load it into R1
} else if (R0 == 1) { // write system call
putchar(R1); // just store R1 to memory location 0xfff0
}
enableInterrupts();
void main() {
char c;
while (1) {
c = read(); // set R0 to 0 can issue the 'trap' instruction, result will be in R1
write(c); // set R0 to 1 and set R1 to 'c' and issue the 'trap' instruction
Aim: Write a program of multipication using inline function class Multiply { int x,y; public: void getdata(); inline calc
how many values we can return from pointer to function?
Create an applet that bounces a blue ball inside an applet using Thread. The ball (diameter is 10) will start at position (0,0). When the ball hits the edge of the applet, the ba
pls help me to decode this.
flow chart for push operation in stack
Why are all header files not declared in every C program? - Declaring all header files in each program would result in increase in overall file size and load of the program. It
GetChar - get a character from the keyboard, echo to the display and return it in reg al. - Note: if a linefeed (LF) is received (Enter key), a carriage return (CR) will als
Question 1 Consider you have to find out average marks of 100 students in a class. Write simple program(s) using different iteration statements to accomplish it Question 2 Expla
A palindrome is a string that reads the same from both the ends. Given a string S convert it to a palindrome by doing character replacement. Your task is to convert S to palindrome
Mention clearly about srand and rand().
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