type conversion

i have the followin program float a; long int c; float b; now i haave an expression a = b- c*0.05 however when i run this expression in simulator the values are correct...however in the machine...
type conversion

i have the followin program float a; long int c; float b; now i haave an expression a = b- c*0.05 however when i run this expression in simulator the values are correct...however in the machine...
type conversion problem

I want to convert characters recieved from MatLab into unsigned or signed integers in Keil... how do I do that?
Type conversion problem

I want to convert the characters recieved by MatLab into integers. How to do that?
data type conversion

how to extract the least 8 bits of port 0(p0.7 to p0.0) and store it into a variable of type unsigned char directly ? this is in reference to the arm7 (lpc2129). santosh