How to force comipler generate LCALL and LJMP for all funciton call?

I am writing a library for 8051 mcu. this library call some outside functions, i mean some routine defined by user, I am not sure how far those codes will be seperated from my library in code space, to...
How to force comipler generate LCALL and LJMP for all funciton call?

I am writing a library for 8051 mcu. this library call some outside functions, i mean some routine defined by user, I am not sure how far those codes will be seperated from my library in code space, to...
which rigisters must pushed into stack when i call asm from c or call c funciton from asm?

hi,i am a newbie to c51,now i am am confused at this question that which rigisters must i push into stack when i call asm from c or call c function from asm,except the registers that i apparent used.be...
which rigisters must pushed into stack when i call asm from c or call c funciton from asm?

hi,i am a newbie to c51,now i am am confused at this question that which rigisters must i push into stack when i call asm from c or call c function from asm,except the registers that i apparent used.be...
Help Me with string funcitons

I have a buffer which contains bunch of data. I want to take out the index at some desired string stored on which line number in that buffer. for ex buffer A = {'0','1',0x0D,0x0A,0, '2','3',0x0D...