Regarding absolute address

Question: i want to place my fn()1 in xdata 0x0100 is it possible by absolute address?
Absolute addressing question

Is there a difference between the following two statements: 1. char far SL811 _at_ 0x07F7FF; SL811 = 0x0D; 2. #define SL811 *((char far *)0x07F7FF) SL811 = 0x0D; I've been having trouble...
Absolute addressing question

Is there a difference between the following two statements: 1. char far SL811 _at_ 0x07F7FF; SL811 = 0x0D; 2. #define SL811 *((char far *)0x07F7FF) SL811 = 0x0D; I've been having trouble...
Regarding absolute address

Question: i want to place my fn()1 in xdata 0x0100 is it possible by absolute address?
branch to absolute address

I wrote a piece of code running in 8051 microcontroller. The code is to write another piece of code to memory starting from, say, 0x1234. After this is done, it will jump to address 0x1234 to execute...