C51: How calling library in fixed ROM from code in XRAM

I have a 8051 project which includes ROM and XRAM, both are used as code memory The memory address and range is as follows CODE Space Main CODE at RAM C:0x0000 ~ C:0x2FFF Lib CODE at ROM C:0x3000...
C51: How calling library in fixed ROM from code in XRAM

I have a 8051 project which includes ROM and XRAM, both are used as code memory The memory address and range is as follows CODE Space Main CODE at RAM C:0x0000 ~ C:0x2FFF Lib CODE at ROM C:0x3000...
Executing program from XRAM

Is is possible with the 8051 architecture to copy a program or function into XRAM and execute it? Or do the separate code/data address spaces prevent this? What I'm trying to do is to write a boot...
Executing program from XRAM

Is is possible with the 8051 architecture to copy a program or function into XRAM and execute it? Or do the separate code/data address spaces prevent this? What I'm trying to do is to write a boot...
XRAM - From 89C51RC2 to AT89C51RD2

I have a running project with the micro 89C51RC2 I changed it to AT89C51RD2. The main difference is the XRAM on chip - 89C51RC2 has 1K (0x3FF) while the AT89C51RD2 has 1.79K (0x6FF) To be able to...