ADDRESS SPACE OVERFLOW 4.5K out of 8K Total Memory, AT89S52

I am getting this message when compiling *** ERROR L107: ADDRESS SPACE OVERFLOW SPACE: DATA SEGMENT: _DATA_GROUP_ LENGTH: 00001CH Program Size: data=112.1 xdata=0 const=0 code=4492 Target not...
ADDRESS SPACE OVERFLOW 4.5K out of 8K Total Memory, AT89S52

I am getting this message when compiling *** ERROR L107: ADDRESS SPACE OVERFLOW SPACE: DATA SEGMENT: _DATA_GROUP_ LENGTH: 00001CH Program Size: data=112.1 xdata=0 const=0 code=4492 Target not...
using External Memory Addressing on DS80C390 with Chip Enables

Hello, I am writing code for a PCB with a DS80C390 to assert ~PCE1 via xdata memory accesses so I can read/write to the registers of a UART on a piggy-back board. I have set the Port 4 Control Register...
using External Memory Addressing on DS80C390 with Chip Enables

Hello, I am writing code for a PCB with a DS80C390 to assert ~PCE1 via xdata memory accesses so I can read/write to the registers of a UART on a piggy-back board. I have set the Port 4 Control Register...
simulating external memory

when i execute code for external memory in the simulator it is showing a data abort error.the code compiled without error.i specified the external memory location in the target option.But the problem...