RPN scientific calculator firmware for $13 calculator kit

[toml_12953]

I'm trying to compile the new firmware with STO, RCL, etc. I use 64-bit Ubuntu with 8GB RAM. When I type make, I get this:

?ASlink-Error-Insufficient ROM/EPROM/FLASH memory.
make: *** [Makefile:19: main] Error 1

What am I doing wrong?

is the pre-built binary set up to use the newer shifted keys? If so, then I won't have to build the hex file.