Hi. Sorry, i don't know what mean of memory map. The Ports are different.
Boe-Bot pin 89C51's pin
P0 P1.7(INPUT)
P3 P1.2(OUTPUT)
P5 P1.0(OUTPUT)
P6 P1.5(INPUT)
P9 P1.6(INPUT)
P12 P1.1(OUTPUT)
P15 P1.3(OUTPUT)
Besides, the complete program in the original Bsaic form. I am trying to make it in asm program. Finding help!