-muwx
-i test_serial.hex
-M
-Y
-b HOME = 0x2100
-b XSEG = 0x6000
-b PSEG = 0x6000
-b ISEG = 0x0000
-b BSEG = 0x0000
-b SSEG = 0x0080
-k C:\Program Files (x86)\SDCC\bin\..\lib\small-stack-auto
-l mcs51
-l libsdcc
-l libint
-l liblong
-l libfloat
SRC/led.rel
SRC/max.rel
SRC/sio.rel
SRC/test_sio.rel

-e