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# CPU codename SIMPLEX

CPU with 32 bit data bus, with 16bit arhitmetics, one shadow register, RISC,
no memory operations


## ISA

ADD  X    0001 0000 0000 0000 XXXX XXXX XXXX XXXX
SUB  X    0010 0000 0000 0000 XXXX XXXX XXXX XXXX
INC       0011 0000 0000 0000 0000 0000 0000 0000
DEC       0100 0000 0000 0000 0000 0000 0000 0000
AND  X    0101 0000 0000 0000 0000 0000 0000 0000
IN        0110 0000 0000 0000 0000 0000 0000 0000
OUT       0111 0000 0000 0000 0000 0000 0000 0000
LOAD X    1000 0000 0000 0000 XXXX XXXX XXXX XXXX