Unit Bus = 4 bits
Function Bus = 4 bits
Immediate Bus = 24 bits (or 18 - we don't have any type 0 instructions! HEY!)
Size Bus = 2 bits
Flags Bus = 6 bits
Register A = 6 bits
Register B = 6 bits
Register C = 6 bits
Total = 58 bits (or 52)
 
 

Unit Type	Function	Bus
		Unit	Function	Immediate	Size	Flags
Integer	Add	000x	0000	don't care	yes	Mode 0
	Subtract		0001
	Add I		0010	yes
	Subtract I		0011
	Multiply		0100	don't care	yes
	Divide		0101
	Modulo		0110
	Multiply I		0111	yes
	Divide I		1000
	Modulo I		1001
Bitshuffling &	Shift	001x	0000	don't care	yes	Mode 1
Logic Operations	Rotate		0001
	Byte Reverse		0010
	Bit Reverse		0011
	Logic		0100
	Single Bit Logic		0101
	Test		0110
	SIMD Mix		0111
	SIMD Expand		1000
	Shift I		1001	yes
	Rotate I		1010
	Byte Reverse I		1011
	Bit Reverse I		1100
Floating Point	Add/Subtract	010x	0000	don't care	yes	Mode 2
	Integer to F P		0001
	F P to Integer		0010
	Inverse		0011
	Square Root		0100
	Multiply		0101
	Divide		0110
	1/Square Root		0111
Register Exchange	Move	0110	0000	don't care	yes	Mode 3
	Put		0001
	Get		0010
Process Control	Absolute Jump	0111	0000	don't care	don't care	don't care
	Loopentry		0001
	Loop		0010
	Cache Control		0011		yes
	Absolute Jump I		0100	yes	don't care
	Relative Jump I		0101
Load/Store	Load	11xx**	0000	don't care	yes	Mode 4
	Store		0001
	Load I		0010	yes
	Store I		0011
	Load Constant		0100	yes	don't care

* Where x = Unit #
** Where xx = Load/Store Unit #
 

Flags Bus Mode 0

Signed	Flags[0]
SIMD	Flags[1]
Saturate/Floor	Flags[2]
Unused	Flags[3:6]

 

Flags Bus Mode 1

Signed	Flags[0]
SIMD	Flags[1]
Direction	Flags[2]
Mode	Flags[3:6]

 

Flags Bus Mode 2

Negate	Flags[0]
SIMD	Flags[1]
Direction	Flags[2]
No IEEE	Flags[3]
Rounding Method	Flags[4:6]

 

Flags Bus Mode 3

Negate	Flags[0]
Unused	Flags[1:4]
High Part Replacement Method	Flags[5:6]

 

Flags Bus Mode 4

Negate	Flags[0]
Endian	Flags[1]
Unused	Flags[2:3]
Shift	Flags[4:6]