Instruction:

	zzzzz.qqqqq.oooooo		z = target    q = source    o = opcode
	zzzzz.ooooo.111111		z = target    o = opcode
	ooooo.11111.111111		o = opcode

register:
	gp registers
	sp, pc
	r28 = 0 or 1 (dep. on opcode)
	r29,30,31 = immediate value .248

Opcodes:

load:	zzzzz.aaaaa.ww00aa		load r <- (mem)
store:	aaaaa.qqqqq.ww10aa		store (mem) <- r
								ww: data width: 1,2,4,8
								aa: addressing mode:
									00: r = (r)
									01: r = (r+dis)
									10: r = (r++)
									11: functions, others, see below

extended:
		zzzzz.qqqqq.xxx.100		diadic reserved
		zzzzz.qqqqq.xxx.101		diadic reserved
		zzzzz.ooooo.ooo.110		monadic, except:
		ooooo.ooooo.111.110		other

alu:	zzzzz.qqqqq.xxxx.11

		zzzzz.qqqqq.0000.11		add		? TODO: .1248	pointer, index in array
		zzzzz.qqqqq.0001.11		sub		? TODO: .1248	pointer
		zzzzz.qqqqq.0010.11		and
		zzzzz.qqqqq.0011.11		or
		zzzzz.qqqqq.0100.11		xor
		zzzzz.qqqqq.0101.11		sl
		zzzzz.qqqqq.0110.11		sr
		zzzzz.qqqqq.0111.11		sru
		zzzzz.qqqqq.1000.11		mulu
		zzzzz.qqqqq.1001.11		divu
		zzzzz.qqqqq.1010.11		remu
		zzzzz.qqqqq.1011.11		mul		?
		zzzzz.qqqqq.1100.11		div
		zzzzz.qqqqq.1101.11		rem		?
		zzzzz.qqqqq.1110.11		cmp
		zzzzz.qqqqq.1111.11		?

mono:	zzzzz.ooooo.ooo.110

		zzzzz.00000.000.110		in  (n),r
		zzzzz.00001.000.110		out (n),r
		zzzzz.00010.000.110		cpl
		zzzzz.00011.000.110		neg

		zzzzz.00100.000.110		mul 10
		zzzzz.00101.000.110		divu 10
		zzzzz.00110.000.110		div 10
		zzzzz.00111.000.110		test (cmp to zero)

		zzzzz.010xx.000.110		incr	.1248  pointer
		zzzzz.011xx.000.110		incr	.1248  pointer

		zzzzz.100xx.000.110		sl		.248   pointer, array
		zzzzz.101xx.000.110		sr		.248   pointer, array

		zzzzz.11xxx.000.110

		zzzzz.000xx.001.110		r = n		.248	signed
		zzzzz.001xx.001.110		(n)	= r		.1248
		zzzzz.01Sxx.001.110		r = (n)		.1248  S: 0=unsigned, 1=signed
		zzzzz.10Sxx.001.110		extend		.124   S: 0=unsigned, 1=signed
		zzzzz.11xxx.001.110

		zzzzz.xxxxx.010.110		r = n		unsigned
		zzzzz.xxxx0.011.110		addq n
		zzzzz.xxxx1.011.110		subq n

		zzzzz.xxxxx.100.110		sl	n
		zzzzz.xxxxx.101.110		sru	n
		zzzzz.xxxxx.110.110		sr	n


other:	ooooo.ooooo.111.110

		32		push registers 0..31
		32		pop registers  0..31

		1		ei
		1		di
		1		halt

		1		in  (r0),r1
		1		out (r0),r1

		1		inir   r0,r1,r2
		1		outir  r0,r1,r2
		1		memcpy r0,r1,r2
		1		memclr r0,r1,r2
		4		memchr r0,r1,r2   .1248

		1		trap n
		2		call +n  .24
		1		ret

		2		jp		.24
		10		jp cc	.2     eq,ne, lt,le,ge,gt, ult,ule,uge,ugt