h3	Z180 instructions

p	These are the instructions added in the Z180 / HD64180 cpu.

pre	in0  R,(N)		R = B C D E H L F A
    mult RR			RR = BC DE HL SP
    out0 (N),R		R = B C D E H L A
    otim		
    otdm		
    otimr		
    otdmr		    
    slp			
    tst  R			R = B C D E H L (HL) A
    tst  N
    tstio N