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Type III C lass A Program

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e. d xO<br />

X o = 00016C80<br />

st xO 123456<br />

ILLEGAL CREG 0<br />

d xO<br />

X 0 = 00016C80<br />

The contents of control register<br />

is made to store a wronq value<br />

register are not modified.<br />

f. d psw x6<br />

PSW = 03060000 00000000<br />

X 6 = F08000FF<br />

st psw 12345678 12345618<br />

ILLEGAL PSW<br />

o are displayed: an attempt<br />

in it; the contents of the<br />

The<br />

d psw<br />

PSW = 12345618 12345618<br />

contents of the PSW and control register 6 are<br />

displayed, the hexadecimal numbers 12345618 12345618 are<br />

stored in the PSW. and since the virtual machine is in<br />

extended mode. the warning ILLEGAL PSW is issued.<br />

g. st psw 3060000 0<br />

st x6 fOOOOOff<br />

d psw x6<br />

PSW = 03060000 00000000<br />

X 6 = FOOOOOFF<br />

st psw 12345618 12345618<br />

d psw<br />

PSW = 12340000 12345618<br />

Now the virtual machine is not in extended mode, therefore,<br />

the psw is modified without warning.<br />

h. d xO<br />

BAD ARGUMENT 01<br />

The virtual machine is not a System 360/Model 61.<br />

STORE 505

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