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IBM 5150 - Processor Control

IBM 5150
309 pages
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Processor Control
FINIT = Initialize NDP
Escape 0 1 1
I 1 1 1 0 0 0 1 1
FENI = Enable Interrupts
Escape 0 1 1
I 1 1
000
0 0
FDISI = Disable Interrupts
Escape
O.
1 1 I 1 1
o 0 0 0 1
FLDCW = Load Control
Word
Escape
0 0 1
I
mod 1
0 1
rim
disp-Iow
disp-high
FSTCW = Store Control
Word
Escape
0 0
1
I
mod
1 1
1 rim
disp-Iow
disp-high
FSTSW = Store Status
Word
Escape
1 0 1
I
mod
1 1 rim disp-Iow
disp-high
FCLEX = Clear Exceptions
Escape
0
1
1
I
1 1
0 0
0 1 0
FSTENV = Store Environment
Escape 0 0
1 mod 1 1
0
rim
disp-Iow
disp-high
6-22
Instruction Set

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