Table of Contents
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FCLEX
=
Clear Exceptions
I
escape 011
I
11100010
FSTENV
=
Store Environment
escape 001
mod110 rIm
disp-low
disp-high
FLDENV
=
Load Environment
escape 001
mod100 rIm
disp-low
disp-high
FSAVE
=
Save State
escape 101
mod110 rIm
disp-low
disp-high
FRSTOR
=
Restore State
escape 101
mod100 rIm
disp-low
disp-high
FINCSTP
=
Increment Stack Pointer
escape 001
11110111
FDECSTP
=
Decrement Stack Pointer
I
escape 001
11110110
FFREE
=
Free ST(i)
I
escape 001
I
11000ST(i)
FNOP
=
No Operation
I
escape 001
I
11010000
FWAIT
=
CPU Wait for NDP
I
10011011
6-30
Instruction Set
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- Section 1. System Board
- 64/256K System Board
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