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Arithmetic - IBM XT 5160 Technical Reference

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ST(i) to ST(O)
escape 000
11010 ST(
i)
FCOMP
=
Compare and Pop
Integer/Real Memory to ST(O)
escape MF 0
mod 011 rim
disp-low
disp-high
ST(i) to ST(O)
escape 000
11010 ST(i)
FCOMPP
=
Compare ST(i) to ST(O) and Pop Twice
I
escape 110
I
11011001
FTST
=
Test ST(O)
I
escape 001
I
11100100
FXAM
=
Examine ST(O)
I
escape 001
I
11100101
Arithmetic
FADD
=
Addition
Integer/Real Memory with ST(O)
escape MF 0
mod 000 rim
disp-low
disp-high
ST(i) and ST(O)
escape dPO
11000 ST(i)
FSUB
=
Subtraction
Integer/Real Memory with ST(O)
escape MF 0
mod lOR rim
disp-low
disp-high
6-26
Instruction Set

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