IBM 5150 Technical Reference

Arithmetic (Continued)
FMUL = Multiplication
Integer/Real
Memory to ST(O)
Escape MF 0
mod 0 0 1 rim
disp-Iow disp-high
ST(i) and ST(O)
Escape d P 0
1 1 0 0 1
rim
FDIV = Division
Integer/Real
Memory with ST(O)
Escape MF 0
mod 1 1 R rim
disp-Iow disp-high
ST(i) and ST(O)
Escape d P 0
1 1 0 0 1
rim
FSQRT = Square Root of ST(O)
Escape 0 0 1
I 1 1 1 1 1 0 1 0
FSCALE = Scale ST(O) by ST(1)
Escape 0 0 1
I 1 1 1 1 1 1 0
FPREM = Partial Remainder of ST(O) .;- ST(1)
Escape 0 0 1
I 1 1 1 1 1 0 0 0
FRNDINT = Round ST(O) to Integer
Escape 0 0 1
I 1 1 1 1 1 1 0 0
FXTRACT = Extract Components of ST(O)
Escape 0 0 1
I 1 1 1 1 0 1 0 0
FABS = Absolute Value of ST(O)
Escape 0 0 1
I 1 1 1 0 0 0 0 1
FCHS = Change Sign of ST(O)
Escape 0 0 1 1 1 1
000 0 0
6-20 Instruction Set

IBM 5150 Specifications

General

Processor	Intel 8088
Clock Speed	4.77 MHz
RAM	16 KB - 256 KB
Manufacturer	IBM
Model	5150
Release Year	1981
Storage	5.25-inch floppy drives
Graphics	MDA or CGA
Operating System	IBM PC DOS
Ports	Cassette, keyboard
Expansion Slots	5