IAI America SSEL User Manual

Page 154

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132

Part 2 Programs

(4) Operand 1 = 3

Data is read or written after its upper 16 bits and lower 16 bits are reversed every 32
bits and its upper eight bits and lower eight bits are reversed every 16 bits.

(I/O, flag number upper)

(I/O, flag number lower)

01234567h

œ 67h 45h 23h 01h œ 0110 0111 0100 0101 0010 0011 0000 0001

Variable 99

I/O port, flag status (0 = OFF, 1 = ON)

Temporary data

OUT(B) command

IN(B) command

[Example 1]

Variable 99 = 00123456h (Decimal: 1193046, BCD: 123456)

00123456h

Variable 99 1193046 (IN/OUT command)

123456 (INB/OUTB command)

(I/O, flag number upper) (I/O, flag number lower)

FMIO = 0 00h 12h 34h 56h

œ

0000 0000

0001 0010 0011 0100 0101 0110

FMIO = 1 12h 00h 56h 34h

œ

0001 0010

0000 0000 0101 0110 0011 0100

FMIO = 2 34h 56h 00h 12h

œ

0011 0100

0101 0110 0000 0000 0001 0010

FMIO = 3 56h 34h 12h 00h

œ

0101 0110 0011 0100 0001 0010 0000 0000

Temporary data

I/O port, flag status (0 = OFF, 1 = ON)

OUT(B) command

IN(B) command

OUT(B) command

IN(B) command

OUT(B) command

IN(B) command

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