IAI America XSEL-KX - Manual (Page 119)

103
Part 4 Commands
 FMIO (Set IN, INB, OUT, OUTB command format)
Extension condition
(LD, A, O, AB, OB)
Input condition
(I/O, flag)
Command, declaration
Output
(Output, flag)
Command,
declaration
Operand 1 Operand 2
Optional Optional FMIO
Format
type
Prohibited CP
[Function] Set the data format for reading or writing I/O ports and flags with an IN, INB, OUT or OUTB
command.
(1) Operand 1 = 0 (Default status when a FMIO command has not been executed)
Data is read or written without being reversed.
(I/O, flag number upper) (I/O, flag number lower)
01234567h
⇔ 01h 23h 45h 67h ⇔ 0000 0001 0010 0011 0100 0101 0110 0111
Variable 99 Temporary data I/O port, flag status (0 = OFF, 1 = ON)
OUT(B) command
IN(B) command
(2) Operand 1 = 1
Data is read or written after its upper eight bits and lower eight bits are reversed every
16 bits.
(I/O, flag number upper) (I/O, flag number lower)
01234567h
⇔ 23h 01h 67h 45h ⇔ 0010 0011 0000 0001 0110 0111 0100 0101
Variable 99 I/O port, flag status (0 = OFF, 1 = ON)
Temporary data
OUT(B) command
IN(B) command
(3) Operand 1 = 2
Data is read or written after its upper 16 bits and lower 16 bits are reversed every 32
bits.
(I/O, flag number upper) (I/O, flag number lower)
01234567h ⇔ 45h 67h 01h 23h ⇔ 0100 0101 0110 0111 0000 0001 0010 0011
Variable 99 I/O port, flag status (0 = OFF, 1 = ON)
Temporary data
OUT(B) command
IN(B) command