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READ
=
Read
a
file.
ENTRY:
018BH
ENTER:
DE
=fcb
pointer
HL =
buffer pointer
(size
is
128)
EXIT:
Carry
Flag
set
=
error
Carry
Flag
reset
=no
error
A
=read
byte.
REGISTERS
PRESERVED
IXJY
AF\BC\DE,HL'
WRITE
=
Write
a
file
ENTRY:
018EH
ENTER:
DE
=fcb
pointer
HL
=buffer
pointer
EXIT:
Carry
Flag
set
=
error
Carry
Flag
reset
=no
error
REGISTERS
PRESERVED
IX.IY
AF\BC\DE\HL-
CLOSE =
Close
a
file
ENTRY:
0191H
ENTER:
HL
=fcb
pointer
EXIT:
Carry
Flag
set
=
error
Carry
Flag
reset
=no
error
REGISTERS
PRESERVED
IX,
IY
AF\BC',DE\HL'
DELETE =
Delete
a
file
ENTRY:
0194H
ENTER:
HL
=
fcb pointer
EXIT:
Carry
Flag
set
=
error
Carry
Flag
reset
=np
error
REGISTERS
PRESERVED
IXJY
AF*,Be*,DE*,HI.'
RENAME
=
Rename
a
file.
ENTRY:
0197H
ENTER:
HL
=Ne\vNameFcb
pointer
DE
=OldNameFcb
pointer
EXIT:
Carry
Flag
set
terror
Carry
Flag
reset
=
no
error
REGISTERS
PRESERVED
IXJY
AF\BC\DE\HL'
FORMAT
=
Format
a
disk-device.
ENTRY:
019AH
ENTER:
A
=
device
number
02H;
internal
RAM
disk
03H: IC
RAM
card
1
1H:
disk drive
EXIT:
Carry
Flag
set
=
error
Carry
Flag
reset
=no
error
REGISTERS
PRESERVED
IXJY
AF\BC\DE\HL*
D-10
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