Atari ST series - Page 297

Fdatime
Get/Set File Date/Time Stamp
Fdatime() Opcode = 87 ($57)
T his fu nction is u se d to re ad o r ch an g e th e tim e an d d ate sta m p of an
o p en file.
C macro format
in t h an d le, m o d e;
lo n g * tim e p tr;
F d atim e (tim ep tr, h an d le, m o de );
Machine language format
m o v e .w m o d e, - (sp )
m o v e.w h an d le , - (sp )
m o v e.l tim e p tr, - (sp )
m o v e .w
# $ 5 7 , - (sp )
trap
# 1
ad d q .
# 1 0 , sp
Inputs
m od e
w o rd
R ea d o r ch an g e flag:
0 = R ead
1 = C h a n g e
h an dle w o rd
T h e h an d le o f th e file
tim ep tr
lo ng T h e a d d res s o f a 32 -b it b uffer th at h old s
th e tim e a n d d a te stam p in fo rm a tio n. T h e
d ate in fo rm a tio n is sto re d in th e first
w o rd .
C o n te n ts o f first w o rd o f b uffer p oin ted to by timeptr:
Bit Number
Description Range
0 - 4
D ay
1 -3 1
5 - 8 M o n th 1 - 1 2
9 - 1 5
Y e ar - 19 80
0 -1 1 9
T h e se co n d
w o rd h o ld s th e tim e, in th e follo w in g fo rm at:
Bit Number Description
Range
0 - 4
S ec o n d s divid ed by 2 0 - 2 9
5 - 1 0
M in u tes 0 - 5 9
1 1 -1 5
H o u r
0 - 2 3
Results
N o n e
See also
Tgettime(), Tsettime()
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