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MOTOROLA M68040 USER’S MANUAL 9- 41
(d) Unimplemented Instruction FPU State Frame
$00
$00
1531 24 23 16
(c) Idle FPU State Frame
(b) Null FPU State Frame
$00
$00
1531 24 23 16
(UNDEFINED)
VERSION NUMBER
Figure 9-10. MC68040 Floating-Point State Frames (Sheet 2 of 2)
Reserved
= $41
0
0
VERSION = $41 $30
STAG
CMDREG1B
DTAG
FPTE
FPTM [63–32]
E1 E3 T
SBIT
CMDREG3B
FPTM [31–00]
ETEETS
ETM [63–32]
ETM [31–00]
FPTS
E[15]
M[66] M1 M0
WBT
WBT WBT WBT
$04
$08
$18
$20
$24
$28
$1C
$2C
$30
$0C
$10
$14
$00
15 031 24 23 16
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