4
FMOVECR FMOVECR
Operation:
Assembler
Syntax:
Attributes:
Description:
ROM Constant I) FPn
FMOVECR.X #ccc, FPn
Format = (Extended)
Fetches an extended precision constant from the FPCP on-chip ROM, rounds
it to the precision specified in the FFCR mode control byte, and stores it in the des-
tination floating-point data register. The constant is specified by a predefined offset
into the constant ROM. The values of the constants contained in the ROM are shown
in the offset table at the end of this description.
Status Register:
Condition Codes:
Quotient Byte:
Exception Byte:
Accrued Exception Byte:
Affected as described in 4.5.5.1 SETTING FLOATING-POINT
CONDITION CODES
Not affected
BSUN Cleared
SNAN Cleared
OPERR Cleared
OVFL Cleared
UNFL Cleared
DZ Cleared
INEX2 Refer to 6.1.7
Inexact Result.
INEX1 Cleared
Affected as described in 6.1.10 IEEE Exception and Trap
Com-
patibility
Instruction Format:
15 14 13 12 11 10 9 8 7 5 5 ¢ 3 2 I
COPROCESSOR i i
1 I I I 0 0 0 0 0 0 ! 0 i 0 ' u n
ID
, I I, i
DESTINATION ROM
0 1 0 1 1 l REGISTER OFFSET
FREESCALE
4-72
MC68881/MC68882 USER'S MANUAL