475
3. Instructions
CS/CJ/NSJ Series Instructions Reference Manual (W474)
Floating-point Math Instructions
3
FLT/FLTL
Function
z FLT
FLT(452) converts the 16-bit signed binary value in S to 32-bit floating-point data (IEEE754-format) and
places the result in R+1 and R. A single 0 is added after the decimal point in the floating-point result.
Only values within the range of −32,768 to 32,767 can be specified for S. To convert signed binary data
outside of that range, use FLTL(453).
Example conversions:
A signed binary value of 3 is converted to 3.0.
A signed binary value of −3 is converted to −3.0.
z FLTL
FLTL(453) converts the 32-bit signed binary value in S+1 and S to 32-bit floating-point data (IEEE754-
format) and places the result in R+1 and R. A single 0 is added after the decimal point in the floating-
point result.
Signed binary data within the range of –2,147,483,648 to 2,147,483,647 can be specified for S+1 and
S. The floating point value has 24 significant binary digits (bits). The result will not be exact if a number
greater than 16,777,215 (the maximum value that can be expressed in 24-bits) is converted by
FLTL(453).
Example Conversions:
A signed binary value of 16,777,215 is converted to 16,777,215.0.
A signed binary value of –16,777,215 is converted to –16,777,215.0.
R+1 R
S
Floating-point data (32 bits)
Signed binary data (16 bits)
R+1 R
S
S+1
Floating-point data (32 bits)
Signed binary data (32 bits)
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