Opcode FRICHOP
FPU: Cyrix FPUs and 486s with FPU on chip
Type of Instruction: FPU instruction
Instruction: FRICHOP
Description:
ST <- ROUND ( ST,CHOP )
Note:
This instruction calculate rounding ST toward zero
i.e. ignoring part righter that decimal .
Examples:
1.2 -> 1.0
-1.2 -> -1.0
3.0 -> 3.0
0.0 -> 0.0
1.5 -> 1.0
-2.0 -> -2.0
FPU Flags Affected: S,P,D,I,C1
FPU mode: Any
Physical Form: FRICHOP
COP (Code of Operation): DDH FCH
Clocks: Cx83D87 : 15
Cx83S87 : 15
CxEMC87 : 15
Cx487DLC :
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