Rievtech PR-12 Series, Руководство пользователя и программиста

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6.5.14 Real number to ASCII code
Input/output Operand Data type
IN VD, ID, QD, MD, SD, SMD, LD, AC, constant, *VD, *LD, *AC Real number
FMT VB, IB, QB, MB, SB, SMB, LB, AC, constant, *VD, *LD, *AC Byte
OUT VB, IB, QB, MB, SB, SMB, LB, *VD, *LD, *AC Byte
RTA:The instruction converts the real number to ASCII
characters. (FMT) format specifies the conversion
accuracy of the right of the decimal point.
The conversion result is placed in the output buffer from
the OUT.The length of the output buffer is 3 to 15
characters.
Error conditions:
nnn > 5
ssss < 3
ssss <
Number of characters in OUT
The following is the RTA instruction format (FMT) operand definition:
The length of the output string is specified by the SSSS field.0, 1, or 2 bytes are not
valid.The effective range of the NNN is from 0 to 5.NNN is equal to 0, the output
shows no decimal point.When the NNN value is greater than 5 or when the specified
output string length is too small to store the conversion value, the output string is
filled with ASCII space characters.The C bit specifies using a comma (C = 1) or a
decimal point (C = 0).
The output according to the following rules:
1.Positive number is written to output buffer without a sign.
2.Negative number is written to the output buffer with
“
-
”
.
3.The starting zero on the left of the decimal point is compressed.
4. The number of characters of the right of the decimal point is equal to the value of “ nnn ” .