The following is the RTS instruction format (FMT) operand definition:
MSB
LSB
7 6 5 4 3 2 1 0
s s s s c n n n
ssss = The length of the output string
c = Comma (1) or decimal point (0)
nnn = The number of characters of the right of the decimal point.
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).
Prompt: output string 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 size of the output string must be 3 bytes larger than “ nnn ”
5.The value in the output string must be aligned to the right.
Example ：
100
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