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Implement 0x/0o/0b number prefixes (#1533)

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Sylvie
2024-10-08 15:56:00 -04:00
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parent cf85146353
commit a13723c523
3 changed files with 41 additions and 7 deletions
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12
man/rgbasm.5
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@@ -272,16 +272,16 @@ further below.
The instructions in the macro-language generally require constant expressions.
.Ss Numeric formats
There are a number of numeric formats.
.Bl -column -offset indent "Precise fixed-point" "Prefix"
.It Sy Format type Ta Sy Prefix Ta Sy Accepted characters
.It Hexadecimal Ta $ Ta 0123456789ABCDEF
.Bl -column -offset indent "Precise fixed-point" "Possible prefixes"
.It Sy Format type Ta Sy Possible prefixes Ta Sy Accepted characters
.It Decimal Ta none Ta 0123456789
.It Octal Ta & Ta 01234567
.It Binary Ta % Ta 01
.It Hexadecimal Ta Li $ , 0x , 0X Ta 0123456789ABCDEF
.It Octal Ta Li & , 0o , 0O Ta 01234567
.It Binary Ta Li % , 0b , 0B Ta 01
.It Fixed-point Ta none Ta 01234.56789
.It Precise fixed-point Ta none Ta 12.34q8
.It Character constant Ta none Ta \(dqABYZ\(dq
.It Game Boy graphics Ta \` Ta 0123
.It Game Boy graphics Ta Li \` Ta 0123
.El
.Pp
Underscores are also accepted in numbers, except at the beginning of one.