gbdev/rgbds
1
0
Fork 0
mirror of https://github.com/gbdev/rgbds.git synced 2025-11-20 10:12:06 +00:00
Code Issues Packages Projects Releases Wiki Activity

Implement 'character' literals (#1747)

Browse Source
This commit is contained in:
Rangi
2025-07-15 13:08:50 -04:00
committed by GitHub
parent b6d77fbb9e
commit 1fecf80659
8 changed files with 124 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
man/rgbasm.5
View File

@@ -280,7 +280,7 @@ There are a number of numeric formats.
.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 Character constant Ta none Ta 'ABYZ'
.It Game Boy graphics Ta Li \` Ta 0123
.El
.Pp
@@ -293,11 +293,14 @@ or
The "character constant" form yields the value the character maps to in the current charmap.
For example, by default
.Pq refer to Xr ascii 7
.Sq \(dqA\(dq
.Sq 'A'
yields 65.
A character constant must represent a single value, so it cannot include multiple characters, or characters which map to multiple values.
See
.Sx Character maps
for information on charmaps.
for information on charmaps, and
.Sx String expressions
for information on escape characters allowed in character constants.
.Pp
The last one, Game Boy graphics, is quite interesting and useful.
After the backtick, 8 digits between 0 and 3 are expected, corresponding to pixel values.
@@ -538,7 +541,8 @@ There are a number of escape sequences you can use within a string:
.Bl -column -offset indent "Sequence"
.It Sy Sequence Ta Sy Meaning
.It Ql \e\e Ta Backslash Pq escapes the escape character itself
.It Ql \e" Ta Double quote Pq does not terminate the string
.It Ql \e" Ta Double quote Pq does not terminate a string
.It Ql \e' Ta Single quote Pq does not terminate a character literal
.It Ql \e{ Ta Open curly brace Pq does not start interpolation
.It Ql \e} Ta Close curly brace Pq does not end interpolation
.It Ql \en Ta Newline Pq ASCII $0A