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Small changes to coding style and to ca65 documentation for .ADDRSIZE

This commit is contained in:
JT 2015-04-21 16:09:01 -04:00
parent 2d3cf98bc8
commit ffa52863b3
2 changed files with 20 additions and 16 deletions
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30
doc/ca65.sgml
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@ -1278,26 +1278,28 @@ writable.
Pseudo functions expect their arguments in parenthesis, and they have a result,
either a string or an expression.
<sect1><tt>.ADDRSIZE</tt><label id=".ADDRSIZE"><p>
The <tt/.ADDRSIZE/ function is used to return the interal address size
associated with a symbol. This can be helpful in macros when knowing the address
size of symbol can allow for custom instructions.
size of symbol can help with custom instructions.
Example:
<tscreen><verb>
.macro myLDA foo
.if .ADDRSIZE(foo) = 1
;do custom command based on zeropage addressing:
.byte .A5h, foo
.elseif .ADDRSIZE(foo) = 2
;do custom command based on absolute addressing:
.byte .ADh, foo
.elseif .ADDRSIZE(foo) = 0
; no address size define for this symbol:
.out .sprinft("Error, address size unknown for symbol %s", .string(foo))
.endif
.if .ADDRSIZE(foo) = 1
;do custom command based on zeropage addressing:
.byte 0A5h, foo
.elseif .ADDRSIZE(foo) = 2
;do custom command based on absolute addressing:
.byte 0ADh
.word foo
.elseif .ADDRSIZE(foo) = 0
; no address size define for this symbol:
.out .sprintf("Error, address size unknown for symbol %s", .string(foo))
.endif
.endmacro
</verb></tscreen>
@ -1306,7 +1308,6 @@ either a string or an expression.
See: <tt><ref id=".FEATURE" name=".FEATURE"></tt>
<sect1><tt>.BANK</tt><label id=".BANK"><p>
The <tt/.BANK/ function is used to support systems with banked memory. The
@ -2682,6 +2683,11 @@ Here's a list of all control commands and a description, what they do:
overridden. When using this feature, you may also get into trouble if
later versions of the assembler define new keywords starting with a dot.
<tag><tt>loose_char_term</tt><label id="loose_char_term"></tag>
Accept single quotes as well as double quotes as terminators for char
constants.
<tag><tt>loose_string_term</tt><label id="loose_string_term"></tag>
Accept single quotes as well as double quotes as terminators for string

6
src/ca65/expr.c
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@ -688,15 +688,13 @@ static ExprNode* FuncAddrSize (void)
if (Sym) {
AddrSize = Sym->AddrSize;
} else {
Error ("Unknown symbol or scope: `%m%p%m%p'",
&ScopeName, &Name);
Error ("Unknown symbol or scope: `%m%p%m%p'", &ScopeName, &Name);
}
}
if (AddrSize == 0) {
Warning(1, "Unknown address size: `%m%p%m%p'",
&ScopeName, &Name);
Warning (1, "Unknown address size: `%m%p%m%p'", &ScopeName, &Name);
}
/* Free the string buffers */