Fixed several typos, changed example code

git-svn-id: svn://svn.cc65.org/cc65/trunk@1074 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
cuz 2001-10-24 21:45:54 +00:00
parent 8b2d4bab8a
commit be1abb7ec2

View file

@ -651,7 +651,7 @@ Here's a list of all control commands and a description, what they do:
See: <tt><ref id=".FARADDR" name=".FARADDR"></tt>, <tt><ref id=".WORD"
name=".WORD"></tt>
<sect1><tt>.ALIGN</tt><label id=".ALIGN"><p>
@ -826,7 +826,7 @@ Here's a list of all control commands and a description, what they do:
Example:
<tscreen><verb>
.include .concat ("myheader", ".", "inc)
.include .concat ("myheader", ".", "inc")
</verb></tscreen>
This is the same as the command
@ -1664,7 +1664,7 @@ Here's a list of all control commands and a description, what they do:
(the macro name) and optionally by a comma separated list of identifiers
that are macro parameters.
See section <ref id="macros" name="Macros">).
See section <ref id="macros" name="Macros">.
<sect1><tt>.MATCH</tt><label id=".MATCH"><p>
@ -1711,7 +1711,7 @@ Here's a list of all control commands and a description, what they do:
.endif
cmp #$80 ; Bit 7 into carry
lsr a ; Shit carry into bit 7
lsr a ; Shift carry into bit 7
.endmacro
</verb></tscreen>
@ -2402,30 +2402,27 @@ Now, with recursive macros, <tt><ref id=".IFBLANK" name=".IFBLANK"></tt> and
Have a look at the inc16 macro above. Here is it again:
<tscreen><verb>
.macro inc16 addr
clc
lda addr
adc #$01
sta addr
lda addr+1
adc #$00
sta addr+1
.endmacro
.macro inc16 addr
clc
lda addr
adc #$01
sta addr
lda addr+1
adc #$00
sta addr+1
.endmacro
</verb></tscreen>
If you have a closer look at the code, you will notice, that it could be
written more efficiently, like this:
<tscreen><verb>
.macro inc16 addr
clc
lda addr
adc #$01
sta addr
bcc Skip
inc addr+1
Skip:
.endmacro
.macro inc16 addr
inc addr
bne Skip
inc addr+1
Skip:
.endmacro
</verb></tscreen>
But imagine what happens, if you use this macro twice? Since the label
@ -2437,12 +2434,9 @@ macro:
<tscreen><verb>
.macro inc16 addr
.proc
clc
lda addr
adc #$01
sta addr
bcc Skip
inc addr+1
inc addr
bne Skip
inc addr+1
Skip:
.endproc
.endmacro
@ -2474,7 +2468,7 @@ also solve the problem above by using <tt/.LOCAL/:
Starting with version 2.5 of the assembler, there is a second macro type
available: C style macros using the <tt/.DEFINE/ directive. These macros are
similar to the classic macro type speified above, but behaviour is sometimes
similar to the classic macro type described above, but behaviour is sometimes
different:
<itemize>
@ -2735,7 +2729,7 @@ hear from you. Feel free to contact me by email
<sect>Copyright<p>
ca65 (and all cc65 binutils) are (C) Copyright 1998-2000 Ullrich von
ca65 (and all cc65 binutils) are (C) Copyright 1998-2001 Ullrich von
Bassewitz. For usage of the binaries and/or sources the following
conditions do apply: