added optimization for indexed 16-bit array load of form (array[i & 0x7f])

[cc65] / doc / funcref.sgml

diff --git a/doc/funcref.sgml b/doc/funcref.sgml
index 0d294d8868fe470c7af7cd222432179a65cad71a..89a8eb13c8b6635cdd66a64aea94a18c01c33849 100644 (file)
--- a/doc/funcref.sgml
+++ b/doc/funcref.sgml
@@ -243,16 +243,19 @@ function.
 <sect1><tt/cc65.h/<label id="cc65.h"><p>
 
 <itemize>
-<!-- <item><ref id="cc65_cos" name="cc65_cos"> -->
-<!-- <item><ref id="cc65_idiv32by16r16" name="cc65_idiv32by16r16"> -->
-<!-- <item><ref id="cc65_imul16x16r32" name="cc65_imul16x16r32"> -->
-<!-- <item><ref id="cc65_imul8x8r16" name="cc65_imul8x8r16"> -->
-<!-- <item><ref id="cc65_sin" name="cc65_sin"> -->
-<!-- <item><ref id="cc65_udiv32by16r16" name="cc65_udiv32by16r16"> -->
-<!-- <item><ref id="cc65_umul16x16r32" name="cc65_umul16x16r32"> -->
-<!-- <item><ref id="cc65_umul16x8r32" name="cc65_umul16x8r32"> -->
-<!-- <item><ref id="cc65_umul8x8r16" name="cc65_umul8x8r16"> -->
+
+<!-- <item><ref id="cos" name="cos"> -->
+<!-- <item><ref id="idiv32by16r16" name="idiv32by16r16"> -->
+<!-- <item><ref id="imul16x16r32" name="imul16x16r32"> -->
+<!-- <item><ref id="imul8x8r16" name="imul8x8r16"> -->
+<!-- <item><ref id="sin" name="sin"> -->
+<!-- <item><ref id="udiv32by16r16" name="udiv32by16r16"> -->
+<!-- <item><ref id="umul16x16r32" name="umul16x16r32"> -->
+<!-- <item><ref id="umul16x8r32" name="umul16x8r32"> -->
+<!-- <item><ref id="umul8x8r16" name="umul8x8r16"> -->
 <item><ref id="doesclrscrafterexit" name="doesclrscrafterexit">
+<item><ref id="mul20" name="mul20">
+<item><ref id="mul40" name="mul40">
 </itemize>
 
 (incomplete)
@@ -578,7 +581,6 @@ communication, see also <tt>testcode/lib/ser-test.c</tt>.
 <item><ref id="signal" name="signal">
 </itemize>
 
-
 <sect1><tt/stdarg.h/<label id="stdarg.h"><p>
 
 (incomplete)
@@ -1020,7 +1022,6 @@ It returns 1 if it does.
 </descrip>
 </quote>
 
-
 <sect1>_poserror<label id="_poserror"><p>
 
 <quote>
@@ -3386,7 +3387,7 @@ used in presence of a prototype.
 <descrip>
 <tag/Function/Load and initialize an extended memory driver.
 <tag/Header/<tt/<ref id="em.h" name="em.h">/
-<tag/Declaration/<tt/void __fastcall__ em_load_driver (const char* name);/
+<tag/Declaration/<tt/unsigned char __fastcall__ em_load_driver (const char* name);/
 <tag/Description/Load an extended memory driver into memory and initialize
 it. The function returns an error code that tells if all this has been
 successful.
@@ -5558,6 +5559,29 @@ memory allocated for the driver.
 </descrip>
 </quote>
 
+<sect1>mul20<label id="mul20"><p>
+
+<quote>
+<descrip>
+<tag/Function/Multiplies argument by 20.
+<tag/Header/<tt/<ref id="cc65.h" name="cc65.h">/
+<tag/Declaration/<tt/unsigned int __fastcall__ mul20 (unsigned char value);/
+<tag/Description/Speed optimized function to multiply an 8 bit unsigned value by 20 to get a 16 bit result.
+<tag/Availability/cc65
+</descrip>
+</quote>
+
+<sect1>mul40<label id="mul40"><p>
+
+<quote>
+<descrip>
+<tag/Function/Multiplies argument by 40.
+<tag/Header/<tt/<ref id="cc65.h" name="cc65.h">/
+<tag/Declaration/<tt/unsigned int __fastcall__ mul40 (unsigned char value);/
+<tag/Description/Speed optimized function to multiply an 8 bit unsigned value by 40 to get a 16 bit result.
+<tag/Availability/cc65
+</descrip>
+</quote>
 
 <sect1>offsetof<label id="offsetof"><p>