Merge pull request #628 from ops/VIAFIX_PET

[cc65] / doc / c128.sgml

diff --git a/doc/c128.sgml b/doc/c128.sgml
index 460621be0a63e2ca5e8ce9015a2a691437fab3f8..9af66d62bc529b49153f1cafbe5516db347558d8 100644 (file)
--- a/doc/c128.sgml
+++ b/doc/c128.sgml
@@ -85,8 +85,18 @@ url="funcref.html" name="function reference"> for declaration and usage.
 <itemize>
 <item>videomode
 <item>c64mode
-<item>fast
-<item>slow
+</itemize>
+
+
+<sect1>C128-specific accelerator functions<p>
+
+The functions listed below are accelerator functions for the C128. See the <url
+url="funcref.html" name="function reference"> for declaration and usage.
+
+<itemize>
+<item>detect_scpu
+<item>scpu_get_speed
+<item>scpu_set_speed
 </itemize>
 
 
@@ -122,6 +132,19 @@ declaration and usage.
 </itemize>
 
 
+<sect1>CBM specific CPU functions<p>
+
+Some CPU related functions are available for some of the Commodore
+machines. See the <url url="funcref.html" name="function reference"> for
+declaration and usage.
+
+<itemize>
+<item>fast
+<item>slow
+<item>isfast
+</itemize>
+
+
 <sect1>Hardware access<p>
 
 The following pseudo variables declared in the <tt/c128.h/ header file do
@@ -221,10 +244,8 @@ missing on VDC, and are translated to the two colors missing from the VIC palett
   Will test the hardware for the available RAM.
 
   <tag><tt/c128-reu.emd (c128_reu_emd)/</tag>
-  A driver for the CBM REUs. The driver will determine from the connected REU
-  if it supports 128KB of RAM or more. In the latter case, 256KB are assumed,
-  but since there are no range checks, the application can use more memory if
-  it has better knowledge about the hardware than the driver.
+  A driver for the CBM REUs. The driver will test the connected REU to find
+  out how much RAM is present.
 
   <tag><tt/c128-vdc.emd (c128_vdc_emd)/</tag>
   A driver for the VDC memory of the C128, written and contributed by Maciej