From e12820746e064f366f8d10488941fdaee0f40e12 Mon Sep 17 00:00:00 2001
From: Ian C <ianc@noddybox.co.uk>
Date: Thu, 11 Apr 2024 21:34:12 +0100
Subject: Turns out you do need the BASIC stub in a PRG.  Updated docs and
 headers.

---
 doc/casm.html | 23 ++++++++++++++++-------
 1 file changed, 16 insertions(+), 7 deletions(-)

(limited to 'doc')

diff --git a/doc/casm.html b/doc/casm.html
index 89a2fe0..aba9611 100644
--- a/doc/casm.html
+++ b/doc/casm.html
@@ -134,7 +134,7 @@ h2
 <div class="legalise">
 <p><b>casm</b> is a simple, portable multi-pass assembler</p>
 
-<p>Copyright (C) 2003-2015  Ian Cowburn</p>
+<p>Copyright (C) 2003-2024  Ian Cowburn</p>
 
 <p>This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
@@ -1027,7 +1027,7 @@ An Amstrad CPC CDT file.
 <a href="#prgout">prg</a>
 </td>
 <td class="def">
-A Commodore 64 PRG file.
+A Commodore 64 or VIC-20 PRG file.
 </td></tr>
 
 <tr><td class="cmd">
@@ -1554,7 +1554,7 @@ code.
 </table>
 
 
-<h3 id="prgout">C64 PRG Output Format</h3>
+<h3 id="prgout">C64/VIC-20 PRG Output Format</h3>
 <p>
 Generates a PRG file for an emulator or real hardware.
 </p>
@@ -1567,18 +1567,18 @@ have been used, in which case then each entry in the tape file will use the
 
 <p>All banks will have a small BASIC program inserted as part of
 the generated file.  For this reason the bank should start near the BASIC
-area (0x820 should be a safe place to start) unless you have a great
+area (0x820 should be a safe place to start for the C64) unless you have a great
 desire for a PRG full of zero bytes. This BASIC will simply hold a SYS command
 to start the machine code, e.g.
 </p>
 
 <pre class="codeblock">
-10 SYS 2080
+10 SYS2080
 </pre>
 
-<h4>C64 PRG Output Format options</h4>
+<h4>C64/VIC-20 PRG Output Format options</h4>
 
-<p>The C64 PRG output driver supports the following settings that can be
+<p>The PRG output driver supports the following settings that can be
 set via an <b>option</b> command.
 </p>
 
@@ -1595,6 +1595,15 @@ The start address for the generated BASIC loader.  If left undefined defaults
 to the start of written memory in the bank.
 </td></tr>
 
+<tr><td class="cmd">
+option prg-system, &lt;c64|vic20|vic20+8k&gt;
+</td>
+<td class="def">
+The system to generate the PRG file for, either a Commodore 64 (<b>c64</b>),
+VIC-20 either unexpanded or with 3K expansion (<b>vic20</b>) or a VIC-20 with
+an 8K or 16K expansion (<b>vic20+8k</b>).
+</td></tr>
+
 </table>
 
 
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