From 4c462879286bb8cf1deb46f7868324ee43b505c0 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Stephan=20M=C3=BChlstrasser?= <stephan.muehlstrasser@web.de>
Date: Sun, 9 Nov 2014 00:58:32 +0100
Subject: [PATCH] Begin to implement C1P conio features.

---
 include/c1p.h      | 41 +++++++++++++++++++++++++++++++++++++++++
 include/conio.h    |  2 ++
 libsrc/c1p/cgetc.s | 11 +++++++++++
 3 files changed, 54 insertions(+)
 create mode 100644 include/c1p.h
 create mode 100644 libsrc/c1p/cgetc.s

diff --git a/include/c1p.h b/include/c1p.h
new file mode 100644
index 000000000..cea31b0f3
--- /dev/null
+++ b/include/c1p.h
@@ -0,0 +1,41 @@
+/*****************************************************************************/
+/*                                                                           */
+/*                                   c1p.h                                   */
+/*                                                                           */
+/*                Challenger 1P system specific definitions                  */
+/*                                                                           */
+/*                                                                           */
+/*                                                                           */
+/* (C) 2014 Stephan Muehlstrasser                                            */
+/*                                                                           */
+/*                                                                           */
+/* This software is provided 'as-is', without any expressed or implied       */
+/* warranty.  In no event will the authors be held liable for any damages    */
+/* arising from the use of this software.                                    */
+/*                                                                           */
+/* Permission is granted to anyone to use this software for any purpose,     */
+/* including commercial applications, and to alter it and redistribute it    */
+/* freely, subject to the following restrictions:                            */
+/*                                                                           */
+/* 1. The origin of this software must not be misrepresented; you must not   */
+/*    claim that you wrote the original software. If you use this software   */
+/*    in a product, an acknowledgment in the product documentation would be  */
+/*    appreciated but is not required.                                       */
+/* 2. Altered source versions must be plainly marked as such, and must not   */
+/*    be misrepresented as being the original software.                      */
+/* 3. This notice may not be removed or altered from any source              */
+/*    distribution.                                                          */
+/*                                                                           */
+/*****************************************************************************/
+
+#ifndef _C1P_H
+#define _C1P_H
+
+/* Check for errors */
+#if !defined(__OSIC1P__)
+#  error "This module may only be used when compiling for the Challenger 1P!"
+#endif
+
+/* empty for now */
+
+#endif
diff --git a/include/conio.h b/include/conio.h
index 54667a3ca..f59375a63 100644
--- a/include/conio.h
+++ b/include/conio.h
@@ -77,6 +77,8 @@
 #  include <lynx.h>
 #elif defined(__NES__)
 #  include <nes.h>
+#elif defined(__OSIC1P__)
+#  include <c1p.h>
 #endif
 
 
diff --git a/libsrc/c1p/cgetc.s b/libsrc/c1p/cgetc.s
new file mode 100644
index 000000000..483c2f2c1
--- /dev/null
+++ b/libsrc/c1p/cgetc.s
@@ -0,0 +1,11 @@
+;
+; char cgetc (void);
+;
+
+        .export         _cgetc
+        .include        "c1p.inc"
+
+; Use INPUT routine from 65V PROM MONITOR
+_cgetc:
+        jsr $FEED
+        rts
-- 
2.39.5