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Begin to implement C1P conio features.

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This commit is contained in:
Stephan Mühlstrasser 2014-11-09 00:58:32 +01:00
parent 5d7a24241c
commit 4c46287928
3 changed files with 54 additions and 0 deletions
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41
include/c1p.h Normal file
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@ -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

2
include/conio.h
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@ -77,6 +77,8 @@
# include <lynx.h>
#elif defined(__NES__)
# include <nes.h>
#elif defined(__OSIC1P__)
# include <c1p.h>
#endif

11
libsrc/c1p/cgetc.s Normal file
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;
; char cgetc (void);
;
.export _cgetc
.include "c1p.inc"
; Use INPUT routine from 65V PROM MONITOR
_cgetc:
jsr $FEED
rts