napple1/src/pia6820.h
2023-06-07 15:17:25 +09:00

34 lines
1.2 KiB
C

/* napple1 ncurses Apple 1 emulator
* Copyright (C) 2008 Nobu Hatano
*
* Pom1 Apple 1 Emulator
* Copyright (C) 2000 Verhille Arnaud
* Copyright (C) 2006 John D. Corrado
*
* 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 the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
void resetPia6820(void);
void setKdbInterrups(int b);
int getKbdInterrups(void);
int getDspOutput(void);
void writeDspCr(unsigned char dspCr);
void writeDsp(unsigned char dsp);
void writeKbdCr(unsigned char kbdCr);
void writeKbd(unsigned char kbd);
unsigned char readDspCr(void);
unsigned char readDsp(void);
unsigned char readKbdCr(void);
unsigned char readKbd(void);