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Rewrite mapper 355 to actually work, using emulation of the PIC using NES 2.0 Misc. ROM data.

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This commit is contained in:
NewRisingSun
2025-04-11 19:30:14 +02:00
committed by LibretroAdmin
parent 658637a02a
commit 7b16c23f70
6 changed files with 1482 additions and 95 deletions
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57
src/boards/pic16c5x.h Normal file
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/* license:BSD-3-Clause */
/* copyright-holders:Tony La Porta */
/**************************************************************************\
* Microchip PIC16C5x_ Emulator *
* *
* Copyright Tony La Porta *
* Originally written for the MAME project. *
* *
* *
* Addressing architecture is based on the Harvard addressing scheme. *
* *
\**************************************************************************/
#ifndef _PIC16C5x_H
#define _PIC16C5x_H
#include "../../fceu-types.h"
typedef uint8 (*pic16c5x_readfunc)(int);
typedef void (*pic16c5x_writefunc)(int, int);
enum {
PIC16C5x_RTCC = 0
};
/* in the mid-90s RTCC was renamed to T0CKI */
#define PIC16C5x_T0CKI PIC16C5x_RTCC
/* i/o ports */
enum {
PIC16C5x_PORTA = 0,
PIC16C5x_PORTB,
PIC16C5x_PORTC,
PIC16C5x_PORTD
};
/****************************************************************************
* Function to configure the CONFIG register. This is actually hard-wired
* during ROM programming, so should be called in the driver INIT, with
* the value if known (available in HEX dumps of the ROM).
*/
void pic16c5x_set_input(int line, int state);
void pic16c5x_set_config(uint16 data);
void pic16c5x_reset(uint8 hard);
void pic16c5x_run(void);
void pic16c5x_add_statesinfo(void);
void pic16c54_init(uint8* rom, pic16c5x_readfunc _rd, pic16c5x_writefunc _wr);
void pic16c55_init(uint8* rom, pic16c5x_readfunc _rd, pic16c5x_writefunc _wr);
void pic16c56_init(uint8* rom, pic16c5x_readfunc _rd, pic16c5x_writefunc _wr);
void pic16c57_init(uint8* rom, pic16c5x_readfunc _rd, pic16c5x_writefunc _wr);
void pic16c58_init(uint8* rom, pic16c5x_readfunc _rd, pic16c5x_writefunc _wr);
void pic1650_init(uint8* rom, pic16c5x_readfunc _rd, pic16c5x_writefunc _wr);
void pic1655_init(uint8* rom, pic16c5x_readfunc _rd, pic16c5x_writefunc _wr);
#endif /* _PIC16C5x_H */