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- /*
- ffe.h - General Front Far East copier routines for uCON64
- Copyright (c) 2002 - 2005 dbjh
- 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., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
- #ifndef FFE_H
- #define FFE_H
- #ifdef HAVE_CONFIG_H
- #include "config.h"
- #endif
- /*
- 0 - Low byte of 8 kB page count
- SMD: 16 kB page count
- 1 - High byte of 8 kB page count
- SMD: File ID code 0 (3 for Genesis/Mega Drive games, 1 for
- SMS/Game Gear games, not: high byte of 16 kB page count)
- Magic Griffin: Emulation mode select, first byte?
- 2 - Emulation mode select (SWC/SMC/Magic Griffin, second byte?)
- Bit 7 6 5 4 3 2 1 0
- x : 1 = Run in mode 0 (JMP $8000) (higher precedence than bit 1)
- x : 0 = Last file of the ROM dump (multi-file)
- : 1 = Multi-file (there is another file to follow)
- x : SWC & SMC:
- 0 = SRAM mapping mode 1 (LoROM)
- 1 = mode 2 (HiROM)
- x : SWC & SMC:
- 0 = DRAM mapping mode 20 (LoROM)
- 1 = mode 21 (HiROM)
- x x : SWC & SMC (SRAM size):
- 00 = 256 kb, 01 = 64 kb, 10 = 16 kb, 11 = no SRAM
- x : SWC & SMC:
- 0 = Run in mode 3
- 1 = Run in mode 2 (JMP RESET)
- x : 0 = Disable, 1 = Enable external cartridge memory
- image at bank 20-5F,A0-DF in system mode 2/3)
- 3-7 - 0, reserved
- 8 - File ID code 1 (0xaa)
- 9 - File ID code 2 (0xbb)
- 10 - File type; check this byte only if ID 1 & 2 match
- 1 : Super Magic Card saver data
- 2 : Magic Griffin program (PC-Engine)
- 3 : Magic Griffin SRAM data
- 4 : SNES program
- 5 : SWC & SMC password, SRAM data
- 6 : Mega Drive program
- 7 : SMD SRAM data
- 8 : SWC & SMC saver (RTS) data
- 11-511 - 0, reserved
- */
- #ifdef USE_PARALLEL
- extern void ffe_init_io (unsigned short port);
- extern void ffe_deinit_io (void);
- extern void ffe_send_block (unsigned short address, unsigned char *buffer,
- unsigned short len);
- extern void ffe_send_block2 (unsigned short address, unsigned char *buffer,
- unsigned short len);
- extern void ffe_send_command0 (unsigned short address, unsigned char byte);
- extern unsigned char ffe_send_command1 (unsigned short address);
- extern void ffe_send_command (unsigned char command_code, unsigned short a,
- unsigned short l);
- extern void ffe_receive_block (unsigned short address, unsigned char *buffer,
- unsigned short len);
- extern void ffe_receive_block2 (unsigned short address, unsigned char *buffer,
- unsigned short len);
- extern unsigned char ffe_receiveb (void);
- extern void ffe_wait_for_ready (void);
- extern void ffe_checkabort (int status);
- #endif
- #endif
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