81 lines
3.5 KiB
C
81 lines
3.5 KiB
C
/*
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ffe.h - General Front Far East copier routines for uCON64
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Copyright (c) 2002 - 2004 dbjh
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef FFE_H
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#define FFE_H
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/*
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0 - Low byte of 8 kB page count
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SMD: 16 kB page count
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1 - High byte of 8 kB page count
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SMD: File ID code 0 (3, not: high byte of 16 kB page count)
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Magic Griffin: Emulation mode select, first byte?
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2 - Emulation mode select (SWC/SMC/Magic Griffin, second byte?)
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Bit 7 6 5 4 3 2 1 0
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x : 1 = Run in mode 0 (JMP $8000) (higher precedence than bit 1)
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x : 0 = Last file of the ROM dump (multi-file)
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: 1 = Multi-file (there is another file to follow)
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x : SWC & SMC:
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0 = SRAM mapping mode 1 (LoROM)
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1 = mode 2 (HiROM)
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x : SWC & SMC:
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0 = DRAM mapping mode 20 (LoROM)
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1 = mode 21 (HiROM)
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x x : SWC & SMC (SRAM size):
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00 = 256 kb, 01 = 64 kb, 10 = 16 kb, 11 = no SRAM
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x : SWC & SMC:
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0 = Run in mode 3
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1 = Run in mode 2 (JMP RESET)
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x : 0 = Disable, 1 = Enable external cartridge memory
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image at bank 20-5F,A0-DF in system mode 2/3)
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3-7 - 0, reserved
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8 - File ID code 1 (0xaa)
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9 - File ID code 2 (0xbb)
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10 - File type; check this byte only if ID 1 & 2 match
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1 : Super Magic Card saver data
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2 : Magic Griffin program (PC-Engine)
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3 : Magic Griffin SRAM data
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4 : SNES program
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5 : SWC & SMC password, SRAM data
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6 : Mega Drive program
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7 : SMD SRAM data
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8 : SWC & SMC saver data
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11-511 - 0, reserved
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*/
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#ifdef USE_PARALLEL
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extern void ffe_init_io (unsigned int port);
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extern void ffe_deinit_io (void);
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extern void ffe_send_block (unsigned short address, unsigned char *buffer, int len);
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extern void ffe_send_block2 (unsigned short address, unsigned char *buffer, int len);
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extern void ffe_send_command0 (unsigned short address, unsigned char byte);
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extern unsigned char ffe_send_command1 (unsigned short address);
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extern void ffe_send_command (unsigned char command_code, unsigned short a, unsigned short l);
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extern void ffe_receive_block (unsigned short address, unsigned char *buffer, int len);
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extern void ffe_receive_block2 (unsigned short address, unsigned char *buffer, int len);
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extern unsigned char ffe_receiveb (void);
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extern void ffe_wait_for_ready (void);
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extern void ffe_checkabort (int status);
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#endif // USE_PARALLEL
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#endif // FFE_H
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