Change *.c and *.h end-of-line character to LF
change eol char to LF using dos2unix
This commit is contained in:
retro-wertz
354
src/boards/178.c
354
src/boards/178.c
@@ -1,177 +1,177 @@
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/* FCE Ultra - NES/Famicom Emulator
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*
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* Copyright notice for this file:
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* Copyright (C) 2013 CaH4e3
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*
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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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*
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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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*
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* DSOUNDV1/FL-TR8MA boards (32K WRAM, 8/16M), 178 mapper boards (8K WRAM, 4/8M)
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* Various Education Cartridges
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*
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*/
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#include "mapinc.h"
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static uint8 reg[4];
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static uint8 *WRAM = NULL;
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static uint32 WRAMSIZE;
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/* SND Registers */
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static uint8 pcm_enable = 0;
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static int16 pcm_latch = 0x3F6, pcm_clock = 0x3F6;
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static writefunc pcmwrite;
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static SFORMAT StateRegs[] =
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{
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{ reg, 4, "REGS" },
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{ 0 }
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};
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static int16 step_size[49] = {
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16, 17, 19, 21, 23, 25, 28, 31, 34, 37,
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41, 45, 50, 55, 60, 66, 73, 80, 88, 97,
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107, 118, 130, 143, 157, 173, 190, 209, 230, 253,
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279, 307, 337, 371, 408, 449, 494, 544, 598, 658,
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724, 796, 876, 963, 1060, 1166, 1282, 1411, 1552
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}; /* 49 items */
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static int32 step_adj[16] = { -1, -1, -1, -1, 2, 5, 7, 9, -1, -1, -1, -1, 2, 5, 7, 9 };
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/* decode stuff */
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static int32 jedi_table[16 * 49];
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static int32 acc = 0; /* ADPCM accumulator, initial condition must be 0 */
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static int32 decstep = 0; /* ADPCM decoding step, initial condition must be 0 */
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static void jedi_table_init() {
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int step, nib;
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for (step = 0; step < 49; step++) {
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for (nib = 0; nib < 16; nib++) {
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int value = (2 * (nib & 0x07) + 1) * step_size[step] / 8;
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jedi_table[step * 16 + nib] = ((nib & 0x08) != 0) ? -value : value;
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}
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}
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}
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static uint8 decode(uint8 code) {
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acc += jedi_table[decstep + code];
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if ((acc & ~0x7ff) != 0) /* acc is > 2047 */
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acc |= ~0xfff;
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else acc &= 0xfff;
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decstep += step_adj[code & 7] * 16;
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if (decstep < 0) decstep = 0;
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if (decstep > 48 * 16) decstep = 48 * 16;
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return (acc >> 8) & 0xff;
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}
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static void Sync(void) {
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uint32 sbank = reg[1] & 0x7;
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uint32 bbank = reg[2];
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setchr8(0);
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setprg8r(0x10, 0x6000, reg[3] & 3);
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if (reg[0] & 2) { /* UNROM mode */
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setprg16(0x8000, (bbank << 3) | sbank);
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if (reg[0] & 4)
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setprg16(0xC000, (bbank << 3) | 6 | (reg[1] & 1));
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else
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setprg16(0xC000, (bbank << 3) | 7);
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} else { /* NROM mode */
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uint32 bank = (bbank << 3) | sbank;
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if (reg[0] & 4) {
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setprg16(0x8000, bank);
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setprg16(0xC000, bank);
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} else
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setprg32(0x8000, bank >> 1);
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}
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setmirror((reg[0] & 1) ^ 1);
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}
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static DECLFW(M178Write) {
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reg[A & 3] = V;
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/* FCEU_printf("cmd %04x:%02x\n", A, V); */
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Sync();
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}
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static DECLFW(M178WriteSnd) {
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if (A == 0x5800) {
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if (V & 0xF0) {
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pcm_enable = 1;
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/* pcmwrite(0x4011, (V & 0xF) << 3); */
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pcmwrite(0x4011, decode(V & 0xf));
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} else
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pcm_enable = 0;
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} else
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FCEU_printf("misc %04x:%02x\n", A, V);
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}
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static DECLFR(M178ReadSnd) {
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if (A == 0x5800)
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return (X.DB & 0xBF) | ((pcm_enable ^ 1) << 6);
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else
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return X.DB;
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}
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static void M178Power(void) {
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reg[0] = reg[1] = reg[2] = reg[3] = 0;
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Sync();
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pcmwrite = GetWriteHandler(0x4011);
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SetWriteHandler(0x4800, 0x4fff, M178Write);
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SetWriteHandler(0x5800, 0x5fff, M178WriteSnd);
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SetReadHandler(0x5800, 0x5fff, M178ReadSnd);
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SetReadHandler(0x6000, 0x7fff, CartBR);
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SetWriteHandler(0x6000, 0x7fff, CartBW);
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SetReadHandler(0x8000, 0xffff, CartBR);
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FCEU_CheatAddRAM(WRAMSIZE >> 10, 0x6000, WRAM);
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}
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static void M178SndClk(int a) {
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if (pcm_enable) {
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pcm_latch -= a;
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if (pcm_latch <= 0) {
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pcm_latch += pcm_clock;
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pcm_enable = 0;
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}
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}
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}
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static void M178Close(void) {
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if (WRAM)
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FCEU_gfree(WRAM);
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WRAM = NULL;
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}
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static void StateRestore(int version) {
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Sync();
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}
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void Mapper178_Init(CartInfo *info) {
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info->Power = M178Power;
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info->Close = M178Close;
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GameStateRestore = StateRestore;
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MapIRQHook = M178SndClk;
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jedi_table_init();
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WRAMSIZE = 32768;
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WRAM = (uint8*)FCEU_gmalloc(WRAMSIZE);
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SetupCartPRGMapping(0x10, WRAM, WRAMSIZE, 1);
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if (info->battery) {
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info->SaveGame[0] = WRAM;
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info->SaveGameLen[0] = WRAMSIZE;
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}
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AddExState(WRAM, WRAMSIZE, 0, "WRAM");
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AddExState(&StateRegs, ~0, 0, 0);
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}
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/* FCE Ultra - NES/Famicom Emulator
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*
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* Copyright notice for this file:
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* Copyright (C) 2013 CaH4e3
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*
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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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*
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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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*
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* DSOUNDV1/FL-TR8MA boards (32K WRAM, 8/16M), 178 mapper boards (8K WRAM, 4/8M)
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* Various Education Cartridges
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*
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*/
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#include "mapinc.h"
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static uint8 reg[4];
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static uint8 *WRAM = NULL;
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static uint32 WRAMSIZE;
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/* SND Registers */
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static uint8 pcm_enable = 0;
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static int16 pcm_latch = 0x3F6, pcm_clock = 0x3F6;
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static writefunc pcmwrite;
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static SFORMAT StateRegs[] =
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{
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{ reg, 4, "REGS" },
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{ 0 }
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};
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static int16 step_size[49] = {
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16, 17, 19, 21, 23, 25, 28, 31, 34, 37,
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41, 45, 50, 55, 60, 66, 73, 80, 88, 97,
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107, 118, 130, 143, 157, 173, 190, 209, 230, 253,
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279, 307, 337, 371, 408, 449, 494, 544, 598, 658,
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724, 796, 876, 963, 1060, 1166, 1282, 1411, 1552
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}; /* 49 items */
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static int32 step_adj[16] = { -1, -1, -1, -1, 2, 5, 7, 9, -1, -1, -1, -1, 2, 5, 7, 9 };
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/* decode stuff */
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static int32 jedi_table[16 * 49];
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static int32 acc = 0; /* ADPCM accumulator, initial condition must be 0 */
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static int32 decstep = 0; /* ADPCM decoding step, initial condition must be 0 */
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static void jedi_table_init() {
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int step, nib;
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for (step = 0; step < 49; step++) {
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for (nib = 0; nib < 16; nib++) {
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int value = (2 * (nib & 0x07) + 1) * step_size[step] / 8;
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jedi_table[step * 16 + nib] = ((nib & 0x08) != 0) ? -value : value;
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}
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}
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}
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static uint8 decode(uint8 code) {
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acc += jedi_table[decstep + code];
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if ((acc & ~0x7ff) != 0) /* acc is > 2047 */
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acc |= ~0xfff;
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else acc &= 0xfff;
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decstep += step_adj[code & 7] * 16;
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if (decstep < 0) decstep = 0;
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if (decstep > 48 * 16) decstep = 48 * 16;
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return (acc >> 8) & 0xff;
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}
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static void Sync(void) {
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uint32 sbank = reg[1] & 0x7;
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uint32 bbank = reg[2];
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setchr8(0);
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setprg8r(0x10, 0x6000, reg[3] & 3);
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if (reg[0] & 2) { /* UNROM mode */
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setprg16(0x8000, (bbank << 3) | sbank);
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if (reg[0] & 4)
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setprg16(0xC000, (bbank << 3) | 6 | (reg[1] & 1));
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else
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setprg16(0xC000, (bbank << 3) | 7);
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} else { /* NROM mode */
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uint32 bank = (bbank << 3) | sbank;
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if (reg[0] & 4) {
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setprg16(0x8000, bank);
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setprg16(0xC000, bank);
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} else
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setprg32(0x8000, bank >> 1);
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}
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setmirror((reg[0] & 1) ^ 1);
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}
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static DECLFW(M178Write) {
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reg[A & 3] = V;
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/* FCEU_printf("cmd %04x:%02x\n", A, V); */
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Sync();
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}
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static DECLFW(M178WriteSnd) {
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if (A == 0x5800) {
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if (V & 0xF0) {
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pcm_enable = 1;
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/* pcmwrite(0x4011, (V & 0xF) << 3); */
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pcmwrite(0x4011, decode(V & 0xf));
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} else
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pcm_enable = 0;
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} else
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FCEU_printf("misc %04x:%02x\n", A, V);
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}
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static DECLFR(M178ReadSnd) {
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if (A == 0x5800)
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return (X.DB & 0xBF) | ((pcm_enable ^ 1) << 6);
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else
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return X.DB;
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}
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static void M178Power(void) {
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reg[0] = reg[1] = reg[2] = reg[3] = 0;
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Sync();
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pcmwrite = GetWriteHandler(0x4011);
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SetWriteHandler(0x4800, 0x4fff, M178Write);
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SetWriteHandler(0x5800, 0x5fff, M178WriteSnd);
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SetReadHandler(0x5800, 0x5fff, M178ReadSnd);
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SetReadHandler(0x6000, 0x7fff, CartBR);
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SetWriteHandler(0x6000, 0x7fff, CartBW);
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SetReadHandler(0x8000, 0xffff, CartBR);
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FCEU_CheatAddRAM(WRAMSIZE >> 10, 0x6000, WRAM);
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}
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static void M178SndClk(int a) {
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if (pcm_enable) {
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pcm_latch -= a;
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if (pcm_latch <= 0) {
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pcm_latch += pcm_clock;
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pcm_enable = 0;
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}
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}
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}
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static void M178Close(void) {
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if (WRAM)
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FCEU_gfree(WRAM);
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WRAM = NULL;
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}
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static void StateRestore(int version) {
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Sync();
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}
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void Mapper178_Init(CartInfo *info) {
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info->Power = M178Power;
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info->Close = M178Close;
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GameStateRestore = StateRestore;
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MapIRQHook = M178SndClk;
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jedi_table_init();
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WRAMSIZE = 32768;
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WRAM = (uint8*)FCEU_gmalloc(WRAMSIZE);
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SetupCartPRGMapping(0x10, WRAM, WRAMSIZE, 1);
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if (info->battery) {
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info->SaveGame[0] = WRAM;
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info->SaveGameLen[0] = WRAMSIZE;
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}
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AddExState(WRAM, WRAMSIZE, 0, "WRAM");
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AddExState(&StateRegs, ~0, 0, 0);
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}
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